USB-PTH450

Specifications

Temperature

• Probe operating range:^[1] -40°C to 125°C
• Accuracy:
  • ±0.1°C (20°C to 60°C)
  • ±0.2°C (-40C to 20°C)
  • ±0.4°C (60°C to 125°C)
• Resolution: 0.01°C (typical)
• Repeatability: 0.08°C (typical)

Relative humidity

• Operating range: 0 to 100 %RH
• Accuracy: (at 25°C)
  • Typical accuracy from 0 to 80°C: ±1.5% from 0 to 70 %RH
  • Minimum accuracy at 25°C: ±2.0% from 0 to 80 %RH,
    ±3.0% from 90 to 100 %RH
• Resolution: 0.01 %RH (typical)
• Repeatability: 0.1 %RH

Atmospheric (Barometric) Pressure

• Operating range: 1 to 120 kPa (10 to 1200 mbar)
• Accuracy: ±0.15 kPa at 25°C (1.5 mbar)
• Resolution: 0.0065 kPa (0.065 mbar)
• Internal factory calibrated coefficients
• ADC resolution: 24 bits
• Altitude resolution: approx. 10 cm
• Sensor IC: MS5611

Internal filter

• Material: PTFE membrane
• Efficiency: >99.99% for particles of 200 nm

Miscellaneous

• Sensor cable material: Silicon
• Sensor housing: Anodized aluminium
• USB cable length: 1 meter (3 ft.)
• Operating temperature range (USB cable interface): 0°C to 70°C
• Powered through USB
• This product can operate at 100 %RH but is not waterproof. Protect the sensor and CPU against direct exposure to water or snow. Extra housing may be required depending on the application.
• It is recommended to install the probe pointing down to reduce the risk of water infiltration or build-up in the probe.

Available channels

(As displayed in our logging software DracalView)

^* Channel Id as it appears in DracalView. Virtual channels Id differs in DracalView and dracal-usb-get.