MI 3309 DeltaGT
Maintenance
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9 Maintenance
9.1 Periodic calibration
It is essential that all measuring instruments are regularly calibrated in order for the
technical specification listed in this manual to be guaranteed. We recommend an annual
calibration. The calibration has to be done by an authorized technical person only.
9.1 Replacing the fuses
The DeltaGT MI 3309 instrument contains two accessible fuses:
F1, F2 fuse type:
T 16 A / 250 V, 20
5 mm, breaking capacity 1500 A
General input protection fuses.
Warnings:
Disconnect all measuring accessories, mains supply and power off the
instrument before opening the battery or fuse compartment cover, hazardous
voltage inside!
Replace blown fuse with same type only, otherwise the instrument may be
damaged and / or operator’s safety impaired!
Position of fuses F1, F2 can be seen in
Figure 2.2
in chapter
2.2 Connector panel
.
9.2 Service
For repairs under or out of warranty please contact your distributor for further information.
Unauthorized person is not allowed to open the DeltaGT instrument. There are no user
replaceable parts inside the instrument.
9.3 Cleaning
Use a soft cloth, slightly moistened with soapy water or alcohol to clean the surface of the
instrument. Leave the instrument to dry totally before using it.
Notes:
Do not use liquids based on petrol or hydrocarbons!
Do not spill cleaning liquid over the instrument!
