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Dwyer Instruments
Dwyer 679 Series Weatherproof Pressure Transmitter
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Parámetros clave
Measuring range
0–25 to 0–10,000 psi (679-0…679-8)
Accuracy
±0.25% FS (non-linearity, hysteresis, non-repeatability)
Output
4–20 mA 2-wire (also 0.1–5.1 VDC variants documented)
Supply
9–30 VDC
Process connection
1/4˝ male NPT
Electrical connection
1/2˝ NPS female conduit, screw terminal block
| Parámetro | Valor |
|---|---|
| Measuring range | 0–25 to 0–10,000 psi (679-0…679-8) |
| Accuracy | ±0.25% FS (non-linearity, hysteresis, non-repeatability) |
| Output | 4–20 mA 2-wire (also 0.1–5.1 VDC variants documented) |
| Supply | 9–30 VDC |
| Process connection | 1/4˝ male NPT |
| Electrical connection | 1/2˝ NPS female conduit, screw terminal block |
| Wetted parts | 17-4 PH stainless steel |
| Enclosure | NEMA 4 / IP56 aluminum weatherproof housing |
| Operating Temperature | −40 to 260°F (−40 to 125°C) |
| Compensated Temperature | −4 to 176°F (−20 to 80°C) |
| Loop Resistance | 800 Ω max (current output) |
| Stability | <0.5% FS/year |
| Zero Span | ±15% non-interactive adjustments |