เครื่องวัดเสียง
Analog Display Sound Level Noise Meter - decibel DB, 50-126dB
(Model: SL-126)
ราคาพิเศษ 1,350 บาท
สนใจติดต่อ
บริษัท เอ็นที อินโนเวชั่น จำกัด Tel. 02-8874664 , Fax. 02-4960013
คุณเก๋: 087-9001168
คุณฝน Tel. 086-7959168
E-mail: ntinnovation@gmail.com 
Description
Characteristics
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Seven sound level ranges - allow measurements from 50 - 126 dB (referenced to 0.0002ubar).
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A and C weightings - lets you check compilance with safety regulations as well as make acoustic analysis.
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Slow and fast response settings - lets you check peak and average noise levels.
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Built-in battery condition indicator.
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Phono-type output jack - for connection to home theatre or test equipment.
Specifications
Power supply: 1 x 9v Alkaline type 6LR61 Battery (included)
Measure range:
Switch setting : from 60dB to 120dB
Range of Measurement: from 50-66dB to 110-126dB
Range
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
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