Pentode/Tetrode Characteristics Apparatus with Stabilised Power Supply

Pentode/Tetrode Characteristics Apparatus with Stabilised Power Supply (EL 131)

Instruments Comprises of two DC regulated power supply one 0-300V DC/30mA other is 0-150V DC/15mA and 0-25V DC/10mA for bias, AC power supply 6.3VAC/1amp. five round meters for voltage and current measurment value diagram is printed on front panel.