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Mastech MS8250A, Руководство по эксплуатации

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MS8250A/B Digital Multimeter 

 

Attachments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.2 Replace probe 

  Warning 

When  replacing  probe,  replace  with  another  identical  probe  or  one 

with the same capacity. The probe should be in good condition,  with 

a capacity of 1000V, 10A

。

 

If  the  probe  is  damaged,  such  as  having  a  bare  metal  wire,  it  should  be 

replaced immediately. 

 

6. Accessories 

1) 

Probe 

 

1 pc 

2) 

Operation Manual 

 

1 pc 

3) 

Battery 

9V 6F22 

1 pc 

4) 

Interface cable 

USB interface cable 

(MS8250B) 

1 pc 

5) 

CD 

Communication software 

CD (MS8250B) 

1 pc 

- 20 - 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dongguan Huayi Mastech Co., Ltd   

Shenzhen Huayi Mastech Co., Ltd   

Address:  Floor  9,  Block  3  West,  Saige  Science 

&  Technology  Park,  North  Huaqiang  Road, 

Shenzhen City   

Tel.: 0755-83766634 0755-83766670 

Fax.: 0755-83766510 

Post Code: 518028 

E-mail: [email protected] 
Website: www.mastech.cn

 

HM0465401 

Содержание MS8250A

Страница 1: ...ion and over voltage standard of CAT Ⅳ 600V Please follow the safety operation guidelines to ensure the safe use of meter The meter will provide satisfactory service to you if you use and protect it appropriately 1 1 Preparation 1 1 1 When using the meter the user should comply with standard safety rules General shock protection Prevent misusing the meter 1 1 2 Please check for damage that may hav...

Страница 2: ...mmediately 1 2 13 Do not use the meter unless the bottom case and the battery cover are completely fastened in their original places 1 2 14 Don t store or use the meter in direct sunlight or high temperature and high humidity conditions 1 3 Mark Note Important safety information Refer to the operation manual Can be used for dangerous electric conductor Double insulation protection class II CAT Ⅳ A...

Страница 3: ...DC current voltage DC voltage frequency duty ratio resistance capacitance measurement and circuit connection diode test The meter has automatic measuring range and manual measuring range The meter s AC current and AC voltage are measured with True RMS The meter has reading hold function relative measuring function max measuring function min measuring function auto power off function When measuring...

Страница 4: ...ed for shutting off the power Jack voltage resistance frequency duty ratio capacitance diode circuit connection input wire connecting terminal Jack common wire connecting terminal Jack μA and mA current input terminal Jack 20A current input terminal 2 3 LCD display 6 MS8250A B Digital Multimeter Description AC DC Diode Audible continuity AUTO Automatic measuring range mode MAX Maximum measurement ...

Страница 5: ...easurement When measuring current digital display is about 1 sec cycle analog display 0 1 sec cycle 3 1 10 Unit display has function and power unit display 3 1 11 Auto off time 30 sec 3 1 12 Operating power supply 9V 6F22 battery 3 1 13 Battery low voltage indication LCD displays symbol 3 1 14 Temperature coefficient less than 0 1 accuracy C 3 1 15 Operating temperature 0 C 40 C 3 1 16 Storage tem...

Страница 6: ...tection 250V DC or AC RMS 10 MS8250A B Digital Multimeter Specification 3 2 5 Capacitance Measuring range Resolution Accuracy 40nF 0 01nF 3 0 reading 5 digits 400nF 0 1nF 4 F 0 01 F 40 F 0 01 F 100 F 0 1 F Overload protection 250V DC or AC RMS 3 2 6 Diode test Measuring range Resolution Function 0 001V Display approximate diode forward voltage value Forward DC current is about 1mA Backward DC volt...

Страница 7: ...00 A 1 A 40mA 10 A 400mA 100 A 20A 10mA 1 2 reading 2 digits Overload protection A and mA grade Fuse F400mA 250V A grade Fuse F20A 250V When measuring current is greater than 5A the continuous measurement time should not be more than 10 seconds After measuring disconnect the current 3 2 10 AC current Measuring range Resolution Accuracy 400 A 0 1 A 1 5 reading 2 digits 4000 A 1 A 40mA 10 A 400mA 10...

Страница 8: ...meter will enter frequency measurement state 14 MS8250A B Digital Multimeter Operating guidance 4 5 Function switch 4 5 1 When measuring voltage and current press FUNC key to switch AC voltage and AC current 4 5 2 When measuring voltage and current press FUNC to switch different measuring signals 4 6 Backlight 4 6 1 Press key to open the backlight the backlight will automatically trun off after 20...

Страница 9: ...ge measurement 16 MS8250A B Digital Multimeter Operating guidance 4 11 Measurement Resistance range of this meter 400 0 4 000k 40 00k 400k 4 000M 10 00M To measure resistance 4 11 1 Rotate rotary switch to position 4 11 2 Respectively connect black and red test probes to COM input socket and V input socket 4 11 3 Measure the resistance value of circuit to be tested with other two ends of test prob...

Страница 10: ...to be tested is lower than 600mA connect the red test probe to the mA input socket if the measured current is between the range of 600mA 10A the red test probe should be connected to 20A input socket 18 MS8250A B Digital Multimeter Operating guidance 4 16 4 Cut off the circuit to be tested Connect the black test probe to one end of disconnected circuit low voltage relatively and connect the red te...

Страница 11: ...it should be replaced immediately 6 Accessories 1 Probe 1 pc 2 Operation Manual 1 pc 3 Battery 9V 6F22 1 pc 4 Interface cable USB interface cable MS8250B 1 pc 5 CD Communication software CD MS8250B 1 pc 20 Dongguan Huayi Mastech Co Ltd Shenzhen Huayi Mastech Co Ltd Address Floor 9 Block 3 West Saige Science Technology Park North Huaqiang Road Shenzhen City Tel 0755 83766634 0755 83766670 Fax 0755 ...

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