
3.2 Application range
Overview
Depending on the version, a transmitter measures corrosive, non-corrosive and hazardous
gases, vapors and liquids.
You can use the transmitter for the following types of measurement:
● Gauge pressure
● Absolute pressure
● Differential pressure
With appropriate parameter settings and the necessary add-on parts (e.g. flow orifices and
remote seals), the pressure transmitter can also be used for the following measurements:
● Level
● Volume
● Mass
● Volumetric flow
● Mass flow rate
The output signal is always a load-independent direct current between 4 and 20 mA.
You can install the "intrinsically-safe" or "explosion-proof" version of the transmitter in
hazardous areas. The devices have an EC type examination certificate and comply with the
appropriate harmonized European CENELEC directives.
Transmitters with remote seals of different shapes can be delivered for special applications.
For example, measuring high-viscosity substances is a special application.
Gauge pressure
This version measures aggressive, non-aggressive and hazardous gases, vapors and liquids.
The smallest span is 0.01 bar g (0.145 psi g), and the largest 700 bar g (10153 psi g).
Differential pressure and flow rate
This version measures corrosive, non-corrosive and hazardous gases, vapors and liquids. You
can use this version for the following measurement types:
● differential pressure, e.g. effective differential pressure
● Gauge pressure, suitable for small positive or negative pressure value
● in combination with a restrictor device: flow rate q ~
The smallest measuring span is 1 mbar (0.0145 psi), the largest 30 bar (435 psi).
Description
3.2 Application range
SITRANS P, DS III series with HART
18 Operating Instructions, 09/2012, A5E00047092-08
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