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Precisely monitors humidity and temperature for building control functions to optimize occupant comfort and minimize operating costs. Features a small enclosure, duct mount sensor configuration, selectable analog output and LCD display.
Precisely monitors humidity and temperature for building control functions to optimize occupant comfort and minimize operating costs. Features a small enclosure, duct mount sensor configuration, selectable analog output and LCD display.
Equipped with capacitance polymer humidity sensors, the RHPX-2SDA0-00-LCD offers ±2% accuracy. Features a duct mount with plenum plastic probe and hydrophobic filter sensor configuration, selectable analog output, and two-line alphanumeric LCD display. With high accuracy, long-term stability, and reliable operation in various enclosure styles, the RHPX is ideal for building energy management systems, commercial HVAC systems, clean rooms, museums, and data centers. It can also be configured to provide absolute or relative humidity, dew point, or enthalpy.
Features
Applications
| Humidity Measurement Range | 0% to 100% humidity. |
| Temperature Measurement Range | -40 to 60°C (-40 to 140°F) |
| Humidity Sensor Accuracy | ±2 % at 10 % - 90 % RH and 25 °C (77°F) |
| Temperature Sensor Accuracy, Solid State Band Gap: | ±0.9°F (±0.5°C at 25°C) |
| Temperature Sensor Accuracy, Thermistor: | ±0.2°C at 25°C (±0.36°F at 77°F) (analog models only) |
| Temperature Sensor Accuracy, RTD: | DIN Class B: ±0.3°C at 0°C (±0.54°F at 32°F) (analog models only) |
| Resolution: Relative humidity: | 0.1%; temperature: 0.1°F/°C; absolute humidity: 0.1 g/m3 |
| Humidity Analog Output | 4-20 mA or 0-5 V dc, 0-10 V dc at 5 mA max, field selectable |
| Active Temperature Analog Output | 4-20 mA or 0-5 V dc, 0-10 V dc at 5 mA max, field selectable |
| Passive Temperature Sensors | Types II and III: Solid state band gap; Curves A, B, and F: Thermistor; Curves D and E: Platinum RTD DIN BS, BACnet MS/TP protocol or Modbus® RTU (communicating models only) |
| Network Communication | BACnet MS/TP protocol or Modbus® RTU (communicating models only) |
| Supported BAUD Rates | 9600, 19200, 38400, 57600, 76800, 115200 (communicating models only) |
| Termination Load | 120 Ω (communicating models only) |
| Operating Temperature Range | -40 to 60°C (-40 to 140°F); With LCD: -20 to 60°C (-4 to 140°F) |
| Power Requirements | Communications model: 14 to 35 Vdc or 10 to 32 Vac; Analog model: 4-20 mA: 10 to 35 Vdc; Vout: 15 to 35 Vdc or 15 to 29 Vac |
| Wiring Connection | Removable terminal block |
| Electrical Entry | 1/2” NPS thread. Cable gland included |
| Enclosure Material | UL 94 V-0 |
| Enclosure Rating | IP66 |
| Optional Display | Two (2) lines of alphanumeric characters with eight (8) characters per line |
| Weight: Duct | 198.4 g (0.44 lb); wall mount: 170 g (0.38 lb); large housing: 340.2 g (0.75 lb); large housing with radiation shield: 1724.7 g (2.75 lb) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F); With LCD: -30°C to 70°C (-22°F to 158°F) |
| Additional calculations | Absolute humidity: (0 to 50) g/m3 or (0 to 3000) lb/mmcf; dew point -75 °C to 60 °C (-102 °F to 140 °F); enthalpy (40 to 411) kj/kg (or -1 to 177 Btu/lb) |
| Compliance | BTL, CE, UL 2043*, UL-60335-2-40** |
| Humidity Measurement Range | 0% to 100% humidity. |
| Temperature Measurement Range | -40 to 60°C (-40 to 140°F) |
| Humidity Sensor Accuracy | ±2 % at 10 % - 90 % RH and 25 °C (77°F) |
| Temperature Sensor Accuracy, Solid State Band Gap: | ±0.9°F (±0.5°C at 25°C) |
| Temperature Sensor Accuracy, Thermistor: | ±0.2°C at 25°C (±0.36°F at 77°F) (analog models only) |
| Temperature Sensor Accuracy, RTD: | DIN Class B: ±0.3°C at 0°C (±0.54°F at 32°F) (analog models only) |
| Resolution: Relative humidity: | 0.1%; temperature: 0.1°F/°C; absolute humidity: 0.1 g/m3 |
| Humidity Analog Output | 4-20 mA or 0-5 V dc, 0-10 V dc at 5 mA max, field selectable |
| Active Temperature Analog Output | 4-20 mA or 0-5 V dc, 0-10 V dc at 5 mA max, field selectable |
| Passive Temperature Sensors | Types II and III: Solid state band gap; Curves A, B, and F: Thermistor; Curves D and E: Platinum RTD DIN BS, BACnet MS/TP protocol or Modbus® RTU (communicating models only) |
| Network Communication | BACnet MS/TP protocol or Modbus® RTU (communicating models only) |
| Supported BAUD Rates | 9600, 19200, 38400, 57600, 76800, 115200 (communicating models only) |
| Termination Load | 120 Ω (communicating models only) |
| Operating Temperature Range | -40 to 60°C (-40 to 140°F); With LCD: -20 to 60°C (-4 to 140°F) |
| Power Requirements | Communications model: 14 to 35 Vdc or 10 to 32 Vac; Analog model: 4-20 mA: 10 to 35 Vdc; Vout: 15 to 35 Vdc or 15 to 29 Vac |
| Wiring Connection | Removable terminal block |
| Electrical Entry | 1/2” NPS thread. Cable gland included |
| Enclosure Material | UL 94 V-0 |
| Enclosure Rating | IP66 |
| Optional Display | Two (2) lines of alphanumeric characters with eight (8) characters per line |
| Weight: Duct | 198.4 g (0.44 lb); wall mount: 170 g (0.38 lb); large housing: 340.2 g (0.75 lb); large housing with radiation shield: 1724.7 g (2.75 lb) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F); With LCD: -30°C to 70°C (-22°F to 158°F) |
| Additional calculations | Absolute humidity: (0 to 50) g/m3 or (0 to 3000) lb/mmcf; dew point -75 °C to 60 °C (-102 °F to 140 °F); enthalpy (40 to 411) kj/kg (or -1 to 177 Btu/lb) |
| Compliance | BTL, CE, UL 2043*, UL-60335-2-40** |
