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OPERATING MANUAL

AUTORANGING MULTIMETER

CMM-10

Version 1.7

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Summary of Contents for CMM-10

Page 1: ...OPERATING MANUAL AUTORANGING MULTIMETER CMM 10 Version 1 7 ...

Page 2: ...tic or manual regulation of the measurement range DATA HOLD function which facilitates readings of measurements in the case of insufficient lighting or in inaccessible places REL function which allows you to make measurements relative to a stored reference value circuit continuity sound signalling the function of automatic switching of the meter into the standby mode in order to prolong the durabi...

Page 3: ...DC VOLTAGE MEASUREMENTS 12 6 2 AC VOLTAGE MEASUREMENTS 13 6 3 DC CURRENT MEASUREMENTS 14 6 4 AC CURRENT MEASUREMENTS 15 6 5 RESISTANCE MEASUREMENTS 16 6 6 CONTINUITY MEASUREMENTS 16 6 7 DIODE MEASUREMENTS 17 6 8 CAPACITANCE MEASUREMENTS 18 6 9 FREQUENCY OR DUTY CYCLE MEASUREMENTS 18 6 10 TEMPERATURE MEASUREMENTS 18 7 SPECIAL FUNCTIONS 19 7 1 AUTORANGING MANUAL RANGE SELECTION 19 7 2 RELATIVE MODE ...

Page 4: ...4 12 DISMANTLING AND UTILIZATION 24 13 ATTACHMENTS 24 13 1 TECHNICAL DATA 24 13 2 STANDARD EQUIPMENT 27 13 3 MANUFACTURER 27 ...

Page 5: ... description of a situation where non observance of the recommendations presented in the present manual may imply damage for the meter Indications of possible problems are preceded by the word Note WARNING The purpose of the CMM 10 meter is to realise measurements of AC DC voltage AC DC current resistance capacitance frequency duty cycle diode test continuity and temperature Using the meter in a m...

Page 6: ...voltages are considered a shock hazard Do not exceed the maximum allowable input range of any function Never ground yourself when taking electrical measurements Do not touch exposed metal pipes outlets fixtures etc which might be at ground potential Keep your body isolated from ground by using dry clothing rubber shoes rubber mats or any approved insulating material Turn off power to the circuit u...

Page 7: ...Input V DC or V AC 600VDC AC rms mA AC DC 500mA 250V fast acting fuse A AC DC 10A 250V fast acting fuse Frequency resistance capacitance duty cycle diode test continuity 250VDC AC rms Temperature 250VDC AC rms 3 Preparation of the meter for operation Having purchased the meter examine completeness of the contents of the package Before measurements commence it is necessary to realise the following ...

Page 8: ...he meter OFF if 30 minutes elapse between uses WARNING Connection of inappropriate or damaged test leads constitutes a risk of an electric shock with a dangerous voltage Note On some low AC and DC voltage ranges with the test leads not connected to a device the display may show a random changing reading This is normal and is caused by the high input sensitivity The reading will stabilize and give ...

Page 9: ...9 4 Functional description 4 1 Measurement sockets and elements of selection of the measurement function CMM 10 ...

Page 10: ...iquid Crystal Display with symbolic signs 2 Rotational selector Selection of function Temp Celsius or Fahrenheit temperature measurement Hz frequency and duty cycle measurement Ω CAP resistance capacitance and continuity measurement and diode testing V AC and DC voltage measurement OFF meter off 10A AC and DC current measurement up to 10A mA AC and DC current measurement up to 400mA µA AC and DC c...

Page 11: ...ernating ºC Celsius degrees ºF Fahrenheit degrees AUTO auto range REL relative HOLD display hold 4 3 Test leads The manufacturer guarantees correct measurement indications provided original test leads are used WARNING Connection of inadequate test leads constitutes a risk of electric shock with a dangerous voltage or may be a cause of measurement errors ...

Page 12: ...of interpretation of the results 6 1 DC voltage measurements CAUTION Do not measure DC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter In order to realise a measurement of DC voltage it is necessary to realise the following actions Set the function switch to the V position With the RANGE button set the measurement range manual...

Page 13: ...t actually has voltage on it Make sure the probe tips are touching the metal contacts inside the outlet before assuming that no voltage is present In order to realise a measurement of AC voltage it is necessary to realise the following actions Set the function switch to the V position With the RANGE button set the measurement range manually if necessary Insert the black test lead banana plug into ...

Page 14: ...ion and insert the red test lead banana plug into the VΩTEMPHz mAµA jack For current measurements up to 400mA DC set the function switch to the mA position and insert the red test lead banana plug into the VΩTEMPHz mAµA jack For current measurements up to 20A DC set the function switch to the 10A position and insert the red test lead banana plug into the 10A jack Press the MODE button to indicate ...

