![PTH450: Dracal USB temperature, relative humidity and atmospheric pressure sensor - Back View - Unique Serial Number](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH450_Back_Unique_Serial_Number-1024x1024.png)
![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](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH450_Front_With_USB_Plug-1024x1024.png)
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PTH450
Robust, high precision USB temperature, humidity and air pressure sensor
Typical operating range and precision
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 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- Internal filter efficiency: >99.99% of particles as small as 200 nm
- Compact aluminum external protection
![Dracal_PTH420_Back_Unique_Serial_Number](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH420_Back_Unique_Serial_Number-1024x1024.png)
![PTH420: USB-connected precision (±0.1°C/±1.5 %RH) temperature, relative humidity and atmospheric pressure measuring instrument (sensor) - Front view with cable](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH420_Front_With_Cable-1024x1024.png)
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PTH420
Precision USB temperature, relative humidity and atmospheric pressure sensor
Typical operating range and precision
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 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![PTH200 - Dracal USB temperature, relative humidity and atmospheric pressure sensor - Back View - Unique Serial Number](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH200_Back_Unique_Serial_Number-1024x1024.png)
![PTH200 - Dracal USB temperature, relative humidity and atmospheric pressure sensor - Front view with USB Plug](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_PTH200_Front_With_USB_Plug-1024x1024.png)
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PTH200
All-in-one USB temperature sensor, with relative humidity and atmospheric pressure sensors
Typical operating range and precision
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 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![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](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH450_Front_With_USB_Plug-1024x1024.png)
![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.](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH450_Front_With_Cable-1024x1024.png)
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TRH450
Robust, high-precision USB temperature sensor with relative humidity
Typical operating range and precision
Temperature (°C): | -40 to 125 | ±0.1 |
Relative humidity (%RH): | 0 to 100 | ±1.5 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- Internal filter efficiency: >99.99% of particles as small as 200 nm
- Compact aluminum external protection
![TRH420: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor - Front View with cable.](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH420_Front_With_Cable-1024x1024.png)
![TRH420: Improved accuracy (±0.1°C/±1.5 %RH) temperature and relative humidity USB sensor - Front View with USB plug](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH420_Front_With_USB_Plug-1024x1024.png)
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TRH420
Precision USB temperature and relative humidity sensor
Typical operating range and precision
Temperature (°C): | -40 to 70 | ±0.1 |
Relative humidity (%RH): | 0 to 100 | ±1.5 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![TRH320: Temperature and relative humidity USB sensor - Front view](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH320_Front-1024x1024.png)
![TRH320: Temperature and relative humidity USB sensor - Front View with USB plug](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_TRH320_Front_With_USB_Plug-1024x1024.png)
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TRH320
USB temperature and relative humidity sensor
Typical operating range and precision
Temperature (°C): | -40 to 70 | ±0.3 |
Relative humidity (%RH): | 0 to 100 | ±2.0 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![](https://www.dracal.com/wp-content/uploads/2024/02/Dracal_TRH200_Front_with_USB_Plug-1024x1024.png)
![TRH200: USB Temperature and Relative Humidity Sensor With Exposed End - USB Plug and End](https://www.dracal.com/wp-content/uploads/2022/09/Dracal_TRH200_Exposed_End_With_USB_Plug-1024x1024.png)
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TRH200
USB temperature and relative humidity sensor with exposed end
Typical operating range and precision
Temperature (°C): | -40 to 70 | ±0.3 |
Relative humidity (%RH): | 0 to 100 | ±2.0 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- Exposed sensor
![RS232-Tenki: Dracal RS232 barometer](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_RS232-Tenki-1024x1024.png)
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RS232-Tenki
RS-232 barometer
Pressure
Range: | 15 to 115 kPa | |
Accuracy: | 2% MV Max from 0° to 85°C | |
Resolution: | ±0.1 kPa |
Communication protocol: RS-232
![Dracal CO2 reader DXC220 with short temperature and relative humidity probe (USB connector view)](https://www.dracal.com/wp-content/uploads/2022/08/Dracal_CO2_DXC220_With_Probe_and_USB-1024x1024.png)
![Dracal CO2 reader DXC220 (USB connector view)](https://www.dracal.com/wp-content/uploads/2022/11/Dracal_CO2_DXC220_with_USB-1024x1024.png)
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DXC220
USB carbon dioxide (CO2) sensor, 20%
Typical operating range and precision
Carbon dioxide (CO2): | 0-20 % | ±70 ppm ±5% of reading |
Temperature (°C): | -40 to 70 | ±0.3 |
Relative humidity (%RH): | 0 to 100 | ±2.0 |
![VOC100 - Dracal USB-connected as sensor volatile organic compound (VOC), temperature and relative humidity - Back view - Unique Serial Number](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_VOC100_Back_Unique_Serial_Number-1024x1024.png)
![VOC100 - Dracal USB-connected as sensor volatile organic compound (VOC), temperature and relative humidity - Front view with USB plug](https://www.dracal.com/wp-content/uploads/2022/07/Dracal_VOC100_Front_With_USB_Plug-1024x1024.png)
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VOC100
USB VOC, temperature and relative humidity sensor
Typical operating range and precision
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 |
- Monitors dew point
- RoHS3 and CE compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![](https://www.dracal.com/wp-content/uploads/2021/01/I2C_TRH320_M8_P100-1024x1024.png)
![Dracal temperature and relative humidity probe with an M8 connector - Connector view](https://www.dracal.com/wp-content/uploads/2022/09/Dracal_I2C-M8-TRH320_Probe_Connector_View-1024x1024.png)
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I2C-M8-TRH320
I2C temperature and humidity probe with an M8 connector (12, 100 or 180 cm)
Typical operating range and precision
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
- RoHS3 compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm
![](https://www.dracal.com/wp-content/uploads/2021/01/I2C-TRH320-P100-1024x1024.png)
![](https://www.dracal.com/wp-content/uploads/2021/01/I2C-TRH320-P100-1024x1024.png)
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I2C-TRH Series
Pre-wired I2C temperature and humidity probe for OEM applications
Typical operating range and precision
Temperature (°C): | -40 to 70 | ±0.3 |
Relative humidity (%RH): | 0 to 100 | ±2.0 |
- Available lengths: 100 cm and 180 cm
- RoHS3 compliant
Protection
- 2-layer filter
- Efficiency: >99.99% of particles as small as 200 nm