Pressure Transmitter
A pressure transmitter converts the physical quantity ‘pressure’ into an industry-standard signal. In fact, it is a mechanical device that translates the expansive force of a liquid or gaseous sample into an electrical output.
Aplications
Construction
The active sensing element is a piezoresistive silicon sensor separated from the medium by a diaphragm and by specially selected type of manometric liquid.
Installation
The transmitter is not heavy, so it can be fitted on the installation. For pressure measurements of steam or other hot media, a siphon or impulse line should be used. The needle valve placed upstream of the transmitter simplifies the installation process and enables the transmitter replacement
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Metrological parameters
Accuracy
0.4% FS
Hysteresis, repeatability
0.05% FS
Burst pressure
150% FS
Thermal compensation range
0 – 70°C
Thermal error
0.2% / 10°C
Long-term stability
0.5% / year
Material of wetted parts
00H17N14M2 (SS316L)
Material of casing
0H18N9 (SS304)
Electrical parameters
Output signal
4 – 20 mA, two-wire transmission
0 ÷ 10 V, three-wire transmission
Power supply
10…36 VDC – two-wire transmission 8…36 VDC – (spec. version)
13…30 VDC – three-wire transmission
Load resistance
(for current output)
Load resistance
(for supply output)
Operating conditions
Operating temperature range (ambient temp)
–25 – 80°C Medium temperature range
25 – 120°C – direct measurement
25 – 170°C – measurement using an impulse line
