Beijing Zhongke Xinyi Technology Co., Ltd
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Four in one gas detection
The portable gas detection and alarm four in one gas detector is a rechargeable continuous detection device for four gas concentrations, suitable for
Product details

Four in one gas detection

  • Digital module design

  • The four in one composite gas detector adopts high-speed CPU processing, automatic fault recognition, automatic alarm, and high concentration over limit automatic protection.

  • High measurement accuracy

  • Beijing Four in One Composite Gas Detector/BeijingFour in one gas detectionThe instrument sensor adopts imported gas sensitive components, which have the characteristics of high accuracy, high reliability, good gas selectivity, and strong anti-interference ability.

  • low-power

  • The Beijing four in one composite gas detector/Beijing instrument works for more than 8 hours under normal monitoring conditions.

  • lcd display

  • Using LCD display and fully Chinese menu operation.

  • Long battery life

  • Adopting high-performance rechargeable lithium batteries with charging protection and low-voltage protection functions. Ensure reliable battery usage and long lifespan.

Four in one gas detection

Technical Parameter

Display mode

LCD

Power supply mode

High performance rechargeable lithium battery

call the police

Sound and light alarm

Charging Voltage

DC8.5V±0.2%

Sound intensity

>75dB

standby time

>8h

detection

Free diffusion type (external pump, optional)

Detect gas

Combustible and toxic gases

measuring range

See attached table

Detection Principle

Catalytic combustion/electrochemical

repeatability

2%

response time

T90<60s

error

±5%FS

temperature range

-20℃~50℃

Explosion proof grade

Intrinsically safe type

Humidity range

10% RH~95% RH (no frost)

Explosion proof sign

Exd ib IIB T4 Gb

Pressure Range

86kpa~106kpa

weight

1.3kg

External dimensions

130mm×81mm×51mm

Gas Description

Gas name

range

accuracy

alarm point

Calibration Value

operation temperature

Working humidity

Working pressure

response time

Lifespan/month

Interfering gas

CH4

0-100%LEL

1%LEL

25%LEL

25%LEL

-20℃~50℃

15~90%RH

86~106kpa

≤30

36

CO

0-1000ppm

1ppm

80ppm

200ppm

-20℃~50℃

15~90%RH

86~106kpa

≤60

12

NO2、HCN、 ethylene

H2S

0-50ppm

0.1ppm

8ppm

10ppm

-40℃~50℃

15~90%RH

86~106kpa

≤60

12

SO2、CL2

O2

0-30%VOL

0.1%VOL

18%VOL

20.9%VOL

(Clean air)

-20℃~50℃

15~90%RH

86~106kpa

≤60

24

not have

CL2

0-20ppm

0.1ppm

8ppm

10ppm

-20℃~50℃

15~90%RH

86~106kpa

≤60

12

NO2

SO2

0-20ppm

0.1ppm

8ppm

10ppm

-20℃~50℃

15~90%RH

86~106kpa

≤60

12

H2S、HCN、HCL

NH3

0-1000ppm

1ppm

80ppm

100ppm

-10℃~40℃

15~90%RH

86~106kpa

≤60

12

H2S、SO2、CL2、NO

NO2

0-20ppm

0.1ppm

8ppm

10ppm

-20℃~50℃

15~90%RH

86~106kpa

≤60

12

CL2


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Successful operation!

Successful operation!

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