Temperature & Humidity Transmitter – ecostar ecoTHS 23/24 Series


  • 2-wire loop design
  • Compact design, good look and easy to install.
  • An economical choice, high C/P ratio.
  • Foreign-made sensor component with high accuracy and
  • long-term stability.


  • Monitoring for HVAC process / air conditioning / environmental ventilation control.
  • Environmental monitoring for building / factory / clean room / Lab.
  • Monitoring for storeroom / crisper / agriculture / food industry.
  • Temperature and humidity measuring in hospital / pharmaceutical industry / textile industry.


Input Capacitive humidity sensor & PT 100 Ω
Measuring range Temperature: 0~50°C ; humidity : 0~100%
Working range Temperature: 0~50°C ; humidity : 0~95%
Output 4~20mA ; 2-wire
Accuracy (at 25°C)
Temperature  ±0.5°C
Humidity ±3%RH (10~90%)
Load resistance ≤ 500Ω
Output calibration (ZERO & SPAN) adjustment range 10% of zero-point and full-range
Response time t90 (at 25°C) < 20S
Media measured air
Media temperature 0~50°C
Storage temperature -25~60°C
Electrical Regulation
Power supply 24VDC ±
Electrical connection TS-504-4P connector
Installation Wall-mounting / duct-mounting
Protection degree IP 54 (Sensor: IP 20)
Electrical protection polarity protection
Certification CE
Housing PC fire-proof class (PC-110)
Probe PC fire-proof class (PC-110)
Weight ecoTHS23: 117g / ecoTHS24: 162g


ecostar ecoTHS 23-24 Series Temperature & Humidity Transmitter–DpstarGroup


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