Surge Protector Test Set is a handheld, battery-operated tester designed to measure the clamping voltage and DC breakdown voltage of most SPDs. The Model 4030-0x is suitable for testing GDTs, carbon gaps, MOVs, Zener and avalanche diodes and thyristors as components and complete protectors.
Meets are done at the Auto Zone/Hy-Vee located at 95th and Antioch. 8601 W 95th St, 66212. Texting is best as I am not always able to talk on the phone.