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TM-86

EN - 9

minutes after last selector rotation or function
selection.

3. PREPARATION FOR USE

3.1. INITIAL

This instrument was checked both mechanically and
electrically prior to shipment. All possible cares and
precautions were taken to let you receive the
instrument in perfect conditions. Notwithstanding we
suggest you to check it rapidly (eventual damages
may have occurred during transport – if so please
contact the local distributor from whom you bought
the item).
Make sure that all standard accessories mentioned in
paragraph are included. Should you have to return
back the instrument for any reason please follow the
instructions mentioned in paragraph 7.

3.2. SUPPLY VOLTAGE

The instrument is supplied by 2x1.5V batteries type
IEC AAA LR03. When batteries are low, a low battery
indication is displayed. To replace/insert batteries
please refer to paragraph 5.2.

Содержание TM-86

Страница 1: ...Autoranging Multimeter User s manual TENMARS ELECTRONICS CO LTD HB2TM8600000 TM 86 ...

Страница 2: ... INSTRUCTIONS 11 4 1 Instrument description 11 4 1 1 Front panel 11 4 2 Description of function keys 12 4 2 1 HOLD key 12 4 2 2 R RANGE key 12 4 2 3 REL key 12 4 2 4 SEL key 12 4 2 5 Backlight key 13 4 2 6 Auto power off 13 4 3 Measurements 13 4 3 1 DC Voltage measurement 13 4 3 2 AC Voltage measurement 15 4 3 3 DC Current measurement 16 4 3 4 AC Current measurement 17 4 3 5 Resistance measurement...

Страница 3: ...atteries replacement 27 5 3 Fuse replacement 29 5 4 Cleaning 30 5 5 End of life 30 6 TECHNICAL SPECIFICATIONS 30 6 1 Technical features 30 6 1 1 Safety 35 6 1 2 General data 35 6 2 Environment 35 6 2 1 Environmental conditions 35 6 2 2 EMC 36 6 3 Accessories 36 7 SERVICE 36 7 1 Warranty conditions 36 7 2 After sale service 38 ...

Страница 4: ...s indicated in paragraph 6 2 1 Avoid doing that in rooms where explosive gas combustible gas steam or excessive dust is present Keep you insulated from the object under test Do not touch exposed metal parts such as test lead ends sockets fixing objects circuits etc Avoid doing that if you notice anomalous conditions such as breakages deformations fractures leakages of battery liquid blind display ...

Страница 5: ... voltage CAT III 1000V and CAT IV 600V This instrument is not suitable for measurements of non sine wave voltage and current When using the instrument always respect the usual safety regulations aimed at protecting you against the dangerous electric currents and protecting the instrument against incorrect operations Only the leads supplied with the instrument guarantee compliance with the safety s...

Страница 6: ...e that LCD and rotary selector indicate the same function 1 2 DURING USE CAUTION An improper use may damage the instrument and or its components or injure the operator When changing the range first disconnect the test leads from the circuit under test in order to avoid any accident When the instrument is connected to measuring circuits never touch any unused terminal When measuring resistors do no...

Страница 7: ...nts for electrical equipment for measurement control and laboratory use Part 1 General requirements gives a definition of measuring category usually called over voltage category Paragraph 6 7 4 Measuring circuits OMISSIS Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of the low voltage installation Examples are ele...

Страница 8: ...ation Measurement category II is for measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment Measurement category I is for measurements performed on circuits not directly connected to MAINS Examples are measurements on circuits not derived from MAINS and specially protected internal...

Страница 9: ...including OFF position In addition there are the HOLD key to hold the displayed value the R key for manual selection of measuring ranges the REL key for relative measurements and SEL key for selection between Frequency and Duty Cycle or for selection of DC and AC Current measurements The selected quantity is displayed with indication of measuring unit and active functions The instrument disposes o...

Страница 10: ...t rapidly eventual damages may have occurred during transport if so please contact the local distributor from whom you bought the item Make sure that all standard accessories mentioned in paragraph are included Should you have to return back the instrument for any reason please follow the instructions mentioned in paragraph 7 3 2 SUPPLY VOLTAGE The instrument is supplied by 2x1 5V batteries type I...

Страница 11: ...ed in this manual and such compliance is guaranteed for 1 year Annual recalibration is recommended 3 4 STORAGE After a period of storage under extreme environmental conditions exceeding the limits mentioned in paragraph 6 2 1 let the instrument resume normal measuring conditions before using it ...

Страница 12: ...GEND 1 LCD 2 HOLD Key 3 R Key 4 REL Key 5 SEL Key 6 Backlight Key 7 OFF position 8 DCV position 9 ACV position 10 Hz and Duty position 11 position 12 position 13 position 14 position 15 DCA and ACA position 16 OFF position 17 Input terminals COM A and V Hz Fig 1 Instrument description ...

Страница 13: ...cimal point on the display To exit this function keep R key pressed for at least 1 second or rotate the selector to another position 4 2 3 REL key By pressing REL the relative measure is activated The meter sets the display to zero and saves the actual value as reference The REL symbol is shown at display This function is not active on Hz Duty Cycle Continuity Test and Diode Test measurements Pres...

