Mastech MY-65 Скачать руководство пользователя страница 4

200mA 

10

µ

±

(1.2%+10) 

10A 

1mA 

±

(2.5%+10) 

Overload protection: 250mA/250V fused (range 10A unfused) 

Max. input current: 10A (Can not last for more than 10 seconds.) 

Frequency: 40Hz

1000Hz 

Indication: Average (rms of sine wave) 

RESISTANCE 

Range 

Resolution 

Accuracy 

200

Ω

 

0.01

Ω

 

±

(0.5%+10) 

2K

Ω

 

0.1

Ω

 

±

(0.3%+5) 

20K

Ω

 

1

Ω

 

±

(0.3%+2) 

200K

Ω

 

10

Ω

 

±

(0.3%+2) 

2M

Ω

 

100

Ω

 

±

(0.3%+2) 

20M

Ω

 

1K

Ω

 

±

(0.5%+2) 

200M

Ω

 

10K

Ω

 

±

[ 5.0%(rdg-1000)+10 ] 

Overload protection: 250Vac rms 

Note:  In  range  200M

Ω

,  it  is  normal  that  number  1000  is  displayed  on  the  LCD  when  the  test 

leads is shorted, and the number must be subtracted from the reading while making measurement. 

CAPACITANCE 

Range 

Resolution 

Accuracy 

2000pF 

0.1pF 

±

(4.0%+10) 

20nF 

1pF 

±

(4.0%+10) 

200nF 

10pF 

±

(4.0%+10) 

2

µ

100pF 

±

(4.0%+10) 

20

µ

1nF 

±

(4.0%+10) 

FREQUENCY 

Range 

Resolution 

Accuracy 

20KHz 

1Hz 

±

(1.5%+5) 

Overload protection: 250Vac rms 

Input voltage:    200mV

10V rms 

AUDIBLE CONTINUITY 

Range 

Description 

 

If  the  resistance  under  measurement  is  less  70

Ω

,  the  built-in  buzzer  will 

sound. 

 

 

 

 

 

OPERATING INSTRUCTION 

MEASURING VOLTAGE 

1.  Connect the black test lead to the 

COM

 jack and the red test lead to the 

V

Ω

Hz

 jack. 

2.  Set the rotary switch to the desired V~ or V

  range and connect the test leads to the source 

Содержание MY-65

Страница 1: ...nual Dangerous voltage may be present Earth ground Fuse Conforms to European Union directives Double insulated WARNING To avoid possible electric shock or personal injury follow these guidelines l Do not use the meter if it is damaged Before you use the meter inspect the case Pay particular attention to the insulation surrounding the connectors l Inspect the test leads for damaged insulation or ex...

Страница 2: ...ore attempting to insert transistors for testing always be sure that the test leads have been disconnected from any measurement circuits MAINTENANCE l Before opening the case always disconnect the test leads from all live circuits l For continue protection against fire replace fuse only with the specified voltage and current ratings F 250mA 250V Fast Blown l Periodically wipe the case with a damp ...

Страница 3: ... 0 1 3 200V 10mV 0 1 3 1000V 0 1mV 0 15 5 Input impedance 10MΩ Overload protection Range 200mV 250Vdc or ac rms Other ranges 700V rms or 1000V peak AC VOLTAGE Range Resolution Accuracy 50 60Hz Accuracy 40 1000Hz 2V 0 1mV 0 5 10 1 0 10 20V 1mV 0 6 10 1 0 10 200V 10mV 0 6 10 1 0 10 700V 0 1V 0 8 15 1 2 15 Input Impedance 2MΩ Overload protection 700V rms or 1000V peak Indication Average rms of sine w...

Страница 4: ...n the test leads is shorted and the number must be subtracted from the reading while making measurement CAPACITANCE Range Resolution Accuracy 2000pF 0 1pF 4 0 10 20nF 1pF 4 0 10 200nF 10pF 4 0 10 2µF 100pF 4 0 10 20µF 1nF 4 0 10 FREQUENCY Range Resolution Accuracy 20KHz 1Hz 1 5 5 Overload protection 250Vac rms Input voltage 200mV 10V rms AUDIBLE CONTINUITY Range Description If the resistance under...

Страница 5: ...gnal to avoid interference MEASURING RESISTANCE 1 Connect the red test lead to the VΩHz jack and the black test lead to the COM jack 2 Set the rotary switch to the desired Ω range 3 Connect the test leads to the resistor to be measured and read the value displayed on the LCD 4 While measuring in circuit resistance disconnected circuit power and discharge all high voltage capacitors before measurin...

Страница 6: ...t 70Ω the built in buzzer will sound Battery Fuse Replacement If appears on the LCD it indicates that the battery should be replaced To replace the battery open the case and replace the exhausted battery with the ratings specified 9V NEDA 1604 or 6F22 The fuse rarely needs to be replaced and is blown as a result of the operator s error To replace the fuse open the case and replace the blown fuse w...

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