Sper scientific 850068 Manuale utente
Hybrid–Powered
Environmental Quality
Meter
850068
Instruction Manual
- 2 -
Hybrid-Powered Environmental Quality Meter 850068
Copyright ©2009 by Sper Scientific
ALL RIGHTS RESERVED
Printed in the USA
7720 E. Redfield Rd. Suite #7, Scottsdale, AZ 85260
Tel: (480) 948-4448 Fax: (480) 967-8736
Web: www.sperscientific.com
The contents of this manual may not be reproduced or
transmitted in any form or by any means electronic,
mechanical, or other means that do not yet exist or
may be developed, including photocopying, recording,
or any information storage and retrieval system
without the express permission from Sper Scientific.
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MATERIALS SUPPLIED.................. 4
INTRODUCTION ................................... 5
FEATURES .................................... 7
UNIT DESCRIPTION ...................... 8
LCD DISPLAY ................................. 9
KEYPAD ......................................... 10
POWER TYPE SELECTION ........... 11
MEASUREMENT PROCEDURES... 12-21
BATTERY REPLACEMENT ............ 22
TROUBLESHOOTING..................... 23
ERROR CODES.............................. 23
SPECIFICATIONS........................... 24
OPTIONAL ACCESSORIES............ 26
ENVIRONMENT REFERENCES..... 27
WARRANTY .................................... 28
TABLE OF CONTENTS
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The Sper Scientific Hybrid-Powered
Environmental Quality Meter 850068 is a 4
-in-1 instrument that functions as a:
Light Meter—measures light using an
exclusive photodiode and color-
correction-filter, light sensor. Meets the
Commission Internationale de
l’Eclairage (CIE) photopic standards.
Anemometer—measures wind-speed
using a low-friction, ball bearing wheel
design to provide exceptional accuracy.
Hygrometer—measures relative
humidity using a high-precision
humidity sensor with fast response
time.
Thermometer—measures temperature
using standard Type-K (NiCr-NiAl)
thermocouple input jack for all Type-K
probes (optionally available).
INTRODUCTION
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The rugged, light-weight and portable
design of the Environmental Quality Meter
allows you to use it almost anywhere to
monitor elements and maintain a healthy
and safe environment.
The Hybrid-Powered Environment Quality
meter also offers a Green power source
through a built in hand-crank generator,
enabling battery-free operation.
Recommended exposure limits for the
various elements have been set through
government organizations such as the US
Occupational Safety and Health
Administration (OSHA) and the National
Institute for Occupational Safety and
Health (NIOSH).
Current recommendations and guidelines
are available through these organizations,
as well as many others. (Refer to
Environment References page 27.)
INTRODUCTION
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Multi-Purpose 4-in-1 Meter
Hybrid-Power (Hand-Crank Generator)
Rugged, Light-Weight, and Portable
Accurate and Easy-to-Use
One-Button Control
Hold
Minimum and Maximum Recall
Multi-Channel Display
Tripod Mountable
Data Analysis through PC Connection
Zero Offset Adjustment
Easy Calibration
FEATURES
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UNIT DESCRIPTION
Light
Sensor
Generator Hand-Crank
(Bottom of Unit)
Easel Stand
(Back of Unit)
LCD
Display
Key
Pad
Humidity Sensor
(Top of Unit)
Temperature Thermocouple and
Anemometer Probe Input Ports
(Top of Unit)
Tripod Screw
and Battery
Compartment
(Back of Unit)
Power Type
Switch
(Side of Unit)
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LCD DISPLAY
Light–Level Measurement Units
Lux
Ft-cd
x10
Both Lux and Ft-cd (Foot Candle)
measure luminance.
Lux = lumens per square meter.
Ft-cd = lumens per square foot .
X10 = Value displayed is 1/10 the value.
Air Velocity Measurement Units
ft/min
m/S
km/h
MPH
knots
Feet per minute
Meters per second
Kilometers per hour
Miles per hour
Nautical miles per hour
Relative Humidity Measurement Units
%
Relative humidity (RH) is a term used to
describe the amount of water vapor that
exists in the air and displays as a
percentage.
Temperature Measurement Units
°C/°F Represents the temperature in either
Celsius or Fahrenheit degrees.
Record Mode and Hold Indicators
REC
MAX
MIN
HOLD
Meter is operating in Record Mode.
Maximum value recorded.
Minimum value recorded.
Meter display is in Hold Mode.
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KEY PAD
Turns the unit on/off
Freezes current measurement value
Clears recorded min/max values
Enters Record Mode
Displays recorded min/max values
Changes unit of measure for an-
emometer
Calibrates the light sensor
Changes unit of measure for light
meter and temperature scale
Selects measurement mode
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