What are the specifications of the tester?

What are the specifications of the tester?

The tester specifications are designed to accurately simulate electrostatic discharge. The main specifications are as follows: Energy storage capacitance: 150 pF Discharge resistance: 330 Ω Output voltage: Contact discharge 8 kV, air discharge 15 kV Output voltage display accuracy: ±5% Output voltage polarity: Positive and negative (switchable) Holding time: 5 seconds or more Discharge operation mode: Single shot (discharge interval is 1 second or more)