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16

Measuring DC mA, AC mA, DC A, AC A Current

And Frequency

Note

– Use the diode test to check the semiconductor junction

is good or bad. The Meter sends a current through the

semiconductor junction to measures the voltage drop across

the junction. A good junction drops between 0.4 V to 0.9 V.

Never attempt an in–circuit measurement where The

open–circuit potential to earth potential is great than

500V, or example a 3-phase system measurement, you

may damage the Meter or to be injured.



Warning

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Содержание IDM 103N

Страница 1: ...Instruction Manual IDM 103N 105N 106N Digital Multimeter EN FR IT ...

Страница 2: ...1 ISO TECH IDM 103N 105N 106N DIGITAL MULTIMETER INSTRUCTION MANUAL ...

Страница 3: ...es disposable batteries or damage from abuse neglect accident unauthorized repair alteration contamina tion or abnormal conditions of operation or handling Any implied warranties arising out of the sale of this product including but not limited to implied warranties of merchantabil ity and fitness for a particular purpose are limited to the above RS Components shall not be liable for loss of use o...

Страница 4: ...ng DC AC mA and AC DC A Current and Frequency Measuring Hz PRM Measuring Capacitance Measuring Temperature Features Features Description Features Available vs Functions Using The Features Manual Ranging and Auto Ranging Min Max Recording Mode REL Display Hold Backlight Auto Power Off Battery Saver Disable Auto Power Off Maintenance Cleaning and Storage Fuse Replacement Battery Replacement Trouble ...

Страница 5: ...E the Meter or the equip ment under test Warnings Warnings and Cautions When using test leads or probes keep your fingers be hind the finger guards Remove test lead from Meter before opening the battery door or Meter case Warning Alert Symbol A Warning Statement identifies hazardous conditions and actions that could cause BODILY HARM or DEATH ...

Страница 6: ...rement when the open voltage is above the fuse protection rating Suspected open circuit voltage can be checked with voltage fun ction Only replace the blown fuse with the proper rating as specified in this manual Use caution with voltages above 30 Vac rms 42 Vac peak or 60 Vdc These voltages pose a shock hazard To avoid false readings that can lead to electric shock and injury replace battery as s...

Страница 7: ...the meter in mA function to measure the voltage of a power supply circuit in equipment that could result in damage the meter and the equipment under test Symbols as Marked on The Meter AC Alternating Current DC Direct Current Caution Risk of Electric shock To alert you to the presence of a potentially hazardous voltage Caution Risk of Danger Refer to Warnings and Cautions in the manual Double Insu...

Страница 8: ...TEGORY Ⅰ is equipment for connection to circuits in which measures are taken to limit the transient overvoltage to an appropriate low level Note examples include protected electronic circuits OVERVOLTAGE CATEGORY Ⅱ Equipment of OVERVOLTAGE CATEGORY Ⅱ is energy consuming equipment to be supplied from this fixed installation OVERVOLTAGE CATEGORY Ⅲ Equipment of OVERVOLTAGE CATEGORY Ⅲ is equipment in ...

Страница 9: ...owever a temporary conductivity caused by condensation must be expected POLLUTION DEGREE 3 Conductive POLLUTION occurs or dry non conductive POLLUTION occurs which becomes conductive due to con densation which is expected NOTE In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlle...

Страница 10: ... 1 Indoor Use 2 Altitude up to 2000 Meter 3 Operating Temperature and Relative Humidity Non condensing 10 C 11 C 30 C 80 R H 31 C 40 C 75 R H 41 C 50 C 45 R H 4 Storage Temperature and Relative Humidity 20 C 60 C 0 80 R H when battery removed from Meter 5 Pollution degree 2 6 Installation category The standard 100 series models meet the requirements for double insulation to IEC 61010 2001 EN61010 ...

Страница 11: ... Panel Illustration 1 4000 counts LCD display 2 Push buttons for features 3 Rotary switch to turn the Power On or Off and to select a function 4 Input Terminal for A current function 5 Input Terminal for all functions EXCEPT current A functions 6 Common Ground reference Input Terminal for all functions ...

Страница 12: ...o make basic measurements TEST EQUIPMENT RISK ASSESSMENT UK RECOMMEN DATION Users of this equipment and or their employers are reminded that Health and Safety Legislation require them to carry out valid risk assessments of all electrical work so as to identify potential sources of electrical danger and risk of electrical injury such as from inadvertent short circuits Where the assessments show tha...

Страница 13: ...12 Measuring AC DC Voltage And Frequency ...

