New Digital Sound Level Meter GM1357 30~130dBA Handheld High Precision Noise Tester Audio Level Decibel Monitor Pressure Tester
This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Indu-strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic, family, and audio system.
Features：
Digital Sound Level Meter possesses the following features:
1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2
2. Accuracy up to +/- 1.5 dB
3. Measurement range: 30-130 dB
4. With two equivalent weighted sound pressure levels, A and C.
5. Fast & Slow dynamic characteristic modes.
6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.
Specifications：
Measuring range：30~130dBA、35~130dBC
Accuracy：+/- 1.5 dB (under reference conditions)
Frequency range：31.5Hz~8.5KHz
Level range：30~80,50~100,60~110,80~130, 30~130dB
Linearity range：50dB / 100dB
Frequency weighting：A / C
Digital Display：4digits
Resolution：0.1dB
Sample rate：2 times/second
Bar graph：50 dB scale at 1 dB step for monitoring current sound pressure level display
Sample rate: 20times/second
Over indication：OVER / UNDER
AC output：0.707Vrms at FS output impedance，approx. 600 ohm
DC output：10mV/dB, output impendance approx. 100ohm
Time weight：FAST / SLOW
Microphone：1/2 inch electret condenser microphone
Max：MAX
Power supply：1.5V AA alkaline cells or DC 6V 100mA(maximum DC9V)
Power life：About 30 hours (alkaline battery)
Self calibration time：3s
Operating condition：0~40℃，10~80%RH
Storage condition：-10~60℃，10~70%RH
Weight：308g (including battery)
Dimension：256*70*35mm
Packing list :
Color box*1
Host Digital Sound Level Meter GM1357*1
Instructions*1
PP box*1
Audio Line*1
CD*1
USB*1
*Battery not included.
======Other Notice======
Warranty policy:
*We provide 12 months Warranty for our products!
* If you are not satisfied with our products when you receive them, please return it within 7 days for a replacement or money back. Please contact us before you return it.
* If item is defective in 1 months for product reason, we will send you a replaced spare part without extra charger, or offer refund after we receive the defective item.
* If item is defective after 1 months, you can still send it back to us. We will fix it for you free of charge and send it back to you, but you should bear the shipping cost..
* We are a responsible seller, trust us that we will always do our best to support all our customers.
Contact & Feedback:
* Welcome to contact us by Shopee message. This is most convenient. All messages will be responded within 24 hours on working days. Our business hours are from Sunday to Friday. On Saturday and Sunday, we may reply you a bit later, but we will still try the best to reply you in 24 hours.
* If you are satisfactory with our goods and services, please give us a FIVE-STAR positive feedback. Your recogition will make us more confident to de
