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Summary of Contents for Clarke CDM95
- Page 1 PROFESSIONAL AUTO RANGING DIGITAL CLAMPMETER - 6 FUNCTION MODEL No: CDM95 Part No: 4500099 OPERATING & MAINTENANCE INSTRUCTIONS GC0111...
- Page 2 GUARANTEE This CLARKE product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt as proof of purchase. This guarantee is invalid if the product is found to have been abused or tampered with in any way, or not used for its intended purpose.
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Page 3: Table Of Contents
CONTENTS SAFETY INFORMATION ........... Preliminary .................. During Use ..................Symbols ..................DESCRIPTION ............Components of the Meter............SWITCHES, PUSHBUTTONS AND INPUT JACKS ..... Liquid Crystal Display (LCD) ..........OPERATION INSTRUCTIONS ........Holding Readings ..............Switching Ranges ..............Switching Maximum Value ........... Switching Functions .............. -
Page 4: Safety Information
SAFETY INFORMATION WARNING Take care when using this meter. Improper use can result in electric shock or damage to the meter. Take all normal safety precautions and follow the safeguards suggested in this manual. PRELIMINARY When using the meter, the user must observe all normal safety rules concerning: General protection against electric shock Protection of the meter against misuse. -
Page 5: Symbols
Do not use the meter near explosive gases or steam. Stop using the meter if any abnormalities or faults are observed. Do not use the meter unless its rear case and battery cover is correctly and securely fastened. Do not store or use the meter in areas exposed to direct sunlight, at high temperature or with high relative humidity. -
Page 6: Description
DESCRIPTION This meter is a portable, professional, measuring instrument with a Liquid Crystal Display (LCD) and back light for easily reading. The meter can perform measurements of AC current, AC/DC voltage, resistance, as well as continuity and diode testing. Both Auto range and Manual ranges are available. -
Page 9: Switches, Pushbuttons And Input Jacks
SWITCHES, PUSHBUTTONS & INPUT JACKS Button For controlling the backlight. SEL Button For switching between measuring functions. MAX Button For switching to maximum measurement value. RAN Button For switching between Auto and Manual ranges. HOLD Button For holding the reading (display hold). INPUT Jack For measuring voltage, resistance, diode and continuity. -
Page 10: Operation Instructions
OPERATION INSTRUCTIONS Switch on the power by turning the rotary selector. If the battery voltage is low, the symbol will appear and the batteries should be replaced. Turn the rotary selector to the required function to be measured. Choose the highest range when the value to be measured is unknown. Connect the earth test lead before the positive test lead when making the connection. -
Page 11: Switching Functions
BACKLIGHT AND CLAMP LIGHTING BULB Press the button for two or more seconds to switch the backlight on and off. • When the back light is switched on at the current range, the clamp lighting lamp will illuminate. • The backlight will turn off automaticallyafter 15 seconds. NOTE: •... -
Page 12: Measuring Ac Current
MEASURING AC CURRENT Ensure the test leads are disconnected from the meter before making current clamp measurements. Turn the rotary selector to the A range position. Press the RAN button if required, to choose the Manual Range mode. Squeeze the trigger to open the jaw and fully enclose only one conductor. -
Page 13: Measuring Ac Voltage
• For optimum results, centre the conductor in the jaws. • If OL is displayed when in manual mode, the measurement has exceeded the selected range and a higher one should be selected. • Select the highest available range in the Manual Range mode, when the scale of the value to be measured is not known. - Page 14 NOTE: • At a low voltage range, unsteady readings may appear before the test leads touch the circuit. This is normal because the meter is highly sensitive. When the test leads contact the circuit, the true reading will be shown. •...
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Page 15: Measuring Dc Voltage
± s t i ± s t i ± s t i ± s t i ± s t i • Input impedance 10MΩ. • Overload protection: 200mV range: 25V DC or rms AC, 2V-600V ranges: 600V DC or rms AC. •... - Page 16 • If OL or -OL are displayed when in manual mode, the measurement is outside the selected range and a different one must be selected. • Using the Manual Range mode, when the scale of the value to be measured is not known, select the highest range & lower the range gradually.
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Page 17: Measuring Restistance
± ± MEASURING RESISTANCE When measuring in-circuit resistance, ensure the circuit under test has been turned off and that all capacitors have been fully discharged. Plug the black test lead into the COM jack & the red lead into the INPUT jack. - Page 18 ± s t i ± s t i...
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Page 19: Testing Diodes
• Open circuit voltage: 0.25V • Overload protection: 250V DC or rms AC NOTE: • If only OL is shown on the LCD while in Manual mode, it means the measurement has exceeded the range and a higher range must be selected. -
Page 20: Testing Continuity
Turn the rotary selector to the position. Connect the red test lead to the anode and the black test lead to the cathode (black striped end) of the diode for testing. Take the reading on the LCD. NOTE: • The meter will show the approximate forward voltage drop of the diode. - Page 21 • Open circuit voltage: - 0.45V • Overload protection: 250V DC or rms AC...
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Page 22: Maintenance
MAINTENANCE GENERAL CARE Turn the rotary selector to OFF position to switch off the power when the meter is not in use. Remove the batteries to avoid damage to the meter if it will remain unused for a long time. Do not attempt to remove the rear case to adjust or repair the meter. -
Page 23: Declaration Of Conformity
DECLARATION OF CONFORMITY...
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