User Manual

INSTALLATION

OPTIWAVE 7400-24 C

www.krohne.com12/2015 - 4003518001 - MA OPTIWAVE7400-24-R01-en

Stilling wells: horizontal cylindrical tanks

We recommend that you install the device in a stilling well if the device:

• is for a horizontal cylindrical tank,

• is in a metallic tank,

• measures a product with a high dielectric constant and

• is on the centerline of the tank.

Figure 3-13: Floating roofs

1 Sediment

2 Support fixtures

3 Stilling well

4 Floating roof

5 Product

6 Tank

Figure 3-14: Horizontal cylindrical tanks

1 The device is installed without a stilling well. There are multiple reflections. Refer to the CAUTION! that follows.

2 The device is installed in a stilling well and measures correctly.