SERIES 616W , DWYER,DIFFERENTIAL PRESSURE TRANSMITTER

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

SERIES 616WL | DWYER,DIFFERENTIAL PRESSURE TRANSMITTER

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 647 , DWYER , WET/WET DIFFERENTIAL PRESSURE TRANSMITTER

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 645 , DWYER , WET/WET DIFFERENTIAL PRESSURE TRANSMITTER

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 629 , DWYER ,WET/WET DIFFERENTIAL PRESSURE TRANSMITTER

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