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Summary of Contents for Sper scientific 850015
- Page 1 Graphic Display Sound Meter 850015 Instruction Manual...
- Page 2 Graphic Display Sound Meter 850015 Copyright ©2015 by Sper Scientific ALL RIGHTS RESERVED Printed in the USA The contents of this manual may not be reproduced or transmitted in any form or by any means electronic, mechanical, or other means...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION ....4 2. FEATURES ....5 3. -
Page 4: Introduction
INTRODUCTION This Sper Scientific Graphic Display Sound Level Meter (Model 850015) provides fast and accurate measurement in a wide range of environments. Applications include safety engineering, health environments, industrial settings, and office engineering. The meter features both a numerical digital display and 30-segment bar graph for accuracy. -
Page 5: Features
FEATURES • Analog and digital displays • Minimum and maximum readings • Peak hold • Frequency weighting • Level range control • Visual alarm functions • AC and DC output coaxial socket • Windscreen • Tripod mounting screw • Low battery indicator •... -
Page 6: Front Panel Description & Lcd Display
FRONT PANEL DESCRIPTION & LCD DISPLAY... - Page 7 1. Microphone & Windscreen 2. AC/DC Output Socket 3. Battery Cover (on back, not pictured) 4. Auto Power Off indicator 5. FAST/SLOW response indicator 6. MIN/MAX Value hold indicator 7. UNDER/OVER range indicator 8. Range indicator 9. Calibration Mode indicator 10.
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Page 8: Calibration
CALIBRATION The meter will arrive properly calibrated and ready for use, and should keep it’s calibration for a significant period of time. The meter should be recalibrated if: • If the meter has not been used for a long time. •... -
Page 9: Measurement Procedures
MEASUREMENT PROCEDURES The meter may be held in the hand during measurement or mounted using the tripod mounting screw. Note… Wind blowing across the microphone may affect the readings. Mount the windscreen on the microphone whenever the meter is used in a windy environment. - Page 10 4. Press ▲ or ▼ to adjust the level range as needed. a. Press ▲to increase the level range from low to medium to high. b. Press ▼to decrease the level range from high to medium to low. Note… During measurement, visual alarms will alert you if the input is out of range.
- Page 11 Note... The analog bar graph will continue to display the current sound levels when the meter is in Peak Hold mode. Max/Min recording mode 3. Press MIN/MAX for a third time and “MIN/ MAX” flashes on the display. The meter now begins recording minimum and maximum values.
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Page 12: Maintenance & Storage
Automatic Shutoff The meter defaults to automatic shutoff each time it is turned on. If there is no key operation for 30 minutes, the instrument will power down. To disable automatic shutoff: 1. With the meter turned off, press and hold down FAST/SLOW. -
Page 13: Battery Replacement
BATTERY INSTALLATION & REPLACEMENT 1. The meter is powered by one 9V battery, either 006P, IEC 6F22, or NEDA 1604. Battery life for a 9V alkaline battery is approximately 60 hours. 2. An icon in the lower-left corner of the LCD indicates the level of battery power available To replace the battery: 1. -
Page 14: Specifications
SPECIFICATIONS Type LCD, 4 digits Digital Resolution 0.1 dB Display Display Update 0.5 seconds Rate 30-segment Type bar graph Analog Bar Graph Resolution 2 dB Display Display Update 100 mS Rate Meets IEC 61672:2013 Class 2 Standard frequency and time weighting specifications. - Page 15 Time Fast, Slow Weighting ± 1.4 dB under reference condi- Accuracy tions 1 Vrms at full scale (the upper AC Output limit of each level range) DC Output 10 mV / dB Operating ≤ 2000 meters Altitude Operating 0 ~ 40 °C (32 ~ 104 °F) Temp.
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Page 16: Warranty
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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