| Brand | Unbranded |
|---|---|
| Pulse rate | 1Hz |
| Model | PC218 |
| Country of Origin | China |
Check the listing for details. PC218 Phase Polarity Tester Checker for Speaker Microphone Sound Testing. Condition: New, Made in China. Listed at 170.05 USD. Input impedance (Mic) : 1KOhm. - 1 x Tester. - Input level (Mic) : 10mV - 1V. - Power : 9V PP3 battery (= approx 50 hours). Physical Characteristics(For each box) - Pulse rate: 1Hz. - Power drain : 10mA.