Страница 14: ... position of the rotary selector 4 2 6 Auto power off The instrument automatically turns off 15 minutes after the last pressure of keys or the last selector rotation To resume operation pressing HOLD key or turn the selector on OFF and turn on the instrument again 4 3 MEASUREMENTS 4 3 1 DC Voltage measurement CAUTION The maximum input for DC voltage is 600V Do not attempt to measure higher voltage...

Страница 15: ...ect the highest range 3 Insert the test leads into the jacks the red plug into jack and black plug into COM jack see Fig 2 4 Connect the red and black test leads to the positive and negative poles of the circuit under test respectively The voltage value is displayed 5 If the message O L is displayed select a higher range 6 The symbol on the instrument display indicates that voltage has opposite di...

Страница 16: ...is 600V Do not attempt to measure higher voltages to avoid electrical shocks or damages to the instrument Fig 3 Using the instrument for AC Voltage measurement 1 Selecting the position V 2 Pressing the R key to select the correct range or using the Auto range feature see paragraph 4 2 2 If the voltage value under test is unknown select the highest range ...

Страница 17: ...e value is displayed 5 If the message O L is displayed select a higher range 6 For HOLD function and Relative measure please refer to paragraph 4 2 4 3 3 DC Current measurement CAUTION The maximum input for DC current is 10A Do not attempt to measure higher currents to avoid electrical shocks or damages to the instrument Fig 4 Using the instrument for DC Current measurement ...

Страница 18: ... the polarities 5 Energize the circuit under test The current value will be displayed 6 The message O L means that the detected current exceeds the limits 7 The symbol on the instrument display indicates that voltage has opposite direction with regard to the connection 8 For HOLD function and Relative measure please refer to paragraph 4 2 4 3 4 AC Current measurement CAUTION The maximum input for ...

Страница 19: ...t leads into the jacks the red plug into A jack and black plug into COM jack see Fig 5 5 Connect the red and the black plugs in series with the circuit whose current is to be measured respecting the polarities 6 Energize the circuit under test The current value will be displayed 7 The message O L means that the detected current exceeds the limits 8 For HOLD function and Relative measure please ref...

Страница 20: ...l capacitors Fig 6 Using the instrument for Resistance measurement 1 Selecting the position 2 Pressing the R key to select the correct range or using the Auto range feature see paragraph 4 2 2 If the resistance value under test is unknown select the highest range 3 Insert the test leads into the jack the red plug into jack and black plug into COM jack see Fig 6 ...

Страница 21: ... is displayed a higher range must be selected 6 For HOLD function and Relative measure please refer to paragraph 4 2 4 3 6 Continuity test CAUTION Before taking resistance measurements on the circuit remove power from the circuit being tested and discharge all capacitors Fig 7 Using the instrument for Continuity test ...

Страница 22: ...he instrument emits a sound signal if the resistance value results to be lower than 140Ω 5 The message O L on the display indicates that the resistance value is higher than 400 CAUTION The displayed value is just indicative and does not correspond to the resistance value 4 3 7 Diode test CAUTION Before taking resistance measurements on the circuit remove power from the circuit being tested and dis...

Страница 23: ...nto COM jack 3 Connect the test leads to the diode under test observing the proper polarities see Fig 8 4 The threshold voltage value of direct polarization is shown at display 5 If the threshold voltage value is 0V the diode P N junction is shorted circuit 6 If the message O L is displayed the diode terminals are reversed the diode P N junction is damaged ...

Страница 24: ...ument for frequency measurement 1 Selecting the position Hz DUTY The symbol Hz is shown at display 2 Insert the test leads into the jacks the red plug into jack and black plug into COM jack see Fig 9 3 Connect the test leads to the circuit under test the frequency value will be displayed 4 If the message O L is displayed the maximum readable value is reached 5 For HOLD function please refer to par...

Страница 25: ...g 10 Using the instrument for Duty Cycle measurement 1 Selecting the position Hz DUTY and pressing SEL key The symbol is shown at display to meaning the measure in percentage terms of a Duty Cycle of a input signal as ratio between the during of high level and the period of the same signal 2 Insert the test leads into the jacks the red plug into jack and black plug into COM jack see Fig 10 ...

Страница 26: ...ents in circuit remove power from the circuit being tested and discharge all capacitors Use the short test lead pair for measurement to reduce the stray capacitance Before connecting the test capacitor observe the display which may have a reading other than zero every time the range is changed Subtract this offset reading from the displayed reading of the test result of a capacitor to obtain the t...

Страница 27: ...into jack and black plug into COM jack see Fig 11 3 Connect the red and black test clamps to the capacitor terminals respecting if necessary the proper polarities The capacitance value is shown on display 4 If the message O L is displayed the maximum readable value is reached 5 For HOLD function and Relative measure please refer to paragraph 4 2 ...

Страница 28: ...ent for a long period remove batteries to avoid leakages of battery liquid which could damage its inner components 5 2 BATTERIES REPLACEMENT When the low battery indication see paragraph 6 1 2 is shown the batteries are to be replaced CAUTION Only skilled technicians can open the instrument and replace batteries Before removing batteries disconnect the test leads from the input terminals to avoid ...

