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TPI 343 Dual Input Digital Thermometer - Type K

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Plug two type K thermocouples into this thermometer to measure temperature values with a high degree of accuracy.

The display can be changed as needed, either view T1 or T2 as a single channel or alternatively view them both together for easy comparison of temperatures. Users can also change the tester between Celsius and Fahrenheit measurement modes, records and display MAX/MIN temperatures and freeze the reading on the display using the integrated data hold button.

If a probe is loose or disconnected, the 343 will display an OFL alert to show that the connection isn't correct.

TPI 343 Dual Input Digital Thermometer Key Features

  • Dual input - two type K thermocouple ports
  • Thermocouple type indicator
  • Switch between Celsius and Fahrenheit measurement modes
  • Display mode: choose between T1, T2 and T1-T2
  • Record and display MIN/MAX temperatures
  • Protective rubber boot for use in demanding applications
  • Easy to read, large-size digital display
  • OFL display when probes aren't connected correctly
  • On/off button with guard to prevent accidental pressing
  • Data hold function freezes the value on the screen

TPI 343 Technical Specifications

Input Dual K-type thermocouple
Temperature Range -58 to 2462°F (-50 to 1350°C)
Display 0.1°C/°F: up to 999.9°C/°F
1.0°C/°F: above 1000°C/°F
Accuracy ±3°C (±1.6°C) from:
-58 to 32°F (-50 to 0°C)

±0.3% of rdg + 1.8°F from:
32°F to 1100°F (0 to 600°C)

±0.4% of rdg + 1.8°F (1°C) from:
1100°F to 2462°F (600 to 1350°C)
Update Rate 2.5 times/second
Key Buttons On/off, T1, T2, T1-T2, °C, °F, HOLD
Field Calibration By key operation
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature -13 to 158°F (-25 to 70°C)
Battery 9V
Battery Life 200 hours (alkaline)
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Additional Information
Manufacturer Part Code 343

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