Because of the low test current level used, a very sensitive voltmeter is required to measure the voltage drop, which is usually in the microvolt range.

由于所使用的测试电流很低，所以就需要非常灵敏的电压表来测量这种通常在微伏范围的电压降。

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IV test System is designed for in-depth functionality testing of OLEDs and organic photovoltaics (OPVs). Broad voltage range and high current measurement accuracy.

OLED IV测试系统，是一套设计用以深入测试oled和有机太阳能电池功能性的设备，它拥有大驱动电压范围，以及高准确度的电流量测。

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