Endress+Hauser NMS81 Servo tank gauging instrument Proservo

SKU: 4695814-1-1035-150
In Stock

  • Application: Custody Transfer Measurement
  • Pressure Limit: Up to 25 bar
  • Accuracy: ±0.4mm (±0.02″)
  • Approvals: OIML R85, API MPMS

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Description

Endress+Hauser NMS81: Precision Tank Gauging Solution

The Endress+Hauser NMS81 is a precision tank gauging solution designed for high accuracy liquid level measurement in custody transfer and inventory control. It boasts NMi- and PTB-approvals and meets the strict requirements according to OIML R85 and API 3.1B. Optimized for total cost saving and safe operation, the NMS81 fulfills the demands of tank inventory management and loss control.

High Accuracy for Crude Oil Measurement

The NMS81 excels in high accuracy for crude oil measurement, making it ideal for custody transfer applications involving crude oil, gasoline, diesel, petrochemicals, and chemicals. Its precision ensures reliable data for inventory management and loss control, critical in financial transactions and operational efficiency within these industries. The device delivers stable and accurate measurements, ensuring optimum performance in demanding environments.

Superior Corrosion Resistance in Sour Applications

One key benefit of the NMS81 is its superior corrosion resistance in sour applications. Constructed with 316L materials, it offers excellent compatibility with sour applications such as crude oil. This ensures a longer lifespan and reliable performance even when exposed to corrosive substances, reducing maintenance costs and enhancing overall system reliability.

Ideal for LNG/LPG Applications

The NMS81 is ideally suited for ideal for LNG/LPG applications, demonstrating robust performance without influence from DC value or Boil Off Gas. Its design enables accurate and consistent measurements in cryogenic environments, crucial for safe and efficient storage and transfer of liquefied gases. This specialized application makes it invaluable for the LNG/LPG industries.

SIL3 Compliance, Enhanced Safety Standards

The Endress+Hauser NMS81 provides SIL3 compliance, enhanced safety standards, developed according to IEC 61508 up to SIL3 (in homogeneous redundancy), ensuring a high level of safety. International explosion protection and custody transfer certificates, along with overfill prevention WHG, further guarantee operational safety and compliance with industry regulations. This makes the NMS81 a secure choice for hazardous environments.

Measures Interfaces Between Multiple Liquid Layers

The NMS81 accurately measures interfaces between multiple liquid layers. It can measure interfaces between up to three liquid layers, the tank bottom, spot density, and profile densities. This capability is essential in refining and chemical processing, providing detailed information for quality control and process optimization, enabling precise monitoring and separation of various liquid products.

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For sourcing the Endress+Hauser NMS81, TPT24: The Best Online Store Globally stands out as the top online store. TPT24 guarantees authenticity and quality, ensuring customers receive genuine, high-performance devices. With worldwide delivery available, customers in any country can access the NMS81 with confidence, relying on TPT24 for superior service and reliable instrumentation.

Broad Compatibility for Tank Inventory Control

The Endress+Hauser NMS81 features broad compatibility for tank inventory control, and designed to integrate seamlessly with varied systems. Its communications and outputs via Fieldbus (Modbus RS485, V1, WM550), HART, and analog outputs provide flexibility in plant infrastructure, supporting streamlined processes. Its superior accuracy combined with metrological approvals further ensure its suitability for precise tank inventory management.

Specifications

  • Measuring principle

    Servo / Float Tank Gauging

  • Characteristic / Application

    Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density

  • Specialities

    Custody transfer level measurement
    Interface measurement
    Spot density, density profile measurement

  • Supply / Communication

    85-264VAC
    52-74VAC
    19-64VDC

  • Accuracy

    up to 0.4 mm

  • Ambient temperature

    Standard:
    -40°C…60°C
    (-40°F…140°F)
    For calibration to regulatory Standards:
    -25°C…55°C
    (-13°F…131°F)

  • Process temperature

    -200°C…200°C
    (-328°F…392°F)

  • Process pressure / max. overpressure limit

    up to 25 bar (363 psi) abs

  • Main wetted parts

    316L, AlloyC276, PTFE

  • Process connection

    Flange:
    DN80/3″ / DN100/4″ / DN150/6″

  • Max. measurement distance

    47 m (154 ft)

  • Communication

    Outputs:
    Fieldbus: Modbus RS485, V1, WM550
    HART, BPM and TRL/2 (via GE option)
    Analog 4-20mA output (Exi/ Exd)
    Relay output (Exd)
    Inputs:
    Analog 4-20mA input (Exi/ Exd)
    2-, 3-, 4-wire RTD input
    Discrete input (Exd, passive/ active)

  • Certificates / Approvals

    ATEX, FM, IEC Ex, EAC, JPN Ex, KC Ex,
    INMETRO, NEPSI, UK Ex

  • Safety approvals

    Overfill protection WHG
    SIL

  • Design approvals

    EN 10204-3.1
    NACE MR0175, MR0103

  • Metrological approvals and certificates

    OIML, NMi, PTB

  • Options

    Redundant fieldbus
    Alu-coated or 316L housing
    Weather protection cover
    Guide wire assembly
    Relief valve
    Gas purging nozzle connection
    Pressure gauge
    Cleaning nozzle connection

  • Application limits

    Stilling well or guide wires for turbulent
    application
    Recommend PTFE displacer for high
    viscosity application
    Recommend AlloyC276 displacer for corrosive application
    Interface measurement requires min. difference of 0.100 g/ml
    between layers

Data Sheet

Download Data Sheet Of: Endress+Hauser NMS81 Servo tank gauging instrument Proservo