Dwyer Series 647 |
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| Wet/Wet Differential Pressure Transmitter | ||||||||||||||||||||
| Ranges from 0 to 1" w.c., ±1.0% Accuracy, NEMA 4 Enclosure, 2-wire | ||||||||||||||||||||
 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. |
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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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