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Sper Scientific 840012 Sound Meter with Detachable Probe User Manual

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1. INTRODUCTION

Features a detachable probe for easy replacement, and both RS232
computer interface and AC outputs. Also has A and C decibel fre-
quency weighting scales, fast or slow time weighting, and two hold
functions. Meets IEC651 and ANSI S1.4 specifications for a type 2
sound meter. Covers 30~130 dB in both Manual and Auto ranging
scales with 0.1 dB resolution and an accuracy of ±1.5 dB. Calibrate in
compliance with OSHA using Acoustical Calibrator 840031 or equiva-
lent. Has a fold-out easel back and a tripod screw.

2. METER DESCRIPTION

1. Microphone
2. Probe Holder
3. Probe Handle
4. BNC Plug
5. BNC Socket
6. LCD display

7. Power Button
8. Hold Button
9. Rec./Max./Min
10. Max. Hold Button
11. A/C Button
12. Fast/Slow Button

13. Range Button
14. AC Output
15. Cal. Adjustment
16. RS232 Output
17. Easel
18. Battery

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