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Humidity / Temperature Transmitters
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced,
published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be
used without specific, written prior permission from Dwyer Instruments, Inc.
©Copyright 2011 Dwyer Instruments, Inc.
Humidity Product Family
►Multiple Mounting Configurations
Duct Mount
Wall Mount
Outside Air
Remote Sensor
Compact Housing
Hazardous Locations
Humidity Sensor Specifications
►Capacitive Polymer Sensor
Relative Humidity Range: 0-100% RH
Response Time: 15 Seconds
Sensor Recovers 100% From Saturation
Factory Calibrated Field Replaceable Sensors (except Series WHT)
Humidity Sensor Specifications
►Accuracy
2% Models: ± 2% @ 10-90% RH
3% Models: ± 3% @ 20-80% RH
►Temperature Limits
Temperature Range: -40 to 140° F (-40 to 60˚C)
Compensated Temperature Range: -4 to 140° F (-20 to 60˚C)
Wall Mount Humidity
►Wall Mount Optional Remote or Integral LCD
Display
Universal Current / Voltage Output for Humidity and Temperature
Resistive Temperature Outputs Available
Replaceable Sensors
Well Ventilated for More Accurate Measurements
Duct Mount Humidity
►Duct Mount
Weather resistant PBT Construction
Dual Temperature & RH Output
► Optional Display Reads Both Temperature & Relative Humidity
Field Replaceable Sensor Cap or Filter
Twist-Off Cover, No Screws
Available With Sintered Filter
Outside Air Humidity
►Outdoor Air
NEMA 4X / IP65 Housing
Field Replaceable Sensor
Multiple Knock Outs for Conduit
Screws Anchored Inside Lid Top
Available with Stainless Steel Sintered Filter
Remote Mount and Compact Housing
►Remote Sensor (Series RH-R) Low Profile Sensor
Protect Electronics From High Temperatures
Field Replaceable Cable & Sensor
►Compact Housing (Series WHT) Sintered Filter Protects Sensor
Watertight Housing
Integral Mounting Ears
Hazardous Area Transmitters
► Explosion-Proof (Series HHT-E)
FM Approved for Class I Div 1 Groups B,C,D, Class II Div 1 Groups E,F,G, Class III Div 1
Humidity Transmitter Only
Optional LCD Display
► Intrinsically-Safe (Series HHT-I)
Must be Used with KFD0-SCS-EX1.55 Galvanic Isolator
FM Approved for Class I Div 1 Groups B,C,D, Class II Div 1 Groups E,F,G, Class III Div 1 T4
Humidity or Humidity / Temperature Model
Applications
► Wall Mount Humidity / Temperature Transmitter mounted in a room sends signal to controller on VAV system to adjust amount of air flow supplied to the space.
Applications
►Duct Mount Humidity / Temperature Transmitter monitors the humidity of the supply air after a humidifier and the humidity in return duct for economizer applications
Applications
►Outside Air Humidity / Temperature transmitter used to determine if additional hot or cold water needs to feed AHU
Questions
To order a free catalog or for more information contact;
Dwyer Instruments, Inc., P.O. Box 373, Michigan City, IN., 46361
Telephone: (800) 872-9141 or (219) 879-8000 Fax: (219) 872-9057
Internet address: www.dwyer-inst.com E-mail: [email protected]