Страница 29: ...emove all batteries replacing them with new ones of the same type refer to paragraph 6 1 2 respecting the polarity signs 5 Replace the back case and screws 6 Use the appropriate battery disposal methods for your area ...

Страница 30: ...Turn OFF the meter and disconnect the test leads from the input terminals 2 Unscrew the four fixing screws of the back holster and remove it 3 Remove the defective fuse and install a new fuse of the same size and rating fast 10A 600V Busman type Make sure the new fuse is centered in the fuse holder Re screw the back holster Fig 12 Fuse replacement ...

Страница 31: ...te collection and correct disposal 6 TECHNICAL SPECIFICATIONS 6 1 TECHNICAL FEATURES The accuracy is indicated as of reading number of digits It is referred to the following environmental conditions temperature 23 C 5 C relative humidity 75 DC Voltage Range Resolu tion Accuracy Input impedance Overload protection 400mV 0 1mV 0 8 rdg 3dgt 10M 600V DC AC rms 4V 0 001V 0 8 rdg 2dgt 40V 0 01V 400V 0 1...

Страница 32: ...Crms 4V 0 001V 1 0 r dg 3dgt 40V 0 01V 400V 0 1V 600V 1V 1 2 r dg 3dgt DC Current Range Resol ution Accuracy Voltage drop Overload protection 10A 0 01A 1 2 rdg 3dgt 200mV Fusibile 10A 600V Accuracy is guaranteed for current up to 6A continuous measurement 7A 3 minutes uninterrupted measurement up to 10A 2 minutes continuous measurement ...

Страница 33: ...s guaranteed for current up to 6A continuous measurement 7A 3 minutes uninterrupted measurement up to 10A 2 minutes continuous measurement Resistance Range Resol ution Accuracy Max Open Circuit Voltage Overload protection 400 0 1 1 0 rdg 8dgt circa 0 4V 600V DC AC rms 30sec 4k 0 001k 1 0 rdg 2dgt 40k 0 01k 400k 0 1k 4M 0 001 M 40M 0 01M 2 0 rdg 2dgt ...

Страница 34: ...sec Continuity test Feature Buzzer Test Current Max Open Circuit Voltage Overload protection 140 About 1mA About 0 5V 600V DC AC rms 30sec Frequency Autorange Range Resolu tion Accuracy Overload protection 99 99H z 0 01Hz 1 5 rdg 5dgt 600V DC AC rms 30sec 999 9H z 0 1Hz 9 999k Hz 1Hz 99 99k Hz 10Hz Note Never exceed voltage limits listed below ...

Страница 35: ...e limits for Frequency and Duty Cycle Working voltage Frequency VMIN 1 5Vp p 0 400Hz VMAX 400Vrms VMIN 1 5Vp p 400 900Hz VMAX 10Vp p VMIN 3 0Vp p 900Hz 100kHz VMAX 10Vp p Capacitance Autorange Range Resolut ion Accuracy Overload protection 5nF 0 001nF 5 0 rdg 25dgt 50nF 0 01nF 3 0 rdg 5dgt 600VDC ACrms 30sec 500nF 0 1nF 5 F 0 001 F 50 F 0 01 F 100 F 0 1 F 3 0s 5 0 rdg 10dgt ...

Страница 36: ... characteristics Dimensions 163 L x 88 W x 48 H mm Weight including batteries approx 280g Power supply Battery type 2 batteries 1 5V AAA MN2400 LR03 AM4 Indication of low batteries the symbol is displayed when batteries are low Battery life approx 170 hours Display Specifications 3 LCD with max Reading 3999 counts symbol and decimal point 6 2 ENVIRONMENT 6 2 1 Environmental conditions Reference te...

Страница 37: ...CESSORIES Test leads User s manual Batteries Carrying Case 7 SERVICE 7 1 WARRANTY CONDITIONS This instrument is guaranteed against material or production defects in accordance with our general sales conditions During the warranty period the manufacturer reserves the right to decide either to repair or replace the product Should you need for any reason to return back the instrument for repair or re...

Страница 38: ...se including adaptation to particular applications not provided in the instructions manual or improper combination with incompatible accessories or equipment Repairs made necessary by improper shipping material causing damages in transit Repairs made necessary by previous attempts for repair carried out by unskilled or unauthorized personnel Instruments for whatever reason modified by the customer...

Страница 39: ...t leads and replace them if necessary Make sure that your operating procedure corresponds to the one described in this manual Should you need for any reason to return back the instrument for repair or replacement take prior agreements with the local distributor from whom you bought it Do not forget to enclose a report describing the reasons for returning detected fault Use only original packaging ...

Страница 40: ...Light meter RF meter Hot wire Anemometer Co meter Anemometer Lan cable tester Co2 meter Solar power meter Radiation meter Clamp meter Multimeter Phase Rotation tester Digital Insulation tester Our products of high quality are selling well all over the world TENMARS ELECTRONICS CO LTD 6F 586 RUI GUANG ROAD NEIHU TAIPEI 114 TAIWAN E mail service tenmars com http www tenmars com ...

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