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Table of Contents
Related Manuals for REED ST-8850
Summary of Contents for REED ST-8850
- Page 1 ST-8850 Model Sound Level Meter Instruction Manual reedinstruments...
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Page 2: Table Of Contents
Operating Precautions ................9 Measurement Procedures ..............9 Battery Replacement..............10 For service on this or any other REED product or information on other REED products, contact REED Instruments at info@reedinstruments.com. Safety Read the following safety information carefully before attempting to oper- ate or service the meter. -
Page 3: Safety
•. Repairs or servicing that are not covered in this manual should be performed by qualified personnel only. For service on this or any other REED product, contact REED Instruments at info@reedinstruments.com. • Periodically wipe the case with a dry cloth. Do not use solvents or eradicator on this instrument. -
Page 4: Specifications
-10 to 60°C (14 to 140°F) Storage humidity: 10 to 75% RH Dimensions: 245 L x 64 W x 31 h mm Weight: 255g (including battery) Includes: 9V battery, carrying case and instruction manual Optional Accessory: Tripod (REED Model BS-6) reedinstruments... -
Page 5: Instrument & Function Description
Instrument & Function Description 1. Windscreen If you operate the unit in an environment with a wind speed over 10m/sec, please put protective accessories (the windscreen provided) in front of the microphone. 2. Display SYMBOL FUNCTION 4 digits Maximum Value hold OVER Over range Fast response... - Page 6 3. Level range select button Lo/Hi Lo: 35~100dB; Hi: 65~130dB When “OVER” is indicated, the ranges switch to another range for measurement. 4. Time weighting select button F (fast response): for normal measurements (fast varying noise) S (slow response): for checking average level of fluctuating noise 5.
- Page 7 9. DC. AC Output jack Standard 3.5mm 3 pole coaxial output socket. Serves to supply . AC signals and log-converted dc signals to external equipment. OUTPUTS: Two outputs can be accessed through a 3.5mm stereo phone plug refer. DC OUTPUT: Logarithmic signal: 10mV/dB Impedance: ≤100Ω...
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Page 8: Operating Instructions
This product is well calibrated when manufactured. We recommend it be . recalibrated every year. For service (repairs or calibration) on this or any other REED product . or information on other REED products, contact REED Instruments at . info@reedinstruments.com. -
Page 9: Operating Precautions
3. Select your desired Level 4. Hold the instrument comfortably in your hand or install it on a tripod (REED Model BS-6) and point the microphone at the noise source, the sound pressure level will now be displayed. 5. When MAX (maximum hold) mode is chosen, the instrument captures and holds the maximum noise level for a long period using any of the time weightings and ranges. -
Page 10: Battery Replacement
This indicates that the battery needs to replaced with a new one. For service on this or any other REED product or information on other REED products, contact REED Instruments at info@reedinstruments.com. Notes _________________________________________...
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