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Warning

Item

Safety Information

This style of digital multimeter is designed and manufactured according to the safety requirements set out by the EN61010-1,
EN61010-2-030 standards for electronic test instruments . Its design and manufacture is strictly based on the provisions in 
the 1000V CAT III, 600V CAT IV of EN61010-1, EN61010-2-030and the Stipulation of 2-Pollution Grade.
CAT III: It is applicable to test and measuring circuits connected to the distribution part of the building’s low-voltage MAINS
              installation.
CAT IV: It is applicable to test and measuring circuits connected at the source of the building’s low-voltage MAINS installation.

To avoid possible electric shock or personal injury, follow these guidelines:

Use the Meter only as specified in this manual or the protection provided by the Meter might be impaired.
Do not use the Meter or test leads if they appear damaged, or if the Meter is not operating properly. If in doubt, have the 
Meter serviced.
Always use the proper terminal, switch position, and range for measurements before connecting Meter to circuit under test.
Verify the Meter’s operation by measuring a known voltage.
Do not apply more than the rated voltage as marked on the Meter, between the terminals or between any terminal and earth 
ground.
Use caution with voltages above 30 V ac rms, 42 V ac peak, or 60 V dc. These voltages pose a shock hazard.
Replace the battery as soon as the low battery indicator (      ) appears.
Disconnect circuit power and discharge all high-voltage capacitors before testing resistance, continuity, diodes, or 
capacitance.
Do not use the Meter around explosive gas or vapor.
When using the test leads, keep your fingers behind the finger guards.
Remove test leads from the Meter before opening the Meter case or battery door.
Never operate the Meter with the cover removed or the battery door open.
Comply with local and national safety requirements when working in hazardous locations.
Use proper protective equipment, as required by local or national authorities when working in hazardous areas.
Use only the replacement fuse specified or the protection may be impaired.
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be 
impaired.

          
Warranty

The meter is warranted to be free from defects in material and workmanship under normal use and service. The warranty 
period is one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 18 months 
except for misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation or 
handling. This warranty does not apply to fuses, disposable batteries.

          
Accessories

Test

Leads

2

Clips

2

Battery AA LR6

6

Manual

1

Quantity

Содержание Mastech MS5203

Страница 1: ...Digital Insulation Tester MS5203 CA T IV 600 V CA T I I I 1000 V HOLD HOLD LOCK DIGITAL INSULATION TESTER MS5203...

Страница 2: ...Off Hold Function Relative Measurement Insulation Test Lock Storing Test Data Reading Test Data Delete Data Compare Function Timer Function MAX MIN AVG DAR PI 03 04 05 12 03 04 05 06 08 09 10 10 11 11...

Страница 3: ...h ground Use caution with voltages above 30 V ac rms 42 V ac peak or 60 V dc These voltages pose a shock hazard Replace the battery as soon as the low battery indicator appears Disconnect circuit powe...

Страница 4: ...soon as the low battery indicator appears Indicates a test lock will be applied the next time you press Test Button on the meter the test lock acts to hold down the button until you press Test Button...

Страница 5: ...nals Continuity test function is selected Auto power off function is selected TEST Timer unit min sec Measure unit Display the Max Min Avg value MAX MIN AVG GM V Indicator Description Appears on prima...

Страница 6: ...DAR PI Active the timer function Active hold function in DCV ACV Continuity or lock function Insulation Active rel function in dcv acv continuity mode change cursour position Select one test output vo...

Страница 7: ...Relative Measurement Show the difference between actual value and the relative base Press REL Button to enter relative measurement and the meter will record the initial value when pressing the key Dis...

Страница 8: ...limited value press ENTER to adjust the value The meter will be flashing with the upper limited value or the lower limited value Switch to the proper range or signal polar by pressing SELECT Press to...

Страница 9: ...fter applying the test voltage R15Sec Resistance value measured 10 minutes after applying the test voltage After performed insulation test press SELECT button to view DAR or PI If DAR or PI Value inva...

Страница 10: ...ce To avoid possible damage to the Meter or to the equipment under test disconnect circuit power and discharge all high voltage capacitors before testing for continuity Switch rotary switch to positio...

Страница 11: ...on if meter display please replease battery Insert test leads to High Low terminals if the meter display Live indicator the meter cannot measure on live circuit please power off Live circuit Press TES...

Страница 12: ...sulation Source Voltage 20 0 Insulation Short Circuit Test Current 1 8mA nominal Insulation Auto Discharge Discharge time 2 second for C 1 F or less Insulation Live Circuit Detection Inhibit test if t...

Страница 13: ...20 3 5 0 20M 20 100M 0 01M 0 1M 1mA 100K 250V 0 20 3 5 0 20M 20 200M 0 01M 0 1M 1mA 250K 200 250M 1M 500V 0 20 3 5 0 20M 20 200M 0 01M 0 1M 1mA 500K 200 500M 1M 1000V 0 20 3 5 0 200M 1 00 5 00G 0 1M 0...

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