Key Specifications
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Accuracy
up to 0.4 mm
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Operating Temperature
-200°C…200°C
(-328°F…392°F) -
Operating Pressure / Maximum Overpressure
up to 25 bar (363 psi) abs
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Maximum Measuring Distance
47 m (154 ft)
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Primary Wetted Materials
316L, AlloyC276, PTFE
Applications
The Proservo NMS81 smart level sensor delivers high-precision measurements for inventory management and custody transfer systems, certified by NMi and PTB. Compliant with OIML R85 and API 3.1B standards, it optimizes stock control and loss prevention while ensuring cost efficiency and operational safety.
Designed for accurate measurement of petroleum, gasoline, diesel, petrochemicals, and chemical substances.
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Connection type: Flanged
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Temperature range: -200 to +200°C (-328 to +392°F)
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Pressure range: 0 to +25 bar (0 to +362 psi)
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Maximum measuring range: 47 m (154 ft)
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Accuracy: ±0.4 mm (±0.02 in)
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International explosion-proof and custody transfer certifications, WHG overfill protection, SIL rated
Advantages
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Hardware and software meet IEC 61508 SIL3 requirements (in homogeneous redundancy) for enhanced safety
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Exceptional reliability with ±0.4 mm (±0.02 in) accuracy
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Developed in compliance with OIML R85 and API MPMS international metrology standards
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Holds national certifications like NMi or PTB for custody transfer applications
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High corrosion resistance with 316L materials, suitable for aggressive media including crude oil
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Measures three-phase interfaces, tank bottoms, spot and profile densities
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Optimal solution for LNG/LPG applications without DC influence or vapor interference
