Hangzhou Aihua AWA6258 three-axis vibration measuring instrument-Fornitore globale

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18049952031/18017806506
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3rd Floor, Building 79, Lane 4855 Guangfulin Road, Songjiang District, Shanghai (Daye Territory)

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Hangzhou Aihua AWA6258 three-axis vibration measuring instrument

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The AWA6258 multifunctional vibration analyzer is a multi-channel handheld analyzer that uses digital signal processing technology and can simultaneously measure three-axis vibration. It has multiple frequency weights for evaluating vibrations. It can perform whole-body vibration measurement, hand transmitted vibration measurement, environmental vibration measurement, and can also perform vibration analysis1/3 OCTSpectrum analysis.

TECHNICAL INDEX

Execution standards	GB/T 23716-2009 Instruments for measuring human response to vibration (ISO 8041:2005, IDT) GB/T 3241-2010 Acoustics - Octave and Fractional Octave Filters (IEC 61260:1995, MOD)
Standards	GB/T 10071-1988 Measurement Method for Environmental Vibration in Urban Areas; GB/T 13441.1-2007 Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole Body Vibration - Part 1: General Requirements (ISO 2631-1:1997, IDT); GB/T 13441.2-2008 Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole Body Vibration - Part 2: Vibration inside Buildings (1 Hz~80 Hz) (ISO 2631-2:2003, IDT); GB/T 14790.1-2009 Mechanical Vibration - Measurement and Evaluation of Human Exposure to Hand transmitted Vibration - Part 1: General Requirements (ISO 5349-1:2001, IDT); GB/T 14790.2-2014 Mechanical Vibration - Measurement and Evaluation of Human Exposure to Hand Transmitted Vibration - Part 1: Practical Guidelines for Workplace Measurements (ISO 5349-1:2001, IDT); GB/T 50355-2005 Standard for Indoor Vibration Limits and Measurement Methods of Residential Buildings; GB/T 50452-2008 Technical Specification for Industrial Vibration Prevention of Ancient Buildings; JGJ/T 170-2009 Standard for Limits and Measurement Methods of Building Vibration and Secondary Radiation Noise Caused by Urban Rail Transit; Other relevant standards, etc;
Frequency weighting and its range (with 10-6 m/s2For reference)	VLx-y (whole body level) 70-175 VLz (whole body vertical) 80 ～ 185 Wb (z-axis, seat surface) 81-185 Wc (x-axis, seat backrest) 78-183 Wd (x, y axis, seat surface) 73-184 We (rx, ry, rz axis, seat surface) 70-168 Wj (vertical, lying down (head)) 88-185 Wk (z-axis, seat surface) 80-185 Wm (building) 70-180 Wh (arm) 70-185
Frequency range	Whole body vibration measurement	VLx-y/VLz ： 1.25 Hz～63 Hz(±1 dB) 1 Hz～80 Hz(±2 dB) Wb/Wc/Wd/We/Wj/Wk： 0.63 Hz～63 Hz(±1 dB) 0.315 Hz～125 Hz(±2 dB) 0.315Hz～250Hz(+2dB～-∞) Wm： 1.25Hz～63Hz(±1dB) 0.63Hz～125Hz(±2 dB) 0.315Hz～250Hz(+2dB～-∞)
	Hand transmitted vibration measurement	Wh ： 10 Hz～800 Hz(±1 dB) 5 Hz～1600 Hz(±2 dB) VBLe ： 12.5 Hz～630 Hz(±1 dB) 8 Hz～1000 Hz(±2 dB)
	Low frequency 1/3 OCT analysis	0.315 Hz～250 Hz(±1 dB)
	Vibration 1/3 OCT analysis	20 Hz～2000 Hz(±5%) 2.5 Hz～2000 Hz(±12%)
	Online measurement of blasting vibration	4 Hz～180 Hz(±1 dB)
Time averaged constant	1s, 8s
Time averaged method	Exponential average, linear average
Main measurement indicators	Whole body vibration measurement: Max、Min、Leq,T、 5 Ln (n can be set between 1 and 99) SD、Peak、VDV、VLxyz、VLcdd、VLddk Hand transmitted vibration measurement: Max、Min、Leq,T、Leq,4h、Leq,8h Low frequency 1/3 OCT analysis: Max、Min、Leq,T、 5 Ln (n can be set between 1 and 99), 30 center frequency points AP、SD、 5 synthetic frequency weights (wz, wx, wm, wk, wu) Vibration 1/3 OCT analysis: Max、Min、Leq,T、 30 center frequency points acc、vel、disp Online measurement of blasting vibration: peak velocity and peak frequency in three directions
sampling frequency	750 Hz or 12 kHz
Statistical sampling interval	0.1s
storage capacity	Built in 32M bit Flash RAM, capable of recording up to 1024 sets of data or 81920s of results
Output interface	DC, AC RS232、USB、 Bluetooth
Working power supply	6 LR 6 alkaline or rechargeable batteries, capable of continuous use for more than 12 hours; An external DC power supply of 4 V to 6 V can also be used
work environment	Working temperature:- 10 ℃～ 50 ℃ Storage temperature:- 20 ℃～70 ℃ Relative humidity: 25% RH to 90% RH

