Electronic differential pressure Deltabar FMD72


The electronic dp Deltabar FMD72 is a differential pressure system, used to measure the pressure, level, volume or mass of liquids in pressurized tanks or distillation columns/evaporators. The high pressure sensor (HP) measures the hydrostatic pressure. The low pressure sensor (LP) measures the head pressure. The level is calculated in the transmitter using these two digital values. The electronic dp system eliminates issues of traditional differential pressure measurements.

Measurement - Equipment & Instruments

Product features

Measuring Principle Differential pressure
Characteristic Electronic differential pressure transmitter with metal sensor for level, volume or mass measurement
Supply voltage 4...20 mA HART:; 12...45V DC (Non Ex); Ex ia: 12...30V DC
Reference Accuracy 0.075% of individual sensor,; "PLATINUM" 0.05% of individual sensor
Long term stability 0.05% of URL/year of individual sensor
Process temperature –40...+125°C; (–40...+257°F)
Ambient temperature –40...+80°C; (–40...+176°F)
Measuring cell 400 mbar...10 bar; (6 psi...150psi)
Vacuum resistance 10 mbar abs.
Max. overpressure limit 160 bar (2400 psi)

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