ENDRESS HAUSER NMS81-KA14/0 NMS81-BC2BE1A1A2AC3ED11AAC1G4JICW LEVEL SENSOR

Custody transfer and inventory control of crude oil, gasoline, diesel, LPG/LNG, petrochemicals, and chemicals
Tank farms, refineries, chemical plants
Interface and density measurement of multi-layer liquids
Overfill preventi

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Proservo NMS81 is a high-precision servo tank gauging instrument designed for custody transfer and inventory management. It complies with international metrology standards such as OIML R85 and API MPMS 3.1B. It supports SIL3 safety per IEC 61508. Mounted on the tank top, it integrates multiple measurement functions: liquid level, interface level, density profile, temperature, water level, and pressure.

Measuring principle: Servo motor-based level measurement
Accuracy: ±0.4 mm
Measuring range: Up to 47 m
Process temperature: -200 °C to +200 °C
Process pressure: 0 to +25 bar
Wetted materials: 316L, Alloy C276, PTFE
Mounting: 3” flange
Output signals: V1, Modbus RS485, HART
Protection class: IP66/68, NEMA 4X/6P
Certifications: ATEX, IECEx, NMi, PTB, WHG, SIL2/3
Features: Density profiling (up to 50 points), interface detection (up to 2 levels), integration of temperature and water level sensors

Data Sheet