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面议| Key Specification | |||
| Functional | |||
| Output Signal | Two-wire, 4–20mA | ||
| Power Supply | 10 to 30 Vdc | ||
| Load Resistance | R=50 x (supply voltage - 10V) Ω | ||
| Measuring Range | Up to 200 mH20 | ||
| Overrange Limit | 5 x range up to a maximum of 600 m / 1968 ft (Water) | ||
| Span Adjustment | +10 to + of upper range limit (URL) | ||
| Process Temperature Limits | –20 to +60 °C for 9710, 9720, and 9780 –20 to +90 °C (176 °F/80 °C Ex ia) for 9790 | ||
| Ambient Temperature Limits | –20 to +90 °C (176 °F/80 °C Ex ia) | ||
| Humidity Limits | 0 to relative humidity (RH) | ||
| Hazardous Area Certification | CSA (Canada and USA) ATEX II 1 G EEx ia IIB T4 | ||
| Performance | |||
| Accuracy | ±0.1% of calibrated span | ||
| Stability | ±0.1% of upper range limit (URL) per 6 months | ||
| Temperature Effect (Over Ambient Temperature Range) | ±0.015% of upper range limit (URL) per °C / °F | ||
| Physical | |||
| Cable Entry | Glanding system supplied with required length of vented cable | ||
| Wetted Parts | Sensor: | Ceramic | |
| Sensor Housing: | 316 stainless steel, aluminium bronze | ||
| Seal Rings: | Fluorocarbon (FPM/FKM), Nitrile | ||
| Cable | Polyurethane, Flourinated Ethylyene Polypropylene (FEP) | ||
| Pole | 316 stainless steel pole supplied with 316 stainless steel housing option Copper Nickel pole supplied Aluminium Bronze Housing option | ||
| Igress Protection | IP68 / NEMA 6P (200 m / 656 ft Water) | ||
| Approximate Weight (Sensor Only) | 1.54 lb (0.7 Kg) | ||
| Remote Enclosure | Aluminium alloy IP67 Grey (RAL 7001) 1.5 lb / 0.7 kg | ||
| Bellows Enclosure | Polyester IP67 Grey (RAL 7001) 2.6 lb / 1.2 kg | ||
| Approvals | |||
| Hazardous Area Certification | ATEX II 1 G ATEX II 1 GD (available upon request) Ex ia IIB T4 Intrinsically Safe CSA (Canada and USA) CLI, DIV1, GPS C & D CL II DIV1, GPS E, F & G, CL III Ex ia IIB T4 AEx ia IIB T4 | ||
| Marine Approvals | Lloyds Register Bureau Veritas American Bureau of Shipping Korean Register Germanisher Lloyd DNV | ||