Function selection and application

Introduction to optional functional modules

1.Whole body vibration measurement module

1)Execution standards:GB/T 23716—2009The response of the human body to vibration Measuring instrument （ISO 8041：2005 , IDT）

2)Applicable standards:GB/T 13441—2007Mechanical vibration and impact Evaluation of Human Exposure to Whole Body Vibration

3) Frequency weighting and its range10-6 m/s2For reference):

Frequency weighting	Range (dB)	Evaluation Explanation
VLx-y	70 ～ 175	Whole body level
VLz	80 ～ 185	Whole body vertical
Wb	81 ～ 185	Z-axis, seat surface
Wc	78 ～ 183	X-axis, seat backrest
Wd	73 ～ 184	x. Y-axis, seat surface
We	70 ～ 168	Rx, ry, rz axis, seat surface
Wj	88 ～ 185	Vertical, lying down position (head)
Wk	80 ～ 185	Z-axis, seat surface
Wm	70 ～ 180	building

4) Frequency range and measurement accuracy:

Analyzer function

Frequency range and measurement accuracy

Whole body vibration

Dynamic measurement

VLx-y/VLz1.25 Hz to 63 Hz (± 1dB), 1 Hz to 80 Hz (± 2 dB)

Wb/Wc/Wd/We/Wj/Wk： 0.63 Hz~63 Hz (± 1 dB), 0.315 Hz~125 Hz (± 2 dB), 0.315 Hz~250 Hz (+2 dB~- ∞)

Wm： 1.25 Hz~63 Hz (± 1 dB), 0.63 Hz~125 Hz (± 2 dB), 0.315 Hz~250 Hz (+2 dB~- ∞)

5) Time averaging method: Index averaging for 1 second , Index average 8s Linear average of 1 second

6) Main measurement indicators: Max、Min、Leq,T、5 Ln(n can be set between 1 and 99) SD、Peak、VDV、VLxyz、VLcdd、VLddk

7) Sensor parameters:

Sensor model	sensitivity	quality	Size (mm)
AWA84410	2mv/m·s-2	250g	φ205×10

8) Sampling frequency: 750 Hz

9) Statistical sampling interval: 0.1s

2. Hand transmitted vibration measurement module

1) Execution standards: GB/T 23716—2009 The response of the human body to vibration Measuring instrument （ISO 8041：2005 , IDT）

2) Applicable standards: GB/T 14790—2009 mechanical vibration Measurement and evaluation of human exposure to hand transmitted vibrations

3) Frequency weighting and its range (in 10 units)-6m/s2For reference):

frequency weighting	Range (dB)	Evaluation Description
Wh	70 ～ 185	arm

4) Frequency range and measurement accuracy:

Analyzer function	Frequency range and measurement accuracy
Hand transmitted vibration measurement	Wh： 10 Hz to 800 Hz (± 1 dB), 5 Hz to 1600 Hz (± 2 dB) VBLe： 12.5 Hz to 630 Hz (± 1 dB), 8 Hz to 1000 Hz (± 2 dB)

5) Time averaging method: Index averaging for 1 second , Index average 8s Linear average of 1 second Linear average of 8 seconds

6) Main measurement indicators: Max、Min、Leq,T、Leq,4h、Leq,8h

7) Sensor parameters:

Sensor model	sensitivity	quality	Size (mm)
AWA84152A	2mV/m·s-2	24g	20×20×20

8) Sampling frequency: 12 kHz

3. Low frequency 1/3 OCT analysis module

1) Execution standards:

GB/T 23716—2009 The response of the human body to vibration Measuring instrument （ISO 8041：2005 , IDT）；

GB/T 3241—2010 electroacoustics Octave and fractional octave filters （IEC 61260：1995 , MOD）；

2) Applicable standards:

GB/T 10071—1988 Measurement method for environmental vibration in urban areas

GB/T 13441—2007 Mechanical vibration and impact Evaluation of Human Exposure to Whole Body Vibration

GB/T 50355-2005 Standard for Indoor Vibration Limits and Measurement Methods of Residential Buildings

JGJ/T 170-2009 Limit values and measurement methods for building vibration and secondary radiation noise caused by urban rail transit

3) Frequency weighting and its range (in 10 units)-6m/s2For reference):

Frequency weighting	Range (dB)	Evaluation Explanation
VLx-y	70 ～ 175	Whole body level
VLz	80 ～ 185	Whole body vertical
Wd	73 ～ 184	x. Y-axis, seat surface
Wk	80 ～ 185	Z-axis, seat surface
Wm	70 ～ 180	building

4) Frequency range and measurement accuracy:

Analyzer function	Frequency range and measurement accuracy
Low frequency 1/3 OCT analysis	VLx-y/VLz1.25 Hz to 63 Hz (± 1 dB), 1 Hz to 80 Hz (± 2 dB) Wd/Wk： 0.63 Hz~63 Hz (± 1 dB), 0.315 Hz~125 Hz (± 2dB), 0.315 Hz~250 Hz (+2 dB~- ∞) Wm： 1.25Hz-63Hz (± 1 dB), 0.63 Hz-125 Hz (± 2 dB), 0.315 Hz-250 Hz (+2 dB~- ∞) Low frequency 1/3 OCT analysis: 0.315 Hz to 250 Hz (± 1 dB)

5) Time averaging method: Index averaging for 1 second , Index average 8s

6) Main measurement indicators: Max、Min、Leq,T、5 Ln(n can be set between 1 and 99), 30 center frequency points AP、SD、 5 synthetic frequency weights (w)z、wx、wm、wk、wu）

7) Sensor parameters:

Sensor model	sensitivity	quality	Size (mm)	remarks
AWA84410	2mv/m·s-2	250g	φ205×10	Optional selection
AWA84303	40mv/m·s-2	800g	60×60×60	Optional selection
AWA14400	40mv/m·s-2	800g	60×60×60	Optional, single axis

8) Sampling frequency: 750Hz

9) Statistical sampling interval: 0.1s

10) Measurement modes: three-axis mode, four channel mode

4. Vibration 1/3 OCT analysis module

1) Execution standards: GB/T 3241-2010 Electroacoustics Octave and fractional octave filters （IEC 61260：1995 , MOD）；

2) Applicable standards:

3) Frequency range and measurement accuracy: 20 Hz to 2000 Hz（±5%) 、 2.5 Hz～2000 Hz(±12%)

4) Time averaging method: Index averaging for 1 second , Index average 8s

5) Main measurement indicators: Max、Min、Leq,T、30 center frequency points acc、vel、disp

6) Sensor parameters:

Sensor model	sensitivity	quality	Size (mm)
AWA84152A	2mv/m·s-2	24g	20×20×20

7) Sampling frequency: 12kHz

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