GM1357 Portable Digital Sound Level Meter

• Compact & Lightweight Design – This digital noise meter has novel design, compact size. Sound Noise Level Meter 30-130dB noise monitor decibel pressure calibrator detector logger for indoor / outdoor.
• Occasion: suitable for noise engineering, quality control, health control and a variety of environmental noise measurement. Such as factories, offices, traffic roads, home, audio and other occasions, noise measurement applications.
• Max/Min/Lock current value-Press Max or Min, the value will be locked until the minimum or maximum value appears and replace the current value.
• Large LCD screen display, 10 minutes Auto Power Off or Manual Shut Off by Pressing the Power Button for Two Seconds.
• A and C trade-off network options: A (simulated human ear), C (machine noise). AC and DC analog signal output, can be connected to the frequency analyzer or X-Y axis recorder to do statistical analysis of data.

Features:

• Sound Meter / Noise monitor / DB tester can read between 30dBA~130dBa with frequency range from 31.5 to 8.5KHz. Highly accurate with /-1.5dB
• Maximum value holding function to lock up the maximum reading
• Large LCD screen display, 10 minutes Auto Power Off or Manual Shut Off by Pressing the Power Button for Two Seconds
• Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site
• A frequence weighting for general sound level measurements; C frequence weighting for checking the low-frequency content of sounds

Specifications:

• Model Number:GM1357
• Product name:GM1357 Portable Digital Sound Level Meter
• Measuring Range:30~130 dBA —-35~130
• Accuracy:±1.5 dB
• Power supply:1.5V AA* 4pcs or DC 6V 100mA adapter
• Resolution:5digit & 0.1 dB
• Measuring level:0~130, 40~90, 50~100, 60~110, 80~130
• Frequency weighting characteristic:A & C
• Time weighting:FAST/SLOW
• Sampling rate:2times/second
• Microphone:1/2 inch polarization capacitance

• 1*GM1357
• 1*Manual