User's Manual

Franck-Hertz Experiment Tunable DC (Constant Voltage) Power Supply I
9
012-14264A
Tunable DC (Constant Voltage) Power Supply I
• Voltmeter: Displays voltage across the argon tube.
• Voltage Range Switch: Sets the voltage range as -4.5 – 0 V ( ) or -4.5 – +30 V ( ).
• Power Switch: Turns the power to the instrument ON or OFF.
• Voltage Adjust: Sets the voltage across the argon tube.
• Output: Output power.
• Data Interface: Connect to the analog channels of the PASCO 850 Universal Interface.
Tunable DC (Constant Voltage) Power Supply II
• Voltmeter: Displays voltage across the argon tube.
• Voltage Range Switch: Sets the voltage range as 0 to 100 V ( ) or 0 to 200 V ( ) for the accelerating volt-
age.
• Power Switch: Turns the power to the instrument ON or OFF.
• Voltage Adjust: Sets the voltage for both voltage ranges.
Power
Switch
PASCO 850
Universal
Interface
Ports
Voltmeter Voltmeter
Voltage
Adjust
Voltage
Adjust
Voltage Range
Switch
Output
0 – 6.3 V
Output
-4.5 – 0 V
-4.5 – +30 V
Power
Switch
PASCO 850
Universal
Interface
Ports
Voltmeter Voltmeter
Voltage
Adjust
Voltage
Adjust
Voltage Range
Switch
Output
0 – 12 V
Output
0 – 100 V
0 – 200 V