Flow Sensors, Fume Hood Monitors, Air Flow Switches, Air Velocity Transmitters, Humidity Switches, Humidity/Temperature Transmitters, Carbon Dioxide Transmitters, Gas Sensing Transmitters, Occupancy Sensors

Showing all 16 results

Series 160 , DWYER Stainless Steel Pitot Tube

Series 160 , DWYER Stainless Steel Pitot Tube

FEATURES/BENEFITS

  • Low sensitivity to misalignment up to 15 degrees
  • No calibration needed due to ASHRAE tip design
  • Silver soldered connections for leak-proof operation
  • 5/16″ models rated to 1500°F (815.5°C)

APPLICATIONS

  • Monitor or control air velocity or air flow when combined with differential pressure gage, switch or transmitter

Model 166T , DWYER Telescoping Stainless Steel Pitot Tube

Model 166T | DWYER
Telescoping Stainless Steel Pitot Tube

FEATURES/BENEFITS

  • Adjustable length can replace up to 5 fixed length Pitot tubes
  • Stainless steel construction resists corrosion
  • 1.8″ diameter hemispherical tip has 1.0 flow coefficient

APPLICATIONS

  • Monitor or control air velocity or air flow when combined with differential pressure gage, switch, or transmitter where varying lengths are needed

SERIES EOS , DWYER , WIRELESS OCCUPANCY SENSOR

SERIES EOS | DWYER

WIRELESS OCCUPANCY SENSOR
With EnOcean® Technology, Ceiling or Wall Mount

FEATURES/BENEFITS
• Energy harvesting, no power supply or batter necessary
• Ceiling mount option for a large coverage area or flat wall/corner mount in one design
• Energy and cost savings by determining if lights or HVAC should be turned off based on room occupancy
• Meets North American and European standards
APPLICATIONS
• Lighting or HVAC control
• Feedback to building management system that a space is occupied

SERIES CDTV , DWYER , CARBON DIOXIDE/VOLATILE ORGANIC COMPOUND TRANSMITTER

SERIES CDTV | DWYER

CARBON DIOXIDE/VOLATILE ORGANIC COMPOUND TRANSMITTER
Simultaneously Outputs Both CO2 / VOC

FEATURES/BENEFITS
• Combination VOC and CO2 outputs reduce labor and material costs
• Single beam dual wavelength NDIR CO2 sensor allows for use in spaces that
may be occupied 24 hours a day
• VOC output is correlated to be equivalent to CO2 measurements
• Ventilate using ASHRE’s occupancy-based VRP Algorithm
APPLICATIONS
• HVAC applications in hospitals, schools, and commercial buildings
• Demand control ventilation
• Odor control
• Waiting rooms or other spaces that may be occupied 24 hours a day

SERIES GSTA & GSTC , DWYER ,CARBON MONOXIDE/NITROGEN DIOXIDE GAS TRANSMITTER

SERIES GSTA & GSTC | DWYER

CARBON MONOXIDE/NITROGEN DIOXIDE GAS TRANSMITTER
High Accuracy Electrochemical Sensor, Universal Output or BACnet & Modbus® Communication Protocol Options

FEATURES/BENEFITS
• Industrial grade replaceable CO or NO2 sensors
• Field selectable current or voltage output on GSTA models, and field selectable
BACnet or Modbus® communication on GSTC models
• Integral LCD display option
• Service display tool for set-up and calibration of models without a LCD
APPLICATIONS
• Garage or loading dock ventilation
• Mechanical room monitoring

SERIES CDTR , DWYER, CARBON DIOXIDE/RH/TEMPERATURE TRANSMITTER

SERIES CDTR | DWYER

CARBON DIOXIDE/RH/TEMPERATURE TRANSMITTER
NDIR CO2 Sensor, Universal CO2/RH Outputs, Optional Relay

FEATURES/BENEFITS
• Digital Intelligence Temperature Compensation Algorithm (DITCA™) eliminates
error due to the self heating effects of wall mount combination devices.
• Single beam dual wavelength NDIR CO2 sensor
• Replaceable humidity/temperature sensors
• Physical hardware lockout
• Service display tool available for duct mount and wall mount units without an
LCD
• Relay output option
APPLICATIONS
• Demand control ventilation in schools, office buildings, hospitals, and other
indoor environments
• LEED® certification

