With 12V low voltage operation, environmental safety and to avoid the harm caused by high frequency.
采用12V低电压工作，环保安全，避免高频所带来的危害。
Electronic load can be set for constant current, constant resistance and constant voltage operation.
电子负载可以设置为恒流﹐恒阻和恒压模式。
The new liquid crystals feature wide working temperature range, low voltage operation and high reliability.
新型液晶的特点是：工作温度范围宽，工作电压低，可靠性高。
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