Endress+Hauser Servo tank gauging instrumentProservo NMS81
| + output | 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) |
|---|---|
| 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) |
| 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 |
| Certificates / Approvals | ATEX, FM, IEC Ex, NEPSI, EAC |
| Characteristic / Application | Servo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density |
| 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) |
| Design approvals | EN 10204-3.1 NACE MR0175, MR0103 |
| Main wetted parts | 316L, AlloyC276, PTFE |
| Max. measurement distance | 55 m (180 ft) |
| Measuring principle | Servo / Float Tank Gauging |
| Measuring range | 47 m (154 ft) |
| Metrological approvals and certificates | OIML, NMi, PTB, LNE Calibration performed on accredited calibration facilities (acc.to ISO/IEC 17025) |
| 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 |
| Other approvals and certificates | OIML, NMi, PTB |
| Process Connection | Flange: DN80/3" / DN100/4" / DN150/6" |
| Process pressure | up to 25 bar (363 psi) abs |
| Process pressure / max. overpressure limit | up to 25 bar (363 psi) abs |
| Process temperature | -200°C...200°C (-328°F...392°F) |
| Safety approvals | Overfill protection WHG SIL |
| Specialities | Custody transfer level measurement Interface measurement Spot density, density profile measurement |
| Supply / Communication | 85-264 VAC |
| Wetted parts | 316L, AlloyC276, PTFE |
Frequently Asked Questions
How do I get pricing for NMS81?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the NMS81?
NMS81 is a Endress+Hauser part. KKM Solutions sources Endress+Hauser components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of NMS81?
Key specifications include + output: 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); 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); 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. The full specification table on this page lists every published attribute for this part.
How quickly can NMS81 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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