Страница 14: ...cause a 10 measuring error The error percentage of the loading effect of the Meter is expressed as following Zcircuit Zcircuit 10MΩ 100 x The non zero display reading is normal when the meter test leads are open which will not affect actural measurement accuracy The Meter will show zero or close to reading when the test leads are shorted In reading AC voltage or current reading settling time incre...

Страница 15: ...er provides a open voltage 1 5V to the circuit under test that cause the diode transistor junction to conduct so it is batter to disconnect the resistance from the circuit to get a correct measurement The resistance of test leads is about 0 1Ω 0 2Ω To test the leads resistance touch the probe tips together For accuracy measurement in low resistance use the relative features to zero the test leads ...

Страница 16: ...15 Testing for Diode and Continuity Diode Continuity Good Good Bad Caution For in circuit test turns circuit power off and Discharge the high voltage capacitors through an appropriate resistance load ...

Страница 17: ...ends a current through the semiconductor junction to measures the voltage drop across the junction A good junction drops between 0 4 V to 0 9 V Never attempt an in circuit measurement where The open circuit potential to earth potential is great than 500V or example a 3 phase system measurement you may damage the Meter or to be injured Warning ...

Страница 18: ...als When measuring current the Meter acts like a impedance such as 5Ω at AC DC mA 0 005Ω at DC AC A in series with the circuit This loading effect of the Meter can cause measurement errors loading effect error especially in low impedance circuits For example To measure a 5Ω impedance circuit at DC AC mA range will cause a 50 measuring error The error per centage of the loading effect of the Meter ...

Страница 19: ...onnect the red test lead to the VΩHz terminal and the other black test lead to the COM terminal Set the rotary function selector to Hz RPM position to meas ure the frequency or RPM with the blue switch Connect the test leads to the circuit to be measured ...

Страница 20: ...oltage capacitors before measuring capacitance Use the DC voltage function to confirm that the capacitor discharged Note To improve the measurement accuracy of small value capacitor memory the reading with the test leads open than substracts the residual capacitance of the Meter and leads from measurement CUNKNOWN CMEASUREMENT CRESIDUAL Caution ...

Страница 21: ...20 Measuring Temperature Model 106 only Caution Do not Connect senor K Type C115 Bead probe to live Circuits Sensor K Type C115 Sensor K Type C115 Vent Or Pipe ...

Страница 22: ...RANGE switch in HZ mode does not change the frequency range However RANGE switch changes the sensitivity of frequency detection If the input signal has a small amplitude the user shall increase the sensitivity Range To select the manual ranging mode The default mode is Automatic Range RS232 An optical isolated interface output for data com muncation Backligh LCD display backlight APO Auto Power Of...

Страница 23: ...O O O O O O Hz O X X O O X X X X PEAK O X X O O X X X X RANGE O X O O O O O O X Blue Key O O O O O O O O X MIN Max O O O O O O O O O REL O O O O O O O O O HOLD O O O O O O O O O Features Available vs Functions Using The Features Manual Ranging and Auto Ranging ...

Страница 24: ...al ranging and to change ranges When the Range button is pressed once the RANGE indicator turns off Press Range button to select the appropriate range for measurement you want to make Press Range button and hold for 1 seconds to return to autorange Using The Features ...

Страница 25: ...ure is unavailable when display Hold is active Display Hold Note Press HOLD button in MIN MAX mode makes the Meter stop updating the maximum and minimum value When display Hold mode is nested in MIN MAX mode to release MIN MAX mode is needed to release display hold first REL Using The Features ...

Страница 26: ...y turns the power off When this happens the LCD displaying state of the Meter is saved the Meter can be turns back on by pushing any buttons the LCD display the saved state when auto power off itself pushing Hold button to disable the hold state Any button press or rotary change reset the time of Auto Power OFF Auto Power Off Battery Saver Using The Features ...

Страница 27: ...alified personal Failure to observe this precaution can result in injury and can damage the meter Caution Cleaning and storage Periodically wipe the housing with a damp cloth and mild detegent Dirt or moisture in the terminals can effect readings If the Meter doesn t be used for long period more than 60 days remove the battery and store it separately Maintenance ...

Страница 28: ...ating 1A 600V Fast Fuse rating 15A 600V Fast Caution Replace the battery as soon as the low battery indicator appears to avoid false reading 103N 105 Battery 1 5V x 2 106 Battery 9V Fuse Replacement Refer to Figure xx to replace fuse Battery Replacement Refer to Figure xx to replace the battery ...

Страница 29: ...information Basicc Trouble Shooting If the Meter fails fist check the battery the loose of battery and battery snap fuse test leads replace as necessary Review this manual to make sure that you are operating the Meter correctly Testing the Fuse and Test Leads Testing the current fuse and test leads as shown below Testing the Fuse Testing the Test Leads ...

