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Summary of Contents for Sper scientific 840012
- Page 1 Detachable Probe Sound Meter 840012 Instruction Manual...
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Page 2: Table Of Contents
CONTENTS 1. Introduction ....................3 2. Meter Description ..................3 3. Operating Instructions 3-A Measuring Procedures ................4 3-B Hold ......................4 3-C Rec. Max/Min ..................4-5 3-D Max. Hold ....................5 3-E Signal Output ..................5 3-F Calibration ....................5 3-G Precautions ................... -
Page 3: Introduction
1. INTRODUCTION Features a detachable probe for easy replacement, and both RS232 computer interface and AC outputs. Also has A and C decibel frequency weighting scales, fast or slow time weighting, and two hold functions. Meets IEC61672 class 2 and ANSI S1.4 type 2 frequency and time weighting specifications. -
Page 4: Operating Instructions
3. OPERATING INSTRUCTIONS 3-A. MEASURING PROCEDURES - See section 2, page 3 for button locations and descriptions. • Connect the BNC PLUG (4) to the BNC SOCKET (5). • Slide the PROBE HANDLE (3) into the PROBE HOLDER (2) (opt). •... -
Page 5: 3-D Max. Hold
3-F. CALIBRATION • The meter’s CAL (15) adjustment is located on the side of the unit. • Use Sper Scientific’s 2 Pt. Acoustical Calibrator 850016 (or equivalent) to calibrate the unit in compliance with OSHA. • Press the POWER (7) button to turn the unit on. -
Page 6: 3-H Auto Shut Off
3-H. AUTOMATIC SHUT OFF After approximately 10 minutes without activity (with no buttons pushed), the meter will automatically shut off. To disable this feature, press the REC (9) button. 3-I. BATTERY REPLACEMENT When the low battery icon is displayed, open the BATTERY (18) compartment to install a fresh 9V alkaline or heavy duty type battery. -
Page 7: Specifications
Included Accessories Windscreen, calibration tool, instructions, 9V battery, hard-shell foam-lined carrying case Optional Services 840012C NIST Traceable Cert. of Calibration & Accessories from 850016 2 Pt. Acoustical Calibrator Sper Scientific 840057 RS232 Cable 840090 Water Resistant Instrument Pouch 850080 Software 840093 Field Tripod... -
Page 8: Frequency Weighting (A And C) Characteristics
-1.1 ± 5 WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) years from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.
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