Clarke CDM 15 Operating Instructions Manual
Clarke CDM 15 Operating Instructions Manual

Clarke CDM 15 Operating Instructions Manual

Digital multimeter

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DIGITAL
MULTIMETER
Model No: CDM 15
OPERATING
INSTRUCTIONS
0507
CDM15 - Page 1

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Summary of Contents for Clarke CDM 15

  • Page 1 DIGITAL MULTIMETER Model No: CDM 15 OPERATING INSTRUCTIONS 0507 CDM15 - Page 1...
  • Page 2 When disposing of this product, do not dispose of with general waste. It must be disposed of according to the laws governing Waste Electrical and Electronic equipment, at a recognised disposal facility. CDM15 - Page 2...
  • Page 3: Specifications

    INTRODUCTION Congratulations on the purchase of your new CLARKE compact digital multimeter. This instrument is designed to measure AC and DC voltages, DC current, Resistance, Diode, and to perform continuity checks with accuracy and ease. GUARANTEE This product is guaranteed against faults in manufacture for 12 months from purchase date.
  • Page 4 DC VOLTAGE (1 year 18ºC - 28ºC) Range Resolution Accuracy ± 0.5% of rdg ± 1 digit 10mV ± 0.8% of rdg ± 1 digit 200V 0.1V ± 0.8% of rdg ± 1 digit 500V ± 0.8% of rdg ± 1 digit Maximum allowable input: 500V DC AC VOLTAGE...
  • Page 5: Audible Continuity Test

    RESISTANCE (1 year 18ºC 28ºC) Range Resolution Accuracy 2kohm 1 ohm ±1.0% of rdg ± 2 digits 20kohm 10 ohm ±1.0% of rdg ± 1 digits 200kohm 100 ohm ±1.0% of rdg ± 1 digits 2000kohm 1 kohm ±1.0% of rdg ± 1 digits Maximum Open Circuit Voltage: 0.65V Overload Protection: 250V rms AC...
  • Page 6: Description Of Panel

    DESCRIPTION OF PANEL 1.888 1. Power Switch/Range Selector. For selecting measurement ranges and switching Power ON 2. Function Switch. Switch for selecting functions. 3. Display 3.5 digit LCD from 0 to 1999 counts. 4. Test Leads. Red test lead for positive (+) polarity, Black test lead for negative (-) polarity.
  • Page 7: Dc Voltage Measurement

    OPERATING INSTRUCTIONS WARNING: Extreme care should be taken when reading high voltages. DO NOT exceed maximum voltage for which the meter is designed. DC VOLTAGE MEASUREMENT 1. Set function switch to V position 2. Set range switch to desired position. If magnitude of voltage is unknown beforehand, set the switch to its highest range and then reduce until satisfactory reading is obtained.
  • Page 8: Dc Current Measurement

    DC CURRENT MEASUREMENT 1. Set function switch to A position. 2. Set range switch to 200 mA position. Readings can be taken from other positions, but the decimal point will not be in correct position. 3. Open circuit to be measured, and connect leads in series with the load in which current is to be measured.
  • Page 9: Diode & Continuity Test

    DIODE & CONTINUITY TEST 1. Set function switch to Ω position. 2. Set range switch to ( ) position. 3. Connect the red lead to the anode of the diode to be measured, and the black lead to the cathode. Read the forward voltage drop on the display in mV.
  • Page 10: Replacement Of Fuse

    Part No. CH1502 PARTS & SERVICE CONTACTS For Spare Parts and Service, please contact your nearest dealer, or CLARKE International, on one of the following numbers. PARTS & SERVICE TEL: 020 8988 7400 PARTS & SERVICE FAX: 020 8558 3622 e-mail as follows: PARTS: Parts@clarkeinternational.com...
  • Page 11 NOTES CDM15 - Page 11...
  • Page 12 CDM15 - Page 12...

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