Sper scientific 840015 Скачать руководство пользователя | Manualshive

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TYPE 1 Sound Meter

840015

Instruction Manual

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Содержание 840015

Страница 1: ...TYPE 1 Sound Meter 840015 Instruction Manual ...

Страница 2: ...ctions 4 3 A Measuring Procedure 3 B General Applications Settings 3 C Signal Output 3 D Precautions 4 Calibration 5 5 Battery Replacement 5 6 Frequency Weighting A and C Characteristics 6 7 Time Weighting Fast and Slow Characteristics 6 8 Specifications 7 9 Warranty 8 ...

Страница 3: ...30 dB range in both the A and C decibel frequency weighting scales with 0 1 dB resolution and an accuracy of 1 dB 63 Hz 4 kHz This meter can be acoustically calibrated in compliance with OSHA using Sper Scientific s Acoustical Calibrator 850016 or equivalent Features include a built in calibration adjustment easy to read LCD display fast or slow time weightings maximum hold function low battery in...

Страница 4: ...general applications select F which simulates the human ear s response time The S setting is used to obtain an average of vibrating sound levels Find the appropriate measuring range using the RANGE 5 selector If the OVERLOAD INDICATOR 3 appears in the upper left display slide the RANGE 5 selector to another setting Point the microphone at the sound source The sound level will be displayed in decib...

Страница 5: ...until the display reads 94 0 External Calibration Use Sper Scientifics Acoustical Calibrator 850016 or equivalent to calibrate the unit including the microphone in compliance with OSHA Slide POWER 6 selector to the I on Turn on the acoustical calibrator and place it onto the Sound Level Meter s MICROPHONE 1 Slide the RANGE 5 selector to the 60 100 dB position Slide the TIME WEIGHTING 7 selector to...

Страница 6: ... kHz 1 1 dB 3 dB 2 1 dB 3 1 dB 6 FREQUENCY WEIGHTING A and C CHARACTERISTICS Tolerance ANSI S1 43 Type 1 1 5 dB 1 0 dB 1 0 dB 1 0 dB 1 0 dB 1 0 dB 1 0 dB 1 0 dB 1 5 dB 6 0 dB 12 5 kHz 4 3 dB 6 2 dB 3 0 dB 6 0 dB 3 0 dB 6 0 dB 16 kHz 6 6 dB 8 5 dB 3 5 dB 17 0 dB 3 0 dB no limit Time Weighting Max response ref continuous signal Tolerance IEC 61672 Type 1 F Fast 1 0 dB 1 0 db S Slow 4 1 dB 1 0 db Tes...

Страница 7: ...z Microphone 1 2 standard size electric condenser microphone Threaded microphone cap unscrews for microphone replacement Time weighting Fast Slow Fast F t 125 ms Slow S t 1000 ms Internal Calibration Built in internal calibration on front panel Calibrated via internal 94 dB 1kHz square wave generator Output Signal AC 750 mVrms corresponding to each range step Output Terminal 3 5 mm diameter jack O...

Страница 8: ...f available This warranty does not cover probes batteries or damage resulting from accident misuse or abuse of the product In order to obtain warranty service ship the unit postage prepaid to SPER SCIENTIFIC LTD 7720 East Redfield Suite 7 Scottsdale Arizona 85260 480 948 4448 The defective unit must be accompanied by a description of the problem and your return address Register online at www spers...

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