Mastech MAS830B Скачать руководство пользователя страница 1 | Manualshive

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Mastech MAS830B Скачать руководство пользователя страница 1

OPERATOR’S

INSTRUCTION MANUAL

DIGITAL MULTIMETER

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Содержание MAS830B

Страница 1: ...OPERATOR S INSTRUCTION MANUAL DIGITAL MULTIMETER ...

Страница 2: ...ied in this manual SAFETY SYMBOLS Important safety information refer to the operating manual Dangerous voltage may be present Earth ground Double insulation Protection class II Fuse must be replaced with rating specified in the manual MAINTENANCE Before opening the case always disconnect test leads from all energized circuits For continue protection against fire replace fuse only with the specifie...

Страница 3: ...ements on TV or switching power circuits always remember that there may be high amplitude voltages pulses at test points which can damage the meter Always is careful when working with voltages above 60V dc or 30V ac rms Keep fingers behind the probe barriers while measuring Before attempting to insert transistors for testing always be sure that test leads have been disconnected from any measuremen...

Страница 4: ...FRONT PANEL 3 ...

Страница 5: ...ctor for red positive test lead for voltage resistance and current except 10A measurements SPECIFICATIONS Accuracy is specified for a period of one year after calibration and at 18 to 28 64 F to 82 F with relative humidity to 80 GENERAL Maximum voltage CATⅡ 600V Fuse protection F 200mA 250V Power 9V battery NEDA 1604 or 6F22 Display LCD 1999 counts updates 2 3 sec Measuring method Dual slope integ...

Страница 6: ...dg 2 digits 200mA 100μA 1 5 of rdg 2 digits 10A 10mA 3 of rdg 2 digits Overload Protection F 200mA 250V fuse 10A range unfused AC VOLTAGE Range Resolution Accuracy 200V 100mV 1 2 of rdg 10 digits 600V 1V 1 2 of rdg 10 digits Overload Protection 600V dc or rms ac for all ranges Frequency range 40Hz to 400Hz RESISTANCE Range Resolution Accuracy 200Ω 0 1Ω 0 8 of rdg 3 digits 2kΩ 1Ω 0 8 of rdg 2 digit...

Страница 7: ...urce or load being measured Read voltage value on the LCD display along with the polarity of the red lead connection DC CURRENT MEASUREMENT 1 2 3 4 Connect the red test lead to the V Ω mA jack and the black test lead to COM jack For measurements between 200mA and 10A move red lead to 10A jack Set the rotary switch at desired DCA position Open the circuit in which the current is to be measured and ...

Страница 8: ... lead is positive Set the rotary switch at position Connect the red test lead to the anode of the diode to be tested and the black test lead to the cathode of the diode The approx forward voltage drop of the diode will be displayed If the connection is reversed only figure 1 will be shown TRANSISTOR TEST 1 2 3 Set the rotary switch at hFE position Determine whether the transistor under testing is ...

Страница 9: ...om of the case Simply remove the old and replace with a new one Be careful to observe battery polarity WARNING Before attempting to open the case always be sure that test leads have been disconnected from measurement circuits Close case and tighten screws completely before using the meter to avoid electrical shock hazard ACCESSORIES Operator s instruction manual Set of test leads Gift box 9 volt b...

Страница 10: ...HYS004609 A1 ...

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