Product ID: TRH-301. 302 303 Temperature / Humidity Transmitter ( 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) TRH-300D( Duct Type)_TRH-300W (Wall Type) 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 )
