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13 

The Meter's current ranges are 600.0

µ

A, 6000

µ

A, 60.00mA, 600.0mA, 6.000A and 10.00A. 

To measure current: 

1)

 

Turn off power to the circuit. Discharge all high voltage capacitors.  

2)

 

Set the rotary switch to the 

µ

A, mA or A range. 

3)

 

Press the 

SELECT

 key to select DCA or ACA measuring mode. 

4)

 

Connect the black test lead to the COM terminal and the red test leads to the mA terminal for 

a maximum of 600mA. For a maximum of 10A, move the red test lead to the a terminal. 

5)

 

Break the circuit path to be tested.

 

Touch the black probe to the more negative side of the break; touch the red probe to the more 

positive side of the break. (Reversing the leads will give a negative reading, but will not damage 

the Meter.) 

6)

 

Turn on power to the circuit; then read the display. Be sure to note the measurement units at 

the right side of the display (

µ

A, mA or A). When only the figure "OL" displayed, it indicates 

overrange situation and the higher range has to be selected. 

7)

 

Turn off power to the circuit and discharge all high voltage capacitors. Remove the Meter and 

restore the circuit to normal operation. 

 

3.2.9 PC Link 

The meter has serial data output function. It can be connected with PC by USB interface, so the 

measured data can be recorded, analyzed, processed and printed by PC. Before use this function, 

you need install the PC-Link software and USB driver in your PC. 

Press the 

Hz/DUTY

 key while turn on the meter, the meter enter PC-Link mode, the symbol  

“PC-LINK” will appear on LCD, and the serial data output function is active. 

 

PC-LINK SOFT OPERATING MANUAL 

1)

 

Make sure the two

 Install USB driver 

and

 Install software

 files in the attached CD successfully 

installed before any measurement. 

2)

 

Keep the meter in

 “OFF”

 status, pressing the 

HZ/DUTY

 key while turn on the meter and the 

symbol “

PC-LINK

” will appear on the LCD if the serial data output function is active. 

3)

 

Note: If we want to enable the serial data output function during measuring, 

we have to turn off 

the meter first

, then operate according to step2. 

4)

 

Connect the meter’s OPTICAL PORT and computer USB port with the USB line. 

5)

 

Run the 

PC-LINK

 software, click the 

SET

 menu. Select the 

System Set

. Thenselect the proper 

COM port in the 

Serial Port Select

.  As for the proper COMport, we can view it in the Device 

Manager by following these steps. 

 

Right-click the 

My Computer

 icon on the Windows desktop, and then click 

Properties

.  

 

Click the 

Hardware

 tab and then click 

Device Manager

.  

Summary of Contents for AX-18B

Page 1: ...AX 18B INSTRUCTION...

Page 2: ...amiliarization 6 2 2 LCD Display 6 2 3 Keypad 7 3 Function description 8 3 1 General Functions 8 3 2 Measurement Functions 8 4 Technical specifications 14 4 1 General specifications 14 4 2 Measurement...

Page 3: ...ehold appliances portable tools and similar equipment Measurement category I is for measurements performed on circuits not directly connected to MAINS NOTE Examples are measurements on circuits not de...

Page 4: ...e risk of shock due to possible improper reading verify the presence of any ac voltages by first using the ac function Then select a dc voltage range equal to or greater than the ac range Disconnect c...

Page 5: ...ces When the instrument is opened up remember that some internal capacitors can retain a dangerous potential even after the instrument is switched off If any faults or abnormalities are observed take...

Page 6: ...dicator for AC voltage or current 2 Indicates negative readings 3 Indicator for DC voltage or current 4 The meter is in the Autorange mode in which the meter automatically selects the range with the b...

Page 7: ...ess it to enter and exit the Data Hold mode Press it and hold 2 seconds backlight on if press it and hold for seconds again backlight off 2 3 3 RANGE At V V A mA and A 1 Press RANGE to enter the manua...

Page 8: ...e autorange and lock the meter in a specific range The Meter defaults to the autorange mode in measurement functions that have more than one range When the Meter is in the autorange mode AUTO is displ...

Page 9: ...in manual ranging mode To measure ac or dc voltage 1 Set rotary switch to the DCV ACV or DCmV range 2 Connect the black and red test leads to the COM and V terminals respectively 3 Connect the test le...

Page 10: ...void this do not use the 60M range for in circuit resistance measurements On 60M range the meter may take a few seconds to stabilize reading This is normal for high resistance measuring When the input...

Page 11: ...voltage function to confirm that the capacitor is discharged The Meter s capacitance ranges are 60 00nF 600 0nF 6 000 F 60 00 F and 300 0 F To measure capacitance 1 Set the rotary switch to range 2 C...

Page 12: ...0Vdc or 250Vac rms between the C terminal and the COM terminal To avoid electrical shock do not use this instrument when voltages at the measurement surface exceed 60v dc or 24v rms Ac To avoid damage...

Page 13: ...serial data output function It can be connected with PC by USB interface so the measured data can be recorded analyzed processed and printed by PC Before use this function you need install the PC Lin...

Page 14: ...perating temperature 0 40 C 32 122 F 80 RH 10 non condensing Storage temperature 10 60 C 14 140 F 70 RH battery removed Temperature Coefficient 0 1 specified accuracy C 18 C or 28 C MAX Voltage betwee...

Page 15: ...r ACV 40Hz 400Hz 2 Response for ACV Average calibrated in rms of sine wave 3 Overload Protection 1000V dc or 700V ac rms 4 Input Impedance Nominal DC voltage 10M AC voltage 10M 5 Common Mode Rejection...

Page 16: ...tion 250V dc or 250V ac rms 4 2 5 Continuity Check Range Resolution Test Condition 600 0 1 Open circuit voltage approx 0 5V Description Continuity beeper 50 Overload Protection 250V dc or 250V ac rms...

Page 17: ...t 600mA dc or 600mA ac rms for A and mA ranges 10A dc or 10A ac rms for 10A ranges For measurements 6A 4 minutes maximum ON to measure 10 minutes OFF Above 10A unspecified 5 Maintenance This section p...

Page 18: ...emove the fuse by gently prying one end loose then sliding the fuse out of its bracket 6 Install the replacement fuses only with specified ratings F 10A 600V 6 3 32 and F 750mA 600V 5 20 7 Rejoin the...

Page 19: ...19 6 Accessories Delivered with the multimeter User s manual One piece Test leads One piece K type Thermocouple One piece Capacitor test lead One piece PC Link software CD One piece...

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