Showing 1–10 of 56 results

SERIES DH3 ,DWYER, DIGIHELIC® 3 DIFFERENTIAL PRESSURE CONTROLLER

The SERIES DH3 Digihelic® Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage FEATURES/BENEFITS • 3-in-1 instrument allows the reduction of several instruments with one product, saving inventory, installation time and money • Full scale accuracy of 1% even on extremely low ranges, and 0.5% for ranges above 5 in w.c. provide for greater measurement precision • Secure menu program provides access to device operation only for the right skill level • Optional stainless steel bezel is the same installation diameter as Magnehelic® gage and simplifies field upgrade to DH3 pressure controller APPLICATIONS • SCFM duct flow • Filter status • Duct or building static pressure • Damper and fan control

Series 1900 ,Dwyer,Compact Low Differential Pressure Switches

Series 1900 COMPACT LOW DIFFERENTIAL PRESSURE SWITCHES
Set Points from 0.07 in to 20 in w.c. Repetitive Accuracy within 3%

FEATURES/BENEFITS
• Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
• Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
• Range screw protected inside enclosure provides simplifies making adjustments butprevents tampering
APPLICATIONS
• Air conditioning refrigeration coil icing detection; defrost cycle initiation
• Clogged filter detection
• Variable air volume controller

Series 1831,Dwyer, DPDT Low Differential Pressure Switches

Series 1831,Dwyer, DPDT Low Differential Pressure Switches

Manual Reset, No Power Required

FEATURES/BENEFITS
• No power to operate DPDT switch means no additional wiring or conduit reduces material and installation labor costs
• Easy access for modifying set point simplifies adjustment
• Both control contacts activate at the same time eliminating system issues where lead switch activities prevent the lagging switch from sending a signal
APPLICATIONS
• High duct static cutout applications • HVAC

Series DX ,Dwyer,Wet/Wet Differential Pressure Switch

The SERIES DX is a differential pressure switch that makes a contact output based on
the differential between two pressure sources.

FEATURES/BENEFITS
• Differential pressure switch that is suitable for most gas and water-based applications allows multiple uses in the most sophisticated designs
• Weatherproof housing provides protection in the harsh, wet or dirty environments ensuring switch’s long-service life
• Removable terminal block reduces installation time
APPLICATIONS
• Indicating filter differential pressure

• Proving flow through a chiller
• Proof of flow indicator monitoring

• Proving flow through a heat pump or AC unit
• Proving flow through a pump

SERIES 616KD ,Dwyer, DIFFERENTIAL PRESSURE TRANSMITTER ±0.25, ±1 OR 2% ACCURACY

SERIES 616KD ,Dwyer, DIFFERENTIAL PRESSURE TRANSMITTER ±0.25, ±1 OR 2% ACCURACY

FEATURES/BENEFITS
• Simple calibration push-button sets back zero and span, saving time installing and
over the service life
• Cost effective and compact device suitable for OEM applications where space,
simplicity, and value are key
• Ranges and accuracy selection cover a wide range of applications minimizing
components and determining standardizing on design
APPLICATIONS
• Air handlers
• Duct pressure
• Variable air volume
• Filter monitoring

Series 607,Dwyer, DIN Rail Mount Differential Pressure Transmitter

Series 607

LOW RANGE DIFFERENTIAL PRESSURE TRANSMITTER
±0.25% or ± 0.5% Full Scale Accuracy, Ranges from 0 to 0.1 in w.c.

FEATURES/BENEFITS
• High stability at low pressure ranges provides exceptional accuracy for ensuring
tight-control and minimizing costly out of specification conditions
• Provides sensitivity to pressure changes but resists vibration preventing drift and
less accurate readings
• Stainless steel housing meets standards for lab and clean room applications
APPLICATIONS
• Leak detection

• Clean room control

• Lab and fume hood pressure control