V-A measuring range ac 90-280v & upto 50A ac
? can be used for ac 110v, 220v
? ac voltage measurement the voltage meter
? wiring is simple
? reliable performance
? 056-inch led digital display
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??Precautions:
Due to the existence of high-voltage circuit board on the back of the voltmeter, touch the circuit board or parts have the risk of electric shock, it is not recommended for electronic enthusiasts and ordinary consumers to use the voltage meter capacitor buck, can not be used in electronic speed control, scr dimming, ups, or other high-frequency components, non-sine wave of the occasion, or easy to burn
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The voltage meter is not dampproof, waterproof, shockproof, anti-oil treatment
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Technical parameters:
– Measuring range:?Ac90-280v & 50A
– minimum input: Ac90v (below the minimum voltage measurement is not accurate? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?or not displayed)
– lead length? ? ? ? ? :?20cm
– maximum input:?Ac280v (above this voltage there is a danger of burning)
– allowable error :?5 percent (+/- 5 word)
– display? ? ? ? ? ? ? ? ? :?Three 056 “led digital tube display
– color? ? ? ? ? ? ? ? ? ? ? :?Red
– refresh rate? ? ? ? ?:?About 200ms
– time current? ? ? ? :?Less than 20ma, usually 5-15ma
– operating temperature: -10 _ ~ 65 _