Electric spark timer of multiple frequency

Specifications Cycle of paint dot T0=10ms, 20ms, 50ms Strength of the high pressure pulse breakdown 8mm gap of air Thickness of the paint dot thin, middle and thick Average current of the high pressure pulse 150 450µA Quality of the paint dots continuous 50 dots no leaks, the dots are clearly discernible, diameter ≤0.8mm Weight of the gravitational hammer 300g Effect of the experiment measuring acceleration of gravity is required to 9.9m/s2≥g≥9.5m/s2 Power supply AC 220V±22V 50Hz±0.5Hz Operating conditions Ambient temperature 0to 40 Relative humidity 20% to 90% (at 40) Weight of the electric spark timer approx 230g Dimension of complete set 152mm×72mm×265mm Weight of complete set approx 680g