Страница 30: ...Power Off Approx 30 minutes Operating Ambient Non condensing 10 C 11 C 30 C 80 R H 31 C 40 C 75 R H 41 C 50 C 45 R H Storage Temperature 20ºC to 60ºC 0 to 80 R H when battery removed from Meter Temperature Coefficient 0 15 x Spec Acc y ºC 18ºC or 28ºC Power Requirements Alkaline 1 5V x 2 batteries for 103N 105N Alkaline 9V battery for 106 Battery Life Alkaline 500 hours for 103N 105N Alkaline 300 ...

Страница 31: ...olts Range Accuracy 103N 105N 106 400 0mV 0 3 2dgt 0 3 2dgt 4 000V 0 4 2dgt 0 1 2dgt 40 00V 400 0V 1000V 0 25 2dgt 2 AC Volts Range Accuracy 103N 105N 106 400 0mV 2 0 8dgt 2 0 8dgt 4 000V 1 3 5dgt 1 5 5dgt 40Hz to 60Hz 1 0 5dgt 61Hz to 1KHz 40 00V 400 0V 750V 1 5 5dgt 40Hz to 60Hz 1 3 5dgt 61Hz to 1KHz ...

Страница 32: ...ue rms responding calibrated to the rms value sine wave input The specified accuracy is for since wave at full scale and non sine wave at half scale below 500Hz with crest factor up to 2 AC conversions are average sensing calibrated to the rms value sine wave input Frequency Response 50Hz 60Hz Frequency Response 40Hz 300Hz Frequency Response 40Hz 500Hz for 4V range 3 DC Current Range Accuracy 103N...

Страница 33: ...upled true rms responding calibrated to the rms value sine wave input The specified accuracy is for since wave at full scale and non sine wave at half scale below 500Hz with crest factor up to 2 AC conversions are average sensing calibrated to the rms value sine wave input Overload Protection 1A 600V IR 10KA fuse Bussmann BBS 1 or equivalent for mA input Size 10 3mm x 34 9mm 15A 600V IR 100KA fuse...

Страница 34: ...00KΩ 400 0KΩ 4 000MΩ 0 7 3dgt 0 6 3dgt 40 00MΩ 1 5 5dgt 1 5 5dgt 0 4 2dgt 6 Diode Check and Continuity Range Resolution Accuracy 1 mV 1 5 5 dgt For 0 4V 0 8V Max Test Current 1 5mA Max Open Circuit Voltage 3V Overload Protection 600V rms Continuity The internal sounder operates when resistance is less than 30Ωapproximately ...

Страница 35: ...0Hz 1 5V rms 20Hz 40 00KHz 400 0KRPM 400 0KHz 4 000KRPM 4 000MHz 40 00MRPM 300mV rms 400 0MHz 4 000MRPM Frequency 0 01 1dgt RPM 0 01 10dgt 40 00MHz 400 0MRPM 1V rms 7 Frequency RPM 8 Capacitance Range Accuracy Overload Protection 4 000nF 3 0 10 dgt 600V rms 40 00nF 2 0 8 dgt 400 0nF 4 000µF 40 00µF 400 0µF 4 000mF 40 00mF 5 0 20 dgt ...

Страница 36: ...C 101 C 500 C 2 3 C 501 C 800 C 3 2 C 600V rms 10 Temperature F for 106 only Temperature Accuracy Overload Protection 4 F 32 F 2 8 F 33 F 212 F 1 6 F 213 F 932 F 2 6 F 933 F 1472 F 3 4 F 600V rms In these two ranges the reading maybe rolling within speci fication specify reading half of full scale range ...

Страница 37: ...nspecified 4V 1 5 300dgt 2 40V 1 5 60dgt 400V 750V DCA ACA 40mA 3 400mA 3 10A 3 1 5 60dgt 3 0 60dgt Note 1 With zero calibrated before measurement 2 4V range specifies readings above 10 of full scale of range 3 Amp ranges specify reading 90 of full scale of range 4 In the noise generating field may affect intervals ...

Страница 38: ...United Kingdom Japan West Tower 12th Floor Yokohama Business Park 134 Godocho Hodogaya Yokohama Kanagawa 240 0005 Japan USA 7410 Pebble Drive Fort Worth Texas 76118 6961 Canada 1701 Woodward Drive Ste 108 Ottawa Ontario K2C 0R4 Canada South America Av Pdte Eduardo Frei M 6001 71 Centro Empresas El Cortijo Conchali Santiago Chile ...

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