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UT501/UT502 OPERATING MANUAL

Turn the Meter to OFF when it is not in use.

Take out the battery when it is not using for a long time.

Do not use or store the Meter in a place of humidity, high temperature,

explosive, inflammable and strong magnetic field.

If the Meter is wet, dry it before use.

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Содержание UT501

Страница 1: ...s Title Page Introduction Unpacking the Meter Safety Information International Electrical Symbols The Meter Structure Key Functions Rotary Switch Measurement Operation A Measuring Voltages B Measuring Insulation Resistance 4 4 6 11 12 14 15 16 16 18 ...

Страница 2: ...attery Specifications Safety and Compliances Physical Specifications General Specifications Feature Summary Detailed Accuracy Specifications A Voltage Measurement B UT501 Insulation Resistance Measurement UT502 Insulation Resistance Measurement 21 21 23 25 25 26 27 27 28 28 29 30 ...

Страница 3: ...ction 2 International Electrical Symbols 3 Meter Front Description 4 Key Description 5 Rotary Switch Description List of Figures Figure Title Page 1 The Meter Front Structure 2 Voltages Measurement 3 Insulation Resistance Measurement 4 Battery Replacement 5 11 13 14 15 12 16 18 23 ...

Страница 4: ...i Trend Model UT501 and UT502 insulation resistance tester hereafter the Meter is a handheld instrument designed primarily to make resistance insulation resistance DC AC Voltage measurement Unpacking the Meter The Meter includes the following items ...

Страница 5: ...escription English Operating Manual Test Lead Test probe Alligator clip Carry bag Strap 1 5V Battery LR14 Item 1 2 3 4 5 6 5 Qty 1 piece 1 set 1 set 1 set 1 piece 1 piece 6 pieces In the event you find any missing or damage please contact your dealer immediately ...

Страница 6: ...y CAT III 600V CAT II 1000V and double insulation CAT II Local level appliance portable equipment etc with smaller transient voltage overvoltages than CAT III CAT III Distribution level fixed installation with smaller transient over voltages than CAT IV Use the Meter only as specified in this operating manual otherwise the protection provided by the Meter may be impaired ...

Страница 7: ...pose hazard s to the user Warning identifies avoiding electric shock Caution identifies conditions and actions that may damage the Meter and carrying out accurate measurement International electrical symbols used on the Meter and in this Operating Manual are explained on page 11 ...

Страница 8: ...r servicing the instrument Do not apply more than 1000V DC or 750V AC Do not use the Meter around explosive gas vapor or dust Do not use the Meter in a wet environment When using the test leads keep your figures away from the lead contacts Keep your figures behind the finger guards on the leads Do not use the Meter with any parts or cover removed When carrying out insulation measurement do not con...

Страница 9: ...n the Meter is in wet environment Place test leads in proper input terminals Make sure all the test leads are firmly connected to the Meterís input terminals Make sure the Meter is turned off when opening the battery compartment Carefully read the operating manual before operating the Meter Follow the operating manual all the time when using the Meter and keep the operating manual in a safe place ...

Страница 10: ...r or identical electrical specifications of test leads and power adaptor Do not use the Meter if the battery indicator shows a battery empty condition Take the battery out from the Meter if it is not used for a long time Do not use or store the Meter in an environment of high temperature humidity explosive inflammable and strong magnetic field The performance of the Meter may deteriorate after dam...

Страница 11: ...ernational symbols on the Meter and in this manual are explained in Table 2 Table 2 International Electrical Symbols Equipment protected by double or reinforced insulation DC Measurement AC Measurement Grounding See Manual Conforms to Standards of European Union DCV ACV ...

Страница 12: ...UT501 UT502 OPERATING MANUAL The Meter Structure Below Figure 1 and Table 3 shows the Meter front structure and description 12 Figure 1 The Meter Front Structure a UT501 b UT502 ...

Страница 13: ... Description EARTH Resistance input terminal G Voltage Measurement input negative terminal V Voltage input terminal LINE Resistance input terminal LCD Display Backlight button Data Hold button Insulation Resistance Button Rotary switch 1 2 3 4 5 6 7 8 9 ...

Страница 14: ... Press once to turn the data hold on is shown on the display Press again to turn the data hold feature off is disappeared LIGHT Press once to turn the display backlight on Press again to turn the display backlight off TEST Press to stop or start an insulation resistance test ...

Страница 15: ... Voltage DCV Turn the rotary switch to DCV to measure DC Voltage 250V 500V 1000V Turn the rotary switch to 250V 500V 1000V select the UT501 requested output voltage to carry out insulation resistance measurement 500V 1000V 2500V Turn the rotary switch to 500V 1000V 2500V select UT502 the requested output voltage to carry out insulation resistance measurement ...

