Endress+Hauser Servo tank gauging instrument Proservo NMS81

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Endress+Hauser Servo tank gauging instrument Proservo NMS81
Accuracyup to 0.4 mm
Process temperature-200°C...200°C
(-328°F...392°F)
Process pressure / max. overpressure limitup to 25 bar (363 psi) abs
Max. measurement distance47 m (154 ft)
Main wetted parts316L, AlloyC276, PTFE
Measuring principleServo / Float Tank Gauging
Characteristic / ApplicationServo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density
SpecialitiesCustody transfer level measurement
Interface measurement
Spot density, density profile measurement
Supply / Communication85-264VAC
52-74VAC
19-64VDC
Accuracyup to 0.4 mm
Ambient temperatureStandard:
-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 limitup to 25 bar (363 psi) abs
Main wetted parts316L, AlloyC276, PTFE
Process connectionFlange:
DN80/3" / DN100/4" / DN150/6"
Max. measurement distance47 m (154 ft)
CommunicationOutputs:
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 / ApprovalsATEX, FM, IEC Ex, EAC, JPN Ex, KC Ex,
INMETRO, NEPSI, UK Ex
Safety approvalsOverfill protection WHG
SIL
Design approvalsEN 10204-3.1
NACE MR0175, MR0103
Metrological approvals and certificatesOIML, NMi, PTB
OptionsRedundant fieldbus
Alu-coated or 316L housing
Weather protection cover
Guide wire assembly
Relief valve
Gas purging nozzle connection
Pressure gauge
Cleaning nozzle connection
Application limitsStilling 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
Measuring principleServo / Float Tank Gauging
Characteristic / ApplicationServo Tank Gauging: High precision measurement for liquid level, interface, spot density, profile density
Supply / Communication85-264 VAC
Ambient temperatureStandard:
-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 pressureup to 25 bar (363 psi) abs
Wetted parts316L, AlloyC276, PTFE
OutputFieldbus: 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 / ApprovalsATEX, FM, IEC Ex, NEPSI, EAC
OptionsRedundant fieldbus
Alu-coated or 316L housing
Weather protection cover
Guide wire assembly
Relief valve
Gas purging nozzle connection
Pressure gauge
Cleaning nozzle connection
SpecialitiesCustody transfer level measurement
Interface measurement
Spot density, density profile measurement
Measuring range47 m (154 ft)
Other approvals and certificatesOIML, NMi, PTB
Returns Policy

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