Clarke CDM80 Operating Manual
  1. Manuals
  2. Brands
  3. Clarke Manuals
  4. Multimeter
  5. CDM80
  6. Operating manual
Clarke CDM80 Operating Manual

Clarke CDM80 Operating Manual

Pen probe digital multimeter
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
CDM80 PEN PROBE DIGITAL MULTIMETER
OPERATING MANUAL
Model CDM80 / Part No:4500085

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CDM80 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Clarke CDM80

Summary of Contents for Clarke CDM80

  • Page 1 CDM80 PEN PROBE DIGITAL MULTIMETER OPERATING MANUAL Model CDM80 / Part No:4500085...

  • Page 2: Warranty

    WARRANTY Thank you for purchasing this CLARKE Digital Multimeter. Please read this manual thoroughly and follow the instructions carefully. Before attempting to use the multimeter, thoroughly familiarise yourself with this device & its operation. In doing so you will ensure the safety of yourself and others around you, &...
  • Page 3 READ ALL INSTRUCTIONS BEFORE OPERATING SAVE THESE INSTRUCTIONS Thank you for purchasing your Clarke CDM80 Pen Probe Digital Multimeter. Before attempting to operate your new Multimeter please read these instructions thoroughly. You will need these instructions for the safety warnings, precautions, assembly, operation, maintenance procedures, parts list and diagrams.

  • Page 4: Table Of Contents

    Auto Power Off .......29 TABLE OF CONTENTS Taking Measurements .......30 Warranty ..........2 Measuring DC Voltage ....30 Safety Rules ........7 Measuring AC Voltage.....34 During Use.......... 8 Measuring Resistance.....37 Symbols ..........10 Diode Testing ......40 Preventive Maintenance ....12 Continuity Testing ....43 Description ........
  • Page 5 Do not service this device if you are not qualified to do so. All repairs should be performed by an authorised Clarke repair facility. To ensure safe operaton, and in order to achieve the full functionality of the meter, follow the...
  • Page 6 This meter has been designed according to IEC1010 concerning electronic measuring instruments with an overvoltage category CAT III 600V and pollution 2. Follow all safety and operating instructions to make sure that the meter is used safely and is kept in good operating condition. With proper use and care, the digital meter will give you years of excellent service.

  • Page 7: Safety Rules

    4. Full compliance with safety standards can be guaranteed only if used with test leads supplied. Use ONLY authorised Clarke replacement parts. 5. Always make sure the correct function and range are selected for your job.
  • Page 8 7. When the meter is linked to a circuit, do not touch the probe tip of the meter or the test lead/ test clip. 8. In Manual Mode, when the value scale to be measured is unknown beforehand, select the highest range.
  • Page 9 15. If any faults are observed, STOP using and have the meter serviced by a qualified technician immediately. 16. Never use the meter unless the outer casing is in place and fully fastened. 17. Do not store or use meter in areas exposed to direct sunlight, high temperature, humidity, or condensation.

  • Page 10: Symbols

    SYMBOLS Important safety information Double insulation (Protection class II) CAT III Overvoltage (Installation) category III, Pollution Degree 2 per IEC10101 refers to the level of Impulse Withstand Voltage protection provided. Conforms to European union directive Earth ground Alternating current Direct current...
  • Page 11 AC or DC (alternating current or direct current) Diode Continuity buzzer The maximum value is being held. This indicates that the display data is being held. AUTO Auto range Low battery...

  • Page 12: Preventive Maintenance

    PREVENTIVE MAINTENANCE 1. Do not attempt to adjust or repair the meter by removing the rear case while voltage is being applied. Only a qualified technician should attempt repairs on this meter. 2. Before opening the battery cover or case of the meter, always disconnect the probe tip of the meter and the probe of the test lead (or test clip) from all tested circuits.

  • Page 13: Description

    Multi-function Mode selector makes measurement convenient. Includes overload protection and low battery indicator. This meter is ideal for use in the field, workshop, school, hobby, and home applications. Your CDM80 features: - Auto Range and Manual Range function - Auto Power Off - Data Hold and Maximum Value Measure &...

  • Page 14: Overview

    OVERVIEW 1. Probe 2. Rotating Probe Socket 3. LED Indicator 4. Probe Barrier 5. Mode Selector 6. DATAHOLD Button 7. RANGE Button 8. MAX.HOLD Button 9. FUNC. Button 10. Panel 11. LCD Dispay 12. COM Jack...
  • Page 15 c t i c i t Ω Ω Ω Ω Ω c t i & c t i c t i a t l Ω Ω Ω Ω Ω c t i y t i c t i...
  • Page 16 Probe Input terminals for V, mA, Ω./ and logic test. Rotating Probe Socket Rotates the probe in or out of the meter. LED Indicator Indicates high level and Low level at Logic test range. Probe Barrier Helps to keep hands away from the probe. Mode Selector This switch is used to select functions and desired ranges.

