Mastech MAS838 Operator'S Instruction Manual Download | Manualshive

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Summary of Contents for MAS838

Page 1: ...The content and copyrights of the attached material are the property of its owner Distributed by www Jameco com 1 800 831 4242 ...

Page 2: ...OPERATOR S INSTRUCTION MANUAL DIGITAL MULTIMETER ...

Page 3: ...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...

Page 4: ...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 measurement circuits Co...

Page 5: ... 2 FRONT PANEL ...

Page 6: ...couple VΩmA jack Plug in connector for red positive test lead for voltage resistance and current except 10A measurements or plug in the red plug with k type thermocouple 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 between terminals and earth ground CATⅡ600V Fuse protection F 200mA ...

Page 7: ...1μA 1 of rdg 2 digits 20mA 10μA 1 of rdg 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 Response Average responding calibrated in rms of a sin...

Page 8: ...gits 1 0 of rdg 3digits 2 0 of rdg TEMPERATURE Range Resolution Test Range Accuracy F 1 F 4 F to 32 F 32 F to 752 F 752 F to 1832 F 10 of rdg 2digits 1 0 of rdg 3digits 2 0 of rdg OPERATING INSTRUCTIONS DC VOLTAGE MEASUREMENT 1 2 3 4 Connect the red test lead to the V Ω mA jack and the black lead to the COM jack Set rotary switch at desired DCV position If the voltage to be measured is not known b...

Page 9: ...e source or load being measured Read voltage value on the LCD display DIODE TEST 1 2 3 Connect the red test lead to V Ω mA jack and the black test lead to the COM jack The polarity of red 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...

Page 10: ...ontinuity exists built in buzzer will sound MEASURING TEMPERATURE 1 2 3 If the meter is the function set the rotary switch at Position If it is the F function set the rotary switch at F Position The LCD display will show the current environment temperature Connect the red lead of K type thermocouple into the V Ω mA jack and the black lead of K type thermocouple into the COM jack Read temperature v...

Page 11: ...pting 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 battery NEDA 1604 6F22 type K type thermocouple Holster option ...

Page 12: ...HYS004610 A1 ...

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