Specs at a glance
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Accuracy
up to 0.4 mm
-
Process temperature
-200°C...200°C
(-328°F...392°F) -
Process pressure absolute / max. overpressure limit
0,2...6 bar abs
-
Max. measurement distance
36 m (118 ft)
-
Main wetted parts
316L, AlloyC276, PTFE
Field of application
The intelligent tank gauge Proservo NMS80 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 +6bar (0 to +87psi)
Maximum measuring range: 36m (118ft)
Accuracy: ±0.4mm (±0.02")
International explosion protection and custody transfer certificates, overfill prevention WHG, SIL
Benefits
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Hardware and software developed according to IEC 61508 up to SIL3 (in homogeneous redundancy) for high level of safety
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Maximum reliability through accuracy up to ±0.4mm (±0.02")
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Developed according to international metrology recommendations such as OIML R85 and API MPMS
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Local and country-specific certifications like NMi or PTB for custody transfer applications
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Simplified installation and trouble-free operations due to easy connection to major DCS systems via open protocols
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Measurement of interfaces between up to three liquid layers, tank bottom, spot, and profile densities
Videos
Xpert selection
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Specialized products
- Designed for demanding applications
Technical excellence
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
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Variable |
Predecessor
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Measuring principle
Servo / Float Tank Gauging
-
Characteristic / Application
Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density
-
Supply / Communication
85-264VAC
-
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 absolute
0.2...6 bar abs
-
Wetted parts
316L, AlloyC276, PTFE
-
Output
Outputs:
Fieldbus: Modbus RS485, V1, HART
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, NEPSI, EAC
-
Options
Weather protection cover
Guide wire assembly
Relief valve
Gas purging nozzle connection
Pressure gauge
Cleaning nozzle connection -
Specialities
Custody transfer level measurement
Interface measurement
Spot density, density profile measurement -
Measuring range
36 m (118 ft)
-
Other approvals and certificates
OIML, NMi, PTB
-
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
-
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 absolute / max. overpressure limit
0,2...6 bar abs
-
Main wetted parts
316L, AlloyC276, PTFE
-
Process connection
Flange:
DN80/3" / DN150/6" -
Max. measurement distance
36 m (118 ft)
-
Communication
Outputs:
Fieldbus: Modbus RS485, V1, HART
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, NEPSI, EAC
-
Safety approvals
Overfill protection WHG
SIL -
Metrological approvals and certificates
OIML, NMi, PTB
-
Options
Redundant fieldbus
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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