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TECPEL DCM-033, Руководство по эксплуатации

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B. Measuring Resistance

 (see figure 4)

(figure 4)

Red

Black

Warning

To avoid damages to the Meter or to the devices

under test, disconnect circuit power and discharge

all the high-voltage capacitors before measuring

resistance.

The resistance ranges are:

400 , 4k , 40k ,400k ,M  and 40M .

To measure resistance, connect the Meter as follows:

Insert  the red test lead into the Hz Duty%

            

terminal and the black test lead into the

COM

 terminal.

1.

2.

3.

Set the rotary switch to  .  Resistance measurement is default to auto range mode,

press              to switch to manual ranging measurement mode.

Connect  the test leads across with the object being measured.

The measured value shows on the display.

REL

20

Содержание DCM-033

Страница 1: ...Digital Clamp Multimeters DCM 033 ...

Страница 2: ...e Rotary Switch Functional Buttons The Effectiveness of Functional Buttons Display Symbols Measurement Operation A DC AC Voltage Measurement B Measuring Resistance C Testing Diodes D Testing for Continuity E Frequency Measurement F Duty Cycle Measurement G DC AC Current Measurement 3 4 5 6 9 10 11 12 14 15 18 18 20 22 24 26 28 30 Title Page 1 ...

Страница 3: ...uirements Accuracy Specifications A DC Voltage B AC Voltage C Resistance D Diode Test E Continuity Test F Frequency G Duty Cycle H DC Current I AC Current Maintenance A General Service B Replacing the Battery 32 33 33 34 35 35 36 37 37 38 39 40 40 42 44 44 45 Title Page 2 ...

Страница 4: ... the Meter Digital Clamp Multimeter Model DCM 033 hereafter referred to as the Meter are 3 3 4 digits with steady operations fashionable structure and highly reliable measuring instrument The Meter uses large scale of integrated circuit with double integrated A D converter as its core and has full range overload protection The Meter can not only measure AC DC Voltage AC DC Current Frequency Duty C...

Страница 5: ...s carefully to see any missing or damaged part Item Description Qty 1 2 3 4 5 English Operating Manual Test Lead Test Clip Carrying Bag 9V Battery NEDA1604 6F22 or 006P 1 piece 1 pair 1 pair 1 piece 1 piece In the event you find any missing or damage please contact your dealer immediately 4 ...

Страница 6: ...nstallation with smaller transient overvoltages than CAT IV Use the Meter only as specified in this operating manual otherwise the protection provided by the Meter may be impaired In this manual a Warning identifies conditions and actions that pose hazards to the user or may damage the Meter or the equipment under test A Note identifies the information that user should pay attention to Internation...

Страница 7: ...xposed metal Check the test leads for continuity Replace damaged test leads with identical model number or electrical specifications before using the Meter Do not apply more than the rated voltage as marked on the Meter between the terminals or between any terminal and grounding If the value to be measured is unknown use the maximum measurement position and reduce the range step by step until a sa...

Страница 8: ... shock Use the proper terminals function and range for your measurements Do not use or store the Meter in an environment of high temperature humidity explosive inflammable and strong magnetic field The performance of the Meter may deteriorate after dampened When using the test leads keep your fingers behind the finger guards Disconnect circuit power and discharge all high voltage capacitors before...

Страница 9: ...clean the surface of the Meter when servicing No abrasive and solvent should be used to prevent the surface of the Meter from corrosion damage and accident The Meter is suitable for indoor use Turn the Meter off when it is not in use and take out the battery when not using for a long time Constantly check the battery as it may leak when it has been using for some time replace the battery as soon a...

Страница 10: ...l Symbols AC Alternating Current DC Direct Current AC or DC Grounding Double Insulated Warning Refer to the Operating Manual Deficiency of Built In Battery Continuity Test Diode Fuse Conforms to Standards of European Union 9 ...

Страница 11: ...ormer jaws When the pressure on the lever is released the jaws will close Hand Guards to protect user s hand from touching the dangerous area Transformer Jaw designed to pick up the AC and DC current flowing through the conductor It could transfer current to voltage The tested conductor must vertically go through the Jaw center 1 2 3 4 5 6 7 10 ...

Страница 12: ...e rotary switch positions Rotary Switch Position Power is turned off AC or DC voltage measurement Resistance measurement Diode test Continuity test Frequency Measurement and Duty Measurement AC and DC current measurement range Function OFF V Hz Duty 40A 400A 11 ...

Страница 13: ...ps At and range Press to select manual ranging measurement mode The Meter is default to auto ranging measurement mode When the Meter is at manual ranging measurement mode press to step down the range At range Press to enter the REL mode It subtracts a stored value from the present measurement value and displays a result At Hz Duty range Press to switch between Hz measurement mode and Duty measurem...

Страница 14: ... button to select the alternate functions marked in blue colour on the Meter s faceplate including Hz Duty 40 and 400 After the Meter entering Sleep Mode press and hold SELECT to turn the Meter on it will disable the Sleep Mode feature l l V A A 13 ...

