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Relative Humidity

USB relative humidity sensors with integrated temperature measurement. Available with aluminum protection for harsh environments or exposed sensors for fast response. All USB models include real-time dew point calculation, are compatible with our data acquisition and integration tools, and offer an ISO 17025 calibration option.

PTH450: Dracal USB temperature, relative humidity and atmospheric pressure sensor - Back View - Unique Serial Number PTH450: Improved accuracy (±0.1°C/±1.5 %RH) temperature, relative humidity and atmospheric pressure measuring instrument with USB connection, particle filter and aluminum tip for harsh environments - Front view with USB plug
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PTH450

Robust, high precision USB temperature, humidity and air pressure sensor
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 125 ±0.1
Relative humidity (%RH): 0 to 100 ±1.5
Atmospheric pressure (kPa)

At 25 °C:   

 70 to 110 ±0.15

From 10 to 40°C:   

 70 to 110 ±0.18

From 0 to 40°C:   

 45 to 110 ±0.20
Dew point: Calculated in real-time
  • Internal filter efficiency: >99.99% of particles as small as 200 nm
  • Compact aluminum external protection
  • RoHS3 and CE compliant
  • 3 years warranty
Dracal_PTH420_Back_Unique_Serial_Number PTH420: USB-connected precision (±0.1°C/±1.5 %RH) temperature, relative humidity and atmospheric pressure measuring instrument (sensor) - Front view with cable
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PTH420

Precision USB temperature, relative humidity and atmospheric pressure sensor
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.1
Relative humidity (%RH): 0 to 100 ±1.5
Atmospheric pressure (kPa)

At 25 °C:   

 70 to 110 ±0.15

From 10 to 40°C:   

 70 to 110 ±0.18

From 0 to 40°C:   

 45 to 110 ±0.20
Dew point: Calculated in real-time
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty
PTH200 - Dracal USB temperature, relative humidity and atmospheric pressure sensor - Back View - Unique Serial Number PTH200 - Dracal USB temperature, relative humidity and atmospheric pressure sensor - Front view with USB Plug
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PTH200

All-in-one USB temperature sensor, with relative humidity and atmospheric pressure sensors
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 0 to 100 ±2.0
Atmospheric pressure (kPa)

At 25°C:   

 70 to 110 ±0.15

From 10 to 40°C:   

 70 to 110 ±0.18

From 0 to 40°C:   

 45 to 110 ±0.20
Dew point: Calculated in real-time
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty
TRH450: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor, particle filter and aluminum tip for harsh environments - Front view with USB plug TRH450: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor, particle filter and aluminum tip for harsh environments - Front View with cable.
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TRH450

Robust, high-precision USB temperature sensor with relative humidity
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 125 ±0.1
Relative humidity (%RH): 0 to 100 ±1.5
Dew point: Calculated in real-time
  • Internal filter efficiency: >99.99% of particles as small as 200 nm
  • Compact aluminum external protection
  • RoHS3 and CE compliant
  • 3 years warranty
TRH420: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor - Front View with cable. TRH420: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor - Front View with USB plug
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TRH420

Precision USB temperature and relative humidity sensor
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.1
Relative humidity (%RH): 0 to 100 ±1.5
Dew point: Calculated in real-time
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty
TRH320: Temperature and relative humidity USB sensor - Front view TRH320: Temperature and relative humidity USB sensor - Front View with USB plug
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TRH320

USB temperature and relative humidity sensor
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 0 to 100 ±2.0
Dew point: Calculated in real-time
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty
TRH200: USB Temperature and Relative Humidity Sensor With Exposed End - USB Plug and End
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TRH200

USB temperature and relative humidity sensor with exposed end
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 0 to 100 ±2.0
Dew point: Calculated in real-time

Protection

  • Exposed sensor
  • RoHS3 and CE compliant
  • 3 years warranty
VOC100 - Dracal USB-connected as sensor volatile organic compound (VOC), temperature and relative humidity - Back view - Unique Serial Number VOC100 - Dracal USB-connected as sensor volatile organic compound (VOC), temperature and relative humidity - Front view with USB plug
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VOC100

USB VOC, temperature and relative humidity sensor
SPECIFICATIONS OVERVIEW
Volatile Organic Compounds (ppb): 0 to 32,768 Semi-Quantitative
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 10 to 95 ±2.0
Dew point Calculated in real-time
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty
Dracal temperature and relative humidity probe with an M8 connector - Connector view
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I2C-M8-TRH320

I2C temperature and humidity probe with an M8 connector (12, 100 or 180 cm)
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 0 to 100 ±2.0
  • Available lengths: 12, 100 cm and 180 cm
  • Compatible with our DXC220 CO2 sensor
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 compliant
  • 3 years warranty
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I2C-TRH Series

Pre-wired I2C temperature and humidity probe for OEM applications
SPECIFICATIONS OVERVIEW
Temperature (°C): -40 to 70 ±0.3
Relative humidity (%RH): 0 to 100 ±2.0
  • Available lengths: 100 cm and 180 cm
  • 2-layer filter
  • Efficiency: >99.99% of particles as small as 200 nm
  • RoHS3 and CE compliant
  • 3 years warranty