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Operating ManualUT525/526Electrical Testers

9UT525/526 Operating ManualUT525 earth testing indexes Rated voltage About 5.0V Test range 0.01Ω-200Ω Test current ＞200mA f

10UT525/526 Operating ManualUT525 insulation resistance testing indexes Rated voltage 100V 250V 500V Test range

11UT525/526 Operating ManualUT526 insulation resistance testing indexes Rated voltage 250V 500V 1,000V Test rang

UT525/UT526 voltage testing indexes DCV ACV Test range ±0-±440V

13UT525/526 Operating Manual● Display: LCD display, max reading: 9999● Low battery voltage warning: ● Over limit indication: “OL”● Aut

14UT525/526 Operating ManualIV. Front View of the Instrument (see Picture 1)1. L: jack of live wire terminal for RCD testing and positive terminal fo

15UT525/526 Operating ManualPicture 1

16UT525/526 Operating ManualV. Function of Keys and Dial Plate1. I/VOLT is RCD current testing range selection and voltage testing switch key;2. ANG

17UT525/526 Operating ManualVII. Earth Testing (see Picture 2 for the connection diagram )Connect the object to be tested with the instrument accordin

18UT525/526 Operating ManualPicture 2

1UT525/526 Operating Manual378141616171921242729ContentsItem PageI. Safety Precautions II. Features III. Specications

19UT525/526 Operating ManualVIII. RCD Testing (see Picture 3 for the connection diagram)Make the dial plate point to RCD/V and press I/VOLT key to set

20UT525/526 Operating ManualPicture 3

21UT525/526 Operating Manual22UT525/526 Operating ManualIX Voltage Testing (see Picture 4 for the connection diagram)Make the dial plate point to RCD/

21UT525/526 Operating Manual22UT525/526 Operating Manual Note1. Do not input voltage over 440V or 440Vrms. It is possible to display higher

23UT525/526 Operating Manual24UT525/526 Operating ManualPicture 4

23UT525/526 Operating Manual24UT525/526 Operating ManualX Insulation Resistance Testing (see picture 5 for the connection diagram) Note1. Before

25UT525/526 Operating Manual26UT525/526 Operating ManualContinuous Testing OperationSelect one test voltage with dial plate (the optional voltages of

25UT525/526 Operating Manual26UT525/526 Operating ManualPicture 5

27UT525/526 Operating Manual28UT525/526 Operating ManualXI. Replace Battery (see Picture 6) Note1. Do not use old and new batteries at the same

27UT525/526 Operating Manual28UT525/526 Operating ManualPicture 6

2UT525/526 Operating ManualOverviewUT525/UT526 is a digital multi-functional electric testing instrument adopting new design and integrating large sca

29UT525/526 Operating ManualXII. MaintenanceClear the shell● Wipe the surface with soft wet cloth or sponge.● To avoid instrument damage, do n

I. Safety PrecautionsThis instrument was designed, manufactured and tested according toIEC61010 safety standard (Safety Requirements for Electrical Eq

It means under some conditions, the operation may cause serious or fatal damages may be caused. Warning It mean

● Operate carefully under the voltage over 33Vrms, 46.7Vacrms or 70Vdc, electric shock may be caused under such kind of voltage during oper

6UT525/526 Operating Manual● Do not put or use the instrument in the place with high temperature, high humidity, inammable or explosive ma

7UT525/526 Operating ManualII. Features Danger of electric shock may happen The instrument has double-insulation or reinforced insulation

8UT525/526 Operating ManualIII. SpecicationsError limit: ±(a% reading + digits), one year of warranty periodEnvironment temperature: 23±5℃Environment