Страница 15: ...ttons can be used on every rotary switch positions Below table describe which functional buttons can be used on which rotary switch positions Rotary Switch Positions Functional Buttons SELECT REL HOLD l l l l l l l l l l l N A l l l l N A N A V Hz Duty 40A 400A 14 ...

Страница 16: ...Display Symbols see figure 2 figure 2 4 1 2 3 5 6 8 9 10 12 13 14 16 7 11 15 15 ...

Страница 17: ...readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears The Meter is in the auto range mode in which the Meter automatically selects the range with the best resolution Test of diode The continuity buzzer is on Indicator for Duty Data hold is active Indicator for REL mode 16 ...

Страница 18: ...ilohm 1x103 or 1000 ohms M Megohm 1x106 or 1 000 000 ohms The unit of Frequency Amperes amps The unit of current Volts The unit of voltage mV Millivolt 1x10 3 or 0 001 volts Indicates negative reading Indicator for TRMS mode Only for DCM 033T The input value is too large for the selected range 17 ...

Страница 19: ...ot attempt to measure voltages higher than 600V AC DC although readings may be obtained The DC Voltage ranges are 400mV 4V 40V 400V and 600V The AC Voltage ranges are 4V 40V 400V and 600V To measure DC voltage connect the Meter as follows Insert the red test lead into the Hz Duty terminal and the black test lead into the COM terminal 1 Red Black 18 ...

Страница 20: ...ove testing leads from the input terminals Set the rotary switch to DC mesaurement mode and auto ranging is a default Press SELECT to switch to AC measurement mode or press to switch to manual ranging measurement mode Connect the test leads across with the object being measured The measured value shows on the display 2 3 V REL 19 Note l ...

Страница 21: ...ance ranges are 400 4k 40k 400k M and 40M To measure resistance connect the Meter as follows Insert the red test lead into the Hz Duty terminal and the black test lead into the COM terminal 1 2 3 Set the rotary switch to Resistance measurement is default to auto range mode press to switch to manual ranging measurement mode Connect the test leads across with the object being measured The measured v...

Страница 22: ...ove the objects being tested from the circuit when measuring When resistance measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals 21 Note l l ...

Страница 23: ...to check diodes transistors and other semiconductor devices The diode test sends a current through the semicondutor junction then measure the voltage drop across the junction A good silicon junction drops between 0 5V and 0 8V To test the diode out of a circuit connect the Meter as follows Insert the red test lead into the Hz Duty terminal and the black test lead into the COM terminal 1 figure 5 R...

Страница 24: ... testing leads and the circuit under test and remove testing leads from the input terminals Set the rotary switch to Diode measurement mode is a default or presss SELECT to select measurement mode For forward voltage drop readings on any semiconductor component place the red test lead on the component s anode and place the black test lead on the component s cathode 2 3 23 Note l l ...

Страница 25: ...eter as follows Insert the red test lead into the Hz Duty terminal and the black test lead into the COM terminal Set the rotary switch to and press SELECT button to select measurement mode The buzzer sounds if the resistance of a circuit under test is less than 50 1 2 3 4 5 The buzzer may or may not sounds if the resistance of a circuit under test is between 50 to 100 The buzzer does not sound if ...

Страница 26: ...When continuity testing has been completed disconnect the connection between the testing leads and the circuit under test and remove testing leads from the input terminals 25 Note l ...

Страница 27: ...tained The resistance ranges are 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz and 10MHz To measure frequency connect the Meter as follows Insert the red temperature probe into the Hz Duty terminal and the black temperature probe into the COM terminal 1 2 3 figure 7 Red Black Set the rotary switch to Hz Connect the test leads across with the object being measured The measured value shows on the display 26 ...

Страница 28: ...en frequency measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove the testing leads away from the input terminals of the Meter 27 Note l ...

Страница 29: ...gs may be obtained The duty cycle range is 0 1 99 9 To measure duty cycle connect the Meter as follows Insert the red temperature probe into the HzDuty terminal and the black temperature probe into the COM terminal 1 2 3 REL Set the rotary switch to Hz and press to select Duty Cycle measurement mode Connect the test leads across with the object being measured The measured value shows on the displa...

Страница 30: ...n duty cycle measurement has been completed disconnect the connection between the testing leads and the circuit under test and remove the testing leads away from the input terminals of the Meter 29 Note l ...

Страница 31: ...t only to the magnet but also to heat and machines reaction force Any shock will cause the changing in reading in the short time Press the lever to open the transformer jaw A A A A Center the conductor within the transformer jaw then release the Meter slowly until the trasnformer jaw is completely closed Make sure the conductor to be tested is placed at the center of the transformer jaw otherwise ...

Страница 32: ...resent measurement value and displays a result When current measurement has been completed disconnect the connection between the conductor under test and the jaw and remove the conductor away from the transformer jaw of the Meter REL 31 Note l l ...

Страница 33: ...rotary switch or pressing the button based on The Effectiveness of Functional Buttons on page 14 Press SELECT to activate the Meter will disable the Sleep Mode feature The Meter beeps 5 times in about 1 minute before entering Sleep Mode and it will have a 1 long beep just before entering Sleep Mode To disable the Sleep Mode function press and hold SELECT button while turning on the Meter 32 ...

