Diode Valve Characterstics Appts. with DC Regulated power supply

Objective : VI char of Diode Valve at various filament voltages.
Features : Instrument comprises of DC Regulated Power Supply 0-300 VDC/30 mA AC Power Supply, 0- 6.3 VAC/1Amp, two round meters for voltage &
current measurement, valve diagram is Printed on Front panel, connections of Supplies & Valve brought out at 4mm Sockets.
Accessories : Set of 4 single point patch cords.

Objective : V I char of Triode valve at various Grid voltages.
Features : Instrument comprises of DC Regulated Power Supply 0-300 VDC/30 mA & 0-25 VDC/30mA & One 0-25 VDC/10mA, AC Power Supply 6.3 VAC/1Amp, three round meters for voltage & current measurement, valve diagram is Printed on Front Panel, connections of Supplies & Valve brought out at 4mm Sockets.
Accessories : Set of single 6 point & 1 interconnectable patch cords.

Tetrode/Pentode Valve Char. Appts.with DC Regulated Power Supplies
Objective : Plate & Screen char. of Tetrode & Pentode Valve at various Grid voltages.
Features : Instrument comprises of Two DC Regulated Power Supplies 0-300 VDC/30 mA & one 0-25 VDC/10mA, AC Power Supply 6.3 VAC/1Amp, five round meters for voltage & current measurement, valve diagram is Printed on Front panel, connections of Supplies & Valve brought out at 4mm Sockets.
Accessories : Set of 8 single point & 3 interconnectable patch cords.

Objective : To draw V-I char. of Thyraton valve & calculate its lonization
Potential.
Features : Instrument comprises of DC Regulated Power Supply 0-15 VDC/150mA & AC Power Supply 6.3 VAC/1 Amp, two round meters for voltage & current measurement, valve diagram is Printed on the Front panel, connections of Supplies & Valve brought out at 4mm Sockets.
Accessories : Set of 4 Single point patch cards.

Thyratron Valve Characterisitics Apparatus using Thyratron valve 2D21
Objective : To draw VI char. of Thyratron valve at various Grid Voltage.
Features : Instrument comprises of Two DC Regulated Power Supplies 0-5VDC/150mA,0-15VDC/150mA, AC Power Supply 6.3 VAC/1 Amp, three round meters for voltage & current measurement ,valve diagram is Printed on Front panel,connections of Supplies & Valve brought out at 4mm Sockets.

Accessories : Set of 6 single point & 1 interconnect able patch cords

Plank's Constant Appts

Objective : To plot Forward & Reverse char. of a Vaccum Photocell & to calculate its Stopping Potential.
Features : Dual range Power Supply (P 526) 0-1VDC/0-50 VDC with one dual range voltmeter & one sensitive centre zero Galvanometer of 25 uA movement, Photo cell mounted in wooden box having window for injecting light & also for sliding the various filters, One wooden plank (W 526) with 1/2 meter scale, light source with 100 W lamp(L526) & set of filters (G 526)

Photo Cell Characteristic Appts

Objective : To plot forward & reverse char. of a Selenium Photocell & to verify Inverse Square Law of light.
Features : Selenium Photocell mounted in metal box having window for injecting light, light source with 60W lamp(L 527), Photo Cell Kit (P 527) with DC microammeter of 1000 mA & DC Millivoltmeter of 500 mV & one wooden plank with 1/2 meter scale (W 526).