Velleman INHA570 Notice D'emploi page 7

7. Battery
• When the low battery indication (
batteries.
• Always disconnect test leads when replacing the battery. Do not us the
device without batteries installed.
• The battery cover is located on the back of the device and is closed with
one screw. Remove the screw and open the battery compartment.
• Remove the batteries and insert two new batteries following the polarity as
indicated in the battery holder. Only use new batteries of the same type
and specifications.
• Reinstall the cover and secure it with the screw.
•
Remove the battery when the device is not in use to avoid leakage.
•
Do not recharge batteries and do not throw in fire as they may explode.
WARNING: handle batteries with care, observe warnings on
battery casing. Dispose of batteries in accordance with local
regulations.
Keep batteries away from children.
8. Troubleshooting
No display
appears
OL appears
impossible value
• Only replace the internal fuse with a fuse of the same type and
specifications. Always disconnect test leads when replacing the fuse.
9. Technical Specification
DC voltage
basic accuracy
input impedance
maximum input
AC voltage
basic accuracy
input impedance
00 (27/11/2008)
INHA570 (DVM870)
)
check whether power is on
replace battery
check fuse
replace battery
select appropriate range
make sure measured value is within limits
replace battery
0.2/2/20/200/600V
±(0.5% of rdg + 4 digits)
±(1.0% of rdg + 4 digits) for 600V range
> 10MΩ
600V
0.2/2/20/200/600V
±(0.8% of rdg + 6 digits)
±(1.5% of rdg + 20 digits) for 0.2V range
> 10MΩ
7
appears, replace the internal
®
Velleman