SERIES RHPX

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Dwyer RHPX Humidity & Temperature Transmitter | BACnet & Modbus HVAC Sensor
Dwyer RHPX Humidity & Temperature Transmitter | BACnet & Modbus HVAC Sensor
Dwyer RHPX Humidity & Temperature Transmitter | BACnet & Modbus HVAC Sensor

ACI A/RH TT HUMIDITY & TEMPERATURE TRANSMITTER | BACnet & 4-20mA COMPATIBLE

The Dwyer Series RHPX is a high-performance humidity and temperature transmitter designed to optimize building control functions by providing precise environmental data while minimizing operational costs.

An accurate humidity and temperature transmitter featuring capacitive polymer sensors with 2% or 3% accuracy and optional digital communication via BACnet or Modbus.

  • Reduced installation costs with multiple on-board sensors
  • Minimal maintenance with UV rated outdoor enclosures
  • UL 2043 compliant allows installation into the plenum space
  • Easy installation with removable terminal block, attached lid, and cable management

 

ACI A/RH TT HUMIDITY & TEMPERATURE TRANSMITTER | BACnet & 4-20mA COMPATIBLE

The Series RHPX provides high-accuracy monitoring with long-term stability in various enclosure styles, including duct, wall, and outdoor configurations. It utilizes a capacitive polymer humidity sensor and can be field-configured to output absolute humidity, relative humidity, dew point, or enthalpy. The device is designed for easy installation with a removable terminal block and hinged lid, and it is UL 2043 compliant for installation in plenum spaces.

PRODUCT USES:

  • Building Automation: Energy management systems and commercial HVAC.
  • Critical Environments: Cleanrooms, data centers, and museums.
  • Outdoor Monitoring: Air economizers and outdoor humidity/temperature reference.
  • Specialized Areas: Pool room humidity monitoring.

 

Technical Sheets

Instruction Manual

Catalog Page

Specifications

ACI A/RH TT HUMIDITY & TEMPERATURE TRANSMITTER | BACnet & 4-20mA COMPATIBLE – KEY SPECIFICATIONS

  • RH Accuracy: Available in ±1%, ±2%, ±3%, or ±5% accuracy tiers.
  • Output Signals: Field-selectable: 4-20 mA (default), 0-5 VDC, or 0-10 VDC.
  • Temperature Ranges: Standard operating range of 32° to 122°F (0° to 50°C) for room units.
  • Supply Voltage: 15-40 VDC or 18-28 VAC depending on load and output type.
  • Calibration: Single-point field calibration via increment/decrement DIP switches (±0.5% RH steps).
  • Enclosure Ratings: NEMA 1 (Room), NEMA 3R/4X (Duct/Outside), or IP66 (Remote).

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