Manual

E-M-PF4-V1_00

Rotronic AG

Bassersdorf, Switzerland

Document Code Unit

PF4 Differential Pressure Transmitter:

Instruction Manual

Document Type

Page

49 of 54

Document Title

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