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CDM80 PEN PROBE DIGITAL MULTIMETEROPERATING MANUALModel CDM80 / Part No:4500085

10SYMBOLSImportant safety informationDouble insulation (Protection class II)CAT III Overvoltage (Installation) category III, Pollution Degree 2 per IE

11AC or DC (alternating current or direct current)DiodeContinuity buzzerM.H The maximum value is being held.DH This indicates that the display data is

12PREVENTIVE MAINTENANCE1. Do not attempt to adjust or repair the meter by removing the rear case while voltage is beingapplied. Only a qualified tech

13DESCRIPTIONThis meter is a portable professional measuring instrument with easy to read LCD display andconvenient carrying case.Multi-function Mode

14OVERVIEW1. Probe2. Rotating Probe Socket3. LED Indicator4. Probe Barrier5. Mode Selector6. DATAHOLD Button7. RANGE Button8. MAX.HOLD Button9. FUNC.

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16ProbeInput terminals for V, mA, Ω./ / and logic test.Rotating Probe SocketRotates the probe in or out of the meter.LED IndicatorIndicate

17SPECIFICATIONSAccuracy 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 Relati

18Max. 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

19DC VOLTAGEInput Impedance:10MΩOverload Protection: 200mV range: 250V DC or AC rms, 2V600V ranges: DC 600V or AC 600V rms.Max. Input Voltage: 6

2WARRANTYThank you for purchasing this CLARKE Digital Multimeter. Please read this manual thoroughly andfollow the instructions carefully. Before atte

20AC VOLTAGEInput Impedance:10MΩ.Overload Protection:200mV range:250V DC or AC rms/2V600V ranges:DC 600V or AC 600V rmsFrequency Range: 40 to 400HzRes

21RESISTANCEOpen Circuit Voltage: 0.25VOverload Protection: 250V DC or rms ACegnaR noitloseR ycaruccAmho002mho1.0stigid3+gdrfo%0.1(±mhok2mhok100.0mhok

22CONTINUITYOpen Circuit Voltage: 0.5VOverload Protection: 250V DC or rms ACDiodeForward DC Current: approx. 1mAReversed DC Voltage: approx.1.5VegnaR

23DC CURRENTAC CURRENTFrequency Range: 40Hz-200HzRespose: Average, calibrated in rms of sine waveegnaR noituloseR ycaruccAAm02Am10.0Am002Am1.0)stigid3

24LOGIC TESTInput Impedance: approx. 1M ΩOverload protection: 250V DC or rms ACegnaR noitpircseDcigoLV5V5.3V5.1V0"1"hgiH"0"woLI___

25OPERATIONDATA HOLDIf you need to HOLD the current data when measuring, push the “DATA-H” button and it will holdthe reading. Push the button again t

26SWITCHING FUNCTIONSWhen preparing to measure voltage, push down the “FUNC” button to switch between DC andAC. Push the “FUNC” button when preparing

27AUTO POWER OFFAfter 15 minutes without use, the meter will automatically power off. Five short beeps will sound asa 1 minute warning that the unit i

28TAKING MEASUREMENTSMEASURING DC VOLTAGEWARNING:- RISK OF ELECTROCUTION. Do not input voltage higher than 600V DC.It is possible to show higher volta

293. Set the Mode Selector tothe Voltage “V “ rangeposition.4. Press the “FUNC.” Buttonto switch to DC measure-ment. Switch between autorange and ma

3READ ALL INSTRUCTIONS BEFORE OPERATINGSAVE THESE INSTRUCTIONSThank you for purchasing your Clarke CDM80 Pen Probe Digital Multimeter. Before attempti

305. Connect the probe tip of the meter and probe tip of the test lead (or test clip) across the powersource or on the two sides of the circuit to be

31MEASURING AC VOLTAGEWARNING:- RISK OF ELECTROCUTION.- Do not input voltage higher than 600 V rmsAC. It is possible to show higher voltage, but it ma

324. Press the “FUNC.” button to switch to AC measurement. If necessary, you can switch betweenAuto Range and Manual Range by pushing the “RANGE” but

33NOTE• In the manual range mode, if only the figure ‘OL’ is displayed, it indicates an overload situationfor the range you are working in a higher ra

34MEASURING RESISTANCEWARNING: RISK OF ELECTROCUTION.-When measuring in-circuit resistance,makesure the circuit being tested has a power turned OFF an

354. Connect the probe tip of themeter to one side of thetest circuit and the probetip of the test lead (or testclip) to the other side.5. The LCD wil

36NOTE:• In the manual range mode, if only the figure ‘OL’ is displayed, it indicates an overload situationfor the range you are working in a higher r

37DIODE TESTINGWARNING: RISK OF ELECTROCUTION.- When measuring in-circuit diode, makesure the circuit being tested has all power turned OFF and that a

385. Connect the probe tip of the meterto the anode of the diode and theblack test lead (or test clip) to thecathode of the diode.6. The LCD will disp

39CONTINUITY TESTINGWARNING: RISK OF ELECTROCUTION.-When testing the circuit continuity, makesure that the power of the circuit has been shut down and

4TABLE OF CONTENTSWarranty ... 2Safety Rules ... 7During Use...

405. Connect the probe tip of the meter to one side of the test circuit and the probe tip of the testlead (or test clip) to the other side.6. If conti

41MEASURING DC CURRENTWARNING: RISK OF ELECTROCUTION :-To avoid damage to the meter or injury tothe user, never attempt an in-circuit current measure

425. Connect the probe tip of the meter and the probe tip of the test lead (or test clip) in series withthe load in which the current is to be measure

43MEASURING AC CURRENTWARNING: RISK OF ELECTROCUTION. To avoid damage to the meter or injury to theuser, never attempt an in-circuit current measureme

445. Connect the probe tip of the meter and the probe tip of the test lead (or test clip) in series withthe load in which the current is to be measure

45LOGIC TESTWARNING: RISK OF ELECTROCUTION:-Do not input voltage higher than 100 VrmsAC. It may damage the inner circuit of the meter or cause electri

465. Press and hold the “FUNC” button and touch the tip of the meter probe to the circuit beingmeasured. Observe the logic state indicated by LED ligh

47MAINTENANCEBATTERY REPLACEMENTWARNING: RISK OF ELECTROCUTION: Before attempting to open the battery coverof the meter, make sure that the probe tip

48TEST LEADS (OR TEST CLIP) REPLACEMENTWARNING: RISK OF ELECTROCUTION Full compliance with safety standards can beguaranteed only if used with the tes

49ACCESSORIESDESCRIPTION QTY.1. Test Lead: Electric Ratings 600V 10A 12. Test Clip: Electric Ratings 600V 10A 13. Battery:1.5V, AAA 24. Instr

5WARNING:- BE EXTREMELY CAREFUL IN THE USE OF THIS METER. Improper useof this device can result in electric shock to the user or destroy the meter. Fo

50For parts and service please contact your nearest dealer,or CLARKE International on the following number:PARTS & SERVICE TEL: Tel: 020-8988-7400

51NOTES:

6This meter has been designed according to IEC1010 concerning electronic measuring instrumentswith an overvoltage category CAT III 600V and pollution

7SAFETY RULES1. When using the meter observe all normal safety rules concerning:• protection against the dangers of electrical current.• protection of

87. 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

915. If any faults are observed, STOP using and have the meter serviced by a qualified technicianimmediately.16. Never use the meter unless the outer