MULTI MEASURING INSTRUMENTS MCL-550D Instruction Manual Download Page 5

 
 
 
 

 

 

!

WARNING 

 

● 

To avoid electrical shock or damage, the measurement is limited to  the circuit 
under 600V AC. 
Such voltages may cause a shock hazard.   

● 

Never  fail  to  keep  the  maximum  1000A  input  to  avoid  electrical  shock  or 
damage. 

● 

Never make measurements for uninsulated conductors or bus bars. 
 

 

 
 
4-2. Measurement of Voltage 
 
4-2-1. Measurement of AC Voltage 
 

① 

Set the power switch to "ON" position. 

② 

Connect the plug of red test lead into 
the “V” terminal and the plug of black   
test lead into the “COM” terminal. 

③ 

Set the range selector switch to “ACV~” 
range. 

④ 

Contact the tips of the test leads to the 
circuit under test. 

 

  Read the voltage value in the display.                                                           

 
 
 
 
 
 
 
  4-2-2. Measurement of DC Voltage 
 

① 

Set the power switch to "ON" position. 

  Connect the plug of red test lead into the “V” terminal and the plug of black test   

lead into the “COM” terminal. 

  Set the range selector switch to “DCV …” range. 

  Contact the tips of the test leads to the circuit under test. 

 

  Read the voltage value in the display.                                                           

                                                                                                                                   

 

 
 
 
 
 
 

Summary of Contents for MCL-550D

Page 1: ...anical electronic design Before you use your new instrument read this Instruction Manual completely and familiarize yourself thoroughly with all functions Keep this manual carefully to take out whenev...

Page 2: ...operations WARNING POSSIBLE ELECTRICAL SHOCK This instrument is for the use of low voltage circuit Do not make measurements in the circuit more than AC 600V Before use check and confirm the voltage o...

Page 3: ...f mode approx 10 minutes after the power switch on Operating temperature 0 to 40 80 RH non condensing Strange temperature 10 to 60 70 RH non condensing Power supply 1 5V AAA size R03 x2 Power consumpt...

Page 4: ...where it is difficult to see the readings use the data hold switch Fig 1 Note Clamp around only one conductor of the circuit to be measured See Fig 1 When making the clamp measurements for high AC cur...

Page 5: ...tion Connect the plug of red test lead into the V terminal and the plug of black test lead into the COM terminal Set the range selector switch to ACV range Contact the tips of the test leads to the ci...

Page 6: ...to rain or moisture Do not operate the tester in the presence of flammable gases or fumes CAUTION To avoid damage to the tester disconnect test leads before changing functions Do not exceed the maximu...

Page 7: ...e displayed CAUTION Be sure all voltage is turned OFF in the circuit before making diode test 5 REPLACEMENT OF BATTERIES When the battery voltage falls below a specified voltage value the B mark will...

Page 8: ...ent out from our factory after the sufficient internal inspections but if you find any defect due to the fault in our workmanship or the original parts please contact the dealer where you bought the i...

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