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Preface Thank you for purchasing this brand new multi meter In order to use this product safely and correctly , please read this manual thoroughly , especially the Safety Instructions part After reading this manual , it is recommended to keep the manual at an easily accessible place , preferably close to the meter , for future reference Limited Warranty and Liability Uni - Trend guarantees that the product is free from any defect in material and workmanship within one year...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual Overview UT 15 B PRO / UT 17 B PRO / UT 18 B PRO is highly reliable true RMS multimeter with auto backlight function Equipped with its built - in VFC anti - interference start mode , it can filter the carrier frequency interference from Table of contents...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual III . Accessories 2 . Safety Instruction Warning Open the package and check the below items if any is missing or damaged , please contact your supplier immediately : To ensure safe operation and service of the tester , follow these instructions...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual V . Electric Symbols TESTING IN CAT lll / IV MEASUREMENT LOCATIONS Ensure the test lead shield pressed firmly in place Failure to use the CAT lll /...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual VII . External Structure ( Figure 1 ) VI . General Specifications 1 ) Maximum voltage between the input terminal and instruction about each input terminal...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual X . Function Selection Knob and Buttons VIII . LCD display ( Figure 2 ) »...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual XI . Measurement Operation Instruction • button ( UT 15 B PRO ) : press to enter manual range mode and display the maximum value Check the built - in AA 1.5 Vx batteries ,...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual 2 . DC Voltage Measurement ( Figure 4 ) Resistance and Circuit Continuity Measurement ( Figure 5 a ) 1 ) Turn the function selection knob to the DC voltage scale 1 ) Turn the function selection knob to the resistance scale 2 ) Insert the red test leads to the...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual Capacitance Measurement ( Figure 6 ) • Error of 0.1 Q will be resulted by test leads in low resistance measurement In order to acquire an...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual AC/DC Current Measurement ( Figure 7 ) 7 . Frequency and Duty Cycle Measurement 1 ) Turn the function selection knob to the A £...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual . LED Measurement ( UT 18 B PRO ) ( Figure 9 ) Other functions •...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual Xll . Technical Specifications 2 . AC Voltage Measurement Accuracy : ±...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual Resistance Measurement 5 . Capacitance Measurement Range Accuracy Resolution Range Accuracy Resolution 600.00...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual • Overload protection : 1000 V - PTC Frequency / Duty Cycle Measurement ( UT 17 B PRO/ UT 18 B PRO ) •...
UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual AC Current Measurement . LED Measurement ( UT 18 B PRO ) Range Accuracy Resolution...
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UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual UT 15 B PRO / UT 17 B / UT 18 B PRO User Manual 2 . Battery / Fuse Replacement ( Figure 10 ) 2 ) Fuse replacement : The meter is unable to operate normally when the fuse is broken by voltage misdetection or overcurrent , so the fuse should be replaced in time 1 ) Battery replacement : If LCD displays low battery symbol...
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