ROTRONIC PF4 - Manual (Page 49)

E-M-PF4-V1_00
Rotronic AG
Bassersdorf, Switzerland
Document Code Unit
PF4 Differential Pressure Transmitter:
Instruction Manual
Instruction Manual
Document Type
Page 49 of 54
Document Title
© 2014; Rotronic AG E-M-PF4-V1_00
9 Technical Data
General
Device type
Differential pressure transmitter with analog output signals and optional
Ethernet interface
Circuit type 3-wire circuit
Mounting types W (Wall)
Power Supply and Connections
Supply voltage (VDD) 15...40 VDC / 14...28 VAC
Rated current consumption DC supply
<70 mA (only analog outputs)
<150 mA (with Ethernet interface)
Rated current consumption AC supply
<70 mA (only analog outputs)
<450 mA (with Ethernet interface)
Electrical connections Terminal block and M16 cable grip, optional RJ-45 Ethernet connector
Polarity protection Protective diode on V+
Humidity and Temperature Measurement
With HC2 See document E-M-HC2 Probes > Specifications.
With Pt100
Accuracy: ±0.2 °C
Meas. range: -100…200 °C (depending on probe type)
Differential Pressure Measurement
Measurement ranges -25…+25 Pa / -50…+50 Pa / -100…+100 Pa / -250…+250 Pa / -500…+500 Pa
Accuracy ±1.0 %Full Scale Span
Response time sensor  63 <10 ms (only sensor element)
Ambient pressure dependence 0.1 %/hPa
Air flow 120 – 180 µl/min
Pressure resistance 2 bar (2,000 hPa)
Long-term stability <0.3 %/year
Adjustment points Zero, reference point