Dwyer Instruments SERIES 682 Catalog Page
SERIES 682 | INDUSTRIAL PRESSURE TRANSMITTER
®
FEATURES/BENEFITS
• Weatherproof welded housing provides device protection for outdoor use
or harsh environment operations
• Not affected by environmental effects such as temperature, shock,
vibration, and EMI/RFI provides reliable switching for equipment
• External span and zero adjustments reduce installation and service time
APPLICATIONS
• Off-road equipment
• Compressor control
• Industrial refrigeration
• Hydraulic systems
• Industrial engines
DESCRIPTION
The SERIES 682 Industrial Pressure Transmitter is designed to withstand environmental
effects such as shock, vibration, temperature, and EMI/RFI. The electronics and capacitive
sensor are packaged in a welded stainless steel housing and meets NEMA 4 (IP65) protection
ratings.
SPECIFICATIONS
Service Compatible liquids and gases.
Wetted Parts 17-4 PH SS.
Accuracy ±0.13 % FS (includes non-linearity, hysteresis, and non-repeatability.
Temperature Limits -40 to 260°F (-40 to 125°C) 10 to 90% RH, non-condensing.
Pressure Limit See model chart.
Compensated Temperature Range -4 to 176°F (-20 to 80°C).
Thermal Effect Zero shift: 1.0% FS/100°F; Span shift: ±1.5% FS/100°F.
Power Requirements 9 to 30 VDC.
Output Signal 4 to 20 mA, 2-wire.
Zero and Span Adjustment ±0.5 mA, non-interactive.
Response Time 5 ms.
Loop Resistance 800 Ω.
Electrical Connections 2 ft (51 cm) multiconductor cable.
Process Connection 1/4˝ male NPT.
Weight 8 oz (227 g).
Shock 200 g operating.
Vibration 20 g 50-2000 Hz.
Agency Approval CE.
DWYER INSTRUMENTS, INC.
®
DIMENSIONS WIRING DIAGRAM
1-31/32
[49.73]
SERIES 682
TRANSDUCER
(4 to 20mA)
2
[50.8]
3/4
1/4 NPT
ø2
[50.8]
[19.05]
HOW TO ORDER
Use the bold characters from the chart below to construct a product code.
682 -1
SERIES
682 - Industrial pressure transmitter
POWER
SUPPLY
+
+
-
-
+
(MONITOR)
-
RANGE
-0 - 0 to 25 psi (100 psi overpressure)
-1 - 0 to 50 psi (150 psi overpressure)
-2 - 0 to 100 psi (300 psi overpressure)
-3 - 0 to 250 psi (500 psi overpressure)
-4 - 0 to 500 psi (1000 psi overpressure)
-5 - 0 to 1000 psi (2000 psi overpressure)
-6 - 0 to 3000 psi (4500 psi overpressure)
-7 - 0 to 5000 psi (7500 psi overpressure)
-8 - 0 to 10000 psi (12500 psi overpressure)
LOAD
ACCESSORIES
Model Description
NISTCAL-PT1 NIST traceable calibration certicate for pressure transmitters
Important Notice: Dwyer Instruments, Inc. reserves the right to make changes to or discontinue any product or service identied 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 INSTRUMENTS, INC.
DS-682 | 1/18
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