Servo tank gauging instrument Proservo NMS80 High precision servo measurement for liquid level, interface and density F 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 Simplified installation and trouble-free operations due to easy connection to major DCS systems via open protocols Measurement of interfaces between up to three liquid layers, tank bottom, spot, and profile densities More information and current pricing: 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 s

Features and specifications Density Measuring principle Servo / Float Tank Gauging Characteristic / Application Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density Supply / Communication 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

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 Continuous / Liquids Measuring principle...

Continuous / Liquids 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 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

Continuous / Liquids 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 Redundant fieldbus Weather protection cover Guide wire assembly Relief valve Gas purging nozzle connection Pressure gauge Cleaning nozzle connection

Continuous / Liquids 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 addresses.endress.com [email protected]