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20.00A 

10mA 

+2.5% of rdg + 10 dgts 

Overload  Protection:  0.2A  /  250V  and  20A  /  250V 

Fuse. 

Maximum Input: 200mA dc or 200mA ac rms on mA 

ranges, 20A dc or ac rms on 20A range. 

 

AC Current

   

Range 

Resolution 

Accuracy 

2.000mA 

1uA 

+1.2% of rdg + 3 dgts 

200.0mA 

100uA 

+2.0% of rdg + 3 dgts 

20.00A 

10mA 

+3% of rdg + 10 dgts 

Overload  Protection:  0.2A  /  250V  and  20A  /  250V 

Fuse. 

Frequency Range: 50 to 400 Hz 

Maximum Input: 200mA dc or 200mA  ac rms on mA 

ranges, 20A dc or ac rms on 20A range. 

 

Resistance

   

Range 

Resolution 

Accuracy 

200.0

 

0.1

 

+1.0% of rdg + 4 dgts 

2.000k

 

1

 

+1.0% of rdg + 2 dgts 

20.00k

 

10

 

+1.2% of rdg + 2 dgts 

200.0k

 

100

 

2.000M

 

1k

 

20.00M

 

10k

 

+2.0% of rdg + 5 dgts 

200.0M

 

10k

 

+5.0%  of  rdg  +  10 
dgts 

Input Protection: 250V dc or 250V ac rms. 

Capacitance

   

Range 

Resolu
tion 

Accuracy 

2.000nF 

1pF 

+4.0% of rdg

+70dgts

 

20.00nF 

10pF 

+4.0% of rdg + 3 dgts 

200.0nF 

0.1nF 

 
+4.0% of rdg + 3 dgts 
 

2.000uF 

1nF 

200.0uF 

0.1uF 

≤20uF 

+4.0% of rdg + 15 
dgts 

≥21uF 

unspecified

 

dgts 

Input Protection: 250V dc or 250V ac rms. 

 

Diode Test 

Test current: 1mA typical 

Open circuit voltage: 2.8V dc typical 

Overload protection: 250V dc or ac rms. 

 

Audible continuity 

Audible  threshold:  Less  than50



  Test  current: 

<0.3mA 

Overload protection: 250V dc or ac rms. 

 

OPERATION 

WARNING

: Risk of electrocution. 

High-voltage circuits, both AC and DC, 

are very dangerous and should be 

measured with great care. 

If  “1”  appears  in  the  display  during  a  measurement, 

the  value  exceeds  the  range  you  have 

selected. Change 

to a higher range.   

NOTE

:  On  some  low  AC  and  DC  voltage  ranges,  with  the 

test leads not connected to a device, the display may show a 

random,  changing  reading.  This  is  normal  and  is  caused  by 

the high-input sensitivity. The reading will stabilize and give 

a proper measurement when connected to a circuit. 

 

BACK LIGHT BUTTON

 

The 

BACK LIGHT BUTTON

 is used to turn    the back light on 

Only. To extend the battery life, The back light will be turned off   

automatically within around 3 seconds 

 

DC VOLTAGE MEASUREMENTS 

CAUTION: 

  Do  not  measure  DC  voltages  if  a  motor 

on  the  circuit  is  being  switched  ON  or  OFF.  Large 

voltage surges may occur that can damage the meter. 

1.

 

Set the function switch to the V DC position (“mV” will 

appear in the display). 

2.

 

Insert  the  black  test  lead  banana  plug  into  the  negative 

(COM)  jack  and  the  red  test  lead  banana  plug  into  the 

positive (V) jack. 

3.

 

Touch the test probe tips to the circuit under test. Be sure 

to observe the correct polarity (red lead to positive, black 

lead to negative). 

4.

 

Read  the  voltage  in  the  display.  The  display  will 

indicate  the  proper  decimal  point  and  value.  If  the 

polarity is reversed, the display will show (-) minus 

before the value. 

 

AC VOLTAGE MEASUREMENTS

 

WARNING: 

  Risk  of  Electrocution.  The  probe  tips 

may  not  be  long  enough  to  contact the  live  parts  inside 

some  240V  outlets  for  appliances  because  the  contacts 

are recessed deep in the outlets. As a result, the reading 

may  show  0  volts  when  the  outlet  actually  has  voltage 

on  it.  Make  sure  the  probe  tips  are  touching  the  metal 

Содержание ZI-6550

Страница 1: ...easuring voltage which exceeds the limits of the multimeter may damage the meter and expose the operator to a shock hazard Always recognize the meter voltage limits as stated on the front of the meter Never apply voltage or current to the meter that exceeds the specified maximum SAFETY SYMBOLS This symbol adjacent to another symbol terminal or operating device indicates that the operator must refe...

Страница 2: ...on Low battery indication The is displayed when the battery voltage drops below the operating level Auto power off Meter automatically shuts down after approx 10 minutes of inactivity Measurement rate 2 times per second nominal Operating environment 0 oC to 50 oC 32 oF to 122 oF at 70 relative humidity Storage temperature 20 oC to 60 oC 4 oF to 140 oF at 80 relative humidity For inside use max hei...

Страница 3: ...e exceeds the range you have selected Change to a higher range NOTE On some low AC and DC voltage ranges with the test leads not connected to a device the display may show a random changing reading This is normal and is caused by the high input sensitivity The reading will stabilize and give a proper measurement when connected to a circuit BACK LIGHT BUTTON The BACK LIGHT BUTTON is used to turn th...

Страница 4: ...50V AC CAUTION Do not make current measurements on the 20A scale for longer than 30 seconds Exceeding 30 seconds may cause damage to the meter and or the test leads 1 Insert the black test lead banana plug into the negative COM jack 2 For current measurements up to 200mA AC set the function switch to the mA range and insert the red test lead banana plug into the mA jack 3 For current measurements ...

Страница 5: ...pacitor to be tested The display will indicate the proper decimal point value REPLACING THE BATTERY WARNING To avoid electric shock disconnect the test leads from any source of voltage before removing the battery door 1 When the batteries become exhausted or drop below the operating voltage BAT will appear in the right hand side of the LCD display The battery should be replaced 2 Follow instructio...

Страница 6: ...proper size and value 0 2A 250V fast blow for the 200mA range 20A 250V fast blow for the 20A range 1 Put the back cover Insert the screw and tighten it securely WARNING To avoid electric shock do not operate your meter until the fuse door is in place and fastened securely ...

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