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8027872/1JTM/0-8/2023-05| SICK O P E R A T I N G I N S T R U C TI O N S | FLOWSIC550
Subject to change without notice
PRODUCT DESCRIPTION 3
The FLOWSIC550 with volume conversion and external sensors is used at measuring ports
where a test/calibration of the pressure or temperature sensor in the system may be
required.
It is recommended to install a three-way test valve that separates the pressure sensor from
the measurement pressure and provides a test connection to test the pressure sensor.
Fig. 2: Three-way test valve with p-sensor and Minimess coupling
1
2
3
4
1 Pipe screw fitting 1/4“ NPT on pipe D06
or pipe screw fitting 1/4“ NPT on pipe 1/4“
2 Hand lever
3 Test connection (Minimess coupling)
4 Pressure sensor, connection thread G 1/4“
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