Sper Scientific 840015 Sound Meter Type 1 User Manual
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1. Microphone
2. Threaded
Microphone
Cap
3. Overload
indicator
4. Display
5. Range
selector
6. Power/Calibration
selector
7. Time Weighting selector
8. Max Hold/Instant selector
9. Calibration
Adjustment
10. Reset button
11. Frequency Weighting selector
12. Signal Output Terminal
1. INTRODUCTION
Your new instrument meets IEC61672 and ANSI S1.43 specifications for
a Type 1
Sound Meter. It covers the 30 ~ 130 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 indicator, AC
output and a reset button. CE compliant.
Accessories include a windscreen, calibration tool, a carrying case,
instruction manual and batteries.
2. PANEL DESCRIPTION
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