Dwyer Instruments SERIES 679 Catalog Page

Series

4.00
[102]

4.02
[102]

1/4 NPT

MALE

1/2 NPT

1.47
[37]

2.55
[65]

Ø 2.50
[64]

0.38
[10]

679

Weatherproof Pressure Transmitter

±0.25% FS Accuracy, Compatible with Corrosive Materials, 4-20 mA Output

The Series 679 Pressure Transmitter is compatible with a wide range of
gases and liquids, and is specially designed for weatherproof service (NEMA
4/IP56). The Model 679 can measure pressures with an accuracy of ±.25%. This
model provides a 4-20 mA output and is field adjustable.

Model
679-0
679-1
679-2
679-3
679-4
679-5
679-6
679-7
679-8

Range

0 to 25 psi
0 to 50 psi
0 to 100 psi
0 to 250 psi
0 to 500 psi
0 to 1000 psi
0 to 3000 psi
0 to 5000 psi
0 to 10000 psi

Overpressure

100 psi
150 psi
300 psi
500 psi
1000 psi
2000 psi
4500 psi
7500 psi
12000 psi

130

SPECIFICATIONS
Service: Corrosive liquids and

gases.
Accuracy: ±.25% FS (includes
non-linearity, hysteresis and non­repeatability).

Pressure Limits: See table.
Output: 4-20 mA, 2-wire.
Supply Voltage: 9-30 VDC.
Loop Resistance: 800 ohms.
Zero and Span Adjustment:

±15%, non-interactive.
Stability: Less than .5% FS/
year.

Temperature Limits: -40 to
260°F (-40 to 125°C) 10 to 90%
RH, non-condensing.

Compensated Temperature
Range: -4 to 176°F (-20 to 80°C).
Pressure Connection: 1/4˝ male

NPT.
Wetted Parts: Corrosive resistant
17-4 PH SS.

Enclosure: Aluminum.
Electrical Connections: Two 1/2˝

conduit ports.

Weight: 13.4 oz (380 g).
Agency Approvals: CE.