GM1356 30~130 dB Digital Sound Pressure Level Noise Decibel Meter Tester

• Function: fast/slow time weighting selection, max/min/lock current value, Max value holding,
• auto power off, auto backlight alarming, low battery indication, A/C frequency weighting
• selection, calendar function.
• Record Function: powerful data storage up to 4700 data. Widely Used: used in various places, offices, transporting routes, families, school, stereo equipment and etc.

Features:

• Overload indication: OVER/UNDER
• Sample rate: SLOW 2 times/second, FAST 8 times/second
• AC output: 4Vrms at FS output impedance approx. 600 ohm
• PWM output: duty cycle=(0.01 * db value)/3.3 *100%
• Microphone1/2inch polarization capacitance microphone
• Dynamic characteristic: FAST/SLOW
• Calendar accuracy: 30 second/day
• Data storage quantity: 4700
• The maximum value holding: Max
• Auto power off: 10mins

Specifications:

• Model Number:GM1356
• Product name:Portable Digital Sound Level Meter GM1356
• Measuring Range:30dBA~130dBA, 30dBA~130dBC
• Accuracy:±1.5dB (under reference conditions)
• Power supply:1.5V AA alkaline cells or DC 6v 100mA (maximum DC9V)
• Self calibration time:3 s
• Power life:About 30 hours (alkaline battery)
• Storage condition:0~40°C 10%~70%RH
• Operating condition:-10~60°C 10%~80%RH
• Microphone:1/2 inch electret condenser microphone
• Weight:308g (including battery)

• 1*GM1356
• 1*Manual