Major tech MT800 Скачать руководство пользователя страница 5

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WARNING:

 Use with extreme caution. Follow all safe guards suggested 

in the manual in addition to normal safety precautions. Do not use this 
meter if you are unfamiliar with electrical circuits and testing procedures.

4. TIPS FOR USING YOUR MULTIMETER

When using this tester, pay particular attention to polarities and check 
positive and negative points. The red lead connects to positive points and 
the black lead to negative. If you are checking unknown voltage and 
currents, use highest range first then next lower range, and so on until 
readings can be obtained. For most accurate readings, keep the meter lying 
flat. Also, use a range setting that results in a reading in the upper third of 
the meter scale. For exact readings, look at the scale from the point where 
the pointer and its reflection on the mirror come together, otherwise a 
reading error may result due to parallax.

5. TEST LEADS

Only use the same type of test leads that are supplied with this meter.
These test leads are rated for 1000V.

6. BATTERY INSTALLATION

A battery is required for resistance measurements. To install, use a phillips 
screwdriver to remove the screw on the back cover. Pull apart the front and 
back covers. Insert 1 AA battery (not supplied) in the battery compartment 
observing correct polarity. Never leave a weak or dead battery in your unit. 
Even leak-proof types may leak damaging chemicals. Remove the battery 
when you don't intend to use your unit for more than a week.

To avoid electric shock, disconnect measuring terminals before installing 
or removing battery. Open cover only when replacing battery, do not 
touch any inside area other than the battery.

CAUTION:

  the MAX input limit for voltage and current measurements 

between '+' and '

' is 500V AC, 500V DC and 250 mA DC.

7. OPERATION

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