Varec
Varec 8240 Tactical Data Unit
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The 8240 Tactical Data Unit (TDU) collects pressure, temperature and flow measurements from connected field devices, such as the Varec 7660 Tactical Fuel Gauge (TFG) or a Tactical Flow Meter (TFM). It calculates observed fuel volumes and performs the collapsible tank mapping process. All data is transferred to the TacFuels Tactical Mobile Computer for inventory management and accounting.
Specifications
Data Transmission ProtocolMODBUS
Pulse Accumulator Channels
2 standard, 4 optional
Environmental Operating Temperature
-40 to +167 °F (-40 to +75 °C)
Lightning Protection
Solid state transient voltage suppressors, current limiting resistors and fuses
Power Supply Operating Voltage
8 – 36 VDC
Power Consumption
25 mA
Hazardous Area Approvals
ISA/CSA Standards –
Class 1 Division 2, Groups C and D
ATEX and IECEx Standards –
Ex II 3(1)G EX nA [ia Ga] IIB T5 Gc
(-40 °C, Ta, 85 °C)
Enclosure
Powder coated aluminum
Mounting
Wall mounted/Ground rod
Dimensions
10.2” x 6.3” x 3.6” (260 x 160 x 90mm)
HART Output
2-position terminal, fused
Pulse Input
2 channels available, 4 optional
3 to 30 VDC voltage range
30 KHz pulse frequency limit
3 position, pluggable terminal block
