E-m-pf4-v1_00, 9technical data – ROTRONIC PF4 User 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