Plank's Constant Apparatus with digital meters using photocell ( Superior)

Specification:

Plank’s Constant Apparatus has been designed to determine the value of Plank’s Constant (h)using by stopping potential Of Different Filters

The Set of Experimental set up comprises of the Following:
One continuously Variable, Overload & Short Circuit Protected DC regulated Power Supply Of 0-1V with output brought out on 4mm Socket
One Digital Panel Voltmeter & Current Meter are provided on the Front Panel to display voltage & current
Specification Meters:
Type: 3.5 Digit DPM
Parameter: DC Voltage, DC Current 
Range: Voltmeter: 0-1.999V DC, Current: 0-199.9uA
Resolution: Voltmeter: 0.001V DC, Current: 0.1Ua
Accuracy: Volt Meter: 0.5% + 2 Digits, Current Meter: 1% + 1 Digits
Vacuum type photocell mounted in a wooden box with a window to expose the cathode area of photocell and to insert different filters with connections brought out at 4mm sockets/terminals.

Product Type: Planck’s Constant Experimental Apparatus
Experiment: Determination of Planck’s Constant (h)
Principle: Photoelectric effect / relationship between light frequency and stopping potential
Control Unit: Integrated electronic control panel
Voltage Display: Digital voltage display
Current Display: Digital current display
Voltage Control: Adjustable voltage control
Current Control: Adjustable current control
Light Source: Enclosed variable-intensity light source
Light Intensity: Adjustable
Color Filters: 4 interchangeable optical color filters
Filter Size: Approx. 52 mm, as marked on filters
Filter Colors: Green, Orange, Red and Blue
Filter Mount: Removable optical filter arrangement
Electrical Connections: Front-panel terminals
Housing: Metal control unit with separate protective enclosures
Accessories: 
1.    Three Single pointed Patch Cords For interconnections.
2.    Three Round Filters Of Different Color (Red, Yellow, Orange, Green & Blue)
3.    Power Cord
4.    Lamp House (Metal Body) With Lamp 100 Watt.
5.    Instruction Manual

• Dimensions: 30 x21 x 14.5 Cm (Approx.)| Weight:2.327  kg 
• Packing: Cardboard Box
• Box  Dimensions:35.5 x25.5x 13.5 Cm | Weight:2.580 kg 
•  Part(1)Accessories(Box): Dimensions:20.5 x20.8x14 Cm | Weight: 0.800 kg
• Part(2)Accessories(Box): Dimensions:20.9 x15.8x18 Cm | Weight: 0.860 kg
• Overall Packing Dimensions: 55.5x 29.5 x21cm
• Total Gross Weight: 4.260 kg
• HSN CODE: 9023
• GST: General Standard 18%
• CATAGORIES: ELECTRONIC APPARATUS
• BRAND: OM LABS