Rotronic PF4

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The PF4 series is the latest development from ROTRONIC . This differential pressure transmitter is an important addition to the ROTRONIC programme. Rotronic is a leader when it comes to measuring relative humidity (RH), temperature (T) and CO2.

Description

The PF4 series is the latest development from ROTRONIC . This differential pressure transmitter is an important addition to the ROTRONIC programme. Rotronic is a leader when it comes to measuring relative humidity (RH), temperature (T) and CO2.

The thermal measuring principle makes it ideally suited for measuring very small pressure differences, and with the possibility of connecting a HygroClip2 (HC2-S) for relative humidity and temperature, the device is ideally suited for applications such as operating theatres, hospitals, the pharmaceutical industry, clean rooms and so on.

ROTRONIC stands for unsurpassed accuracy and long-term stability. The new PF series meets these requirements with a long-term stability of < 0.3% /year and an accuracy of ± 1.0% of full scale.

Functions
• Highly accurate measurement and long-term stability
• Fast response time and low hysteresis
• Analogue signals freely configurable
• Potential-free output
• Large overload range
• Can be expanded with HygroClip2 (HC2-S) sensor or analogue inputs
• Good resistance to dust and moisture in the medium

Specifications

Dimensions129 x 72 x 45 mm
Weight240 g
Range of application0…70 °C / 0…90 %rh; 0…60 °C / 0…90 %rh with display
Accuracy at 23 ±5 °C±1.0 % of full scale @ 23 °C ±3 K
InputsDifferential pressure, hose connections, 4 mm internal diameter Optional: HygroClip2 / analog input 1 Pt100 connection, 4-wire
Measuring range-25…+25 Pa / -50…+50 Pa -100…+100 Pa / -250…+250 Pa -500…+500 Pa -100…200 °C (probe-dependent) 0…100 %RH (with HC2)
Pressure dependency0.1 %/hPa
Pressure resistance2 bar (2’000 hPa)
Air flow120 – 180 μl/min
Accuracy analog output±10 mV (voltage output); ±20 μA (current output)
Switch output1 relay, Time delay, duty cycle, resetting configurable
Switching capacity<50 VAC / <75 VDC / <1 A
Power supply15…40 VDC / 14…28 VAC
Current consumption<70 mA / <150 mA (with Ethernet)
Long-term stability<0.3 %/ year
Response time t 63<10 ms (only sensor element)
Alarm functionsConfigurable relay, HW4
Type of output signalsVoltage, current, digital (optional)
Analog output signal (standard)0…1 V, 0…5 V, 0…10 V, 0(4)…20 mA
Communication interfacesEthernet (optional)
HousingABS
Cable connections1 x M16, terminal
IP protection ratingIP65
FDA / GAMPFDA 21 CFR part 11 / GAMP5
Temperature adjustmentSingle-point
CE / EMC conform2004/108/EC




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