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Model Pro40 

 

True-RMS Digital Multimeter 

 

USER’S MANUAL 

 

 

 

 

Armada Technologies LLC 

armadatech.com    2020 

 

 

 

 

Summary of Contents for Pro40

Page 1: ...Model Pro40 True RMS Digital Multimeter USER S MANUAL Armada Technologies LLC armadatech com 2020...

Page 2: ...keys 8 Data hold 8 Maximum measurement 8 Backlight 8 Flashlight 8 Auto power off 9 Measurement operation 9 DC AC voltage measurement 9 DC AC voltage mV measurement 10 Frequency Duty measurement 11 DC...

Page 3: ...cations 16 Accuracy Specifications 17 DC voltage 17 AC voltage 17 DC current 18 AC current 18 Resistance 19 Capacitance 19 Frequency duty 20 Diode test 21 Continuity test 21 Maintenance 21 Clean 21 Re...

Page 4: ...eration If incorrectly perform the operation or do not follow the procedure it may damage the instrument or equipment In the circumstances that such conditions are not met or not fully understood plea...

Page 5: ...ric shock or peronal injury and other safety accidents please abide by the following specifications Please read this manual carefully before using the instrument and pay special attention to safety wa...

Page 6: ...nal protection equipment such as approved rubber gloves masks and flame retardant clothes etc to prevent being damaged by electric shock and electric arc due to exposed hazardous live conductor When i...

Page 7: ...in the circumstances that the instrument is taken apart or battery cover is opened It only meets the safety standards when the instrument is used together with the supplied probe If the probe is damag...

Page 8: ...electrical electronic product into household garbage CAT II Class II measurements are suitable for testing and measuring circuits directly connected to power points sockets and similarities of low vol...

Page 9: ...eneration of high performance TRMS digital multimeter The new display and function layout show clearer and better user experience It is the best choice for professional electricians enthusiasts or fam...

Page 10: ...7 Instrument panel description NCV probe Flashlight Red green light LCD display Function keys...

Page 11: ...on is adopted Data hold Press HOLD key enter data hold mode cancel data hold mode Maximum measurement Press Max key enter Maximum measurement cancel Maximum measurement Backlight Press key turn on bac...

Page 12: ...ng off the meter the meter is reopened to restore the automatic shutdown function Measurement operation DC AC voltage measurement 1 Turn the knob to and Switching AC or DC voltage function by FUNC key...

Page 13: ...ey 2 Insert the red probe in socket insert the black probe in COM socket 3 Contact the probe to the measured circuit connect to the measured power supply or circuit in parallel measure the voltage 4 R...

Page 14: ...of duty 4 Read the measurement result on the screen WARNING The voltage above 600V can t be measured otherwise the instrument may be damaged Pay special attention to safety when measuring high voltag...

Page 15: ...e known current with the meter before use confirm the instrument function is intact Note when measuring AC current press FUNC button to see frequency and duty cycle Resistance measurement 1 Turn the k...

Page 16: ...igh voltage capacitors Otherwise the instrument may be damaged and may be struck by electric shocks Continuity measurement 1 Turn the knob to shift and Switch to Continuity measurement function accord...

Page 17: ...socket insert the black probe in COM socket 3 Touch the diode anode with the red probe the black probe contacts the diode cathode 4 Read the measurement result on the screen 7 WARNING When measuring d...

Page 18: ...b to the shift and Switch to live test function according to FUNC key Meter will display LIVE 2 Insert the red probe in socket Then the probe contact to the test point 3 When the meter senses weak AC...

Page 19: ...AX Voltage between terminals and earth ground 600V Fuse protection mA F600mA 250V fuse 10A F10A 250V fuse Sampling rate about 3 times second Display 6000 counter readout Automatically display the unit...

Page 20: ...ading word DC voltage Range Resolution Accuracy 60mV 0 01mV 0 5 reading 3 600mV 0 1mV 6V 0 001V 60V 0 01V 600V 0 1V Input impedance 10M Overload protection 600V Maximum input voltage 600V AC voltage R...

Page 21: ...n measuring large current continuous measurement should be no longer than 15 seconds AC current Range Resolution Accuracy 600 A 0 1 A 1 5 reading 3 6000 A 1 A 60mA 0 01mA 600mA 0 1mA 6A 0 001A 10A 0 0...

Page 22: ...0k 0 01k 600k 0 1k 6M 0 001M 1 5 reading 3 60M 0 01M Overload protection 600V Capacitance Range Resolution Accuracy 10nF 0 001nF 4 0 reading 3 100nF 0 01nF 1000nF 0 1nF 10 F 0 001 F 100 F 0 01 F 1000...

Page 23: ...kHz 1000kHz 0 1kHz 10MHz 0 001MHz 3 0 reading 3 1 99 0 1 Hz duty 1 Range 0 10MHz 2 Voltage sensitivity 0 2 10V AC 3 Overload protection 600V V 1 Range 0 100 kHz 2 Voltage sensitivity 0 5 600V AC3 600V...

Page 24: ...When the resistance 30 and 60 the buzz does not ring the indicator light is red Maintenance Clean If there s dust on the terminal or the terminal is wet it may cause measurement error Please clean th...

Page 25: ...fications Please note the polarity of the battery according to the positive and negative polarity marks inside of the battery cover 4 Install the battery cover to its original position fix and lock th...

Page 26: ...he back cover and remove the back cover 3 Remove the burnt fuse replace with new fuse of the same specifications and ensure that the fuse is clamped in the safety clip 4 Install the back cover fix and...

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