UT241/242/243 OPERATING MANUAL
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Safety Warning------------------------------------------------------------------------------------------------- 1
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Characteristics------------------------------------------------------------------------------------------------- 2
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Instrument Layout--------------------------------------------------------------------------------------------- 9
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Key function----------------------------------------------------------------------------------------------------13
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Preparation before measurement------------------------------------------------------------------------ 16
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Measurement function of electric energy--------------------------------------------------------------- 16
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Setup mode---------------------------------------------------------------------------------------------------- 45
10 Battery replacement ---------------------------------------------------------------------------------------- 47
11 Maintenance--------------------------------------------------------------------------------------------------- 48