Victor 81B User Manual
Contents
1. CAUTION DO NOT INPUT VOLTAGE AT THIS RANGE t Instrument Maintenance Instrument is a high accuracy instrument please don t modify the circuit 1 Keep the instrument away from water dust and shock 2 Do not store and operate the meter under the condition of high temperature high humidity combustible explosive and strong magnetic place 3 Wipe the case with a damp cloth and detergent do not use abrasives and alcohol 4 If do not operate for a long time should take out the battery to avoid leakage o p 5 When P symbol displays should replace the battery following the steps 5 1 Unlock the screw and remove the battery case 5 2 Take out the old battery and replace the new one It s better to use alkaline battery for longer life 5 3 Fit on the battery case and lock the screw Note 1 Don t input the voltage value higher than DC 1000V or AC Peak Value 15 2 Don t measuring the voltage at current resistance diode and continuity range 3 Don t use the instrument when the battery isn t installed or the back case isn t firm 4 When replacing battery or fuse please take away the test leads from the measured point and power off at first J Fault Elimination If the instrument does not work properly check the instrument as following Fault Solution P e Turn on power No Display e Replace battery E symbol e Replace battery appearance Big2. is open circuit it will display OL 4 When measuring in line resistor be sure that the power is off and all capacitors are released completely 12 Accuracy VICTOR81 VICTOR81 Resolutio Range A B n 200Q 0 8 5d 0 10 2kQ 10 20kQ 0 8 4d 10Q 200kQ 100Q 2MQ 1kQ 20MQ 1 2 10d 10kQ Open Voltage circuit Less than 200mV Overload Protection 250V DC or AC Peak Value Note When measuring at Range 200Q please short circuit the test leads at first to test the wire resistance and then deduct it from the actual resistance 2 3 6 Diode and Continuity Test 1 Insert the black test lead to COM terminal and the red test lead to ae terminal the polarity of red lead is 2 Turn the knob to gt range press SELECT button to select the Diode measurement mode 3 Forward Measurement connect test leads with the diode under tested the red test lead connect to diode positive polarity the black test lead to diode cathode polarity the reading is the approx value of diode forward volt drop 4 Backward Measurement the red test connect to diode positive polarity the black test lead to diode cathode polarity the LCD displays OL 5 The complete diode testing includes forward and backward measurement if the result isn t meet the above it means the diode is bad 13 6 Press SELECT button to select the Continuity measureme
3. no any signal at the input terminal 6 When measuring electricity do not connect the body with the ground directly and do not touch the possible exposed metallic terminal 2 output socket or lead clamp with ground potential Usually use the dry cloth rubber overshoes rubber cushion and other insulated materials to keep the body isolated with the ground Do not store and use the instrument in high humility high temperature combustible explosive and strong magnetic places It is possible to damage the instrument and endanger the safety of the users when measuring the voltage over the limit The allowed maximum voltage is printed on the front panel of the instrument do not measure the value over the standard safety voltage do not input the range limit specified to void the electric shock and instrument damage Do not measure any voltage when connecting the test leads with the current terminal to avoid damaging the instrument and endangering the safety of the users Do not try to calibrate or repair the instrument should operate it by the specially trained or qualified professional people The function range selection knob should be set in the correct range when measuring When switching the function range selection knob keep the test leads off the tested object to make sure there is no any signal at the input terminal Do not switch the function range selection knob when measuring When LCD displays please replace the bat
4. than 600V Otherwise there is the danger to damage the instrument 3 When measuring the high voltage caution to avoid the body touches the high voltage Accuracy Range VICTOR81A VICTOR81B Resolution 200mV 1 5 20d 100uV 2V lmV 20V 0 8 6d 10mV 200V 100mV 600V 1 0 6d 1V Input Impedance gt 10MQ at Range 200mV 40MQ at other ranges Overload Protection 600V DC or 600V AC Peak Value Frequency Response 50 200 Hz Display Average value response RMS of sine wave 2 3 3 DCA 1 Insert the black test lead to the COM input terminal and red test lead to on input terminal max 200 mV or 10A input terminal max 10A 2 Turn the knob switch to Current Range press SELECT button to switch to DCA measurement mode Connect the test leads to the tested point in series the current value and polarity of point connected by red lead will be displayed on LCD simultaneously 3 Press RANGE button to select auto or manual range mode 9 Note j Firstly users should select the auto range mode if users had no idea about the range of tested current and then select the proper range based on displaying value N If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select the higher range to complete the measurement wo Max input value is 200mA or 10A Depending on the terminal th