Страница 34: ...pdates 3 times second Measuremnet Deviation The conductor being meaured is not placed in the center of the jawt during AC DC current measurement it will cause extra 1 deviation based on the stated accuracy Drop Test 1 meter drop test passed Max Jaw Size 28mm diameter Projected Max Current conductor size 26mm diameter Electro Magnetic When carrying out measurement near the electro magnetic it may c...

Страница 35: ...tery included l l l l B Environmental Requirements The Meter is suitable for indoor use Altitude Operating 2000m Storage 10000m Safety Compliances IEC 61010 CAT II 600V CAT III 300V over voltage and double insulation standard Temperature and humidity Operating 0ºC 30ºC 85 R H 30ºC 40ºC 75 R H 40ºC 50ºC 45 R H Storage 20ºC 60ºC 85 R H l l l l 34 ...

Страница 36: ...ating temperature 23ºC 5ºC Relative humidity 85 R H Temperature coefficient 0 1x specified accuracy 1ºC A DC Voltage Range Resolution Accuracy Overload protection 400 0mV 4 000V 40 00V 400 0V 600V 0 1mV 1mV 10mV 100mV 1V 0 8 3 0 8 1 1 3 600V DC AC Remarks Input impedance 10M 35 ...

Страница 37: ...e to AC by using average response method Input sine wave then adjust the reading until it is same as the effective value Combine AC and True RMS response method Input sine wave to adjust Non sine wave must follow the below data to adjust Peak factor 1 4 2 0 add 1 0 on the stated accuracy Peak factor 2 0 2 5 add 2 5 on the stated accuracy Peak factor 2 5 3 0 add 4 0 on the stated accuracy DCM 033 D...

Страница 38: ...tion 400 0 4 000k 40 00k 400 0k 4 000M 40 00M 100m 1 10 100 1k 10k 1 2 2 1 2 1 2 2 1 5 2 600Vp D Diode Test Range Resolution Accuracy Overload protection 1mV Display forward voltage drop nearest value 600Vp Remark Open circuit voltage approximate 1 48V 37 ...

Страница 39: ...n 100m Around 50 the buzzer beeps 600Vp Remark Open circuit voltage approximate 0 45V The buzzer may or may not beeps when the resistance of a circuit under test is between 50 100 The buzzer will not beep when the resistance of a circuit under test is 100 l l l 38 ...

Страница 40: ...cy Overload protection 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz 0 001Hz 0 01Hz 0 1Hz 1Hz 10Hz 100Hz 1kHz 0 1 3 600Vp For reference only Remark Input Sensitivity as follows When 100kHz 300mV rms When 100kHz 600mV rms When 1MHz 800mV rms 39 ...

Страница 41: ...0 1A 400A DC AC 40 00A 400 0A 2 5 2 3 Warning The operating temperature must be 0ºC 40ºC when measuring current Remark If the reading is positive the current direction is from bottom to up See figure 10 the front case face up while the bottom case face down Hold the Meter tight do now release The Hall components are very sensitive not only to the magnet but l 40 ...

Страница 42: ...ansformer jaw Center the conductor within the transformer jaws then release the Meter slowly until the transformer jaw is completely closed Make sure the conductor to be tested is placed at the center of the transformer jaw otherwise it will cause 1 0 deviation based on the stated accuracy Remove the transformer jaw Press to display zero Repeat the above 1 procedure The obtained reading will be mo...

Страница 43: ...e very sensitive not only to the magnet but also to heat and machines reaction force Any shock will cause the changing in reading in the short time Follow the below procedure to measure current will be more precise l l Hold the Meter tight and press the lever to open the transformer jaw Center the conductor within the transformer jaws then release the Meter slowly until the transformer jaw is comp...

Страница 44: ...se method Input sine wave to adjust Non sine wave must follow the below data to adjust Peak factor 1 4 2 0 add 1 0 on the stated accuracy Peak factor 2 0 2 5 add 2 5 on the stated accuracy Peak factor 2 5 3 0 add 4 0 on the stated accuracy Remove the transformer jaw Press to display zero Repeat the above 1 procedure The obtained reading will be more precise 2 3 4 5 l Change to AC REL 43 ...

Страница 45: ...to the Meter do not get water inside the case A General Service Periodically wipe the case with a damp cloth and mild detergent Do not use abrasives or solvents To clean the terminals with cotton bar with detergent as dirt or moisture in the terminals can affect readings Turn the Meter power off when it is not in use Take out the battery when it is not using for a long time Do not use or store the...

Страница 46: ...ng the case bottom To replace the battery Turn the Meter of f and remove all the connections from the input terminals Turn the Meter s front case down Remove the screw from the battery compartment and separate the battery compartment from the case bottom Take out the old battery and replace with a new 9V battery NEDA1604 6F22 or 006P Rejoin the case bottom and the battery compartment and reinstal ...

Страница 47: ...46 ...

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