Страница 16: ...16 UT501 UT502 OPERATING MANUAL Figure 2 Voltages Measurement a UT501 b UT502 Measurement Operation Below section explains how to make measurements A Measuring Voltages ...

Страница 17: ...eted disconnect the connection between the testing leads and the circuit under test and remove testing leads away from the input terminals of the Meter Do not carry out measurement when the battery compartment is open To measure voltages set up the Meter as Figure 4 and do the following 1 Turn the rotary switch to DCV or ACV 2 Insert the red test lead into the V terminal and the black test lead in...

Страница 18: ...18 UT501 UT502 OPERATING MANUAL B Measuring Insulation Resistance Figure 3 Insulation Resistance Measurement a UT501 b UT502 ...

Страница 19: ...asure insulation resistance after high voltage output Do not carry out measurement when the battery compartment is open When the measurement is completed donít touch the circuit as the circuit has already stored capacitance which may cause electric shock Don t touch the test leads even after it has been removed from the circuit until voltages are all released Do not carry out measurement when the ...

Страница 20: ...est lead into EARTH terminal 3 Connect the red and black alligator clip to the circuit to be measured positive voltage output from LINE terminal Continuous Measurement 1 Turn the rotary switch to one of these position 250V 500V 1000V 2500V 2 Press TEST to button to carry out continuous measurement Output insulation resistance testing voltage TEST button light up 3 Press TEST button to close the in...

Страница 21: ... repair or service your Meter unless you are qualified to do so and have the relevant calibration performance test and service information A General Service Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals can affect readings ...

Страница 22: ...er to OFF when it is not in use Take out the battery when it is not using for a long time Do not use or store the Meter in a place of humidity high temperature explosive inflammable and strong magnetic field If the Meter is wet dry it before use ...

Страница 23: ...23 UT501 UT502 OPERATING MANUAL B Replacing the Battery Figure 4 Battery Replacement ...

Страница 24: ...is closed before using the Meter Follow Figure 4 and proceed as follows to replace the battery Turn the Meter to OFF and remove all connections from the terminals Remove the screw from the battery compartment and separate the battery compartment from the case bottom Replace with 6pcs of new 1 5V LR14 batteries Rejoin the case bottom and battery compartment and reinstall the screw ...

Страница 25: ...25 UT501 UT502 OPERATING MANUAL Specifications Safety and Compliances IEC 61010 1 CAT II 1000V CAT III 600V overvoltage and double insulation standard Certification Compliances ...

Страница 26: ... Display LCD Operating Temperature Storage Temperature Relative Humidity Battery Type Dimensions H x W x L Weight Digital 1999 counts 0 35 32 95 20 60 4 140 70 0 35 below 80 20 60 6pcs of 1 5V LR14 batteries 150 x 100 x 71 mm Approx 0 5kg including battery ...

Страница 27: ...elects best range Red light will on when exporting high voltage Auto release voltage Display Backlight Autorange Warning Voltage Over loading Battery Indicator UT501 Display 1 M on insulation resistance range Voltage display 1999 display 1 V Overload voltage testing is not allowed in this Meter UT502 Display OL when overload testing on every range Display ...

Страница 28: ...60Hz 1V 2 3 DC Voltage 30 1000V Measurement Range Resolution Accuracy Detailed Accuracy Specifications Accuracy a of reading number of least significant digits guarantee for 1 year Operating temperature 18 28 Relative humidity 45 75 RH A Voltage Measurement ...

Страница 29: ...ge Open Circuit Voltage Test Current Short Circuit Accuracy 250V DC250V 10 0 9mA 1 1mA 250k 500V DC500V 10 0 9mA 1 1mA 500k 1000V DC1000V 10 0 9mA 1 1mA 1M Around less than 1 8 mA 3M to 99M 3 5 100M 2000M 5 5 3M 2000M When around less than 4 3M test lead insulation is bad or invalid buzzer will beeps ...

Страница 30: ...cuit Accuracy Around less than 1 8 mA 3M to 99 9M 3 1 100M 10G 5 1 10G to 20G 10 1 1000V 5M 4G less than 5M buzzer beeps and 0M will be shown DC1000V 10 0 9mA 1 1mA 1M 500V 3M 2G less than 3M buzzer beeps and 0M will be shown DC500V 10 0 9mA 1 1mA 500k 2500V 25M 20G less than 25M buzzer beeps and 0M will be shown DC2500V 10 0 9mA 1 1mA 2 5M END ...

Страница 31: ...31 UT501 UT502 OPERATING MANUAL This operating manual is subject to change without notice ...

Страница 32: ...32 UT501 UT502 OPERATING MANUAL ...

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