Mastech MY67 Instruction Manual Download Page 14 | Manualshive

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4.9 DIODE

Function

Resolution

Test
current

Open circuit
voltage

1mV

25

µ

A

3.0V

4.10 AUDIBLE CONTINUITY
Function

Description

If resistance is lower than 50

Ω

, built-in

buzzer will sound.

4.11 TRANSISTOR

Function

Range

Base current

Vce

h

FE

1 to 1000

25

µ

A

3.0V

5. ACCESSORIES

5.1 SUPPLIED WITH THE MULTIMETER

Test leads        Electric Rating 1500V, 10A        1 couple
Battery              9V NEDA 1604 or 6F22              1 pcs
Operating Manual                                                  1 pcs
Holster                                                                      1 pcs
Capacitance Testing Adapter                              1 pcs

5.2 HOW TO USE THE HOLSTER

The holster is used to protest the meter and to make the
measurement more comfortable, it comes with tow
stands installed together. The figure shows how to use
the holster to:

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Summary of Contents for MY67

Page 1: ...RUCTION 6 3 1 MEASURING VOLTAGE 6 3 2 MEASURING CURRENT 6 3 3 MEASURING RESISTANCE 7 3 4 MEASURING FREQUENCY 7 3 5 MEASURING CAPACITANCE 8 3 6 CONTINUITY TEST 8 3 7 DOIDE TEST 8 3 9 TRANSISTOR TEST 9 4 SPECIFICATIONS 9 5 ACCESSORIES 13 6 BATTERY FUSE REPLACEMENT 14 ...

Page 2: ...ction of the meter against misuse Full compliance with safety standards can be guaranteed only if used with test leads supplied If necessary they must be replaced with the same model or same electronic ratings Measuring leads must be in good condition 1 2 DURING USE Never exceed the protection limit values indicated in specifications for each range of measurement When the meter is linked to measur...

Page 3: ...ind the probe barriers while measuring 1 3 SYMBOLS Important safety information refer to the operating manual Dangerous voltage may be present Earth ground Double insulation Protection class Ⅱ 1 4 MAINTENANCE Before opening the meter always disconnect test leads from all sources of electric current For continue protection against fire replace fuse only with the specified voltage and current rating...

Page 4: ...ssional instrument with 3 3 4 digit LCD display capable of performing functions DC voltage measurement AC voltage measurement DC current measurement AC current measurement Resistance measurement Capacitance measurement Frequency measurement Diode test Transistor test Audible continuity test Names of components 1 4 buttons 5 Rotary switch 6 A input jack 7 mA input jack 8 V Ω Hz input jack 9 COM inp...

Page 5: ...2 1 SELECT Function selection button This button is used to select ACA or DCA measuring mode 2 2 RANGE Auto manual range selection button 4 ...

Page 6: ...the changes are as the figure 2 3 REL Relative value measurement The button is for relative value measurement except Hz diode and continuity Push the button to get relative measurement mode REL annunciate display on LCD But store the displayed reading as a reference value In the Relative mode the value shown on the LCD is always the difference between the stored reference value and the present rea...

Page 7: ... ac A A 10A dc or rms ac μA mA and A ranges are protected by fuses 3 OPERATING INSTRUCTION 3 1 MEASURING VOLTAGE 1 Connect the black test lead to the COM jack and the red test lead to the V Ω jack 2 Set the rotary switch at the desired V or V range position and connect test leads across the source or load under measurement 3 Read LCD display The polarity of the red connection will be indicated whe...

Page 8: ...e red test lead to the V Ω Hz jack NOTE The polarity of red lead connection is positive 2 Set the rotary switch at Ω position and connect test leads across the resistance under measurement Read LCD display NOTE 1 For resistance above 1MΩ the meter may take a few seconds to stabilize reading 2 When the input is not connected i e at open circuit the figure OL will be displayed for the overrange cond...

