This user guide covers installation, electrical connections, calibration, maintenance, and safety instructions for ABB DATUM P871 and P881 pressure…
The document provides comprehensive after-sales service information and warranty requirements for the ABB Instrumentation Limited and ABB Instrumentation Inc. products. It details specific safety warnings regarding high pressure, temperature, and chemical handling during operation and maintenance.
The guide describes two models: the P871 submersible sensor with IP68 integrity suitable for liquid level measurement, and the P881 low-cost transducer compatible with DATUM L150/L160 indicators. It includes mechanical installation options, electrical connection diagrams, grounding procedures, resistive loading limits, and environmental specifications such as temperature ranges.
| Power Supply | 12 to 36Vdc |
|---|---|
| P871 Rated Voltage | 24V d.c. |
| P871 Temperature Limits | -20 °C to 55°C |
| P881 Temperature Limits | -40 °C to 125°C |
| Wetted Parts Material (P871) | 17-4 PH stainless steel plus Nickle Braze |
| Wetted Parts Material (P881) | 17-4 PH stainless steel plus Nickle Braze |
| P871 Integrity Rating | IP68 |
No, the instruments cannot be repaired locally and must be returned to the Company or accredited dealers.
With a 24V d.c. supply, the permissible load is from zero up to 850 Ω.