Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 193
8.10.7 Testing the Battery
The Battery Test option provides additional battery information for service
troubleshooting. To enter the option, scroll down to the Battery Test entry in
the Service Menu and press [ENTER]. The screen appears similar to
Figure 128 below.
Figure 128: Battery Test Option
The screen displays current status (Fast Charge, On Charge, Discharging, or
On Battery), the time remaining for the PT878 to run on the battery, the time
for the Fast Charge, and the current condition of the backup battery.
1. If you wish to open the Part Number window, press [ENTER]. You can
choose from a 1.8 Ahr NiCd battery (part number 200-058) or a 3.0 Ahr
NiMH battery (part number 200-081). Scroll to the battery type you
have installed and press [ENTER].
2. To condition the batteries, press the [ENTER] key. The “Condition
Battery” window should now read “Stop.” The status line should
change to “Discharging.” (Updating the status could take up to 30 sec.)
3. To stop the discharge cycle, press the [ENTER] key and the “Condition
Battery” window reappears. The status now changes to “On Charger.”
4. Press [F3] (OK) to return to Operate Mode.
Service Battery Form
Cancel
OK
Status: Fast Charge
Batt Voltage 5.78 Volts
Fast Charge 3 Min
Condition Battery
Run Time 250 Minutes
Backup Battery: OK Batt temp 27.7 °C
Part Number: 1.8Ahr NiCd (200-058)