NMS81 Servo Tank Gauging Instrument Proservo

$790.00

Endress+Hauser

The intelligent tank gauge Proservo NMS81 is designed for high accuracy liquid level measurement in custody transfer and inventory control applications with NMi- and PTB-approvals. It meets the relevant requirements according to OIML R85 and API 3.1B. It fulfills the exact demands of tank inventory management and loss control and is optimized in regards of total cost saving and safe operation.

 

Description

Field of application

The intelligent tank gauge Proservo NMS81 is designed for high accuracy liquid level measurement in custody transfer and inventory control applications with NMi- and PTB-approvals. It meets the relevant requirements according to OIML R85 and API 3.1B. It fulfills the exact demands of tank inventory management and loss control and is optimized in regards of total cost saving and safe operation.

For high accuracy custody transfer measurement in crude oil, gasoline, diesel, petrochemicals and chemicals.
  • Process connections: Flanges

  • Temperature: -200 to +200°C (-328 to +392°F)

  • Pressure: 0 to +25bar (0 to +362psi)

  • Maximum measuring range: 47m (154ft)

  • Accuracy: ±0.4mm (±0.02″)

  • International explosion protection and custody transfer certificates, overfill prevention WHG, SIL

Benefits

  • Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety

  • Maximum reliability through accuracy up to ±0.4mm (± 0.02″)

  • Developed according to international metrology recommendations such as OIML R85 and API MPMS

  • Local and country-specific certifications like NMi or PTB for custody transfer applications

  • Superior corrosion resistance with 316L materials in the process compatible with sour applications such as crude oil

  • Measurement of interfaces between up to three liquid layers, tank bottom, spot, and profile densities

  • Best fit for LNG/LPG applications without influence of dc value or Boil Off Gas

Additional information

Brand

Endress+Hauser/E+H

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

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