Rotronic PF44X-1 Differential pressure Transmitters (±10 Pa / ±25 Pa / ±50 Pa / ±100 Pa / ±250 Pa / ±500 Pa, analog)

General

Parameters: Differential pressure, temperature and relative humidity

Housing material: ABS

IP protection: IP65

Mounting position: Wall mount

Dimensions: 129 × 72 × 45 mm

Weight: 243 g

Display: Coloured TFT display

Electrical connections: Screw terminals M16 cable gland

Power supply: 18…48 VDC / 16…36 VAC (galvanically isolated)

Current consumption: <300 mA @ 24 VDC

Range of application / Storage conditions: –5…60°C / 0…100%rh, non-condensing

Firmware upgrade: Via HygroSoft software

Service interface: UART service interface (inside device)

CE / EMC compatibility: EMC-Directive 2014/30/EU

Fire protection class: Corresponds to UL94-HB

Differential pressure measurement

Measurement principle:

Thermal mass flow measurement

Membran sensor

Measurement ranges:

Thermal: ±10 Pa / ±25 Pa / ±50 Pa / ±100 Pa / ±250 Pa / ±500 Pa

Medium: Air and non-aggressive gases

Accuracy at 23°C ±3 K: ±1.0 %FSS

Long-term stability:

Thermal: ±0.05 % FSS/year (typ.), ±0.1 % FSS/year (max.)

Measurement interval: 1 s

Pressure resistance:

Thermal: 5 bar

Leak rate: <10.8 ml/h

Pressure connections: Tubing connector Ø 4 mm × 10 mm

Measurement of temperature and relative humidity (type-dependent)

Probe connections:

Temperature: 4-pin Binder for 4-wire PT100

Humidity: Rotronic E2 for Rotronic HC2A-S probe

Accuracy: probe dependent

Outputs

Analog outputs: Min. 1, max. 3, freely configurable

Analog output type:

0 to 1 V

0 to 5 V

0 to 10 V

0 to 20 mA

4 to 20 mA

Relais / Switch output: 1 relay potential-free change-over switch (NC - COM - NO)

Accuracy analog output @ 23°C: Voltage output: ±1 mV // Current output: ±20 µA

Permissible load: >1 kΩ (voltage output) / <500 Ω (current output)

Datasheet

Brochure

User Manual