Berthold LB 444 - Calibration Methods

Density Meter LB 444 SECTION 5. GETTING STARTED
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5.1.1.2 Shielding Container for Installation in a Container
Version with knurled nut
• Open padlock and turn protective cap until it can be taken off.
• Open knurled nut and pull source forward to position “OPEN”.
• Turn counter nut completely back toward the screw head. Firmly tighten the
knurled nut.
• Firmly turn counter nut toward the front, in the direction of the protection
pipe and tighten it firmly.
• Attach protection cap again. DO NOT secure it with a padlock.
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CLOSED
OPEN
Knurled nut
Counter nut
Figure 24: Locking mechanism with knurled nut