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c)    Don’t apply more than 500V DC or AC rms to the input, indication is possible at 

 

higher voltage but there is danger of damaging the internal circuit. 

d)    Use extreme caution to avoid contact with high tension circuits when measuring 

 

high voltage. 

 

3.2    AC Voltage Measurement 

1)    Connect the black test lead to the "

COM

" socket and red test lead to the 

 

"

VΩmA

" socket. 

2)    Set the selector switch to desired “

V

” position. 

3)    Measure the voltage by touch the test lead tips to the test circuit where the 
     

value of voltage is needed. 

4)    Read the result from the LCD panel. 

 

Note: 

See DC voltage measurement note a)

d). 

 

3.3    DC Current Measurement 

1)    Connect the black test lead to "

COM

" socket. For measurement up to 200mA, 

 

connect the red test lead to the "

VΩmA

" socket; for measurement from 200mA 

 

to 10A, connect the red test lead to the "

10A

" socket. 

2)    Set the selector switch to desired “

A

” position. 

3)    Remove power from the circuit under test and open the normal circuit path 

 

where the measurement is to be taken. Connect the meter in series with 

     

the circuit. 

4)     Read the result from the LCD panel. The polarity of the red lead connection will 

 

be indicated along with the DC current value. 

Note: 

a)    If the current range is not known beforehand, set the selector switch to high 

 

range and work down. 

b)    When “1” or “-1” is display, over-range is being indicated and the selector switch 

 

must be set to a higher range. 

c)    The maximum input current is 500mA and 10A depending upon the jack used. 

 

The F0.5A/600V fuse protect the current measuring circuits that measure up to 

 

200mA, the F10A/600V fuse protect the current measuring circuits that measure 

 

from 200mA to 10A. The maximum time of the 10A range measurement each is 

 

15 seconds. 

 

3.4    Resistance Measurement 

1)    Connect the black test lead to the "

COM

" socket and red test lead to the 

 

"

VΩmA

" socket. 

2)    Set the selector switch to desired “

Ω

” position. 

3)    Connect tip of the test leads to the points where the value of the resistance 

   

is needed. 

Summary of Contents for MTD33

Page 1: ...tion for electrical and electronic equipment The RESPONSIBLE BODY shall be made aware that if the instrument is used in a manner not specified by the manufacturer the protection provided by the instru...

Page 2: ...titude up to 2000m and temperature 5 to 40 Maximum relative humidity 80 for temperatures up to 31 decreasing linearly to 50 relative humidity at 40 Pollution Degree 2 2 SPECIFICATIONS 2 1 GENERAL SPEC...

Page 3: ...tection 500V DC or AC rms Impedance 1M 2 2 2 AC Voltage Range Accuracy Resolution 200V 1 5 3 100mV 500V 1V Average sensing calibrated to rms of sine wave Frequency 40 500Hz Overload protection 500V DC...

Page 4: ...0 5A 600V fuse 3 OPERATION 3 1 DC Voltage Measurement 1 Connect the black test lead to the COM socket and red test lead to the V mA socket 2 Set the selector switch to desired V position 3 Measure the...

Page 5: ...3 Remove power from the circuit under test and open the normal circuit path where the measurement is to be taken Connect the meter in series with the circuit 4 Read the result from the LCD panel The...

Page 6: ...measurement display shows the approx forward voltage of this diode Note Make sure the power is cut off and all capacitors need to be discharged under this measurement 3 6 Audible continuity Test 1 Con...

Page 7: ...ws on the bottom case loose the button stand upward side the battery box of the front case and lift the bottom case 4 Replace the old fuse with the same type and rating 5 20mm F0 5A 600V or 5 20mm F10...

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