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point connected by the red test lead. 
NOTE: 
1) If LCD display “OL” under manual range, it means it is over range, now you need to 

select a higher range. 

1) Do not input voltage over 600V. Or it may cause damage to the circuit of the meter, 

and the built-in buzzer will alarm. 

2) Be careful while measuring a high voltage circuit. DO NOT touch the high voltage 

circuit. 

4.3 ACV measurement 
4.3.1 Insert the black test lead into “COM” terminal, and the red one into “VΩmA” 
terminal. 
4.3.2 Turn the rotary to switch to “

” ranges. Under Auto Range status, it will display 

“AUTO” symbol. Press “RANGE/REL” key can change to Manual range, the available 
ranges are 600mV, 6V, 60V, 600V; Press “SELECT” key to switch between Frequency/Duty 
cycle measurement. 
4.3.3 Connect test leads to the test point; LCD will display voltage of the test point 
connected by the test leads. 
NOTE: 
2) If LCD display “OL” under manual range, it means it is over range, now you need to 

select a higher range. 

1) Do not input a voltage over 600V. Or it may cause damage to the circuit of the meter, 

and the built-in buzzer will alarm. 

2) Be careful while measuring a high voltage circuit. DO NOT touch the high voltage 

circuit. 

4.4 DCA measurement 
4.4.1 Insert the black test lead into “COM” terminal and the red one into “VΩmA” 
terminal (Max.600mA) or into “10A” terminal (Max.10A); 
4.4.2 Turn the rotary switch to Current ranges, auto range is the default when you turn 
on the meter, “AUTO” symbol displayed. Press “RANGE/REL” key can change to Manual 
range, the available ranges are 600uA, 6000uA, 60mA, 600mA, 6A, 10A. 
4.4.3 Connect test leads to the tested circuit; LCD will display polarity and current of the 
test point connected by the red test lead. 
NOTE: 
1) If you are not sure about the range of current under test, please select the highest 

range, and then select the proper range based on displaying value. 

2) If the LCD displays “OL”, it means the current is over range. Now you need to select a 

higher range. 

3) Maximum input current is 600mA or 10A (subject to which terminal the red test lead 

is inserted into). Current exceeding rated value will damage the fuse, and may cause 
damage to the circuit of meter. 

4.5 ACA measurement 
4.5.1  Insert  the  black  test  lead  into  “COM”  terminal  and  the  red  one  into  “VΩmA” 
terminal (Max.200mA) or into “10A” terminal (Max.10A); 
4.5.2 Turn the rotary switch to a proper current range. Press “SELECT/

” key to select 

the  AC  mode,  auto  range  is  the  default  when  you  turn  on  the  meter,  “AUTO”  symbol 
displayed. Press “RANGE/REL” key can change to Manual range, the available ranges are 
600uA, 6000uA, 60mA, 600mA, 6A, 10A. 
4.5.3 Connect test leads to the tested circuit; LCD will display the current of the test 
point. 

NOTE: 
1) If you are not sure about the range of current under test, please select the highest 

range, and then select the proper range based on displaying value. 

2) If the LCD displays “OL”, it means the current is over range. Now you need to select a 

higher range. 

3) Maximum input current is 600mA or 10A (which terminal the red test lead is 

inserted into). Current exceeding rated value will damage the fuse, and may cause 
damage to the circuit of meter. 

4.6 RESISTANCE measurement 
4.6.1  Insert  the  black  test  lead  into  “COM”  terminal  and  the  red  one  into  “VΩmA” 
terminal; 
4.6.2  Turn  the  rotary  switch  to  “Ω

”  ranges,  press  “SELECT/

”  key  to  select  “Ω” 

mode. Connect two test leads across the resistor under test; 
4.6.3 Auto range is the default when you turn on the meter, “AUTO” symbol displayed. 
Press “RANGE/REL” key can change to Manual range, the available ranges are 600Ω, 6kΩ, 
60kΩ, 600kΩ, 6MΩ, 60MΩ. 
NOTE: 
1) If you are not sure about the range of current under test, please select the highest 

range; 

2) If LCD displays “OL”, it means it is over range. Now you need to select a higher range. 

When measuring value is over 1MΩ, the reading will take a few seconds to be stable. 
It’s normal for high resistance measurement; 

3) When input terminal is in open circuit, LCD will display “OL”; 
4) Before measuring in line resistor, make sure that the power is off and all capacitors 

are discharged completely; 

5) When  there  is  big  error,  it  may  be  affected  by  other  online  component  or  there  is 

Summary of Contents for DMM-136A

Page 1: ...ctric shock 2 4 Select correct funcDon and range to avoid wrong operaDon 2 5 Move the test leads away from test points when switching to other funcDon 2 6 Don t input voltage in current terminal 2 7 Don t make any modificaDon to the circuit It may damage the meter or jeopardize safety 2 8 Safety symbols High voltage GND Dual insulaDon Refer to manual Low ba ery indicaDon 3 Features 3 1 General Char...

Page 2: ...0 5A 250V fuse and 10A 250V fuse Frequency response 10A range 40 100Hz other ranges 40 400Hz 3 2 6 Resistance Ω Open circuit voltage 500mV Overload protecDon 250V DC AC peak value 3 2 7 Capacitance C Overload protecDon 250V DC AC peak value 3 2 8 Frequency Range Accuracy ResoluDon 600uA 1 0 5 0 1μA 6000uA 1μA 60mA 10μA 600mA 100μA 6A 1mA 10A 2 0 5 10mA Range Accuracy ResoluDon 600uA 1 5 5 0 1μA 60...

Page 3: ...is less than 50Ω buzzer sounds conDnuously Open circuit voltage 2 2V Range Accuracy ResoluDon 40 1000 400 1 0 5 400 1 5 15 1 0F 1832 750 1 0 5 750 1 5 15 Number Feature DescripDon 1 Relative REL mode is active 2 Data Hold is acDve 3 Indicates negaDve readings 4 DC DC voltage or current measurement 5 AC AC voltage or current measurement 6 AUTO Auto range mode 7 Null 8 Diode test mode 9 The conDnuit...

Page 4: ... be displayed Press HOLD again to exit the HOLD mode 2 Light Key Press HOLD key for more than 2 seconds to turn on the backlight The backlight can last for 15 seconds During 15 seconds press light key for 2 seconds again to turn off the backlight Non contact voltage detector area Holster Ba ery door See picture 4 2 DCV measurement 4 2 1 Insert the black test lead into COM terminal and the red one i...

Page 5: ... current is 600mA or 10A subject to which terminal the red test lead is inserted into Current exceeding rated value will damage the fuse and may cause damage to the circuit of meter 4 5 ACA measurement 4 5 1 Insert the black test lead into COM terminal and the red one into VΩmA terminal Max 200mA or into 10A terminal Max 10A 4 5 2 Turn the rotary switch to a proper current range Press SELECT key t...

Page 6: ...1 Even if there is no voltage indicaDon there may be voltage on the circuit Do not rely on NCV detector as the only way to detect voltage 2 Voltage detecDng may be affected by power socket design type of insulaDon and its thickness and other factors 3 Interference sources in the external environment such as flashing light motor would cause wrong signal to acDvate alarm funcDon 4 10 DIODE AND CONTINU...

Page 7: ...with a new one To extend the using life it s be er to use alkaline ba ery Fix the ba ery door Put on the holster 10 Fuse replacement When replacing fuse please use fuse with same type and specificaDon Remove the holster first then screw off the fixing screws of the ba ery door and back cover to remove the cover Take off the old fuse and replace with a new one Install the back cover then fix the screws o...

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