Introduction and Application:
The digital sound level meter features a novel design, compact size, and portability. lt is suitable for noise engineering, quality control, health prevention, and environmental noise measurements in various settings. such as factories, offices, traffic roads, households, and sound systems.
Features:
Sound level measurement.
High accuracy and large measuring range.
Maximum lock (For GM1356).
LCD backlight.
Automatic shutdown.
A/C Frequency weighting selection.
Fast/Slow time weighting selection.
Both AC and PWM signal output are available.
Calendar function (for GM1356).
Data recording function (4700 data) (GM1356).
USB connection function (for GM1356)
Real-time data sampling analysis, and printing graph & data functions (for GM1356).
Data download function (for GM1356).
Fast & slow dynamic characteristic modes (for GM1358 and GM1357).
Product Technical parameter:
| Model |
GM1356 |
GM1357 |
GM1358 |
| Calibration sound source |
94dB@1KHz |
| Measurement range |
30~130 dB(A),35-130dBC |
| Accuracy |
±1.5dB (Reference sound pressure standard,94dB@1KHz) |
| Resolution |
0.1dB |
| Frequency weighting |
A and C |
| AC output |
4Vms/full bar graph, output impedance approx..600ohm |
0.707Vms at FS output impedance approx..600ohm |
0.707Vms at FS output impedance approx..600ohm |
| Dynamic character is tic |
FAST (high speed)/slow (low speed) |
| Calendar accuracy |
±30 seconds/day |
no |
no |
| Data storage quantity |
4700 |
no |
no |
| Sample rate |
2 times/second |
| Microphone |
1/2 inch electret condenser microphone |
| Frequency response |
31.5Hz~8KHz |
| Operating temperature |
0~40℃ |
| Operating humidity |
10~80%RH |
| Storage temperature and humidity |
-10~60℃,10-70%RH |
| Power supply |
4*1.5V AAA batteries |
9V battery |
| Dimension |
70x35x256mm |
207x70x29mm |
The contents included in the shipment:
1. Digital Sound Level Meter:1pc
2. English Instruction Manual:1pc.
3. Sponge ball:1pc
4. USB cable: 1pc.
5. AC output wire:1pc
6. Plastic carrying case:1pc
7. paper color box:1pc.
