Extech Instruments TM100 Thermometer User Manual


 
TM100-EU-EN v1.3 12/13
3
Operation
Connecting thermocouples
1. This meter accepts a K/J-type thermocouple with spade lugs (sub-miniature type with one
spade wider than the other).
2. Plug the thermocouple into the meter's thermocouple input jack.
Measuring
1. Press the button to switch ON the thermometer on. After 1 second the thermometer will
display the first temperature reading (upper display).
2. Press the C-F-K button to select the desired temperature unit of measure. A display icon will
reflect the selection.
3. Touch the object to be measured with the probe. Read the measured temperature on the
display.
Note: If the display indicates “OL” the temperature is outside the measurement range. The
display shows "- - - -" when a thermocouple is not connected.
MAX/MIN/AVG mode
Press MAX/MIN to capture and step through the maximum (MAX), minimum (MIN) and average
(AVG) temperature values. These values will be shown in the lower display with an elapsed time
reference below (hrs:mins, mins:secs).
1. Press MAX/MIN to enter this mode.
2. Press MAX/MIN to step through maximum, minimum and average readings.
3. Press and hold MAX/MIN for 3 seconds to return to normal mode.
Data Hold
Press the HOLD button to freeze the reading in the display. HOLD will appear at the top right of
the display. Press the HOLD button again to return to normal operation mode.
Backlight
Press the SETUP button to switch the backlight OFF/ON.