Uni-T UT171B [3/20] Ii accessories
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Uni-T UT171B [3/20] Ii accessories

Uni-T UT171B [3/20] Ii accessories

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UT171A B C Instructions I Overview UT171A B C DMM is a small size handheld new automatic ranging series of digital multimeter in 4 3 4 4 5 6 digit true virtual value which is complete in functions high in quality and reliability fashionable in structure safe and displays with jumbo screen It is applicable to measure AC DC voltage current resistance diode circuit on off capacitance frequency duty ratio centigrade Fahrenheit 4 20mA conductivity voltage to frequency converter V F C NCV non contact AC voltage sensing and it is also equipped with such functions as 600AAC DC current calipers measurement square wave output data storage misoperation alarm USB Bluetooth interface configuration etc It is a necessary portable instrument for users in design research and repair II Accessories Open packing box and take out the instrument Please carefully check whether or not the following accessories are missing or damaged Please contact your supplier in case of any missing or damage 1 Operation Instruction one copy 2 Probe one pair 3 Point K type nickel chromium nickel silicon thermocouple configured for UT171B C only one piece 4 Lithium battery charger configured for UT171B C only one piece 5 USB cable one piece 6 Bluetooth interface optional 7 Current calipers UT171C only optional 1 UT171A B C Instructions III Safety Operation Criterion UT171A B C design meets the safety standards of IEC EN61010 1 pollution level 2 overvoltage category CATIII 1000V and CAT IV600V and double insulation Please observe the following operation instruction otherwise the instrument provided protection is likely to be damaged Conforms to UL STD 61010 1 61010 2 030 61010 2 033 Certified to CSASTD C22 2 NO 61010 1 61010 2 030 IEC STD 61010 2 033 CAT III Applicable to test and measuring circuits connected to the distribution part of the building s low voltage MAINS installation before use and follow all safety instructions CAT IV Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcurrent protection devices and ripple control units 1 Using without rear cover secured is prohibited otherwise shock hazard may occur 2 Before using it is necessary to check the insulation layer of the probe which shall be kept intact without damage or broken line 3 When the symbol of Q is displayed on the LCD it is necessary to replace battery so as to assure the measuring precision 4 Function range switch must be placed at the correct measuring location 5 Signals detected are not allowed to exceed the limit value so as to prevent electric shock and instrument damage 6 Gears of range switch are not permitted to change during measuring so as to avoid instrument damage 7 After the measurement is completed for each time it is necessary to disconnect probe from circuit under test after current measuring is completed it is necessary to cut off power supply and disconnect probe and circuit under test which is more important for measuring of high current 2

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