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 WHT | DWYER
WEATHER-RESISTANT HUMIDITY/TEMPERATURE TRANSMITTER
Compact Housing, Sintered Filter2X
FEATURES/BENEFITS
• RH or RH and temperature outputs
• Compact NEMA 3S construction
APPLICATIONS
• Air handling economizers
• Air environment monitoring in agriculture or livestock cultivation houses
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
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
SERIES 641 | DWYER
AIR VELOCITY TRANSMITTER
High Accuracy, Field Selectable Ranges4
FEATURES/BENEFITS
• Ranges from 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS)
• Optional bright LED display
• Easy push button set-up
• Compact housing
• 4 to 20 mA output
• Digital filter for signal damping
APPLICATIONS
• Exhaust stack flow monitoring
• Air control in drying processes
• HVAC air velocity measurements
• Fan supply and exhaust tracking
• Clean room ventilation monitoring
SERIES AVU | DWYER
AIR VELOCITY TRANSMITTER
Ideal for Building Automation Systems, ±5% or ±8% Full Scale Accuracy
FEATURES/BENEFITS
• 4 to 20 mA or 0 to 10 V output versions
• NEMA 6 (IP67) enclosure rating
• AC or DC powered (loop version DC only)
• 5% or 8% accuracy
APPLICATIONS
• Zone control in HVAC systems
• Supply and exhaust fan tracking
• Clean room systems
• Air pollution studies and manufacturing
SERIES AVFS | DWYER
AIR FLOW SWITCH
Monitors Flow in Ducts with Contact Output and Local LED Indication
FEATURES/BENEFITS
• Integral red/green air flow status LED’s
• Flush sensor design limits issues due to dust or particulate in the air flow
• IP65 construction
APPLICATIONS
• Fan monitoring
• Filter monitoring
• Damper feedback
• Air handlers2
MODEL AAFS | DWYER
ADJUSTABLE AIR FLOW PADDLE SWITCH
Ranges from 200 to 1800 FPM, Stainless Steel Vane, ABS Housing
FEATURES/BENEFITS
• Adjustable air flow sensitivity from 200 to 1800 FPM
• High current (15 A) rated SPDT contact
• IP65 enclosure rating
APPLICATIONS
• Air flow proving in HVAC systems
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
SERIES 626 & 628 | DWYER
INDUSTRIAL PRESSURE TRANSMITTER
Complete Offering of Ranges, Connections and Outputs
FEATURES/BENEFITS
• NEMA 4X rated enclosure provides protection in harsh environments permitting
outdoor monitoring or in areas where du
st and particulate matter exists
• Robust 316 SS oil filled sensor provides shock and vibration resistance
insuring stability in controlling pressure f
or process applications
• A wide range of models and connections that can meet pressure measurement
specifications from low to very high
APPLICATIONS
•Compressors
• Pumping systems
• Irrigation equipment
•Hydraulic
• Industrial process monitoring
SERIES 3100 | MERCOID BY DWYER
EXPLOSION-PROOF DIFFERENTIAL PRESSURE TRANSMITTER
HART®, Push Button Configuration, Rangeability (100:1)
FEATURES/BENEFITS
• Configurable using zero/span buttons means no calibrator required reducing
time to install and running.
• Range-ability and selectable engineering units, allows transmitter to fit many
applications reducing the number of different transmitters to meet specifications.
• High accuracy (±0.075%) provides exceptional measurement for insuring tight-
control and minimizing costly out of specification conditions.
• Automatic sensor temperature compensation improves performance of device
for accurate measurement under different operating environments.
• Fail-mode process function stores configuration settings in the event of
shutdown or power-loss provides for faster restart to getting application back
on-line.
• A HART® Communication programmable device provides a reliable, long-term
solution for plant operators who seek the benefits of intelligent devices with
digital communication.
APPLICATIONS
• Flow measurement
• Filter or pump differential pressure
• Level monitoring
• Critical process monitoring
SERIES 629 | DWYER
WET/WET DIFFERENTIAL PRESSURE TRANSMITTER
0.5% Accuracy, NEMA 4X (IP66) Enclosure
FEATURES/BENEFITS
• Versatile, high-accuracy device for liquid or gas supports designs requiring
more precise measurements in support
of application
• Minimum components provide excellent response and reliability
• Span and zero controls reduce installation and service time
• Terminal block reduces wiring difficulties saving installation time
• Optional LED indicator provides local status to identify operational conditions.
• Optional 3-way valve manifold supports higher line pressures or simplifying
removal of transmitter without interruptin
g process
APPLICATIONS
• Flow elements
• Heat exchangers
• Filters
• Coils
• Chiller
• Pumps
SERIES 645 | DWYER
WET/WET DIFFERENTIAL PRESSURE TRANSMITTER
±0.25% Accuracy, Quick Response, 2-Wire Design
FEATURES/BENEFITS
• Versatile, high-accuracy device for liquid or gas supports designs requiring
more precise measurements in support
of application
• Optional 3-way valve manifold supports simplifying installation or removal of
transmitter without interrupting process
APPLICATIONS
• Process control
• Filter monitoring
• Refrigeration equipment
• Pump speed control
• HVAC equipment
• Liquid level measurement2
SERIES 647 | DWYER
WET/WET DIFFERENTIAL PRESSURE TRANSMITTER
Ranges from 0 to 25 in w.c., ±1.0% Accuracy, NEMA 4 (IP56) Enclosure, 2-Wire
FEATURES/BENEFITS
• Versatile for liquid or gas supports designs requiring more precise
measure
ments in support of application
• Temperature compensated improves performance of device for accurate
measure
ment under different operating environments.
• Output signal provides capability to interface with automation systems to
centralize
monitoring
APPLICATIONS
• Flow
• HVAC automation
• Process control
• Pneumatic systems
SERIES 616WL | DWYER
DIFFERENTIAL PRESSURE TRANSMITTER
LOW RANGES DOWN TO 0.25 IN W.C. (60 PA), NEMA 4X HOUSING (IP66)
FEATURES/BENEFITS
• NEMA 4X rated enclosure provides protection in harsh environments permitting
outdoor monitoring or in areas where dust and particulate matter exists
• Easy to read LCD display provides immediate local alerts allowing corrective
action to be taken quicker to eliminate the problem from becoming widespread
• Zero and span controls provides easy calibration checks and shorter installation
time to get device running and monitoring
• High precision accuracy at low pressure ranges provides exceptional accuracy
for insuring tight-control and minimizing costly out of specification conditions
APPLICATIONS
• Low pressure applications
• Outdoor HVAC
• Dust collection
• Roof-top equipment
SERIES 616W | DWYER
DIFFERENTIAL PRESSURE TRANSMITTER
NEMA 4X Enclosure, 0.25% FS Accuracy
FEATURES/BENEFITS
• NEMA 4X rated enclosure provides protection in harsh environments permitting
outdoor monitoring or in areas where dust and particulate matter exists
• Easy to read LCD display provides immediate local alerts allowing corrective
action to be taken quicker to eliminate the problem from becoming widespread
• Zero and span controls provides easy calibration checks and shorter installation
time to get device running and monitoring
APPLICATIONS
• Dust collection • Outdoor HVAC • Roof-top equipment
