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Castle Sonus GA257L 工业测井袖珍剂量计(70-140 dB,记录仪)

Applicable standard: IEC 61252 : 1993
Level range: 70-140 dB
Display range: 69-143 dB
Peak range : 80-133dB
Linear Operating range: 70 dB
Display: LCD digit size 7mm x 5mm
Noise floor: <51.0dBA , <53.0dBC , <53.0dBZ
Time Weighting: ‘Slow’, ’Fast’ and ‘Impulse’
Exchange rate: 3dB, 4dB or 5dB
Criterion level: 75dB, 80dB, 85dB or 90dB
Threshold level: -5dB, -10dB or OFF
Frequency weighting: ‘A’, ‘C’ and ‘Z’ Combinations of ‘A’, ‘A’&’C’ simultaneous or ‘A’&’Z’ simultaneous available for Lp and Leq
Measement parameters: Lp, Leq, Apeak, Cpeak, Zpeak, Noise Dose%, Noise Dose Per Hour, Measurement Run Time, Overload, Interval Duration
Microphone:ACO 7052 pre-polarized ½” condenser microphone, 25mV/Pa
Power requirements: 1 x 6LR61 (size PP3), 12h. External power: 12v - 18v via Multi Purpose I/O Socket
Dimensions: 60mm (width) x 30mm (depth excluding pocket clip) x 135mm (height without microphone), Microphone cable length: 800mm (including rubber sleeve and microphone)
Weight: 200gms (without battery)

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