Dwyer Instruments 616D Specifications
SERIES 616D | DIFFERENTIAL PRESSURE TRANSMITTER
Service
Air and non
Wetted Materials
Consult factory.
Accuracy
±
Thermal Effect
±
Stability
±
Temperature Limits
14 to 185
Pressure Limits
See chart on catalog page.
Power Requirements
10 to 35 VDC (2
Output Signal
4 to 20 mA
Zero and Span Adjustments
Push buttons.
Loop Resistance
Current
Current Consumption
40 mA max.
Electrical Connections
Screw
Process Connections
1/8" female NPT. Accessories included are 2 barbed fittings for 1/8" (3.12 mm) and 3/16" (4.77
Mounting Options
Vertical,
Weight
4.8
Agency Approvals
CE.
FEATURES/BENEFITS
• Simple calibration push-buttons to set zero and span
• Cost effective and compact device suitable for OEM applications where space,
simplicity, and value are key
• Simultaneous current and voltage outputs support process and test connection in
a single circuit
• NPT or barbed fitting insures correct connection for application
APPLICATIONS
• Air handlers
• Duct pressure
• Variable air volume
• Filter monitoring
DESCRIPTION
The SERIES 616D Differential Pressure Transmitter senses the pressure of air and compatible
gases and sends a standard 4 to 20 mA or 0 to 10 VDC output signal. The 616D enclosure is
specifically designed to mount on a 35 mm DIN rail in a panel. This mounting style allows for
several units to be mounted closely together reducing required space. The span and zero controls
are for use when checking calibration. They are not intended for re-ranging. Versatile circuit design
enables operation in 2-wire current loops.
SPECIFICATIONS
-combustible, compatible gases.
0.25% FS @ 77°F (25°C).
0.02% FS/°F (±0.036% FS/°C).
1% FS/yr.
°F (-10 to 85°C).
-wire); 17 to 36 VDC, or isolated 21.6 to 33 VAC (3-wire).
(2-wire); 0 to 10 VDC (3-wire).
output: 0 to 1250 Ω max; Voltage output: Load resistance 1 kΩ min.
-type terminal block.
on a 1.378" (35 mm) DIN rail.
oz (136 g).
dwyer-inst.com
mm) ID rubber or vinyl tubing.
DWYER INSTRUMENTS, INC.
T: 219-879-8000 | F: 219-872-9057 | info@dwyermail.com
800-872-9141
DS-616D | 11/16
Model
Description
A
Aluminum DIN rail, 1 m
DIMENSIONS
HOW TO ORDER
Use the bold characters from the chart below to construct a product code
616D -5 -NIST
WIRING DIAGRAM
CURRENT OUTPUT WIRING
SERIES
616D – Differential pressure transmitter
RANGE
-2 - 0 to 6 in w.c.
-3 - 0 to 10 in w.c.
-4 - 0 to 20 in w.c.
-5 - 0 to 40 in w.c.
-6 - 0 to 100 in w.c.
-7 - 0 to 200 in w.c.
-8 - 0 to 10 psid
OPTIONS
-C0C - Certificate of calibration
-FC - Factory calibration
-NIST - NIST traceable calibration certificate
SIMULTANEOUS CURRENT AND VOLTAGE OUTPUT WIRING
VOLTAGE OUTPUT WIRING
ACCESSORIES
-360
Important Notice: Dwyer Instruments, Inc. reserves the right to make changes to or discontinue any product or service identified in this publication without notice. Dwyer advises its customers to obtain the latest version of
the relevant information to verify, before placing any orders, that the information being relied upon is current.
dwyer-inst.com
DWYER INSTRUMENTS, INC.
T: 219-879-8000 | F: 219-872-9057 | info@dwyermail.com
800-872-9141
DS-616D | 11/16
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