Uni-T UT219M [19/20] 页 19

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 10 Duty ratio measurement A Range Resolution Accuracy Overload protection 0 1 99 9 0 1 2 6 7 600V DC 600V AC Following requirements should be satisfied in duty ratio measurement The waveform is square wave and frequency 10kHz the amplitude 2 Vpp Input amplitude 30Vpp Frequency 1 kHz Duty 5 0 95 0 Frequency 1 kHz Duty 30 0 70 0 XIII Maintenance and Repair 5 35 UT219E Operating Manual Warning Remove the test probes before opening the bottom cover in order to prevent from electric shock 1 General maintenance a The repair and service of this clamp meter should be carried out by qualified professional maintenance staff or authorized repair department b Clean the case regularly with dry cloth but it is not allowed to use the cleaning agent containing lapping compound or solvent component 2 Installation or replacement of batteries The power supply for this product is 3 type AAA 1 5V batteries please install or replace the batteries by following order a Shut down this product remove the test probes at input end b With panel of this product facing down unscrew the battery box screws and pull out the cover take out the batteries install the new batteries according to the indication of the polarities c Please use the batteries of the same type do not install any improper batteries d After installing new batteries put back the battery cover and fix it with screws 36