Uni-T UT219M [13/20] 页 13

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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UNI UT219E Operating Manual UT219E Operating Manual 1 Insert the red probe into M socket insert the 6 Diode measuring black probe into COM socket The polarity of the red probe is the polarity of the black probe is 2 Set the function switch to H measurement position press SELECT button to select diode measurement read the positive PN junction voltage of the diode to be measured directly from the display For silicon PN junction it will be confirmed to be normal value if the reading is about 500 to 800 mV Notes If the diode to be measured is open circuit or the polarity is reverse OL will be displayed When measuring the on line diode turn off all power supplies in the circuit to be measured and discharge all residual charges on all capacitors before carrying out measurement The open circuit voltage of diode in UT219E is about 10 V more or less voltage value for voltage stabilizing diode can be measured less than 9 V Do not input DC or AC 30V and more voltage to prevent from personal injury After completion of all measuring operation disconnect the probes from the tested circuit 23 24