Spectrex 20/20U (UB) - UV Flame Detector - Manual (Page 55)

Spectrex Inc. - SharpEye™ UV Flame Detector Manual – TM 20/20UB Rev. E, August 2004
47
Battery Charging
1 The Fire Simulator uses NiCd batteries as a rechargeable power source.
When the batteries are fully charged it will operate for at least 60 uses without
recharging. An internal buzzer is sounded when the voltage from the batteries
is lower than the required operational level.
2 Place the Fire Simulator into the storage case on a table in a safe area.
3 Turn the sealed plug (next to the operation button) counter clockwise with a
suitable wrench.
4 Connect the battery charger.
5 Charge for a maximum of 14 hours.
6 Disconnect the charger.
7 Tighten the sealed plug clockwise.