differential Pressure Transmitter with high overload protection
of up to 60 times range.
combine high accuracy measurement with high overload protection
at reduced cost, Keller's new PD-39X differential pressure transmitter
employs two absolute pressure sensors to measure system line
pressures P1 and P2.
The digital subtraction
of line pressure P1 from P2 provides a stable differential output
signal with the benefit of high overpressure protection, up to
60 times differential range.
The two 316L
stainless steel sensors are digitally corrected for repeatable
errors of non-linearity and temperature effects using modern
microcontroller techniques. This results in a Total Error Band
of 0.2% FS over a compensated temperature range of -10 to 80
deg C, dependent on the line to differential pressure ratio.
pressure ranges are available from 200mbar (line pressure to
1000bar) with output as a 4 to 20mA or 0 to 10V analogue signal.
As standard, the PD-39X also includes a bus capable RS485 digital
interface that enables measurement of line pressure P1, line
pressure P2, differential pressure P1-P2 and sensor temperatures
T1 and T2.
The PD-39X is
available in industrial housings with options of process and
electrical connections or can be offered as an OEM alternative
for assembly into customer housings or installations.
is priced at a competitive £269.
For more information,
Technology Centre, Dorchester DT2 8DH. UK
Tel: +44(0) 845 643 2855 Fax: +44(0) 845 643 2866
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