Model: AI-RHT1-PH

Temperature Humidity Transmitter (Built-In Sensor)

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Ensure room temperature and humidity (T+RH) monitoring with high accuracy and fast response with the Ace Instruments Temperature Humidity Transmitter (AI-RHT1-PH). Housed in a durable IP65 enclosure with built-in digital sensors, it is the ideal solution for monitoring across industries including manufacturing in pharmaceutical, food, and HVAC applications. Available with a programmable buzzer alarm and RS-485 Modbus communication for reliable environment control to maintain building standards and air quality.

Applications include: smart buildings and industrial control, including meeting continuous warehouse monitoring requirements for GDP compliance and in server rooms for the IT industry.


  • Built-in Swiss digital T+RH sensor 
  • Fast response and high accuracy monitoring 
  • Durable IP65 rated housing 
  • RS-485 Modbus communication for integration with BMS/EMS 
  • Programmable buzzer alarm with acknowledgement key




Digital Temp+RH sensor (Switzerland)


0.0 to +50.0°C (Customizable)

Accuracy: ± 0.5°C

Resolution: 0.1°C

Relative Humidity

0.0 to 100.0% RH

Accuracy: ± 1.8%RH between 10 to 95% RH± 2%RH for all other ranges

Resolution: 0.1%


RS-485 Modbus Communication


Wall mounting IP65 enclosure with built-in sensor


In-built programmable buzzer alarm

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