Endress + Hauser NRF81-FD2BB1A2B1AAENTC
Field gateway
Specialist device
Application: tank sensor integration
Custody transfer and inventory control
Hybrid tank measurement system (HTMS)
Hydrostatic tank gauging (HTG)
Tank correction algorithms
Flexible fieldbuses, inputs and outputs
Complete tank sensor integration
Visualize all data at tank and in the
control room
:: Custody transfer certified
:: SIL2 / SIL3 according IEC61508
NRF81-3DR6/0
Endress Hauser NRF 81
FD Approval: FM C/US XP-AIS Cl.I Div. 1 Gr. BCD T6 AEx d[ia] IIC T6
2 Terminal Type: Screw terminals
B Power Supply; Display: 85-264VAC; LCD + operation
B1 Primary Output: V1
A2 Secondary I/O Analogue: Ex d/XP, 2x 4-20mA HART, 2x RTD input
B1 Secondary I/O Digital Ex d/XP: Modbus RS485
AA Housing: Transmitter Alu, coated
E Electrical Connection: Thread NPT1/2, IP66/68 NEMA Type 4X/6P Encl.
NTC Weight + Measure Approval: Custody transfer, NMi type approval acc. to OIML R85, API 3.1B, ISO4266, factory calib. certificate
