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Differential Pressure Transmitter - Rotronic PF4/5

Updated:2025-03-13

Brand: PST/Rotronic
Model: PF4/5
Description: Choice of two different sensor technologies (thermal measuring method and diaphragm sensor) The new differential pressure transmitters PF4 and PF5 with two different sensor technologies (thermal meas
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Product Details

Differential Pressure Transmitter - Rotronic PF4/5 Description：

User's Manual Datasheet

Measuring and Monitoring differential Pressure in Clean Rooms, Food and Pharma

Features

Fast response time

Different measuring ranges from ± 10 to ± 500 Pa

3 Analog, Ethernet or Modbus RTU outputs

Analog input, freely scalable

Relay

Choice of two different sensor technologies (thermal measuring method and diaphragm sensor) The new differential pressure transmitters PF4 and PF5 with two different sensor technologies (thermal measuring method in PF4 and diaphragm sensor in PF5) consistently produce perfect measurement results thanks to an integrated ambient pressure sensor. Both sensors are equipped with automatic zero point compensation

PF4

The thermal measurement technique of the PF4 transmitter allows exact measurements in the smallest of ranges. The differential pressure transmitter enables Rotronic customers to measure a further important parameter in addition to humidity, temperature, low dew point and CO2.

PF5

The membrane measurement technique of the PF5 transmitter allows exact measurements in the smallest of ranges. The differential pressure transmitter enables Rotronic customers to measure a further important parameter in addition to humidity, temperature, low dew point and CO2.

Specifications

	PF4	PF5
Type	Thermal Measuring Method	diaphragm sensor
Pressure Resistance	5 bar	0.7 bar
Ambient pressure dependence	Compensated	None
Accuracy	±1.0 %FSS
Response Time	< 1 s, typical
Measurement Range	±10 Pa (PF4 only) / ±25 Pa / ±50 Pa / ±100 Pa / ±250 Pa / ±500 Pa
Operating Range	-5…60 °C / 0…100 %RH, non-condensing
Output Signals	3 analog outputs, freely configurablel 3/4 wire: 0(4)…20mA, 0…1/5/10 VDC
Relay / Switch Output	1 relay potential-free change-over switch (NC - COM - NO)
Digital Communication	Ethernet (TCP) / RS-485 (Modbus RTU)
Analog Input	1, freely configurable (0…10 V or 0…24 mA)
Housing Material	ABS
Dimension	129 mm x 72 mm x 45 mm