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电力计 DB-00870-00
Fast, easy, non-contact voltage detection.
· Bright LED and audible alarm if voltage is present.
· ON/OFF switch for longer battery life.
· Use to detect the presence of voltage at outlets, lighting fixtures, …
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电力计 DB-00871-00
Use to detect voltage in low voltage applications ranging from 12-90 volts AC.
· Safe, non-contact voltage detection.
· Bright LED and audible alarm sound if voltage is present.
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电力计 DB-00872-00
Hassle free, automatic measurement of amperage, voltage and resistance.
· True RMS for the most accurate measurement when harmonics are present.
· Easy viewing, auto-illuminating backlit display.
· Auto Off fo…
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1.电压测量范围:10.0V~500.0V
电压测量误差:±(0. 5 %读数+ 40)
2.电流基本量限:1A/10A
电流测量误差:±(0. 5 %读数+ 20)
3.频率测量范围:45.00~65.00 Hz
频率测量误差:±0.02Hz
4…