TRH-301, 302, 303 Temperature / Humidity Transducer Product ID: TRH-301, 302, 303
TRH-300 series utilizes a thin-film polymer capacitor to sense relative humidity, and a thin-film RTD to accurately sense temperature
TRH-301 Temperature transmitter
TRH-302 Humidity transmitter
TRH-303 Temp./humi. Transmitter
Fast, stable and accurate.
Watertight enclosure.
Compact size, Easy mounting.
Excellent Long-term stability.
Wide input voltage range.(12Vdc~40Vdc)
Available with either Current or Voltage output.
On-site, Two point calibration. (Zero and span)
- Specification:
- TRH-301, 302, 303 Measuring Range:
- 0~100°C (-20~+80°C, 0~50°C, -40~+60°C available)
- 0~100% RH
- Accuracy: (at 25°C)
- ±2% RH, ±0.3°C
- stability:
- Better than 1% RH per year (Typical)
- Temperature compensation:
- ±0.008% RH / °C (Effect @ 0% RH)
- Response time:
- < 15 seconds (90% at +25°C in moving air at 0.5 M/S )
- Senosr Humidity: Thin-film capacitor
- Temperature: RTD Pt 100 Ohm DIN, IEC751
- Signal output: Humi: 4~20mA Two wire
- Temp: 4~20mA Two wire (selectable)
- Selectable output signal : 0 to 1 V, 0 to 5 V, 0 to 10 V or 1 to 5V. (option)
- Working Voltage:12~36 VDC
- Sensor protection: Sensor filter, Part No. TR-3066. (option )
- ABS plastic watertight enclosure (IP 65)
- Connection Liquid-tight nylon, cable Bushing: 5-10mm cables
- Working ambient: -40~+85°C (-40~+185°F)
- Weight: Approx. 150 g
- Ordern Information:
- Model :
- TRH-301 Temperature transmitter
- TRH-302 Humidity transmitter
- TRH-303 Temp./humi. Transmitter
- Shape (Mounting)
- W : Wall Mount Type
- D : Duct mount Type
- S: Separated Type
- Specify: Measuring ranges and output signal Current 4~20mA or Voltage (Option 0~1V, 0~5V, 0~10V, 1 ~5V )