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Commissioning, operation – WIKA TGT73 User Manual

Page 14

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GB

14028755.02 08/2012 GB/D/F/E

14

WIKA operating instructions model TGT73

6. Commissioning, operation

If this is not possible, the following limit values must not be exceeded:

Dry gauges:

Frequency range < 150 Hz

Acceleration < 0.7 g (7 m/s

2

)

Liquid-filled gauges: Frequency range < 150 Hz

Acceleration < 2 g (20 m/s

2

)

The liquid filling must be checked on a regular basis.

The liquid level must not drop below 75 % of the gauge diameter.

Heavy shocks, oscillations and vibrations lead to imprecise values,

increased wear in the movement, and fractures on welded or soldered

joints.

When mounting a gas-actuated thermometer that can be rotated

and swivelled, the specific instructions must be followed. In order to

set the indicator to the desired position, the following steps must be

taken:

1. The lock nut or union nut must be loosened at the process

connection.

2. The hexagon bolts and slotted screws at the swivel joint must be

loosened.

After mounting, set the compensating valve (if

available) from CLOSE to OPEN.

loosening

Make sure the screws on the

opposite side are loosened

as well!