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Extech TM500 12-Channel Temperature Thermocouple Data Logger

12-Channel Data Logging Thermometer

Extech Data Logger with 12 Inputs for Type J, K, T, E, R and S Thermocouples

Part Number: TM500

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  • Accepts up to (12) Thermocouple Probes Type J, K, T, E, R or S

  • Backlit LCD Display and Touch Pad For In-the-Field Configuration and Monitoring

  • Stores up to 20 Million Readings Directly onto 2GB SD Card (No Software to Install)

  • Offset Adjustments Used for Zero Function or to Make Relative Measurements

  • LCD Display Shows 3 LED Temperature Readings

Includes 2GB SD Card, (12) Type-K Beaded Thermocouple Probes, (8) AA Batteries and Hard Carrying Case

Special order - please allow 7-10 business days for this item to ship.


All Calibration Orders Have a 5 to 7 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified


Extech TM500 12 Channel Temperature Data Logger Specifications

Thermocouple Types: J, K, T, E, R and S
Type J: -100°C to 1150°C (-148°F to 2102°F) @ ±0.4% + 1°C
Type K: -100°C to 1300°C (-148°F to 2372°F) @ ±0.4% + 1°C
Type T: -100°C to 400°C (-148°F to 752°F) @ ±0.4% + 1°C
Type E: -100°C to 900°C (-148°F to 1652°F) @ ±0.4% + 1°C
Type R: 0°C to 1700°C (32°F to 3092°F) @ ±0.5% + 3°C
Type S: 0°C to 1500°C (32°F to 2732°F) @ ±0.5% + 3°C
Resolution: 0.1°/1.0°
Temperature Compensation: Automatic (All TC Types)
Sampling Rate 1 Second to 60 Minutes (User Selectable)
Data Storage Capacity 20,000,000 (Million) Temperature Points onto 2G SD Card
Display Type: Backlit LCD
Size: 82mm x 61mm (3.23" x 2.4")
Update Rate: Approx. 1 Second
Operating Environment Temperature: 0°C to 50°C
Humidity: 0 to 85% RH
Power Source (8) AA 1.5 Volt AA Alkaline Batteries
9 Volts AC Adapter (Optional)
Power Consumption Backlight and Data Logger Off: Approximately 7.5 mA dc
Backlight Off and Data Logger On: Approximately 25 mA dc
Backlight On and Data Logger On: Approximately 36 mA dc
Status Indicators Over Range and Low Battery
Memory Card SD Memory Card 1 GB to 16GB Compatible
Sensor Probes Type: Type K Beaded Wire Thermocouple
Measurement Range: -20°C to 250°C (-4°F to 482°F)
Data Output MS Excel compatible file on SD Card
Standards Compliance CE
Weight 2.1 lbs (944 grams)
Dimensions 225mm x 125mm x 64mm (8.9" x 4.9" x 2.5")

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  • Answer:

    The operational conditions for this logger are:   

    Temperature: 0°C to 50°C

    Humidity: 0 to 85% RH

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  • Answer:

    Your thermocouple probes can be left in an oven at those temps however the logger itself can't.  The operating environment for the logger is rated at 0°c to a maximum of 50°c and at 0% to 85% rH.  Please keep in mind that long term exposure to the either the extreme high or low will affect the overall life of the product. 

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