To Next PageTo Next Page
Need help?Do you have a question about the Extech Instruments TM20 and is the answer not in the manual?
Measurement| measurement range | -40 to 70 °C (-40 to 158 °F) |
|---|---|
| resolution | 0.1 °C/°F |
| accuracy | 0.5 °C: 0 to 24 °C, 1.0 °C: -20 to -1 °C and 25 to 49 °C, 2.0 °C: -40 to -21 °C and 50 to 200 °C |
Protection and Safety| protection safety rating | IP 65 |
|---|
Power| power supply | CR2032 3V button battery |
|---|---|
| low battery indication | Battery symbol appears on the LCD |
Physical Dimensions| meter dimensions | 86(L) x 57(H) x 30(D) mm / 3.4(L) x 2.2(H) x 1.2(D) |
|---|---|
| cable length | 209 m (9.6 ft.) |
Measurement| measurement range | -40 to 200 °C (-40 to 392 °F) |
|---|---|
| resolution | 0.1 °C/°F |
| accuracy | 0.9 °F: 32 to 75 °F, 1.8 °F: -4 to 31 °F and 76 to 120 °F, 3.6 °F: -40 to -5 °F and 121 to 392 °F |
Protection and Safety| protection safety rating | IP 65 |
|---|
Power| power supply | CR2032 3V button battery |
|---|---|
| low battery indication | Battery symbol appears on the LCD |
Physical Dimensions| meter dimensions | 86(L) x 57(H) x 30(D) mm / 3.4(L) x 2.2(H) x 1.2(D) |
|---|---|
| cable length | 1.5 m (5 ft.) |
Explanation of key international safety symbols used in the manual and on the device for user awareness.
Essential safety guidelines and intended use recommendations for operating the portable thermometers safely.
Critical warnings detailing potential risks associated with handling probes, batteries, and potential electrical hazards.
Important advice on preventing damage and ensuring safe operation, including probe heat resistance and immersion warnings.
Visual guide and identification of the physical parts and components of the Extech thermometer unit.
Explanation of icons, indicators, and readings displayed on the thermometer's LCD screen for clear understanding.
Step-by-step instructions for installing batteries and powering the thermometer on and off for use.
Guide on how to easily switch between Celsius and Fahrenheit units for temperature measurements.
Instructions on utilizing the MAX-MIN function to track extreme temperatures and the HOLD function to freeze readings.
Details on the TM26's sound reflector for amplified beeper alerts and its NSF certification for food service use.
