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V&A VA503, Руководство пользователя

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Pen R/C meter for SMD 

VA503 

 

 
 
 
 
 
 
 
 
 

Users Manual

 

 

Содержание VA503

Страница 1: ...1 Pen R C meter for SMD VA503 Users Manual ...

Страница 2: ...2 Contents Page 1 GENERAL INSTRUCTIONS 3 2 DESCRIPTION 5 3 TECHNICAL SPECIFICATIONS 6 4 OPERATING INSTRUCTION 8 5 MAINTENANCE 10 ...

Страница 3: ...table or indicate large errors Do not use the meter if it looks damaged Use the meter only as specified in this manual otherwise the protection provided by the meter may be impaired Do not operate the meter around explosive gas vapor or dust To avoid damages to the instrument do not exceed the maximum limits of the input values Caution Avoid working with voltages above 50VDC or 36VAC rms Such volt...

Страница 4: ...tment maintenance or repair work carried out on the meter while it is live should be carried out only by appropriately qualified personnel after having taken into account the instructions in this present manual If any faults or abnormalities are observed take the instrument out of service and ensure that it can not be used until it has been checked out If the meter is not going to be used for a lo...

Страница 5: ...select the functions of the meter Press this key once the meter will turn on ad Then press and hold this key for over 4 seconds the meter will power off 2 4 REL key Relative measurement key This key is used to select the Relative measurement mode Press this key once to enter into the Relative measurement mode then press this key again it will back to the normal mode 1 2 4 3 5 6 ...

Страница 6: ...Coefficient 0 1 specified accuracy O C 18 O C or 28 O C MAX Voltage between terminals and earth ground 50V DC or 36V AC rms Sample Rate 3 times sec for digital data Display 3 3 4 digits LCD display with max reading 3999 Over Range indication LCD will display OL Low battery indication The is displayed when the battery is under the proper operation range Auto power off If there is no key been operat...

Страница 7: ...rking with voltages above 50Vdc or 36Vac rms 3 2 1 Resistance Range Resolution Accuracy 400Ω 0 1Ω 1 2 of rdg 3digits 4kΩ 1Ω 40kΩ 10Ω 400kΩ 100Ω 4MΩ 1kΩ 40MΩ 10kΩ 2 0 of rdg 5 digits 3 2 2 Capacitance Range Resolution Accuracy 4nF 1pF 5 0 of rdg 25 digits 40nF 10pF 3 0 of rdg 20 digits 400nF 100pF 4µF 1nF 40µF 10nF 5 0 of rdg 20 digits 200µF 100nF ...

Страница 8: ...s to the meter under test disconnect circuit power and discharge all high voltage capacitors before measuring resistance Select the function at mode Connect the test clip to the object being measured and the measured value will show on the display NOTE For measuring the high resistance above 1MΩ it may take a few seconds to stabilize the reading This is normal for high resistance measuring When th...

Страница 9: ...conds to stabilize reading This is normal for high capacitance measuring To improve the accuracy of measurements less than 4nF subtract the residual capacitance of the meter and clip Press the REL key to enter into the Relative measurement mode when it is in the open circuit state 4 3 Diode measurement To avoid electrical shock or damages to the meter under test disconnect circuit power and discha...

Страница 10: ... battery disconnect test leads from any circuit under test turn the meter off and remove test leads from the input terminals Use the following procedure When the battery voltage drop below proper operation range the symbol will appear on the LCD display and the battery need to be replaced Press the battery cover and towards arrowhead direction to open the battery cover Replace the battery with two...

Страница 11: ...11 VA503 09 ...

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