|
|
|
|
Series
647 Wet/Wet Differential Pressure Transmitter |
Monitor differential pressure in air or 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. |
| Service: | Compatible gases or liquids on both pressure and reference sides. |
| Accuracy: | ±1% of full scale |
| Output: | 4 to 20mA, 2-wire |
| Supply Voltage: | 18 to 30 VDC |
| Loop Resistance: | 400 ohms @ 18 VDC; 600 ohms @ 24 VDC; 1000 ohms @ 30 VDC |
| Zero and Span: | Adjustable, ±10% |
| Maximum Overload
Pressure: |
Ranges -0, -1, -2, -3, -4, -5, -6: 20
PSI
Range -7: 30 PSI Range -8: 60 PSI |
| Compensated Temperature
Range: |
32 to 122°F (0 to 50°C) |
| Storage Temperature: | -40 to 212°F (-40 to 100°C) |
| Thermal Effects: | Zero: ±0.05%/F.S./°F
Spane: ±0.05%/F.S./°F |
| Stability: | ±1.5% FS Output/Year |
| Wetted Parts: | Brass, Vinyl, Glass Filled Polyester, Silicon and Florosilicon |
| Housing: | Gasketed steel epoxy painted, NEMA 4 |
| Process Connections: | Two 1/8" NPT (F) |
| Electrical Connection: | Screw terminals, reverse polarity protected |
| Weight: | 14 oz. (397 g) |
| Part Number | Range
Inches of water |
Part Number | Range
PSID |
|
| 647-0
647-1 647-2 647-3 647-4 |
0 to 1
0 to 3 0 to 25 0 to 5 0 to 10 |
647-5
647-6 647-7 647-8 |
0 to 1
0 to 5 0 to 15 0 to 30 |
Phone: 604-254-9622
Fax: 604-254-3123
e-mail: info@johnsherman.com