Fluke 983 FE 983 Users Manual - Page 32
Charging the Battery and Using the AC Adapter
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Fluke 983 Users Manual WCaution To avoid damaging the Particle Counter, do not use abrasives or solvents to clean the Particle Counter case. Charging the Battery and Using the AC Adapter Recharge the battery as soon as "LOW BATTERY" appears on the display. The battery symbols on the display show the status of the battery: ++ The battery is in "Fast Charge" mode. The ac adapter/charger is connected and the battery is charging. When the battery is below 95 % of its charge, the Particle Counter uses "Fast Charge" mode to bring the battery back up to 95 %. + The battery is in "Trickle Charge" mode. Once 95 % of the charge is attained, the Particle Counter switches to "Trickle Charge" mode to charge the remaining 5 % of the battery. The battery is fully charged. The battery is partially charged. The ac adapter is used to recharge the battery as well as power the Particle Counter. This feature allows the counter to be used while the battery is charging. To connect the ac adapter/charger: 1. Attach the power cord to the end of the charger. 22 2. Plug the charger into the 12V jack on the base of the Particle Counter. 3. Plug the ac adapter into an ac outlet. The Particle Counter will take two hours to fully charge. Note If the Particle Counter is powered off during charging (Trickle Charge mode), the battery will require up to 18 hours for a full charge. To charge the battery in 2 hours, the Particle Counter must be turned on while charging (Fast Charge mode). If the Particle Counter is charged while powered off (Trickle Charge mode) the battery symbol in the display will not update to show the actual charge status until the Particle Counter is turned on with the charger plugged in for approximately five minutes.