  • Page 17: Specifications

    SPECIFICATIONS Accuracy is specified for a period of one year after calibration at 64 F to 82 F (18 C to 28C). Circumstance Temperature: 23±5°C Relative Humidity: < 75%. GENERAL SPECIFICATIONS Environment conditions: 600V CAT. III Pollution degree: 2 Altitude < 2000m Operating temperature: 32°F~122°F (0~40°C) (<80% RH, <10°C non-condensing) Storage temperature: 14°F ~122°F (10~50°C) (<70% RH, battery removed)
  • Page 18 Max. voltage between terminals and earth ground: 600V DC or AC. Auto ranges and manual range. Display: 20mm LCD. Max. Show Value: 1999 (3 1/2). Polarity Indication: ‘-’ indicates negative polarity. Range Overload Indication: Display ‘OL’. Sampling Time: approx. 0.4 second. Display: Function and electrical capacity.
  • Page 19 DC VOLTAGE ± Input Impedance:10MΩ Overload Protection: 200mV range: 250V DC or AC rms, 2V600V ranges: DC 600V or AC 600V rms. Max. Input Voltage: 600V DC...
  • Page 20 AC VOLTAGE ± ± Input Impedance:10MΩ. Overload Protection:200mV range:250V DC or AC rms/2V600V ranges:DC 600V or AC 600V rms Frequency Range: 40 to 400Hz Response: Average, calibrated in rms of sine wave. Max. Input Voltage: 600V rms AC...
  • Page 21 RESISTANCE ± ± Open Circuit Voltage: 0.25V Overload Protection: 250V DC or rms AC...
  • Page 22 CONTINUITY - t l l l i Open Circuit Voltage: 0.5V Overload Protection: 250V DC or rms AC Diode Forward DC Current: approx. 1mA Reversed DC Voltage: approx.1.5V...
  • Page 23 DC CURRENT ± AC CURRENT ± Frequency Range: 40Hz-200Hz Respose: Average, calibrated in rms of sine wave...
  • Page 24 LOGIC TEST " " " " Input Impedance: approx. 1M Ω Overload protection: 250V DC or rms AC...

  • Page 25: Operation

    OPERATION DATA HOLD If you need to HOLD the current data when measuring, push the “DATA-H” button and it will hold the reading. Push the button again to turn data hold off. MAXIMUM VALUE MEASURING AND HOLD When Mode Selector is set to Voltage “ ”, you can push the “MAX.H”...

  • Page 26: Switching Functions

    SWITCHING FUNCTIONS When preparing to measure voltage, push down the “FUNC” button to switch between DC and AC. Push the “FUNC” button when preparing to measure Resistance, Diode, and Continuity, to switch between them. SWITCHING BETWEEN AUTO & MANUAL RANGE Ω...

  • Page 27: Auto Power Off

    AUTO POWER OFF After 15 minutes without use, the meter will automatically power off. Five short beeps will sound as a 1 minute warning that the unit is about to power off if not used. The unit will sound a long beep when it is automatically powering off.

  • Page 28: Taking Measurements

    TAKING MEASUREMENTS MEASURING DC VOLTAGE WARNING:- RISK OF ELECTROCUTION. Do not input voltage higher than 600V DC. It is possible to show higher voltage, but it may damage the inner circuit of the meter or cause electric shock to the user. Be careful when measurng high voltage to avoid getting an electric shock.
  • Page 29 3. Set the Mode Selector to the Voltage “V “ range position. 4. Press the “FUNC.” Button to switch to DC measure- ment. Switch between auto range and manual range by pressing the “RANGE” button.
  • Page 30 5. Connect the probe tip of the meter and probe tip of the test lead (or test clip) across the power source or on the two sides of the circuit to be measured. 6. The LCD will display the reading. The polarity of the terminal which the tip of the meter probe is testing will be displayed.

  • Page 31: Measuring Ac Voltage

    MEASURING AC VOLTAGE WARNING:- RISK OF ELECTROCUTION.- Do not input voltage higher than 600 V rms AC. It is possible to show higher voltage, but it may damage the inner circuit of the meter or cause electric shock to the user. Be careful when measuring voltage to avoid getting an electric shock.
  • Page 32 4. Press the “FUNC.” button to switch to AC measurement. If necessary, you can switch between Auto Range and Manual Range by pushing the “RANGE” button. 5. Connect the probe tip of the meter to one side of the test circuit and the probe tip of the test lead (or test clip) to the other side.
  • Page 33 NOTE • In the manual range mode, if only the figure ‘OL’ is displayed, it indicates an overload situation for the range you are working in a higher range must be selected. • In the low voltage range, the meter will have an unsteady reading when the test leads are not touching the circuit.

