Varec NRF81 Tankside Monitor
BRAND : Varec
The NRF81 Tankside Monitor (TSM) is used in combination with Varec radar gauges for bulk storage applications at tank farms, terminals and refineries. It is designed to integrate and collect tank gauging data and provide detailed information for storage and process applications.
The NRF81 Tankside Monitor (TSM) is used in combination with Varec radar gauges for bulk storage applications at tank farms, terminals and refineries. It is designed to integrate and collect tank gauging data and provide detailed information for storage and process applications.
Specifications
Primary Outputs
- MODBUS RS485
- V1
- 4-20mA HART Ex d/XP, RTD input
- 4-20mA HART Ex i/IS, RTD input
Net Weight
12 kg (26 lbs) for housing plus electronics
Enclosure Materials
- Electrical compartment: aluminium (AC 43000 T6) or stainless steel (316L)
- Window: glass
- Rated IP66/68, NEMA Type 4x/6P enclosure
Cable Specs
- Standard device cable for the power line
- HART communication line: Standard device cable only if analog, otherwise shielded cable
- MODBUS communication line: Shielded cable
- V1 communication line: Twisted pair screened or unscreened cable
Power
- High voltage type: 85 to 264 VAC, 50/ 60 Hz, 28.8 VA
- Low voltage type: In preparation
- Bus inputs are electrically isolated from the other electronics
Temperature
Storage: -50 to +80° C (-58 to +176° F)
Ambient: Device: -40 to +60° C (-40 to +140° F) / Display Module: -20 to +70° C (-4 to
+158° F)
Options
Approvals
- ATEX II 2(1)G Ex db[ia Ga] IIC T6 Gb
- FM C/US XP-AIS Cl.I Div. 1 Gr. BCD T6 AEx d[ia] IIC T6
- IEC Ex db[ia Ga] IIC T6 Gb
- SIL
Communications
Primart Output:
- Modbus RS485
- V1
- 4-20mA HART Ex d/XP, RTD input
- 4-20mA HART Ex i/IS, RTD input
Secondary I/O Analogue:
- Ex d/XP, 1x 4-20mA HART, 1x RTD input
- Ex d/XP, 2x 4-20mA HART, 2x RTD input
- Ex i/IS, 1x 4-20mA HART, 1x RTD input
- Ex i/IS, 2x 4-20mA HART, 2x RTD input
- 1x Ex i/IS 4-20mA HART, 2x RTD input + 1x Ex d/XP 4-20mA HART
Secondary I/O Digital Ex D/XP:
- 2x relay / 2x module discrete
- 4x relay / 4x module discrete
- 6x relay / 6x module discrete
- Modbus RS485
Electrical
- Thread M20, IP66/68 NEMA Type 4X/6P Encl.
- Thread M25, IP66/68 NEMA Type 4X/6P Encl.
- Thread G1/2, IP66/68 NEMA Type 4X/6P Encl.
- Thread G3/4, IP66/68 NEMA Type 4X/6P Encl.
- Thread NPT1/2, IP66/68 NEMA Type 4X/6P Encl.
- Thread NPT3/4, IP66/68 NEMA Type 4X/6P Encl
Antenna
- 50mm/2?
- 80mm/3?
- 100mm/4?, align. device
Housing
Transmitter Aluminum, coated