Page 9: ... the adapter into the capacitance testing socket on the front panel to continue measurements WARNING To avoid shock be sure the capacitor measuring adapter has been removed before changing to another function measurement 3 6 CONTINUITY TEST 1 Connect the black test lead to the COM jack and the red test lead to the V Ω Hz jack Note the polarity of red lead connection is positive 2 Set the rotary sw...

Page 10: ...Emitter Base and Collector lead Insert leads of the transistor to be tested into proper holes of the testing socket on the front panel 3 LCD display will show the approximate hFE value at the test condition of base current 10µA and Vce 3 2V 4 SPECIFICATIONS Accuracy is specified for a period of one year after calibration and at 18 C to 28 C 64 F to 82 F with relative humidity to 80 Accuracy specif...

Page 11: ... LOW BATTERY INDICATION displayed OPERATING TEMPERATURE 0 C to 40 C 32 F to 104 F STORAGE TEMPERATURE 10 C to 50 C 14 F to 122 F DIMENSION 91 189 31 5mm WEIGHT 310g including battery 4 2 AC VOLTAGE Range Resolution Accuracy 400mV 0 1mV 4V 1mV 40V 10mV 400V 100mV 0 5 of rdg 0 2 of full scale 2 digit 750V 1V 0 8 of rdg 2 digits Input Impedance 10MΩ Frequency Range 40Hz to 400Hz Response Average cali...

Page 12: ...esolution Accuracy 400µA 0 1µA 0 8 of rdg 2 digits 4mA 1µA 0 8 of rdg 2 digits 40mA 10µA 0 8 of rdg 2 digits 400mA 0 1mA 1 2 of rdg 2 digits 10A 10mA 2 0 of rdg 5 digits Overload protection F 500mA fuse for µA and mA ranges F 10 A fuse for A range 4 5 AC CURRENT Range Resolution Accuracy 400µA 0 1µA 0 8 8 0 of rdg 3 digits 4mA 1µA 0 8 of rdg 3 digits 40mA 10µA 0 8 of rdg 3 digits 400mA 0 1mA 1 2 o...

Page 13: ...tion Accuracy 400Ω 0 1Ω 0 8 of rdg 3 digits 4KΩ 1Ω 0 8 of rdg 1 digits 40KΩ 10Ω 0 8 of rdg 1 digits 400KΩ 100Ω 0 8 of rdg 1 digits 2MΩ 1KΩ 0 8 of rdg 1 digits 40MΩ 10KΩ 1 2 of rdg 2 digits Max open circuit voltage 3 2V 4 7 CAPACITANCE Range Resolution Accuracy 4nF 1pF 40nF 10pF 400nF 100pF 4µF 1nF 40µF 10nF 200µF 100nF 3 0 20 4 8 FREQUENCY Range Resolution Accuracy 100kHz 1Hz 2 5 12 ...

Page 14: ...ce hFE 1 to 1000 25µA 3 0V 5 ACCESSORIES 5 1 SUPPLIED WITH THE MULTIMETER Test leads Electric Rating 1500V 10A 1 couple Battery 9V NEDA 1604 or 6F22 1 pcs Operating Manual 1 pcs Holster 1 pcs Capacitance Testing Adapter 1 pcs 5 2 HOW TO USE THE HOLSTER The holster is used to protest the meter and to make the measurement more comfortable it comes with tow stands installed together The figure shows ...

Page 15: ...tle stand Take the little stand off from the back side of the large and insert it into holes located upper on the holster D hold test leads 6 BATTERY FUSE REPLACEMENT If the sign appears on the LCD display it indicates that battery should be replaced Remove screws on the back cover and open the case Replace the exhausted battery with a new one 14 ...

Page 16: ...e the PCB out from the front cover Replace the blown fuse with same ratings WARNING Before attempting to open the case be sure that test leads have been disconnected from measurement circuits to avoid electric shock hazard For protection against fire replace fuse only with specified ratings F1 200mA 250V quick acting F2 F20A 250V 15 ...

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