WIKA FSD-3, Руководство по эксплуатации

Страница: 11 / 112

11 WIKA operating instructions flow switch, model FSD-3
EN
14153887.01 09/2016 EN/DE/FR
5. Commissioning, operation
5. Commissioning, operation
5.1 Mechanical mounting
Only use the flow switch if it is in perfect condition with respect to safety.
Prior to commissioning, the flow switch must be subjected to a visual inspection.
Commissioning and operation of the instrument may only be carried out by skilled personnel, see chapter 3.3 “Person -
nel qualification”.
5.1.1 Requirements for mounting point
The mounting position and probe length are extremely important for the quality and reliability of the measuring results.
The mounting point must meet the following conditions:
■
Sealing faces are clean and undamaged.
■
Sufficient space for a safe electrical installation.
■
For information on tapped holes and welding sockets, see
Technical information IN 00.14 at www.wika.com.
■
Permissible ambient and medium temperatures remain
within the performance limits. Consider possible restric-
tions on the ambient temperature range caused by mating
connector used.
→ For performance limits see chapter 9 “Specifications”
■
The probe tip must be completely surrounded by medium.
■
Position the probe tip in the area of maximum flow rate
(pipe centre).
■
The minimum immersion depth of the probe is L ≥16 mm.
■
The probe tip must not touch the opposite wall.
Air
Medium
Deposits