High school physics laboratory battery discharge tester

Basic performance
1 the instrument electric spark distance is not less than 30mm, the discharge spark is not less than 1mm,
2 use power: 220V/50Hz;
3 discharge distance: not less than 5mm
4 bell type glass cover volume: 120ml
5 continuous working time: less than 15min
6 relative humidity: less than 85%
7 power loss: < 30W
8 outline dimension: high 176mm length 188mm width 130mm;
9 quality: 0.8kg
main features Secure:
1 the high voltage output and the operating circuit of the instrument adopt double safety protection, making use of the instrument, such as open circuit and short circuit are not easy to damage.
2 security plug-in mode.
3 products have the power switch, button switch; press the discharge button, the discharge starts, release the button discharge end.
4 environmental protection has taken the following effective measures
A, the harmful gas can be collected through the ventilation hole:
B, "booster circuit" in the electrical components of the casting arc, low noise.
5 after use convenient maintenance, disassembly and cleaning.