Pressure and continuous level measurement

Fully welded pressure sensor with hygienic connection and touch screen

• Flush membrane with 3-A sanitary standards (FDA-compliant) and EHEDG
• Resistant to all common CIP cleaning media and SIP-capable (150 °C max, < 60 min)
• Versions available for high media temperatures (200 °C)
• Built in graphical display (CombiView DFON optional) and programmable by touch screen or with FlexProgrammer 9701
• Optionally available with additional relays and 4 ... 20 mA with HART
• Available with optional ATEX approval (4 ... 20 mA output signal)

Technical data

Performance characteristics
Measuring range                                     -1 … 68 bar
Min. measuring span                                0.05 bar
Max. measuring span                                69 bar
Pressure type                                         Absolute
                                                           Relative (gauged)
Standard error of measurement (BFSL)         ± 0.04 % FSR , up to 2:1 turndown ratio
                                                            ± 0.1 % FSR , up to 4:1 turndown ratio
                                                            Including non-linearity, hysteresis and non-repeatability according BFSL
                                                            For turndown, multiply this value by the applied turndown ratio
Max. measuring error                               ± 0.1 % FSR , up to 2:1 turndown ratio
                                                           ± 0.25 % FSR , up to 4:1 turndown ratio
                                                           Including zero-point and span error, nonlinearity (by terminal base line), hysteresis and non-repeatability (EN 61298-2)
                                                           For turndown, multiply this value by the applied turndown ratio
Temperature coefficient                           ≤ 0.05 % FSR/10 K , measuring span
                                                          ≤ 0.05 % FSR/10 K , zero point
Compensated temperature range              -40 … 85 °C
Long term stability                                 ≤ 0.1 % FSR/a , IEC 770 6.3.2
Max. turndown ratio                               10 : 1
Rise time (10 ... 90 %)                             ≤ 0.3 s
Sample time                                         ≤ 0.3 s
Power-up time                                      < 10 s

Compliance and approvals
Explosion protection                              ATEX II 1D Ex ia IIIC T100 °C Da
                                                         ATEX II 1G Ex ia IIC T5
                                                         ATEX II 3 G Ex ec IIC T5

Data Sheet - PFMH Sreies                         Download