Sper scientific 850069 Bedienungsanleitung

Environmental Quality Meter

with Sound

850069

Instruction Manual

Environmental Quality Meter with Sound 850069

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 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 Scientic.

TABLE OF CONTENTS

INTRODUCTION ................................................................ 4

MATERIALS SUPPLIED ...................................................... 6

FEATURES ......................................................................... 6

UNIT DESCRIPTION .......................................................... 7

LCD DISPLAY ..................................................................... 8

KEYPAD ............................................................................. 9

SOUND CALIBRATION ..................................................... 10

MEASUREMENT PROCEDURES .................................... 12

BATTERY REPLACEMENT .............................................. 20

TROUBLESHOOTING ...................................................... 21

SPECIFICATIONS ............................................................. 22

OPTIONAL ACCESSORIES .............................................. 25

ENVIRONMENT REFERENCES ...................................... 26

WARRANTY ...................................................................... 28

INTRODUCTION

The Sper Scientic Environmental Quality Meter with Sound

850069 is a 5-in-1 instrument that functions as a:

• Sound-Level Meter—measures sound levels simulating

the human ear using the A Weighting and Fast Time

Weighting to meet the International Electrotechnical

Commission (IEC) standards (61672, class 2).

• Light Meter—measures light using an exclusive

photodiode and color-correction-lter, 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).

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.

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 26.)

MATERIALS SUPPLIED

• Meter

• Soft Carrying Case

• Six AAA 1.5 V Batteries

• Instruction Manual

FEATURES

• Multi-Purpose 5-in-1 Meter

• Rugged, Light-Weight, and Portable

• Accurate and Easy-to-Use

• One-Button Control

• Hold

• Minimum and Maximum Recall

• Multi-Channel Display

• Tripod Mountable

• Zero O󰀨set Adjustment

• Easy Calibration

Sound

Sensor

Light

Sensor

Air Flow

Sensor

Easel Stand

(Back of Unit)

LCD

Displa y

Key

Pad

Humidity Sensor

(Back of Unit)

RS232

DC 9V

Power

Adapter

Ports

(Side of Unit)

Temperature Thermocouple

Input Port

(Bottom of Unit)

Tripod Screw

and Battery

Compartment

(Back of Unit)

UNIT DESCRIPTION

LCD DISPLAY

Sound–Level Measurement Units

The decibel (dB) is a logarithmic unit of

measure that expresses the power or

intensity of an acoustic sound.

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.

LCD DISPLAY

Enters Record Mode

Displays recorded min/max values

KEY PAD

Turns the unit on/o󰀨

Freezes current measurement value

Clears recorded min/max values

Selects measurement mode

Changes unit of measure for light meter

and temperature scale

Changes unit of measure for anemometer

Calibrates the light sensor

SOUND CALIBRATION

This procedure requires an optional 2-Point Acoustical Cali-

brator (850016):

1. Using the directions that accompany the Acoustical Cali-

brator, ensure that the calibrator is operational and is

equipped with the ½” microphone adapter.

2. Insert meter’s sound probe into the calibrator.

3. Turn the calibrator on and select 94 dB.

4. Turn the meter on and use the FUNCTION button to se-

lect the Sound–Level meter function.

5. Press HOLD and MAX/MIN simultaneously for 3 seconds

and release.

The meter enters Calibration Mode and displays two values.

The upper value is the calibration point. The lower value is

the current reading.

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