Analog Display Sound Level Noise Meter - decibel DB, 50-126dB
ราคาพิเศษ 1,350 บาท
Seven sound level ranges - allow measurements from 50 - 126 dB (referenced to 0.0002ubar).
A and C weightings - lets you check compilance with safety regulations as well as make acoustic analysis.
Slow and fast response settings - lets you check peak and average noise levels.
Built-in battery condition indicator.
Phono-type output jack - for connection to home theatre or test equipment.
Power supply: 1 x 9v Alkaline type 6LR61 Battery (included)
Switch setting : from 60dB to 120dB
Range of Measurement: from 50-66dB to 110-126dB
Switch Setting Range of Measurement
60 dB 50 66 dB
70 dB 60 76 dB
80 dB 70 86 dB
90 dB 80 96 dB
100 dB 90 106 dB
110 dB 100 116 dB
120 dB 110 126 dB
Load Impedance: 10 kohm minimum
Distortion: Less than 2% at 1kHz, 0.5-volt
Microphone: Electret condenser omnidirectional becoming slightly directional with increase in frequency.
Accuracy: +/- 2dB @ 114dB
Standard: 0dB = 0.0002ubar
Weighting: A and C
Response: Fast and Slow
Signal Output: 1.0 volt(peak) minimum into open circuit, with full-scale meter deflection at 1kHz
Battery check: Tests "good" from 7.0 to 10.5 volts
Expected Battery Life: 110 working hours (alkaline battery)
Dimensions: 160 x 62 x 44mm
Weight : about 185g