Sper scientific 850070 Bedienungsanleitung

Mini Environmental

Quality Meter

850070

Mini Environmental Quality Meter 850070

Sper Scientic

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

1. INTRODUCTION . . . . . . . . . . . . . . . . . 3

2. PANEL DESCRIPTION. . . . . . . . . . . . . . 3

3. MEASUREMENT PROCEDURES. . . . . . . . 4

4. ADDITIONAL FUNCTIONS . . . . . . . . . . . 6

DATA HOLD. . . . . . . . . . . . . . . . . . . . 6

MAX/MIN . . . . . . . . . . . . . . . . . . . . . 6

AUTO SHUTOFF . . . . . . . . . . . . . . . . . 6

OVERLOAD INDICATOR . . . . . . . . . . . . 7

5. BATTERY REPLACEMENT . . . . . . . . . . . 7

6. SPECIFICATIONS . . . . . . . . . . . . . . . . 7

7. WARRANTY . . . . . . . . . . . . . . . . . . . 8

INTRODUCTION

For environmental testing anywhere. Combines a light

meter, humidity meter, thermometer & anemometer into a

single compact unit. Features touch-tone buttons, max-

min & hold functions. Comes ready to use with wrist strap,

instructions, 9V battery, & soft carrying case.

PANEL DESCRIPTION

1. Air Flow Sensor

2. Thermocouple Input

Socket (on left)

3. RH Sensor (on right)

4. LCD Display

5. Key Pad (L to R)

Power Button

Hold Button

Max/Min Button

Unit/Zero Button

°C/°F, Lux/Ft-cd Button

Function Button

6. Wrist Strap

7. Light Sensor

OPERATING INSTRUCTIONS

Measurement Procedures

Turn on the instrument by pressing the POWER button. See

page 3 for button locations. The full display appears, then

counts down to 00000. The meter defaults to the last used

unit of measure.

Air Velocity Measurement

1. Press the FUNCTION button to select the Anemometer.

2. Press the UNIT/ZERO button to select the unit of measure:

(knot, Km/h, m/S, FPM, mph).

3. Press the °C/°F button to select Centigrade or Fahrenheit.

Aim AIR FLOW SENSOR toward the source to be measured.

5. Air velocity, temperature and the unit of measure are

displayed on the LCD.

Thermocouple Measurement

1. Plug a Type K thermocouple probe (not included) in the

THERMOCOUPLE INPUT SOCKET, making sure that the

that the polarity is correct.

2. Press the FUNCTION button to select the Thermocouple.

3. Press the °C/°F button to select Centigrade or Fahrenheit.

4. Make contact between the probe and the object to be

measured.

5. The temperature and the unit of measure are displayed.

6. Temperature di󰀨erences between the probe and the meter

can cause inaccurate results. If applicable, allow a

few minutes for the probe and meter to adjust to the

ambient temperature.

RH Measurement & Temperature

1. Press the

FUNCTION

button to select the RH function.

2. Press the

°C/°F

button to select Centigrade or Fahrenheit.

3. The RH results and ambient temperature are displayed.

4. When environmental changes occur, such as moving the

meter to a new location, allow a few minutes for the meter

to stabilize.

Light Measurement

1. Press the

FUNCTION

button to select the Light function.

The reading appears inverted on the LCD.

2. Press the

LUX/FT-CD

button to select the unit of measure.

3. Point the

LIGHT SENSOR

, toward the light source to

be measured.

4. The results are shown on the LCD.

5. The overload indicator (“- - - - “) is displayed if the range

is exceeded.

6. The zero-point may drift because of climate changes or

when the battery becomes weak. To reset the zero-point,

block out any light source by covering the

LIGHT SENSOR

then press the

UNIT/ZERO

button.

Note... To preserve the accuracy of the light sensor, store the

meter in its closed pouch.

ADDITIONAL FUNCTIONS

Data Hold

During the measuring procedure, press the HOLD button to

freeze the measured value. The LCD will also display the

word: “HOLD.” To exit, press the HOLD button again.

Maximum / Minimum (Record)

1. Press the MAX/MIN button once. “REC” appears on the

LCD to indicate that the meter is in the Record mode.

2. Press the MAX/MIN button again. “REC”, “MAX” and the

maximum measurement appear on the LCD

3. Press the MAX/MIN button again. “REC,” “MIN” and the

minimum measurement appear on the LCD.

4. To delete the recorded maximum and minimum values,

press the HOLD button once. When released, the LCD

displays only “REC”.

5. To exit this function, press and hold the MAX/MIN button for

≥ 2 seconds, until the display reverts to the current reading.

Automatic Shut-O󰀨

The instrument has an automatic shut o󰀨 function in order to

prolong battery life. After approximately 10 minutes without

activity (no buttons pushed), the meter will automatically shut

o󰀨. To disable this feature, press the MAX/MIN button. “REC”

will appear on the LCD.

Overload Indicator

When the measurement is out of range, “- - - -” appears on

the display.

BATTERY REPLACEMENT

Replace the battery when the low battery icon is displayed in

the left corner of LCD. In-spec measurements may be made

for several hours after the low battery icon appears.

SPECIFICATIONS

Unit of Measure Range Res. Accuracy

ºC ambient 0 to 50

0.1

±1.2ºC

ºF ambient 32 to122 ±2.5ºF

ºC Type K -100 to 1300 ±(1% + 1ºC)

ºF Type K -148 to 2372 ±(1% + 2ºF)

RH 10 to 95% ±6% 30 to 60RH

otherwise ±8%

Airspeed m/s 0.4 to 25.0

±(3% + 2d)

Airspeed km/h 1.4 to 90.0

Airspeed mile/h 0.9 to 55.9

Airspeed knots 0.8 to 48.6

Airspeed ft/min 80 to 4930 1±(3% + 20ft/min)

Lux 0 to 20,000 ±(5% + 4d)

Foot Candle 0 to 2,000 0.1

WARRANTY

Sper Scientic warrants this product against defects in materials

and workmanship for a period of ve (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 Scientic product will be substituted if available.

This warranty does not cover probes, batteries, battery leakage,

or damage resulting from accident, tampering, misuse, or abuse

of the product. Opening the meter to expose its electronics will

void the warranty.

To obtain warranty service, ship the unit postage prepaid to:

SPER SCIENTIFIC LTD.

8281 E. Evans Rd., Suite 103

Scottsdale, AZ 85260

The defective unit must be accompanied by a description of the

problem and your return address. Register your product online

at www.sperwarranty.com within 10 days of purchase.

rev 7/5/2017

Display 8 mm LCD display

Operating Humidity Max. 80% RH

Operating Temp. 0 to 50°C (32 to 122°F)

Power Supply 006p DC 9V battery (heavy duty type)

Power Current Approx. DC 6.2 mA

Dimensions 6" × 2½" × 1" (152 × 64 × 25 mm)

Weight 5.3 oz (150 g)

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