SERIES CDTA , DWYER ,COMMUNICATING CARBON DIOXIDE DETECTOR

SERIES CDTA | DWYER

COMMUNICATING CARBON DIOXIDE DETECTOR
Measures CO2, Humidity, Temperature, Temperature Set Point, and Override

FEATURES/BENEFITS
• Digital Intelligent Temperature Compensation Algorithm (DITCA™) corrects for
errors due to self heating effects of combination wall sensors
• Field selectable Modbus® and BACnet communications reduces wiring
• Single beam dual wavelength CO2 sensor
• Replaceable humidity/temperature sensor
• Physical hardware lockout
• Optional remote display tool
APPLICATIONS
• Demand control ventilation in schools, office buildings, hospitals, and other
indoor environments
• LEED® certification

SERIES CDT , DWYER ,CARBON DIOXIDE/TEMPERATURE TRANSMITTER

SERIES CDT | DWYER

CARBON DIOXIDE/TEMPERATURE TRANSMITTER
NDIR CO2 Sensor, Universal Outputs, Optional Relay

FEATURES/BENEFITS
• Single beam dual wavelength NDIR sensor eliminates draft due to light source
aging
• Integral passive temperature outputs reduce number of devices mounted in the
space
• Service display tool available for models without an integral LED
• Optional integral display and relay output
APPLICATIONS
• Demand control ventilation in schools, office buildings, hospitals, and other
indoor environments
• LEED® certification

SERIES 657 , DWYER ,RELATIVE HUMIDITY/TEMPERATURE TRANSMITTER

SERIES 657 | DWYER

RELATIVE HUMIDITY/TEMPERATURE TRANSMITTER
Dual Channel Design for Simultaneous 4 to 20 mA Output Signals

FEATURES/BENEFITS
• Polymer film humidity and thin film RTD temperature sensors offer highly
reliable and stable measurements.
• Remote mount housing offers installation flexibility (657-1)
• Rugged die-cast aluminum housing is great for industrial applications (657C-1)
APPLICATIONS
• Cleanroom monitoring
• HVAC/building control monitoring

SERIES RH-R , DWYER , HUMIDITY/TEMPERATURE TRANSMITTER

SERIES RH-R | DWYER

HUMIDITY/TEMPERATURE TRANSMITTER
Remote Mount, Field Replaceable Sensor Filter, Up to 16´ Cable

FEATURES/BENEFITS
• Cable lengths from 4 to 16´
• Remote housing allows for flexibility sensing where space may be limited
APPLICATIONS
• Process system monitoring
• Environmental chambers
• Air economizers

SERIES RHRS , DWYER ,OUTSIDE AIR HUMIDITY RADIATION SHIELD

SERIES RHRS | DWYER

OUTSIDE AIR HUMIDITY RADIATION SHIELD
6 or 10 Plate Design, Integral Pipe Mounting Kit

FEATURES/BENEFITS
• Adjustable sensor mounting collar works with Dwyer RHP sintered filter
outdoor air humidity transmitters or other RH devices
• Universal mount fits 3/4˝ to 1-1/2˝ pipe or flat surfaces
APPLICATIONS
• Building outside air reference
• Weather stations

SERIES RHP-E/N , DWYER , WALL MOUNT HUMIDITY,TEMPERATURE,DEW POINT TRANSMITTER

SERIES RHP-E/N | DWYER

WALL MOUNT HUMIDITY/TEMPERATURE/DEW POINT TRANSMITTER
Optional LCD Display, Replaceable Sensors

FEATURES/BENEFITS
• Field selectable relative humidity or dew point output
• Field replaceable relative humidity and temperature sensor elements
• Universal analog outputs
• Integral or service tool LCD display options
• Two housing designs to match North American and European aesthetics
APPLICATIONS
• Air economizers
• Room comfort monitoring
• Greenhouse monitoring

MODEL 670 , DWYER FUME HOOD MONITOR

MODEL 670 | DWYER

FUME HOOD MONITOR
Ensures Proper Fume Hood Performance

FEATURES/BENEFITS
• Flexible surface or flush mounting
• LED safe and alarm status indicators
• Audible alarm
• Sash alarm input
• Night time set-back
APPLICATIONS
• Fume hood ventilation monitoring