Products

Environmental Temperature and Humidity Transmitter

Brand TECPEL | Model TRH-303 | 🇹🇼 Taiwan
The TRH-303 temperature and humidity transmitter features the following: - Supports 4 ~ 20mA or 0 ~ 10V, 0 ~ 5V, 0 ~ 1V, and other signal output formats. - Protection rating up to IP 65, suitable for various environments. - The connection point is designed as a waterproof quick connector for easy installation. - The humidity sensor has an annual stability drift of approximately 1%RH.
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Description

The TRH-303 Temperature and Humidity Transmitter is capable of simultaneously measuring temperature and relative humidity, transmitting data via voltage or current signals to display panels or backend systems. This device utilizes a high-precision film type capacitive sensor, ensuring stable operation in environments with humidity, dust, grease, and chemical agents, guaranteeing the reliability of measurement results. The TRH-303 is part of the TRH-300 series and is suitable for various environmental monitoring needs.

Specifications

  • Sensor TypePlatinum Resistance, IEC751
  • Temperature Range0~100 °C / -20~80 °C / -50~50 °C / -40~60 °C [Select at purchase]
  • Humidity0~100% RH (0~70 °C range)
  • Weight±0.3 °C / ±3 %RH
  • Accuracy°C (Effect @ 0% RH) / ±0.008% RH
  • Auto Temperature CompensationApprox. 15 seconds (to reach 90% accuracy at 25 °C with airflow > 0.5 m/s)
  • Response Time約 15 秒 (可達90% 準確度,在 25 °C 且環境風流大於 0.5 每秒公尺時)

Features

  • Protection RatingIP 65 (main body structure)
  • Connection Point5-10mm cables waterproof quick connector and terminal block
  • Signal Output4~20mA / 0~1V / 0~5V / 0~10V [must be selected when ordering]
  • Stable PerformanceHumidity sensor annual drift approx. 1%RH

Attributes

  • Operating Temperature0~50°C / Less than 90%RH No condensation.
  • Storage Temperature-10~40°C / Less than 70%RH No condensation.
  • Altitude LimitBelow 1,000 meters
  • Safety RatingDC 12~36V (AC optional)
  • Dimensions92 × 96 × 55 mm (excluding terminals and protrusions)
  • WeightAbout 150 g