The typical value of outer diameter 1.6mm

The withstand voltage of up to 1KVpk

The typical precision 2%

Insulation voltage 1KV

The standard USB 5V adapter

Ring diameter typ 3.8mm

The withstand voltage of up to 2KVpk

The typical accuracy of 2%.

Insulation voltage value 2KV

The standard USB 5V adapter

Ring diameter typ 8mm

The withstand voltage of up to 10KVpk

The typical accuracy of 2%.

Insulation voltage value 10KV

The standard USB 5V adapter