Extech 445703 Bedienungsanleitung

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Big Digit Hygro-Thermometer

Model 445703 - User Manual

INTRODUCTION

Congratulations on your purchase of Extech’s Big Digit Hygro-Thermometer. This professional meter, with proper care, will provide years of safe

reliable service.

OPERATION

1.Open the battery compartment by pushing the cover on the rear of the instrument downward as indicated by the arrow. Remove the battery

safety strip and the protective cover on the LCD display. The instrument is now ready for use.

2.The temperature units can be selected via the switch located on the rear of the instrument.

3.The upper display indicates the temperature in degrees C or F. The lower display indicates relative humidity in %.

4.Displaying the minimum and maximum values.

a. Press the MAX/MIN button. The highest value measured since the Reset button was last pressed appears on the display.

b. Press the MAX/MIN button again to display the lowest value measured since the Reset button was last pressed.

c. Press the MAX/MIN button again to return to normal display operation.

5.Resetting (clearing) the MAX/MIN memory.

6.Press and hold the RESET button for 1 second while in the MAX/MIN display mode to clear the memory and start recording new max/min

values.

7.The unit can be wall-mounted or placed on a flat surface using the foldout footing.

8.The low battery flag will appear on the display when the battery voltage is low. Replace the battery when this occurs.

SPECIFICATIONS

Temperature -10 to 60°C ±1.0°C within -10°C to 50°C

14 to 140°F ±1.8°F within 14°F to 122°F

Humidity 10% to 99% ±5% RH within 25% to 85% RH and 0 to 50°C or 32 to 122°F

Battery One (1) 1.5V 'AAA' cell

Size / Weight 109 x 99 x 20mm (4.3 x 3.9 x 0.78”) /169g (6 oz.)

BATTERY REPLACEMENT

Open the battery compartment by sliding the battery cover on the rear of the instrument downward as indicated by the arrow. Replace the

1.5V ‘AAA’ battery and replace the cover.

You, as the end user, are legally bound (Battery ordinance) to return all used batteries and accumulators; disposal in the household

garbage is prohibited!

You can hand over your used batteries / accumulators at collection points in your community or wherever batteries / accumulators are sold!

Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the end of its lifecycle

Two-year Warranty

Teledyne FLIR warrants this Extech brandinstrument to be free of defects in parts and workmanship for from date of shipment (a two years

six-month limited warranty applies to sensors and cables). To view the full warranty text please visit:

http://www.extech.com/support/warranties.

Contact Customer Support

Customer Support Telephone List: https://support.flir.com/contact

Calibration, Repair, and Returns: [email protected]

Technical Support: https://support.flir.com

Copyright 2023 Teledyne FLIR Commercial Systems, Inc. ©

All rights reserved including the right of reproduction in whole or in part in any form

www.extech.com

This document does not contain any export-controlled information

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