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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- Process control
- HVAC automation
- Pneumatic systems
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).