HWLPHTX
- Embedded BACnet and Modbus communication protocols (selectable)
- Configurable to multiple baud rates
- Humidity and temperature sensors in one device at one address...provides more information and maximizes system capacity
- Local feature override capability from the building control system
- Innovative self-calibration algorithm...maximizes performance
- Field calibratable
- Input Voltage 12 to 30VDC, 24VAC; 100mA max.
- Operating Temperature Range 0° to 50°C (32° to 122°F)
- Housing Material High impact ABS plastic , UL 94 V
- Connection 2-wire RS-485
- Data Rate 9600, 19200, 38400, 57600 (Modbus), bps (selectable) 9600, 19200, 38400, 76800 (BACnet), bps (selectable)
- Parity None/Odd/Even (selectable-Modbus). None (BACnet)
- Address Range 1-127
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- RH Transmitter:
- HS Sensor Replaceable digitally profiled thin-film capacitive (32-bit mathematics); U.S. Patent 5,844,138
- Accuracy* ±2% from 10 to 80% RH;
- Reset Rate** 24 hours
- Stability ±1% @ 20°C (68°F) annually for two years
- Hysteresis 1.5% typical
- Operating Humidity Range 0 to 100% RH, noncondensing
- Operating Temperature Range 10° to 35°C (50° to 95°F)
- Temperature Coefficient ±0.1% RH/°C above or below 25°C (typical)
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- Temperature Transmitter:
- Sensor Type Solid-state, integrated circuit
- Accuracy ±0.5°C (±1°F) typical
- Resolution 0.1°C (0.2°F)
- Range 10° to 35°C (50° to 95°F)
- Slider:
- Resolution 1% full scale
- Override button Remotely readable and resettable
- * Specified accuracy with 24VDC supplied power with rising humidity.
- ** Reset rate is the time required to recover to 50% RH after exposure to 90% RH for 24 hours.
- Note: RTD/Thermistors in wall packages are not compensated for internal heating of product.
