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application
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Bimetal thermometerIt is an on-site detection instrument for measuring low to medium temperatures. It can directly measure the temperature of liquid, steam, and gas media within the range of -80 ℃ to+500 ℃ in various production processes.
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characteristic
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On site temperature display, intuitive and convenient;
Safe and reliable, with a long service life;
Multiple structural forms can meet different requirements.
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Working principle
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Bimetal thermometerIt is composed of bimetallic sheets wound into a circular curved shape. When one end is heated and expands, it drives the pointer to rotate, and the working instrument displays the corresponding temperature value
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Main technical parameters
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● Product execution standards
JB/T8803-1998
GB3836-83
● Scale dial nominal diameter: 60100150
Accuracy level: （1.0），1.5
● Thermal response time: ≤ 40S
● Protection level: IP55
○ Angle adjustment error
The angle adjustment error should not exceed 1.0% of its range
○ Return difference
The thermometer hysteresis should not exceed the absolute value of the basic error limit
○ Repeatability
The repeatability limit range of the thermometer should not exceed 1/2 of the absolute value of the basic error limit
○ Temperature measurement range
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Measurement range ℃
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scope of application
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Industrial and Commercial
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Laboratory, small
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-80～+40
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√
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√
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-40～+80
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√
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√
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0~50
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√
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√
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0~100
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√
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√
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0~150
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√
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√
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0~200
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√
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√
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0~300
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√
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√
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0~400
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√
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√
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0~500
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√
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√
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○ Normal working weather conditions
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workplace
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Temperature ℃
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Relative humidity%
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sheltered location
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-25～+55
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5~100
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Outdoor places
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-40～+85
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5~100
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○ Measurement end form
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○Bimetal thermometerShape and size
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form
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A
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B
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C
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E
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L
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d
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Axial type
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65
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23
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73
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-
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75
100
150
200
300
400
500
750
1000
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Φ6
Φ8
Φ10
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105
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23
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73
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-
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155
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23
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73
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-
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RADIAL
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65
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50
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110
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34
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105
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50
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110
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34
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105
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50
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110
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34
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135 ° oriented
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105
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23
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85
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-
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155
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23
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85
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-
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Universal type
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105
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23
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178
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120
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155
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23
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178
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120
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○ Fixed installation form
● Movable external threaded pipe joint
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M
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H
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SW
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d
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M16×1.5
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12
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18
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Φ6
Φ8
Φ10
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M20×1.5
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16
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22
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M27×2
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20
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30
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NPT1/4
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15
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18
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NPT1/2
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19
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22
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NPT3/4
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25
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30
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● Movable internal thread pipe joint
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M
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H
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SW
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d
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M16×1.5
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12
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18
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Φ6
Φ8
Φ10
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M20×1.5
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16
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22
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M27×2
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20
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30
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NPT1/4
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15
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18
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NPT1/2
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19
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22
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NPT3/4
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25
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30
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● Fixed threaded pipe joint
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M
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H
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SW
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d
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M16×1.5
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12
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18
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Φ6
Φ8
Φ10
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M20×1.5
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16
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22
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M27×2
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20
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30
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NPT1/4
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15
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18
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NPT1/2
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19
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22
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NPT3/4
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25
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30
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● Card sleeve threaded joint
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M
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H
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SW
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d
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M12×1.5
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15
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19
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Φ6
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M16×1.5
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15
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22
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Φ8
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M20×1.5
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16
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24
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Φ10
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● Card sleeve threaded joint
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D
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D0
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D1
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SW
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d0
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d
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Φ60
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Φ42
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Φ24
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Φ22
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Φ9
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Φ8
Φ10
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● Fixed flange
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D
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D1
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D2
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H
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d0
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d
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Φ105
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Φ75
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Φ55
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Φ16
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Φ14
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Φ8
Φ10
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pourWe can provide standard flanges such as ANSI, JB, HG, etc.
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Model naming method
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W
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Temperature instrument
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S
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Metal expansion type
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S
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Temperature sensing element bimetallic sheet
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Nominal diameter of the watch case
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3
4
5
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60
100
150
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Location features
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0
1
2
8
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Axial (straight)
Radial (angular)
135 ° direction (obtuse angle type)
Wanxiang (adjustable angle type)
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Install fixed devices
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0
1
2
3
4
5
6
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No fixed device
Movable external thread
Movable internal thread
Fixed thread
Flange
Ferrule thread
Card sleeve flange
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Protection form
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None (not labeled)
W
F
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Common
Protective type
Anticorrosive type
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W
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S
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S
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-4
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8
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1
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W
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Typical Model Example
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modelAnd specifications
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○ Axial type
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Install fixed devices
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D
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L
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WSS-330
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-80～+40
-40～+80
0~50
0~100
0~150
0~200
0~300
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1.5
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1Cr18Ni9Ti
304
316
316L
Ha Shi C-276
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Φ60
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75
100
150
200
300
400
500
750
1000
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No fixed device
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WSS-440
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Φ100
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WSS-500
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Φ150
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WSS-301
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Φ60
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Movable external thread
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WSS-401
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Φ100
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WSS-501
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Φ150
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WSS-302
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Φ60
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Movable internal thread
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WSS-402
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Φ100
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WSS-502
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Φ150
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WSS-303
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Φ60
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Fixed thread
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WSS-403
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Φ100
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WSS-503
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Φ150
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WSS-304
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Φ60
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Flange
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WSS-404
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Φ100
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WSS-504
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Φ150
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WSS-305
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Φ60
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Ferrule thread
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WSS-405
