Submittal Sheet

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Humidity Monitoring | Analog Humidity Sensors
HW2 SERIES
Wall Mount Humidity Sensors
The HW2 Series of humidity sensors for living space is a flexible
multisensor platform for use with BAS controllers designed to accept
4 to 20mA, 0 to 5Vdc or 0 to 10Vdc outputs. HW2 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 Series sensors.
OPERATING ENVIRONMENT
Input Power Class 2; 20 to 30 Vdc, 24 Vac, 50 to 60 Hz
Analog Output Selectable 4 to 20 mA, 0 to 5 V, 0 to 10 V
Operating Temperature 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 OPTION
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)
DISPLAY MODELS
Touchscreen
61 mm (2.4 in), color, backlit, capacitive,
240x300 px
Setpoint: 0-10 Vdc. Temperature, humidity or
fan speed selectable
Timeout override: Display timeout*
Lockout override: Touchscreen/button
lockout*
LCD
52mm (2.05 in), segmented with 3 buttons
Setpoint: 0-10Vdc. Temperature, humidity or
fan speed selectable
Timeout override: Display timeout*
Lockout override: Touchscreen/button
lockout*
SPECIFICATIONS
HW2Txxxx HW2Lxxxx HW2Xxxxx
SETPOINTS**
Temperature Setpoint
0 to 10V output
Scale: 10 to 35 °C (50 to 95 °F) /
0 to 50 °C (32 to 122 °F)
Humidity
Setpoint
0 to 10V output
Scale: 0 to 100% RH
Fan Speed
Setpoint
0 to 10V output
Off 0V, Auto 1.5V, Low 3.3V, Med. 6.7V, High
10.0V
OVERRIDE
Override Button
Display models feature
momentary-to-ground override button
WIRING TERMINALS
Terminal Blocks Screw terminals, 18-24 AWG
Screw Terminal Torque 0.2 N-m (2.0 in-lbF) max.
WARRANTY
Limited Warranty 5 years
COMPLIANCE INFORMA-
TION
Agency Approvals
UL 916, European conformance CE:
EN61000-6-2
EN61000-6-3
EN61000 Series - industrial immunity
EN 61326-1
FCC Part 15 Class B, REACH, RoHS, RCM
(Australia), ICES-003 (Canada)
*DIP switch selectable..
** One setpoint type is selectable via DIP
switch on display models only.
Sensor element
Thin-lm capacitive sensor
element recovers from
100% saturation
Field replaceable
Replace element in the eld…
maintain accuracy and minimize
downtime
Interchangable
element
Fully interchangeable element
to 1% or 2% accuracy with
NIST calibration certicate…no
calibration
Easy to install
Large wiring terminals on
baseplate and snap-on covers
with security screw simplify
installation and service
Flexible
Polarity insensitive, two-wire
4 to 20 mA or 3-wire 0-5/0-10
Vdc versions…exible systems
compatibity…save time in the
eld, stock fewer devices
Calibration free
Calibration-free interchangeable
NIST traceable HS element
APPLICATIONS
• Controlling HVAC systems for
improved comfort and energy
savings
• Museums, schools, printing
shops, and other locations
requiring humidity control
• Facilitating compliance
with ASHRAE standards for
environmental control and
indoor air quality
HQ0007678.F 0921