Series DP Double Bellows Differential Pressure Switch

Series DP Double Bellows Differential Pressure Switch

FEATURES/BENEFITS
• Bellows switch design provides sensitivity to pressure changes but resists vibration
preventing out of range switching
• External access to set and rest controls makes for easy adjustments
• Visible set point indicators simplify changes

APPLICATIONS
• Accurate switch triggers in high pressure applications

Series 616KD, DWYER, Differential Pressure Transmitter

Series 616KD, DWYER, Differential Pressure Transmitter

FEATURES AND 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
• Optional 1/8˝ NPT process connection allows for use with metal barbed fittings or
compression fittings for use with metal tubing

APPLICATIONS
• Air handlers • Duct pressure
• Variable air volume • Filter monitoring

Series 677B, DWYER, Differential Pressure Transmitter

Series 677B, DWYER, Differential Pressure Transmitter

FEATURES/BENEFITS
• NEMA 4 housing enables a range of use outdoor or indoor where water is present
• High accuracy at low pressure ranges provides exceptional measurement for
insuring tight-control and minimizing costly out of specification conditions
• Use with unregulated DC power permits easy access to electrical supply reducing
costly power conditioning and wiring

APPLICATIONS
• Building energy management • Lab and fume hood control
• Environmental pollution control • Variable air volume

Series 668, DWYER,Differential Pressure Transmitter

Series 668, DWYER,Differential Pressure Transmitter

FEATURES/BENEFITS
• Good accuracy at low pressure ranges provides exceptional value for ensuring
control and minimizing costly out of specification conditions
• High overpressure rating eliminates possible damage to unit reducing unnecessary
service time

APPLICATIONS
• Variable air volume systems • Building management • HVAC

Series 668B/D, DWYER, Compact Differential Pressure Transmitters

Series 668B/D, DWYER, Compact Differential Pressure Transmitters

FEATURES/BENEFITS
• Protection from 15 psi overpressure & incorrect wiring
• High accuracy at low pressure ranges
• Two package selections allows easy device mounting to best fit application pressure
connections

APPLICATIONS
• HVAC and VAV control
• Clean rooms and isolation rooms
• Duct static pressure measurement