Prosonic M FMU44 HART
Technical data
Hauser
45
Standard
• Current consumption 4 mA | terminal voltage 14 to 36 V
• Current consumption 20 mA | terminal voltage 8 to 36 V
Ex ia
• Current consumption 4 mA | terminal voltage 14 to 30 V
• Current consumption 20 mA | terminal voltage 8 to 30 V
Ex d
• Current consumption 4 mA | terminal voltage 14 to 30 V
• Current consumption 20 mA | terminal voltage 11 to 30 V
Fixed current, terminal voltage directly at the device
User-configurable, e.g. for solar powered operation (measured value via HART)
Standard
Current consumption 11 mA | terminal voltage 10 to 36 V
Ex ia
Current consumption 11 mA | terminal voltage 10 to 30 V
Fixed current for Multidrop mode
Standard
Current consumption 4 mA | (start-up current: 11 mA), terminal voltage 14 to 36 V
Ex ia
Current consumption 4 mA | (start-up current: 11 mA), terminal voltage 14 to 30 V
14.3.2 Power consumption
Two-wire version: 51 to 800 mW
14.3.3 Load
Min. load for HART communication: 250 Ω
14.3.4 HART ripple
47 to 125 Hz: U
ss
= 200 mV (at 500 Ω)
14.3.5 HART noise
500 Hz to 10 kHz: U
eff
= 2.2 mV (at 500 Ω)
14.4 Performance characteristics
14.4.1 Reference operating conditions
• Temperature: +20 °C (+68 °F)
• Pressure: 1
013 mbar abs. (15 psi abs.)
• Humidity: 50 %
• Ideally reflecting surface, e.g. calm, even liquid surface
• No interference reflections inside the signal beam
• Configured parameters for applications:
• Tank shape = Dome ceiling
• Medium property = Liquid
• Process cond. = Standard liquid