Martel Electronics MasterCAL - Manual (Page 32)

MasterCAL
Users Manual
22
Battery Life
The calibrator senses which battery is installed
(standard NiMH, or optional Ni-Cd model BP 7217).
If the NiMH battery is installed, a battery gauge bar
graph
Z shows on the upper right of the display.
If the Ni-Cd battery is installed, there is no battery
level indication except for a low battery symbol
b ,
that appears when it is time to charge the battery.
Table 4 shows the typical operating time for a new,
fully charged NiMH (Nickel-Metal Hydride) battery
pack. The optional Ni-Cd battery (Model BP7217)
provides approximately half the battery life of the
NiMH battery. Calibrator performance is guaranteed
to meet specifications until the battery gauge reads
empty (
Y or b ).
To replace the battery, refer to “Replacing the
Battery” later in this manual for instructions. In the
case of the Ni-Cd battery, for longest battery life and
best performance, wait for
b to appear before you
charge the battery.
Table 4. Typical Battery Life with Standard NiMH Battery Pack
Operating Modes Backlight Off Backlight On
Measure, continuous 13 Hours 12 Hours
Measure and source, with loop power on, continuous 7 Hours 6 Hours
Typical intermittent operation >16 Hours >16 Hours