Krohne OPTIFLEX 1300C EN User Manual download pdf (Page 29)

INSTALLATION 3

OPTIFLEX 1300 C

www.krohne.com03/2014 - 4000172306 - HB OPTIFLEX 1300 R07 en

Installation in tanks containing one liquid and foam

• Drill a pressure equalization hole in the stilling well above the maximum level.

• Deburr the hole.

• If the probe has a counterweight, make sure that there is enough space between the

counterweight and the wall of the stilling well.

Installation in tanks containing more than one liquid

• Drill a pressure equalization hole in the stilling well above the maximum level of the top liquid.

• Drill more holes along the length of the stilling well. Distance between holes ≥ 25 mm / 1¨

(depends on the minimum layer to be measured)

i These holes help the liquids to move freely.

• Deburr the holes.

• If the probe has a counterweight, make sure that there is enough space between the

counterweight and the wall of the stilling well.

Floating roofs

If the device is for a tank with a floating roof, install it in a stilling well.

Figure 3-18: Installation recommendations for stilling wells

1 Stilling well in tanks containing one liquid

2 Stilling well in tanks containing more than one liquid

3 Air circulation hole

4 Maximum level of the liquid

5 Liquid circulation hole

6 Distance between holes ≥ 25 mm/1¨ (depends on the minimum layer to be measured)

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Krohne OPTIFLEX 1300C EN User Manual Page 29