Extech TM100 Type K/J Single Input Thermometer
The Extech TM100 Type K/J Single Input Thermometer is built for fast and accurate temperature testing across a wide range of applications. It accepts both Type K and Type J thermocouples, giving users greater flexibility for different measurement tasks. The large backlit display makes readings easy to see in bright or dim conditions.
Users can select readings in °C, °F or Kelvin to suit their work. In addition, the data hold function freezes the displayed value for easier recording. The instrument also stores minimum, maximum and average readings with a relative time stamp to help track changes during testing.
Flexible Temperature Measurement
Because the meter supports two probe types, the Extech TM100 Type K/J Single Input Thermometer is suitable for many environments, including HVAC, maintenance and general testing. Type K measurements cover temperatures from -200°C to 1372°C, while Type J measurements extend from -210°C to 1100°C. An offset function also allows relative measurements by setting a zero reference point.
Two different set types are available for this product. One version is supplied with a Type K bead wire thermocouple and three AAA batteries, while another set includes a Type K bead wire probe and a 9V battery. This gives users the option to choose the package that best suits their requirements.
Designed for Everyday Use
The Extech TM100 Type K/J Single Input Thermometer combines a compact design with simple controls, making it easy to carry and use in the field. Its auto power off function helps preserve battery life, while users can disable this feature when continuous monitoring is required. The large display and clear interface also help users work faster and more efficiently.
Extech supplies the TM100 Type K/J Single Input Thermometer ready for use with batteries and a thermocouple in the selected set. The instrument delivers reliable performance across a wide temperature range, making it suitable for both everyday testing and demanding applications. As a result, technicians can depend on it for accurate and versatile temperature measurements.
Key Features
- Accepts both Type K and Type J thermocouples
- Large backlit LCD for clear readings
- Displays temperatures in °C, °F and Kelvin
- Data hold function freezes the displayed value
- Records minimum temperature readings
- Records maximum temperature readings
- Calculates average temperature values
- Relative time stamp for recorded readings
- Offset function for comparative measurements
- Supplied ready for immediate use
- Compact design for portable applications
- Available in two different set configurations
Technical Specifications
| Manufacturer | Extech |
| Manufacturer part code | TM100 |
| Instrument type | Single input thermocouple thermometer |
| Compatible thermocouple types | Type K and Type J |
| Type K measurement range | -200°C to 1372°C (-328°F to 2501°F) |
| Type J measurement range | -210°C to 1100°C (-346°F to 2012°F) |
| Resolution | 0.1° / 1° selectable |
| Basic accuracy | ±(0.1% reading + 1°C) |
| Display | Large backlit LCD |
| Temperature units | °C, °F and Kelvin |
| Dimensions | 220 x 63 x 28 mm |
| Dimensions in inches | 8.7 x 2.5 x 1.1 in |
| Weight | 200 g |
| Weight in ounces | 7 oz |
| Minimum reading memory | Yes |
| Maximum reading memory | Yes |
| Average reading function | Yes |
| Relative measurement function | Yes |
| Auto power off | Yes with disable function |
| Included probe | Type K bead wire thermocouple |
| Power supply options | Three AAA batteries or 9V battery depending on set supplied |
| Warranty | Not specified |
Comparison Table
| Specification | Type K | Type J |
|---|---|---|
| Supported by TM100 | ✓ | ✓ |
| Minimum temperature | -200°C | -210°C |
| Maximum temperature | 1372°C | 1100°C |
| Minimum temperature in °F | -328°F | -346°F |
| Maximum temperature in °F | 2501°F | 2012°F |
Document Downloads
What’s Included
- Extech TM100 Type K/J Single Input Thermometer
- Type K bead wire thermocouple
- Three AAA batteries or 9V battery depending on selected set
- Instruction manual