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Benetech GM1351 Operation Manuals

Benetech GM1351 Operation Manuals

Digital sound level meter

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Model: GM1351
Digital Sound Level Meter
Operation Manual
(Page 1)
A. Introduction
This equipment has been designed to meet the
measurement requirement of Safety Engineers,
Health, Industrial Safety offices and Sound Quality
control in various environment which include factory,
office, traffic, family and audio system
This equipment has the following functions:
1 .It is designed according to the IEC651 TYPE2 &
ANSI S1.4 TYPE2
2. Modern, compact, portable design
3. Accuracy up to ±1.5 dB
4. Measurement range: 30dBA – 130 dBA
5. MAX Hold
6. Auto backlight display
7. Auto power OFF
B. Safety Notice:
Operation Environment:
1. Below 2,000 meters height
2. Humidity <80% RH
3. Operation temperature: 0-40C.
Maintenance:
Use dry cloth to clean the unit but never with any
solvent.
Figure
1
(Page 2)
C. Calibration Procedures:
Please use a Standard Acoustic Calibrator.
1 Turn on the calibrator and set up the status to
94dB@1KHz
2 Insert the microphone carefully into the ½ inch
hole of the Calibrator.
3 .Turn on the Calibrator and adjust the potentiometer
inside the battery compartment of the unit
(shown in the Figure1), until the LCD display the
desire level (94 dB)
**Our products are all well calibrated before shipment.
(Recommended recalibration cycle:1 Year.)
D. Name and functions (Figure 2)
1. Electric Condenser Microphone.
2. LCD Display.
3. ON/OFF button
4. Maximum value hold button.(MAX)
5. Light sensor
6. Tripod mounting nut
7. Potentiometer
8. Windscreen
Figure 2
(Page 3)

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Summary of Contents for Benetech GM1351

  • Page 1 A. Introduction C. Calibration Procedures: Please use a Standard Acoustic Calibrator. Model: GM1351 This equipment has been designed to meet the 1 Turn on the calibrator and set up the status to measurement requirement of Safety Engineers, 94dB@1KHz Health, Industrial Safety offices and Sound Quality 2 Insert the microphone carefully into the ½...
  • Page 2 E. LCD Display (Figure 3) To cancel this function, press “ “ continuously “ UOF “ display on the LCD, the auto power off 1 Low battery indication function will be renewed in next turn on. 2 Measuring value 9V Battery H.