Backlight And Laser Pointer; Contact (Type K) Temperature Measurements; Test Lock Feature; Temperature Units (C/F) - Craftsman 81998 Owner's Manual

Backlight and Laser Pointer

1. While pulling the Trigger, push the backlight/laser button
once to turn on the backlight.
2. Press it again to turn on the laser pointer. When the laser is
ON the laser icon
3. Press the laser button to turn the backlight off.
4. Pressing it again turns the laser off.
Note: Backlight and Laser settings will be retained after the
meter powers down.
Type-K (contact) Measurements
1. Plug the Type-K thermocouple sensor into the jacks at the
bottom of the instrument.
2. Pull the trigger to turn the instrument ON.
3. In order to keep the instrument's power on while testing, the
user can a:) hold the trigger or b:) lock the instrument ON by
setting the center dip switch to the ON position (switches are
located inside of the battery compartment).
4. Repeatedly press the MODE button until the bottom display
line of the LCD reads 'T k'. The temperature shown to the
right of the 'T k' symbol is the temperature that the Type-K
thermocouple is sensing.
5. Hold the thermocouple in air or touch the tip of the sensor to
the device that is to be tested. The LCD's bottom
temperature display will provide the measurement value.
Note: The supplied thermocouple is rated for 482°F (250°C). For
higher temperatures you can purchase a high temperature
thermocouple from www.craftsman.com.
Temperature Units
The temperature units can be set to °F or °C using the top
switch located in the battery compartment.

Test Lock feature

The Test LOCK feature locks the meter in scan mode
(automatically pressing the trigger indefinitely). This feature is
useful for long term temperature monitoring and hands free use.
To activate the LOCK feature set the center switch inside the
battery compartment to ON.
will appear in the LCD.
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