Benning IT 100, Руководство по эксплуатации

Страница: 37 / 42

Maintenance
6.6 Calibrating the device
5225 / 04/2022 en BENNING IT 100 37
6.6 Calibrating the device
Benning guarantees compliance with this technical and accuracy specifications stated in this
operating manual for the first 12 months after the delivery date.
To maintain accuracy of the measuring results, make sure that the device is recalibrated in
annual intervals by the BENNING Service [
} page 9] .
6.7 Replacing the fuse
The device is protected against overload by means of a fuse (FF 315 mA, 1 000 V, 10 kA).
Replace the fuse if it is defective.
Requirements
• New fuse (FF 315 mA, 1 000 V, 10 kA, d = 6.3 mm, l = 32 mm, e. g. item no. 757213)
• Voltage-free device [ } page 33]
• Slotted screwdriver and suitable Phillips screwdriver
• Open battery compartment cover (for this, see the procedure for replacing the batteries
[
}
page 36])
Procedure
1. Laterally lift one end of the defective fuse off the fuse holder by means of a slotted
screwdriver.
2. Remove the defective fuse from the fuse holder and dispose of it properly [
}
page 39].
3. Insert the new fuse and position it centrally in the fuse holder.
4. Place the battery compartment cover back onto the device and tighten the screw.
5. Put the protective rubber holster back onto the device.