Page 15: ... µA position and insert the red test lead banana plug into the VΩTEMPHz mAµA jack For current measurements up to 400mA DC set the function switch to the mA position and insert the red test lead banana plug into the VΩTEMPHz mAµA jack For current measurements up to 20A DC set the function switch to the 10A position and insert the red test lead banana plug into the 10A jack Press the MODE button to ...

Page 16: ...indicate Ω Ω Ω Ω on the display With the RANGE button set the measurement range manually if necessary Touch the test probe tips across the circuit or part under test It is best to disconnect one side of the part under test so the rest of the circuit will not interfere with the resistance reading Read the resistance in the display 6 6 Continuity Measurements WARNING To avoid electric shock never me...

Page 17: ...s necessary to realise the following actions Set the function switch to the Ω CAP position Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive VΩTEMPHz mAµA jack Press the MODE button to indicate and V on the display Touch the test probes to the diode under test Forward voltage will typically indicate 0 400 to 0 700V Reverse volt...

Page 18: ...citor to be tested Read the capacitance value in the display 6 9 Frequency or duty cycle measurements In order to realise frequency or duty cycle measurement it is necessary to realise the following actions Set the rotary function switch to the Hz position Insert the black test lead banana plug into the negative COM jack Insert the red test lead banana plug into the positive VΩTEMPHz mAµA jack Tou...

Page 19: ...t range for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually selected perform the following Press the RANGE key The AUTO display indicator will turn off Press the RANGE key to step through the available ranges until you select the range you want Press and hold the RANGE button for 2 seconds to exit the Ma...

Page 20: ... HOLD button to freeze the reading on the indicator The indicator HOLD will appear in the display Press the HOLD button to return to normal operation 7 4 Display backlight Pressing and holding the HOLD button for 1 second makes the display backlight function turn on or off Note The HOLD feature will activate when the backlight is turned off 8 Battery replacement The CMM 10 meter is supplied by mea...

Page 21: ...osition OFF Open the rear battery cover by removing two screws using a Phillips head screwdriver Remove the old battery and insert the new one into battery holder observing the correct polarity Put the battery cover back in place Secure with the two screws WARNING To avoid electric shock do not operate the meter until the battery cover is in place and fastened securely Note If your meter does not ...

Page 22: ...ition OFF Open the battery cover by loosening the screw on the cover using a Phillips head screwdriver Gently remove the old fuse and install the new fuse into the holder CAUTION Always use a fuse of the proper size and value 0 5A 250V fast blow for the 400mA range 10A 250V fast blow for the 10A range Put the battery cover back in place Insert the screw and tighten it securely WARNING To avoid ele...

Page 23: ... with a damp cloth DO NOT use chemicals cleaning solvents or detergents 5 USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE Remove old or weak batteries so they do not leak and damage the unit 6 IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME the batteries should be removed to prevent damage to the unit Note The electronic system of the meter does not require maintenance 11 Storage ...

Page 24: ... the local regulations concerning disposal of packages worn out batteries and accumulators 13 Attachments 13 1 Technical data m v means measured value of standard DC voltage measurement Range Resolution Basic uncertainty 400 0mV 0 1mV 0 5 m v 2 digits 4 000V 0 001V 40 00V 0 01V 400 0V 0 1V 1 2 m v 2 digits 600V 1V 1 5 m v 2 digits Input impedance 7 8 MΩ AC voltage measurement Range Resolution Basi...

Page 25: ... 01mA 400 0mA 0 1mA 1 8 m v 5 digits 4 000A 0 001A 10 00A 0 01A 3 0 m v 7 digits Frequency range 50 400Hz Resistance measurement Range Resolution Basic uncertainty 400 0Ω 0 1Ω 1 2 m v 4 digits 4 000kΩ 0 001kΩ 1 0 m v 2 digits 40 00kΩ 0 01kΩ 400 0kΩ 0 1kΩ 4 000MΩ 0 001MΩ 1 2 m v 2 digits 40 00MΩ 0 01MΩ 2 0 m v 3 digits Capacitance measurement Range Resolution Basic uncertainty 40 00nF 0 01nF 5 0 m ...

Page 26: ...Hz do 150kHz Temperature measurement Range Resolution Basic uncertainty 20oC 760oC 1 oC 4 oF 1400 oF 1 oF 3 m v 5 C or 9 F probe K type accuracy not included Other technical data a Measurement category in acc with EN 61010 1 II 600V b Insulation double klass II c Ingress protection in acc with EN 60529 IP40 d Pollution degree 2 e Power supply 9V battery f Diode test I 0 3mA U0 1 5V DC g Continuity...

Page 27: ...s PN EN 61010 1 2004 PN EN 61010 2 032 t Quality standard ISO 9001 13 2 Standard equipment The standard set provided by the manufacturer includes the following components The CMM 10 meter Test leads 2 pieces 9V battery K type temperature probe Operating manual Warranty card 13 3 Manufacturer The manufacturer of the device which also provides warranty and post warranty service is the following comp...

Page 28: ...28 Note Service repairs must be realised solely by the manufacturer Made in China for SONEL S A ...

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