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The PC-29A and PC-29B pressure transmitters are applicable to the measurement of the pressure, underpressure and absolute pressure
of gases, vapours and liquids. The active sensing element is a piezoresistant silicon sensor separated from the medium by a diaphragm
and by specially selected type of manometric liquid. The electronics is placed in a casing with a degree of protection from IP 65 to IP 68,
depending on the type of electrical connection applied.
Calibration
Potentiometers can be used to shift the zero position and the range by up to ±10%, without altering the settings.
Measurements under explosion hazard
ATEX Intrinsic safety version is available for taking measurements in zones under explosion hazard. The installation of the transmitter in a
zone under explosion hazard requires the use of a Ex power supply. We recommend the use of the Aplisens ZS-30/1Ex power supply and
separator.
Technical data
Any measuring range 0...25 mbar ÷ 0...1000 bar (over pressure, under pressure); 400 mbar ÷ 80 bar (absolute pressure)
Hysteresis, repeatability 0,05%
Response time < 120 ms
Thermal compensation range -10...80°C
Operating temperature range (ambient temp.) -40...80°C
Medium temperature range -40...120°C
over 120°C – measurement with use an impulse
CAUTION: the medium must not be allowed to freeze in the impulse
line or close to the process connection of the transmitter
Material of wetted parts 316Lss
Material of casing 304ss, 316Lss
Power supply: please see datasheet
Details about power supply for Exia version available in manual
Error due to supply voltage changes 0,005%/ V
Load resistance R≥ 20 kΩ