RIXEN > TRH-300 Series

Digital Thermometer

  • Accurate relative humidity
    and temperature measurement
    (IP65 dust and water proof)
  • Current or voltage outputs
  • Available as wall, duct or separated
    mounting types
TRH-301 :
Temperature Transmitter
TRH-302 :
Humidity Transmitter
TRH-303 :
Temp. and Humidity Transmitter
TRH-300DF :
1/2” NPT male connection for high Pressure use
Specifications of TRH-300
Model No. TRH-300
Measurement Range 0 ~ 100% RH
0 ~ 100℃ (-20 ~ +80℃, 0 ~ 50℃, -40 ~ +60℃ available)
Accuracy (At 25℃) ± 2 % RH, ±0.3℃ (※Power supply = 24VDC)
Long-term stability Batter than 1% RH per year (Typical)
Temp. Compensation ± 0.008% RH/℃ (Effect @ 0 % RH)
Response <15 seconds (90 % at +25℃ in moving air over 0.5 M/S)
Sensors Humidity : Thin-film capacitor
Temperature : RTD Pt 100Ω IEC 751, DIN43760
Output Current output: Humidity: 4 ~ 20 mA Two wire
Temperature: 4 ~ 20 mA Two wire
Temperature: 0 to 1V, 0 to 5V, 0 to 10V or 1 to 5V, Selectable
※Other scales possible upon request
Fine adjustment Zero and Span adjustable by spare potentiometer
Power Supply 12 ~ 40V DC, >150 mA
Housing / Protection ABS plastic watertight enclosure (IP 65)
Cable gland Liquid-tight nylon, cable Bushing: 5-10mm
Ambient Temperature - 40 ~ +85℃ (- 40 ~ +185℉)
Weight Approx. 150g

※ Specifications are subject to change without notice