TRH-300 series utilizes a thin-film polymer capacitor to sense relative humidity, and a thin-film RTD to accurately sense temperature. 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 )
