Level Transmitter PFMH

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

Process connection

Connection variants

• Refer to section "Dimensional drawings"

Wetted parts material, membrane

• AISI 316L (1.4435)

  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