![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