Clarke CDM45C User Manual Download

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OPERATING INSTRUCTIONS

GC0415

DIGITAL MULTIMETER

MODEL NO: CDM45C

PART NO: 4501155

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Summary of Contents for CDM45C

Page 1: ...OPERATING INSTRUCTIONS GC0415 DIGITAL MULTIMETER MODEL NO CDM45C PART NO 4501155 ...

Page 2: ...hase This guarantee is invalid if the product is found to have been abused or tampered with in any way or not used for the purpose for which it was intended Faulty goods should be returned to their place of purchase no product can be returned to us without prior permission This guarantee does not effect your statutory rights ENVIRONMENTAL RECYCLING POLICY Through purchase of this product the custo...

Page 3: ...en the meter is connected to the circuit being measured 3 Keep your fingers behind the probe barriers when taking measurements 4 Do not take voltage measurements if you suspect the value exceeds 600V 5 If the appropriate value range is unknown select the highest range on the scale 6 Disconnect the test leads from the circuit under test before turning the rotary function selector 7 Do not measure t...

Page 4: ...al SPECIFICATIONS Product dimensions L x W x H 195 x 95 x 52 mm Weight inc battery 425 g Test leads length inc probes 990 mm Max voltage between input earth 600V Fuses F1 400mA 600V F2 10A 600V Power PP3 type 9V battery Maximum display value 1999 Over range indication 1 Polarity display for negative polarity Detects and measures voltages DCV 200m 2 20 200 0 5 600 0 8 ACV 2 20 200 0 8 600 1 2 Detec...

Page 5: ...y Switch Selects different functions and range The four input sockets are used as follows 5 mA hFE Positive input socket for current mA capacitance and diode tests connected via red test probe or used as a dedicated multifunction test socket 6 COM All common inputs to be measured are connected with via the black test probe Also used as a dedicated multifunction test socket 7 VTemp Ω Hz Positive in...

Page 6: ...Frequency measurement Hz Temperature Temp Transistor Gain hFE ITEMS SUPPLIED Multi meter c w polymer holder and fold out stand Pair of test lead probes 1 red 1 black 9 volt battery Type K fine wire thermocouple HFE temperature measurement connector adaptor SAFETY SYMBOLS Please read all of the safety and operating instructions carefully before using this product The following safety symbols may be...

Page 7: ...red test lead 4 Remove the positive test lead first when disconnecting READING HOLD 1 Press HOLD button to hold the readings of current measurement 2 Press the HOLD button again to release the hold DC AC VOLTAGE MEASUREMENT 1 Plug the black test lead into the COM jack and the red test lead into the VTempΩ Hz jack 2 Set the rotary switch to the V position for DC measurement and V for AC measurement...

Page 8: ...ead NOTE When 1 is shown on the LCD it means the measurement has exceeded the allowable range a higher range should be selected NOTE When the scale of the value to be measured is unknown select the highest range first and then lower the range accordingly NOTE indicates the maximum current of the mA jack is 200mA and the maximum current of the 10A jack is 10A At either jack current exceeding the li...

Page 9: ... meter will show approximate forward voltage drop of the diode NOTE When the test leads are reversed or opened 1 will appear on the LCD CONTINUITY 1 Plug the black test lead into the COM jack and the red test lead into the VTempΩ Hz jack 2 Set the rotary switch to the position 3 Connect the test leads to two ends of the circuit If resistance of the circuit is less than 50Ω the built in buzzer will...

Page 10: ...ocket with the correct polarity 3 Set the rotary switch to the Temp position 4 Use the thermocouple to measure the temperature of the surface of the test object 5 Read value on LCD TRANSISTOR GAIN 1 Plug the multi function socket with the IN end in the hFE mA jack and the COM end in the COM jack 2 Set the rotary switch to the hFE position and at the proper range 3 Determine if the transistor to be...

Page 11: ...be shown AC VOLTAGE Max input voltage 250V AC at 200mV range 600V AC elsewhere Input impedance 10MΩ Frequency response 200Hz at 600V range 40 400Hz Response Average RMS of sine wave NOTE At low voltage ranges unsteady readings will appear before the test leads make contact with the circuit This is normal since the meter is highly sensitive When the test leads connect to the circuit the true readin...

Page 12: ...600V fuse Max input current mA jack mA range 200mA 10A jack 10A Frequency range 40Hz to 400Hz Display Average effective value of sine wave CAPACITANCE Range Resolution Accuracy 2mA 1µA 0 8 of reading 1 digits 20mA 10µA 200mA 100µA 1 5 of reading 1 digits 10A 10mA 2 of reading 5 digits Range Resolution Accuracy 20mA 10µA 1 of reading 5 digits 200mA 100µA 1 8 of reading 5 digits 10A 10mA 3 of readin...

Page 13: ...its 40C 1000C 1C 2 of reading 5 digits Range Resolution Accuracy 200Ω 0 1Ω 0 8 of reading 3 digits 2kΩ 1Ω 0 8 of reading 2 digits 20kΩ 10Ω 200kΩ 100Ω 2MΩ 1kΩ 1 0 of reading 2 digits 20MΩ 10kΩ 200MΩ 100kΩ 6 0 of reading 10 digits Resolution Function 1mV Displaying approximate forward voltage of diode Function Built in buzzer will sound if resistance is lower than 50Ω Range Resolution Accuracy 20kHz...

Page 14: ...emove 3 Remove the battery and replace with a new one 4 Clip the battery compartment to the casing and tighten the screw REPLACING FUSES Fuses rarely need replacement Almost all fuse blows are the result of operator error Fuses should be replaced by the Clarke Service Department with the type s stated on page 4 TEST LEAD REPLACEMENT Replace the leads if they become damaged WARNING BEFORE REMOVING ...

Page 15: ...15 Parts Service 020 8988 7400 E mail Parts clarkeinternational com or Service clarkeinternational com DECLARATION OF CONFORMITY ...

Page 16: ......

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