Extech 44550 Manual
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4550- - _V1.5 / en US 11 21
User Manual
Humidity / Temperature Pen
Model 44550
Introduction
Congratulations on your purchase of th Humidity/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
Copyright Teledyne FLIR LLC ©2021
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
Produkt Specifikationer
| Mærke: | Extech |
| Kategori: | Måling |
| Model: | 44550 |
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