Endress+Hauser
Endress+Hauser Radar measurement Micropilot NMR81
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Accuracy | up to 0.5 mm |
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Process temperature | -40°C...200°C (-40°F...392°F) |
Process pressure / max. overpressure limit | Vacuum.....16 bar abs |
Max. measurement distance | 70 m (230 ft) For calibration to regulatory standards: 30 m (98 ft) |
Main wetted parts | 316L, PTFE |
Measuring principle | Level radar |
Characteristic / Application | Lens antenna, 80GHz: High precision measurement for for storage tanks up to 30 m (98ft) |
Specialities | Custody transfer level measurement Measurement close to tank wall |
Supply / Communication | 85-264VAC 52-74VAC 19-64VDC |
Accuracy | up to 0.5 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 | -40°C...200°C (-40°F...392°F) |
Process pressure / max. overpressure limit | Vacuum.....16 bar abs |
Main wetted parts | 316L, PTFE |
Process connection | Flange: DN50/2"…DN300/12" Flange w/ Alignment tool: DN100/4"…DN300/12" UNI-Flange: DN150/6"…DN300/12" UNI-Flange w/ Alignment tool: DN150/6"…DN300/12" |
Max. measurement distance | 70 m (230 ft) For calibration to regulatory standards: 30 m (98 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 AD2000 |
Metrological approvals and certificates | OIML, NMi, PTB |
Options | Redundant fieldbus Alu-coated or 316L housing Weather protection cover Adjustable mounting seals |
Application limits | Maximum measuring range is dependent on the tank form and/ or application Strong condensate or build-up formation |
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