Enhanced precision 2/3-wire RTD probe to USB adapter

Operating range: -200 to +800°C
Accuracy (at 25°C): ±0.005°C
Accuracy (0 to 50°C): ±0.018°C
Resolution (typical): ±0.0001°C
Noise level (at 25°C): ±0.0015°C
Drift (at 25°C and 45%RH): 0.007 ± 0.003°C/year
  • Supports 2 and 3-wire Pt100 RTD sensors
  • Temperature calculation using the DIN 43760 coefficients
  • RoHS3 compliant

Additional information

  • Free data acquisition toolkit
  • 3-point user calibration mechanism (optional)
  • VCP mode (optional)
  • Traceable to the CNRC (NIST) certificates (optional)


Versatility of Pt100 RTD Probes: The RTD300 is compatible with a variety of 2-wire or 3-wire Pt100 RTD probes, allowing you to choose the probe that best suits your precision and length requirements.

Exceptional Accuracy and Resolution: It provides accuracy to ±0.005°C and a resolution of 0.0001°C, ensuring highly precise temperature measurements.

Noise Reduction: The RTD300 is equipped with a built-in filter to reduce signal noise, ensuring quality data.

Compact “USB Key” Form Factor: Its compact “USB Key” form factor allows for use in tight spaces, offering great flexibility.

High Sampling Rate: It offers a sampling rate of up to 10 samples per second, enabling the rapid capture of precise data.