  • Page 34: Measuring Resistance

    MEASURING RESISTANCE WARNING: RISK OF ELECTROCUTION.-When measuring in-circuit resistance,make sure the circuit being tested has a power turned OFF and that all capactors have been fully discharged. 1. Rotate the probe socket clockwise to extend the probe out the front of the meter. 2.
  • Page 35 4. Connect the probe tip of the meter to one side of the test circuit and the probe tip of the test lead (or test clip) to the other side. 5. The LCD will display the readng.
  • Page 36 NOTE: • In the manual range mode, if only the figure ‘OL’ is displayed, it indicates an overload situation for the range you are working in a higher range must be selected. • For measuring resistance above 1MW, the meter may take a few seconds to get a stable reading.

  • Page 37: Diode Testing

    DIODE TESTING WARNING: RISK OF ELECTROCUTION.- When measuring in-circuit diode, make sure the circuit being tested has all power turned OFF and that all capactors have been fully discharged. 1. Rotate the probe socket clockwise to extend the probe out the front of the meter. 2.
  • Page 38 5. Connect the probe tip of the meter to the anode of the diode and the black test lead (or test clip) to the cathode of the diode. 6. The LCD will display the reading. NOTE: • The meter will show the approxi- mate forward voltage drop of the diode.

  • Page 39: Continuity Testing

    CONTINUITY TESTING WARNING: RISK OF ELECTROCUTION.-When testing the circuit continuity, make sure that the power of the circuit has been shut down and that a capactors have been fully discharged. 1. Rotate the probe socket clockwise to extend the probe out the front of the meter. 2.
  • Page 40 5. Connect the probe tip of the meter to one side of the test circuit and the probe tip of the test lead (or test clip) to the other side. 6. If continuity exists (i.e. resistance is less than about 50), the built in buzzer will sound. NOTE: •...

  • Page 41: Measuring Dc Current

    MEASURING DC CURRENT WARNING: RISK OF ELECTROCUTION :-To avoid damage to the meter or injury to the user, never attempt an in-circuit current measurement where the open circuit potential to earth is greater than 250V. Never attempt to measure current greater than 200mA.
  • Page 42 5. Connect the probe tip of the meter and the probe tip of the test lead (or test clip) in series with the load in which the current is to be measured. 6. The LCD will display the reading. The polarity of the tested terminal which the tip of the meter probe is connected to will be indicated.

  • Page 43: Measuring Ac Current

    MEASURING AC CURRENT WARNING: RISK OF ELECTROCUTION. To avoid damage to the meter or injury to the user, never attempt an in-circuit current measurement where the open circuit potential to earth is greater than 250V. Never attempt to measure current greater than 200mA.
  • Page 44 5. Connect the probe tip of the meter and the probe tip of the test lead (or test clip) in series with the load in which the current is to be measured. 6. The LCD will display the reading. NOTE: In the manual range mode, if only the figure ‘OL’ is displayed, it indicates an overload situation for the range you are working in a higher range must be selected.

  • Page 45: Logic Test

    LOGIC TEST WARNING: RISK OF ELECTROCUTION:-Do not input voltage higher than 100 Vrms AC. It may damage the inner circuit of the meter or cause electrical shock to the user. Be careful when testing Logic level to avoid electrc shock. 1.
  • Page 46 5. Press and hold the “FUNC” button and touch the tip of the meter probe to the circuit being measured. Observe the logic state indicated by LED light – Red LED light indicates high level/ logic “1” and green LED light indicates low level/logic “0”. 6.

  • Page 47: Maintenance

    MAINTENANCE BATTERY REPLACEMENT WARNING: RISK OF ELECTROCUTION: Before attempting to open the battery cover of the meter, make sure that the probe tip of the meter and the test lead (or test clip) have been disconnected from the measurement circuit to avoid electric shock hazard.

  • Page 48: Test Lead Replacement

    If test lead or test clip is damaged in any way, it must be replaced immediately. DO NOT use the tool with damaged test lead/test clip in place. Use ONLY authorised Clarke replacement parts.

  • Page 49: Accessories

    ACCESSORIES DESCRIPTION QTY. Test Lead: Electric Ratings 600V 10A Test Clip: Electric Ratings 600V 10A Battery:1.5V, AAA Instruction Manual Carry Case WARNING: RISK OF ELECTROCUTION. Using this meter in an environment with a strong radiated radio frequency electro-magnetic field (approx.3V/m) may result in inaccurate measurements.
  • Page 50 For parts and service please contact your nearest dealer, or CLARKE International on the following number: PARTS & SERVICE TEL: Tel: 020-8988-7400 / FAX 020 8558 3622 or Email: Parts@ clarkeinternational.com or Service@clarkeinternational.com Clarke International • Hemnall Street, Epping, Essex CM16 4LG...
  • Page 51 NOTES:...

Table of Contents