42535 Datasheet, PDF (3/4 Pages) Extech Instruments Corporation. – Mini IR Thermometer with Type K Input

Type K Thermocouple Temperature Measurements
1. Connect a K-Type temperature probe into the socket on the front of the handle.
2. Press the Mode button until PRB appears on the display.
3. Read the temperature on the display.
4. To see the minimum temperature recorded using the probe, press and hold the ºC/ºF
button.
5. To see the maximum temperature recorded, press and hold the LOCK button.
6. In this mode, the meter will automatically power off if left idle for more than 12 minutes.
Type K Measurement Considerations
When a Type K Thermocouple is first connected to the meter and the thermocouple and
meter temperatures are different, several minutes should be allotted so that the temperature
of the socket matches the temperature of the thermocouple.
High and Low Alarms
1. To set the high alarm press the Mode button until HAL (high alarm) appears in the display.
Use the Up and Down arrow buttons to set the alarm temperature.
2. To set the Low alarm, press the Mode button until LAL (low alarm) appears in the
display. Use the Up and Down buttons to set the alarm temperature.
3. When the measured temperature exceeds the settings, the alarm will sound and the “HI”
or “LOW” icon will be displayed
Emissivity adjustment
The emissivity is factory set to 0.95, which covers 90% of all applications. However, the
closer the meter's emissivity setting is to the actual emissivity of the object under test, the
more accurate the temperature measurements will be. To calculate the emissivity of an
object: Measure an object's temperature using a Type K Thermocouple and note the reading.
Measure the object again using the IR sensor. Now, press the Mode button until the E symbol
(emissivity) appears on the screen. Using a small screwdriver or paper clip, press and hold
down the Emissivity button. Use the UP and Down arrow buttons to set the Emissivity.
Release the Emissivity button. Press the Mode button to confirm the setting.
Back Light Display
To turn the Back Light On/Off, press and hold the measuring trigger. While continuing to pull
the trigger, press the LOCK button to turn the light on/off. When the back light is on, the
icon will appear on the display.
Error Message
If the symbol is displayed, it is necessary to reset the thermometer. To reset it, turn the
instrument off, remove the battery and wait for a minimum of one minute, reinsert the battery
and turn on. If the error message remains repair/replacement of the meter is necessary.
Battery Replacement
This symbol indicates that the battery is OK. When the low battery symbol appears on
the LCD, measurements are still possible but the meter’s 2 AAA batteries should be replaced.
This symbol indicates that the battery is exhausted and no measurements can be taken.
The hinged battery compartment is located on the bottom of the meter's handle. Open the
compartment by sliding the battery compartment cover down and lifting it from the bottom.
Replace the batteries and close the battery compartment cover.
Support line [phone]
Technical support: Extension 200; E-mail: [e-mail]
Repair & Returns: Extension 210; E-mail: [e-mail]
Product specifications subject to change without notice
For the latest version of this User’s Guide, Software updates, and other up-to-the-
minute product information, visit our website: www.extech.com
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42535 Version 4.0 01/05