MCP MT8145 Operation Manual Download

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7.2 Troubleshooting

If the meter does not work properly, take actions as described in this manual to check out if the meter is

defective or not.

Once defective or malfunctioning is confirmed, please contact your local distributor or the manufacturer for

repairing.

E-8145/V1.2

Summary of Contents for MT8145

Page 1: ...Benchtop Instrument 80000 Counts 4 7 8 Bench Digital Multimeter Operation Manual...

Page 2: ...s read this operation manual carefully before using this meter and follow the following safety guidelines Before use check and make sure that the instrument s plastic chassis the test leads and the in...

Page 3: ...2 2 PANEL INSTRUCTIONS Fig 2 1 Front panel Fig 2 2 Rear Panel...

Page 4: ...s TIMER key to start the secondary display for counting time Press TIMER key again to turn off the counting time display When the secondary display is display counting time press key SELECT to enter B...

Page 5: ...ppears on the LCD display The relative measuring function measures the difference between the testing value and the reference value The current readings on the secondary display are used as a relative...

Page 6: ...C DC AC DC AC voltage or current 10 PH PH Peak Hold Peak Hold 11 A H Auto Hold 12 AVG Average reading 13 Auto Auto mode 14 APO Auto power off sign 15 RS232 Communication on annunciation 16 MAX MIN MAX...

Page 7: ...alue on the primary display and on the secondary display c If the measuring value is between and upper and lower limit the LCD displays the measuring value on the primary display and on the secondary...

Page 8: ...lly will automatically exit the HOLD or MAX MIN mode 3 Enter or exit mauran range mode Press RANGE button to select manual range mode Then every press on the RANGE button the meter steps to a higher r...

Page 9: ...choose from 8 0000V 80 000V 750 00V Connect the black test lead to COM terminal and the read test lead to V Hz terminal Touch the test leads to the test points and read the display on both the primary...

Page 10: ...mpt an in circuit current measurement when the fuse is blown or when the voltage between open circuit and the ground is 1000V To avoid damage to the meter check the meter s fuse before proceeding Befo...

Page 11: ...rations apply the same as explained in section 4 4 Press SELECT Primary display Secondary display Press 2nd VIEW DCA DCA ACA ACA DCA ACA DC AC A ACA ACA Hz ACA Hz 4 6 Resistance Measurement WANRNING T...

Page 12: ...ance Use the DC function to confirm that the capacitor is discharged NOTE Some capacitors have polarities In measuring polarities capacitors touch the red test lead to the positive polarity and the bl...

Page 13: ...nd read the display Measurement mode Primary display Secondary display Press 2nd VIEW Hz Hz kHz MHz High frequency mode Hi Hz In Hi Hz mode the frequency testing range is 8MHz 1000MHz divided into fou...

Page 14: ...Read the display 4 10 Diode and Continuity Check WANRNING To avoid damage to the meter or the testing equipments disconnect circuit power and discharge all high voltage capacitors before measuring Us...

Page 15: ...software which allows easy connections to PC for PC control Software operating environment Windos9x NT 2000 XP Software version V1 0 5 1 Installation Plug the CD disk into the CD drive Start up the se...

Page 16: ...es you an easier view 5 11 Push Button Panel Basically the functions of the buttons on this panel are the same as the buttons on the multimeter Double click on the function buttons is in the same way...

Page 17: ...m part of the panel indicate the current status of the data recorder Battery indicates the power supply status of the multimeter If power supply is in good status it will display Battery High Otherwis...

Page 18: ...20A 1mA Table 4 ACA True RMS Range Resolution Accuracy Remarks 80mA 1 A 50Hz 5kHz 0 2 rdg 10 Fuse F750Ma 250v F13A 250V Voltage drop 800mV Max input current 20A up to15 seconds 800mA 10 A 8A 0 1mA 50H...

Page 19: ...nd ground 1000V RMS Continuity beeper Approx 3kHz Display dual display 80000 update 4 times Sec Bar graph 23 segments update 40 times Sec Electromagnetic compatibility For all ranges and functions exc...

Page 20: ...ter 7 1 Fuse replacement NOTE Please select fuse of the same specification to replace it Power fuse 200mA 250V located in input power socket Fuse for measuring current 800mA 250V located in the curren...

Page 21: ...oes not work properly take actions as described in this manual to check out if the meter is defective or not Once defective or malfunctioning is confirmed please contact your local distributor or the...