Uni-T UT219M Расширенная инструкция онлайн [9/20] 528822

Содержание

• Content 1
• Limited warranty liability 1
• Preface 1
• I overview 2
• Ii unpacking inspection 2
• Iii safe operation rules 2
• Iv features 4
• V electrical symbols 4
• Vi comprehensive specifications 5
• Vii overall configuration 5
• Viii lcd display ix knobs 6
• X buttons 7
• Measuring 8
• Xi operating instruction for 8
• 页 10 10
• 页 11 11
• 页 12 12
• 页 13 13
• 页 14 14
• 页 15 15
• Xii technical specifications 16
• 页 16 16
• 页 17 17
• Frequency 18
• In case of capacitance to be measured 1 pf it is suggested that the accuracy of measurement can be guaranteed only by using the rel measurement mode 18
• Mhz 1 vrms a 30 vrms 18
• Resistance measurement 8 capacitance measurement 18
• 页 18 18
• Xiii maintenance and repair 19
• 页 19 19
• 页 20 20

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2 AC Voltage measurement 1 Insert the red probe into V socket insert the black probe into COM socket 2 Set the functional range switch to v select the measuring range of AC voltage and parallelly connect the probes to the power supply or load to be measured 3 press HZ button to read the frequency and duty ratio 4 Set the functional range switch to LOZV position select low impedance AC voltage measurement its resistance is about 300 kQ which can prevent the impact of the virtual voltage A Note Do not input a voltage that is more than 600 Vrms As there is the possibility to measure much higher voltage but the risk to damage the instrument exists In case of measuring high voltage special attention should be paid to prevent the risk of electric shock After completion of all measuring operation disconnect the probes from the tested circuit When the measured voltage is higher than 30V AC safe voltage the LCD of this instrument will display high voltage warning prompt in case of over voltage input when it is more than AC 600 V range this instrument will automatically buzze intermittent sound and the high voltage warning prompt will flash to prompt the warning 15 16 I