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Φ100
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WSS-505
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Φ150
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WSS-306
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Φ60
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WSS-406
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Φ100
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Card sleeve flange
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WSS-506
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Φ150
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○ Radial type
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Install fixed devices
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D
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L
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WSS-310
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-80～+40
-40～+80
0~50
0~100
0~150
0~200
0~300
0~400
0~500
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1.5
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1Cr18Ni9Ti
304
316
316L
Ha Shi C-276
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Φ60
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75
100
150
200
300
400
500
750
1000
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No fixed device
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WSS-410
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Φ100
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WSS-510
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Φ150
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WSS-311
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Φ60
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Movable external thread
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WSS-411
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Φ100
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WSS-511
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Φ150
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WSS-312
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Φ60
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Movable internal thread
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WSS-412
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Φ100
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WSS-512
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Φ150
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WSS-313
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Φ60
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Fixed thread
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WSS-413
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Φ100
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WSS-513
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Φ150
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WSS-314
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Φ60
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Flange
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WSS-414
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Φ100
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WSS-514
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Φ150
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WSS-315
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Φ60
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Ferrule thread
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WSS-415
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Φ100
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WSS-515
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Φ150
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WSS-316
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Φ60
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WSS-416
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Φ100
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Card sleeve flange
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WSS-516
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Φ150
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○ 135 ° oriented
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Install fixed devices
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D
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L
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WSS-420
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-80～+40
-40～+80
0~50
0~100
0~150
0~200
0~300
0~400
0~500
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1.5
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1Cr18Ni9Ti
304
316
316L
Ha Shi C-276
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Φ100
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75
100
150
200
300
400
500
750
1000
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No fixed device
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WSS-520
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Φ150
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WSS-421
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Φ100
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Movable external thread
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WSS-521
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Φ150
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WSS-422
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Φ100
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Movable internal thread
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WSS-522
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Φ150
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WSS-423
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Φ100
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Fixed thread
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WSS-523
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Φ150
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WSS-424
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Φ100
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Flange
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WSS-524
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Φ150
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WSS-425
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Φ100
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Ferrule thread
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WSS-525
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Φ150
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WSS-426
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Φ100
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Card sleeve flange
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WSS-526
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Φ150
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○ 135 ° oriented
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model
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Measuring range
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accuracy class
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Protective tube material
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specifications
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Install fixed devices
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D
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L
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WSS-480
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-80～+40
-40～+80
0~50
0~100
0~150
0~200
0~300
0~400
0~500
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1.5
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1Cr18Ni9Ti
304
316
316L
Ha Shi C-276
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Φ100
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75
100
150
200
300
400
500
750
1000
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No fixed device
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WSS-580
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Φ150
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WSS-481
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Φ100
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Movable external thread
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WSS-581
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Φ150
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WSS-482
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Φ100
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Movable internal thread
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WSS-582
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Φ150
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WSS-483
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Φ100
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Fixed thread
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WSS-583
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Φ150
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WSS-484
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Φ100
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Flange
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WSS-584
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Φ150
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WSS-485
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Φ100
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Ferrule thread
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WSS-585
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Φ150
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WSS-486
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Φ100
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Card sleeve flange
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WSS-586
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Φ150
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Selection Notice
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1) Model number
2) Dial diameter
3) Accuracy level
4) Installation fixed form
5) Temperature measurement range
6) Length or insertion depth
Example AUniversal type, dial diameter Φ 100, temperature measurement range 0-400 ℃, 1.5 levels, movable external thread M27 × 2, length 450mm, WSS-481, 0-400 ℃, L=450, M27 × 2, 1.5 levels.
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Installation method diagram
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Diagram of direct connection head
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○ Vertical pipeline installation method
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code
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M
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D
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D1
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D2
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D
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h
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H
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TH48A
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M16 1.5
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Φ36
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Φ48
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Φ7
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Φ7
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27
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80
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TH48B
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M20 1.5
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Φ40
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Φ18
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Φ14
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Φ7
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27
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60
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TH48C
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M27 1.5
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Φ47
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Φ28
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Φ22
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Φ17
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32
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60
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TH48D
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M33 1.5
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Φ55
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Φ36
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Φ30
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Φ21
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34
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120
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TH48E
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NPT1/2
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Φ39
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Φ27
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Φ21
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Φ16
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35
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60
120
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TH48F
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NPT3/4
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Φ47
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Φ31
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Φ25
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Φ20
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40
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TH48G
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NPT1
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Φ47
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Φ41
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Φ35
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Φ30
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45
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code
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M
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D
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D1
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D
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h
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H
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TH48A
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M16 1.5
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Φ47
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Φ18
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Φ18
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30
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90
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TH48B
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M33 1.5
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Φ55
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Φ24
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Φ24
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30
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150
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TH48C
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NPT1/2
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Φ39
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Φ16
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Φ16
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30
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90
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TH48D
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NPT3/4
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Φ47
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Φ20
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Φ20
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35
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90
150
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TH48E
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NPT1
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Φ47
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Φ30
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Φ30
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40
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code
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M
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D
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D1
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d
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H
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TH50A
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M16 1.5
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Φ26
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Φ28
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Φ18
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90
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TH50B
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M20 1.5
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Φ30
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Φ36
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Φ24
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150
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TH50C
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M27 1.5
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Φ39
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Φ27
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Φ16
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90
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TH50D
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NPT1/4
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Φ27
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Φ31
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Φ20
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90
150
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TH50E
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NPT1/2
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Φ21
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Φ41
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Φ30
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TH50F
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NPT3/4
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Φ34
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Φ41
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Φ30
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○ Vertical pipeline installation method
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○ Installation method for curved pipelines
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○ Flange installation method
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