About this item ►The product can be set with over-voltage, under-voltage, over-current, over-power, and external over-temperature protection. When the value is out of the protection value range, the output state of the instrument is turned off (need to be used with a relay) to prevent damage to the electrical equipment. The protection recovery time and delay time can be set, which is suitable for various occasions. ►The product has added a self-calibration function, and the current and capacity values can still remain accurate after long-time work. ►Amp-hour, watt-hour, and time data can be cleared during the measurement process without affecting the next measurement. The voltage and current values can also be fine-tuned to ensure accurate capacity.
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