Z207936-0E
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Alta Labs, Enercept, Enspector, Hawkeye, Trustat, Aerospond, Veris, and the Veris ‘V’ logo are trademarks or registered trademarks of Veris Industries, L.L.C. in the USA and/or other countries.
Other companies’ trademarks are hereby acknowledged to belong to their respective owners.
NOTICE
• This product is not intended for life or safety applications.
• Do not install this product in hazardous or classified locations.
• Read and understand the instructions before installing this product.
• Turn off all power supplying equipment before working on it.
• The installer is responsible for conformance to all applicable codes.
If this product is used in a manner not specified by the manufacturer, the protection
provided by the product may be impaired. No responsibility is assumed by the
manufacturer for any consequences arising out of the use of this material.
Installation Guide
Humidity
Product Identification
Product Overview
The HW2 Protocol Series of humidity sensors for living space is a flexible multisensor platform for use with BAS
controllers designed to accept BACnet and Modbus outputs. HW2 Protocol Series sensors are available with three
user interface options: touchscreen, LCD with three buttons and blank. Humidity and temperature sensors are
included with all HW2 Protocol Series sensors.
* Replaceable 1% with NIST certificate, 2% with NIST certificate and 2% elements available.
HW2 Protocol Series
Wall Mount Humidity Sensors
Specifications
OPERATING ENVIRONMENT
Input Power
Class 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz
Protocol Output
BACnet or Modbus via RS-485, selectable
Operating Temp. Range
0 to 50 °C (32 to 122 °F)
Operating Humidity Range
0 to 95% RH non-condensing
Housing Material
High-impact ABS plastic
Terminal Block Torque
0.5 to 0.6 N-m (0.37 to 0.44 in-lbf)
IP Rating
IP 30
RH TRANSMITTER
HS Sensor
Thin-film capacitive, replaceable
Accuracy
±2% from 10 to 80% RH @ 25°C (77 °F)
Hysteresis
1.5% typical
Stability
±1% @ 20°C (68 °F) annually for 2 years
Output Range
0 to 100% RH
Temperature Coefficient
±0.1% RH/°C above or below 25 °C (77 °F) typical
TEMPERATURE TRANSMITTER
Sensor Type
Solid state, integrated circuit
Accuracy
±0.2 °C (±0.4 °F) typical
Resolution
0.1 °C (0.1 °F)
Range
0 to 50 °C (32 to 122 °F)
HW2TPxxx
HW2LPxxx
HW2XPxxx
Model
User Interface
RH*
Temperature
Setpoint
Override
HW2TP2A
Touchscreen
X
X
X
X
HW2LP2A
LCD / 3 Buttons
X
X
X
X
HW2XP2A
Blank
X
X
