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Dwyer Series 647 Wet/Wet
Differential Pressure Transmitter |
| Ranges from 0 to 1" w.c., ±1.0%
Accuracy, NEMA 4 Enclosure, 2-wire |
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 Monitor
differential pressure in air/liquid
flow systems, HVAC automation, pneumatic systems and process control
with the Series 647 Wet/Wet Differential Pressure Transmitter.
Units are temperature compensated and provide a 4 to 20 mA output
signal which can be interfaced with chart recorders, data loggers
and computerized monitoring and control systems. Dimensional
Information |
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| SPECIFICATIONS |
Service: Compatible gases or liquids on both pressure and
reference sides.
Wetted Materials: Brass, vinyl, glass-filled polyester, silicon, and florosilicone.
Accuracy: ±1.0% FS.
Stability: ±1.5% FS output/year.
Temperature Limits: 32 to 122°F (0 to 50°C).
Pressure Limits: Ranges 1" w.c. to 5 psi: 20 psi, 15 psi range: 45 psi,
30 psi range : 60 psi.
Thermal Effects: Zero: ±0.05% FS/°F, Span: ±0.05% rdg/°F.
Power Requirements: 18 to 30 VDC.
Output Signal: 4 to 20 mA, 2-wire.
Zero and Span Adjustments: Adjustable, ±10%.
Loop Resistance: 400 Ω @ 18 VDC, 600 Ω @ 24 VDC, 1000 Ω @
30 VDC.
Electrical Connection: Screw terminals, reverse polarity protected.
Process Connections: Two 1/8" female NPT.
Housing: Gasketed steel epoxy painted, NEMA 4 (IP56).
Weight: 14 oz (397 g).
Agency Approvals: CE. |
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| Popular Models: |
| Model
Number |
Range |
| 647-0 |
0-1" w.c. |
| 647-1 |
0-3" w.c. |
| 647-2 |
0-25" w.c. |
| 647-3 |
0-5" w.c. |
| 647-4 |
0-10" w.c. |
| 647-5 |
0-1 psid |
| 647-6 |
0-5 psid |
| 647-7 |
0-15 psid |
| 647-8 |
0-30 psid |
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