Main Features

• Capable of capturing both humidity and temperature over extended measurement ranges.
•  Communicates digitally through RS485 interface with Modbus RTU protocol support.
•  Provides detailed environmental values like mixing ratio, absolute humidity, dew point, and frost point.
•  High accuracy: up to ±1.8% RH and ±0.1 °C at 20 °C.
•  Durable stainless-steel enclosure rated IP66.
•  Resistant to harsh media and pressurized systems (up to 20 bar).
•  Sensor coating protects against dust, condensation, and corrosive substances.
•  Available with 200 mm or 400 mm probe length and various cable options.
•  Configurable via PCS10 software or used as part of the modular Sigma 05 system.
•  Humidity range: 0 to 100 % RH (non-condensing).
•  Temperature range: -40 to +120 °C.
•  Humidity accuracy:
  • ±(0.95 + 0.0013 × RH) % for -15 to +40 °C and RH ≤ 90%
  • ±1.8 % RH for -15 to +40 °C and RH > 90%
  • ±(1.05 + 0.0084 × RH) % for -25 to +70 °C
  • ±(1.15 + 0.013 × RH) % for -40 to +120 °C
•  Temperature accuracy: ±0.1 °C at 20 °C.
•  Output signal: RS485, Modbus RTU protocol.
•  Power supply range: 8 to 35 V DC.
•  Sensor response time: <15 seconds (t90 at 20 °C).
•  Enclosure: Stainless steel, IP66 protection.
•  Cable interface: M12 connector with optional high-temperature cable.
•  Pressure rating: Up to 20 bar.

Industrial Applications

•  Humidity and temperature control in drying processes (e.g., wood, textile, paper).
•  Industrial HVAC and climate regulation systems.
•  High-pressure systems exposed to chemical or thermal stress.
•  Environmental monitoring in food, pharma, or manufacturing facilities.
•  Integration into modular sensor hubs like Sigma 05 for expanded control and display.

Manuals & Datasheets

Datasheet of HTP501