EXTECH 44550 Humidity / Temperature Pen
Introduction
Congratulations on your purchase of this Humidity/Temperature Pen. Proper use and care of this meter will provide years of reliable service.
Instructions
- ON/OFF Key
Press the ON/OFF key to turn the Pen On or Off. - 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
- 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.
- 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 © 2021 Teledyne FLIR LLC
All rights reserved including the right of reproduction in whole or in part in any form
www.extech.com
Documents / Resources
 |
EXTECH 44550 Humidity / Temperature Pen [pdf] User Manual 44550, Humidity, Temperature Pen |
