Key facts
- Brand
- EXTECH
- Model
- TM100
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2023-10-18
Start here

Extech TM100 Digital Thermometer User Manual
The Extech TM100 is a digital thermometer designed for measuring temperature using K or J type thermocouples. It features a clear LCD display that shows current readings, maximum, minimum, and average values, as well as a backlight for visibility in low light conditions. The device supports both Celsius and Fahrenheit units and includes a data hold function to freeze readings.
Read onlineEXTECH TM100 specifications
| Temperature Range (K type) | -200°C to 1372°C |
|---|---|
| Temperature Range (J type) | -210°C to 1100°C |
| Temperature accuracy (Above -100°C) | ± [0.15%rgd+10C (1.8°F)] |
| Temperature accuracy (Below -100°C) | ± [0.5%rgd+20C (3.6°F)] |
| Display Resolution | 0.1°C /°F /°K <1000, 1°C /°F /°K > 1000 |
| Battery | AAA 1.5V×3 |
| Operating Temperature | 0°C to +50°C |
| Dimensions | 8.7 x 2.5 x 1.1” (220 x 63 x 28mm) |
All EXTECH TM100 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What thermocouple types does the TM100 accept?
The meter accepts any K/J-type thermocouple with spade lugs.
How do I select the temperature unit?
Press the C-F-K button to select the desired temperature unit of measure.
What thermocouple types does the TM100 support?
The meter accepts any K-type or J-type thermocouple with spade lugs.
How do I change the temperature unit?
Press the C-F-K button to select the desired temperature unit of measure (C, F, or K).
What temperature range does the Type K probe measure?
The Type K probe measures temperatures from -328 to 2501°F (-200 to 1372°C).
What temperature range does the Type J probe measure?
The Type J probe measures temperatures from -346 to 2012°F (-210 to 1100°C).
