Endress + Hauser NRF81-AA1BE1A1B2BACNTC
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
NRF81-3D90/0
Endress Hauser NRF 81
AA Approval: Non-hazardous area
1 Terminal Type: Spring terminals
B Power Supply; Display: 85-264VAC; LCD + operation
E1 Primary Output: 4-20mA HART Ex d/XP, RTD input
A1 Secondary I/O Analogue: Ex d/XP, 1x 4-20mA HART, 1x RTD input
B2 Secondary I/O Digital Ex d/XP: Modbus RS485 + 2x relay / 2x module discrete
BA Housing: Transmitter 316/316L
C Electrical Connection: Thread G1/2, 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
