Table of Contents
Advertisement
The longer your battery is stored, the more it is discharged. After three months' storage of the battery without
periodic recharging, the battery is probably fully discharged.
Possible consequences are:
■
Failure of the instrument to switch on, as long as the power cord is not connected.
■
A loss of the instrument's date and time.
7.3.3 Optimize Battery Charging
During charging, the temperature of the battery rises substantially, especially towards the end. A safety device,
built into the battery, checks constantly that the battery temperature does not exceed an acceptable maximum.
If this maximum is exceeded, the charger switches off automatically, even if charging is not complete.
Above 86°F (30°C), it is not possible to charge the battery fully because the charging will cause overheating.
7.3.4 Battery Life
The mean battery life depends on the measurement and on how the device is used.
Test Voltage (V)
500
Battery Life (h)
How long your device can operate when the battery is fully charged depends on several factors:
■
The consumption of the device, which depends on the measurements you make.
■
The capacity of the battery is greatest when the battery is new, and declines as the battery ages.
Here are a few ways to extend battery life between charges:
■
Use the back-lighting only when it is strictly necessary.
■
Set the brightness of the back-lighting to the lowest level at which you can still read the display unit.
■
Enable the Auto Power OFF function (see SET-UP § 3.4).
■
During insulation measurements conducted in MANUAL mode, with high test voltages, stop the
measurement by pressing the START/STOP button when the measurement is complete.
7.3.5 "Defect" message
When a battery is deeply discharged or its storage temperature is low, the charger may execute a reactivation
stage prior to fast charge. That means that the charger applies a slow charge until the battery reaches either a
minimum temperature threshold or a minimum charge voltage threshold.
If the battery is in good condition, this reactivation stage ends after about 45 minutes then charger switches
over to fast charging.
However, if the maximum time allowed for the reactivation stage is exceeded or the internal resistance of a bat-
tery at the end of its life is high, the instrument declares the battery defective in the form of a "Defect" message
on the instrument screen.
The instrument must then be sent in for repair (see § 8.5).
60
Shop for AEMC products online at:
1000
2500
15
12
2
www.
5000
10,000
2
2
ShopAEMC
.ca
15,000
Voltmeter
2
25
Megohmmeter Models 6550/6555
1.877.766.5412
Hide quick links:
Advertisement
Table of Contents
