Diode Valve Characteristics Apparatus
(Regulated Power Supply)
This instrument is designed to work on 230V A.C. it consists of 0-250 volts at 25mA continuously variable, well filtered D.C. stabilized power supply. Two moving coil meters (Voltmeter of 250V and millammeter of 25mA) are provided to read voltage and current. On/Off switch with jewel light and diode valve is fitted on the panel.