Shanghai Jingke Scientific Instrument Co., Ltd |
JK-NM-814 Noise Meter
Technical parameters
Measuring Range: 30~130dBA, 35~130dBC
Accuracy1.5dB
Frequency: 31.5HZ-8.5KHZ
Dynamic Range: 50dB
AC/DC Signal output:√
Automatic power-off: √
Low-power display: √
Overload alarm: √
Digital bit and resolution: 5Digits & 0.1dB
Selection of Dynamic feature: Fast/Slow
Microphone: 1/2 inch Condenser Microphone
Frequency weighting characteristics: A & C
Selectable measuring level
Maximum value lock: √
RS232 interface: -
Perpetual calendar:-
Sampling frequency: 2 times/sec