Planck Constant : POD068951

Technical parameters :

Current measures :
• Measure range : 10^(-8) -10^(-13) A
• 6 measurement ranges
• Digital display on 4 digits
• Zero drift

Cell supply :
• Voltage : -2V/+2V ; -2V/+30V
• 2 ranges
• Digital display on 4 digits
• Resolution 0.01 V
• Stability <0.1 %

Photocell :
• Spectral response : from 340 to 700 nm
• Nickel anode
• Sensibility : ≥ 1 μA/lm
• Dark current : I ≤ 2.10^(-12) A (-2V ≤ UAK ≤ 0V)

Filters : 5 filters on a cylinder : 365,0 nm ; 404,7 nm ; 435,8 nm ; 546,0 nm ; 577,0 nm.
Diaphragm : 2 / 4 / 8 mm.

– delivered without the optical bench, nor spectral lamp