Extech 44550 Bedienungsanleitung

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4550--_V1.5 / enUS 1121

User Manual

Humidity / Temperature Pen

Model 44550

Introduction

Congratulations on your purchase of thHumidity/Temperature Pen. Proper use and care of this meter will provide years of is

reliable service.

Instructions

•ON/OFF Key

Press the ON/OFF key to turn the Pen On or O ff.

•C/F Key

Press the C/F Key to select the temperature units.

•MAX/MIN Key

Press the MAX/MIN key once to view the highest temperature and relative humidity readings. An up arrow will appear ▲

on the left side of the display to indicate that the MAX mode is active.

Press the MAX/MIN key a second time to view the lowest temperature and humidity readings. A down arrow will appear ▼

on the left side of the display to indicate that the unit is in the MIN mode.

Press the MAX/MIN key a third time to exit the MAX/MIN mode and return to normal operation

•CLEAR Key

With the down or the up arrow visible on the display (indicating that the Pen is in the MAX/MIN mode), press the CLEAR

key to erase the stored MAX/MIN temperature and relative humidity readings. When the readings have been erased the

display will indicate all dashes ( - - - - ). New MAX/MIN readings will start recording within 3 seconds of the Clear function.-

+

Battery Replacement

1.Using a coin or a screwdriver, open the circular battery compartment on the rear of the pen by turning it in the direction

of the OPEN arrow.

2.Replace the LR-44 battery and close the battery compartment.

Specifications

RH

20 to 90%

±5%

Temperature

-10 to 50°C

±1°C

14 to 122°F

±2°F

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