VEGA VEGADIF 65 4 … 20 mA_HART - Manual (Page 68)

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8 Setup
VEGADIF 65 • 4 … 20 mA/HART
36128-EN-130417
Then carry out adjustment, see chapter "Set parameters".
8.4 Density and interface measurement
For density and interface measurements, VEGADIF 65 with double
chemical seal is used.
VEGADIF 65 in this version is immediately ready for operation.
8.5 Differential pressure measurement
For differential pressure measurements, VEGADIF 65 without chemi-
cal seal or with double chemical seal is used.
VEGADIF 65 with double chemical seal is immediately ready for
operation.
Before adjusting VEGADIF 65 without chemical seal, the effective
pressure lines must be cleaned and the instrument filled with medium.
+ –
I
II
+
6 7
3
2 4
A B
Fig. 57: Preferred measurment setup for gases
I VEGADIF 65
II 3-fold valve block
2, 4 Inlet valves
3 Breather valve
6, 7 Vent valves on VEGADIF 65
A, B Blocking valves
Instructions
Measurement setup for
gases