Clarke CDM-35 Operating Instructions Manual
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Clarke CDM-35 Operating Instructions Manual

Clarke CDM-35 Operating Instructions Manual

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DIGITAL
MULTIMETER
MODEL CDM-35
Part No.4500055
OPERATING
INSTRUCTIONS
0304

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Summary of Contents for Clarke CDM-35

  • Page 1 DIGITAL MULTIMETER MODEL CDM-35 Part No.4500055 OPERATING INSTRUCTIONS 0304...
  • Page 2 The Meter may be hung on a wall, or supported as shown, depending upon which support is used. The probes may be located as shown, allowing easy one hand operation.
  • Page 3 INTRODUCTION Thank you for purchasing this Clarke Multi-Range Digital Multimeter. This instrument is a compact, rugged, battery operated hand held 3½ digit, digital multimeter. It is designed to measure AC and DC voltage, AC and DC current, Resistance, Diode, Capacitance and for testing Transistors, Continuity, and Thermocouple temperature.

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS Read this information before using the meter, taking special care regarding any WARNING or IMPORTANT notices. The following safe practices and proper operating procedures should be followed when using any multimeter: • Inspect the test leads for insulation damage or exposed metal. Damaged leads should be replaced.

  • Page 5: Specifications

    SPECIFICATIONS Accuracies are ± (% reading ± the number indicated inh the respective chart, added or dxceducted from the digit, or right hand column of the reading) DC Voltage Range Accuracy Resolution 100µV 200mV ±0.5% of rdg ± 1 digit 10mV 200V 100mV...
  • Page 6 DC Current Range Accuracy Resolution ±2% of rdg ± 5 digits 0.01µA 20µA 0.1µA 200µA ±0.8% of rdg ± 1 digit 1µA 10 µA 20mA 100µ A 200mA ±1.2% of rdg ± 1 digit 10mA ±2% of rdg ± 5 digits Overload Protection: 2A/250V fuse for 20µA to 2A ranges 10A/250V fuse for 10A range Max.

  • Page 7: General Characteristics

    Resistance Range Accuracy Resolution ±0.8% of rdg ± 3 digits 200Ω 0.1Ω 2KΩ 1Ω 20KΩ 10Ω ±0.8% of rdg ± 1 digit 200KΩ 100Ω 2MΩ 1KΩ ± 1% of rdg ± 2 digits 20MΩ 10KΩ ±5% of rdg-10 dig ±10 dig 200MΩ...

  • Page 8: Operation

    OPERATION 1. Check the 9-volt battery by setting the ON-OFF switch to ON, if the battery is weak, a + - sign will appear on the display. If this does not appear on the display, proceed as below. See MAINTENANCE if the battery has to be replaced.

  • Page 9: Dc Current Measurement

    DC Current Measurement WARNING, Do not attempt to measure a current in excess of 10 Amps 1. Connect the BLACK test lead to the COM jack and the RED test lead to the mA jack for a maximum of 2A. For inputs greater than 10A, move the red test lead to the 10A jack.

  • Page 10: Diode Measurement

    Note: 1. If the resistance value being measured exceeds the maximum value of the range selected, an over-range indication will be displayed(“1”). Select a higher range. For resistance of approx. 1 Megohm and above, the meter may take a few seconds to become stable. This is normal for high resistance readings. 2..

  • Page 11: Maintenance

    Holster (Size A) Part No. HYHT60 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 or e-mail as follows: PARTS: Parts@clarkeinternational.com SERVICE: Service@clarkeinternational.com...

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