Table comparison of various models:
Zy1280: USB2.0 interface, including all functions of 1276. Newly added USB upgrade, connected to the upper computer, with large screen and multiple functions.
Zy1276: USB2.0 interface, with almost full-function fast charge trigger detection function, higher current resolution and measurable type-C PD adapter.
Zy1275: Super current Huawei 8A plug and socket, with a total internal resistance of only 15 milliohm, with almost full-function fast charge trigger detection function, and can measure type-C PD adapter.
Zy1273: USB3.0 interface. It is necessary to test USB3.0 equipment. It supports vooc and dash fast charging. It has a typec interface and can measure the line resistance from USB to type-c.
Zy1272: USB2.0 interface, no other measuring line interface, with safety monitoring function, overvoltage, overcurrent, undervoltage and stop charging after filling.
Zy1271: USB2.0 high current interface, with 2 typec interfaces and microusb interfaces, can measure bidirectional PD voltage and current, Huawei 5v5a and large screen.
Zy1270: USB2.0 high current interface, dual USB output ports, with microusb interface, acceleration charging function, Huawei 5v5a, large screen.
Zy1266: a cost-effective black-and-white USB meter with the same accuracy as 127x series.
Zy1265: a black-and-white screen USB meter with higher cost performance than zy1266. The current accuracy is the same and the voltage accuracy is one bit lower.
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