Ring lamp 80-B and 80-ARing Lamp 92-B and 92-A1. InputInput voltageAC 100V plus minu10% 50/60 HzInput current0.25Amp0.25Amp2. OutputLamp current210 mALamp voltage43V47VOperating cycle24 KHz Hi frequencyLamp input8 Watt10 Watt3. EnvironmentRoom Temperature10° - 35°CRoom Humidity35% - 90 % RH4. IsolationHigh Voltage TestAC - 1500V 1 minutes (between Input lines and Ground)Insulation ResistanceOver 100M 0hm/DC-500V (between Input lines and ground)5. Lamplife2 hrs & 50 minutes "on" and 10 minutes "ff" repeatingabout 4000 hours15 sec. "on" and 45 sec. "off" repeating250,000 times