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The LCD will display “OL”, red LED light on. In current mode, If the current is too high, the LCD will display “OL”, buzzer alarm. When the current exceeds 10A, the tester will automatically disconnect to protect the circuit to reduce unnecessary losses.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.