5. the manufactory at once e Digital Multimeter PC e Operation Manual PC e Test Leads SET e Temperature Probe K Type Thermocouple Only VICTOR81B PC e AAA 1 5V 7 Battery 2PCS e Holster PC Safety Note The instrument is designed according to IEC1010 standard safety standard issued by International Electro technical Committee Please read the following before operation l Caution to avoid the electric shock when measuring voltage higher than 36V DC 25AC current higher than 10mA AC power line with inductance load and AC power line during the power fluctuation 2 Before measuring should check if the function knob is set in the correct range and make sure the test leads connect reliably link up correctly and insulate properly to avoid the electric shock 3 It meets the requirements of the safety standard only to use the instrument with the equipped test leads If the test leads are broken should replace them by the same type and same electric specification test leads 4 Do not replace the inside fuse by the unconfirmed one Only replace it by the same type and specification fuse Before replacement should keep the test leads off the tested point to make sure there is no any signal at the input terminal 5 Do not replace the inside batteries by the unconfirmed one Only replace them by the same type and specification batteries Before replacement should keep the test leads off the tested point to make sure there is
6. 5 Input Terminals 5 1 Current Voltage Diode Resistance Buzzer 699 Temperature Input terminal 5 2 10A input terminal 5 3 Voltage Diode Resistance Buzzer Temperature and Current less than 200mA input terminal F Other Functions Stop working for 15 seconds during measurement the instrument will be auto power off sleeping mode to save the power in the auto power offer mode press any function button or change the knob switch the instrument will get into the auto power on mode working mode the auto power offer mode will be cancelled by pressing the HOLD button to turn on the instrument WN Property 1 General Property 1 1 Display LCD 1 2 Max Display 1999 3 1 2 counts automatic polarity display and unit display 1 3 Measuring Method Dual integral A D converter 1 4 Sampling Rage Approx 3 times sec 1 5 Over range Indication Display OL 1 6 Low Battery Indication EB symbol appearance 1 7 Operation Environment 0 40 C Relative Humidity lt 80 1 8 Storage Environment 0 50 C Relative Humidity lt 80 1 9 Power 2pcs 1 5V batteries AAA 7 battery 1 10 Dimens ion size 145x74x36mm 1 11 Weight Approx 185g Including 2pcs 1 5Vbatteries 1 12 Accessories 1pc operation manual Holster 1pc gift box 1 set 10A lest leads 1pc K Type Temperature Probe TPO on
7. VICTOR 81A 81B Digital Multimeter Operation Manual Gemeral cccccrccscccecceccccccccccsccceccecceccscscesccees Open Package Inspection cceccscceccscccecceees 1 Safety Note ccccccccsscscscccscscescsccccssscsccscscssseee a DU Front Panel amp Button Function Description 4 FL Other FUNCtions ccecscsesseccscecscescceecsscscecsened FPLOPCLEY si cesvscaceceeccvscseveesseseesenscacceedvedesssveesee t Instrument Maintenance scesccssesscsscessvess 15 J Fault Elimination cccccsscccssscscscscscsccsscsces 16 General VICTOR 81A B is a steady performance high security 3 1 2 digital multimeter It uses LCD with 18 9mm high figure to make the reading clear The digital multimeter has the function of measuring ACV DCV ACA DCA Resistance Celsius amp Fahrenheit Temperature Diode Continuity The instrument also has the features of Unit Symbol Display Auto Manual Range Selection Auto Power Offer and Alarm Function It adopts the directly driven 8 digits microprocessor and dual integral A D converter which provide the high resolution high accuracy displaying driver Because of its outstanding functions the instrument is an excellent tool and most suitable for lab factory maintenance and repair users Open Package Inspection Open the gift box and take out the instrument carefully check the following accessories If any accessory is missed or damaged please contact
8. ange to complete the measurement 2 Do not measure the voltage higher than 600V Otherwise there is the danger to damage the instrument 3 When measuring the high voltage caution to avoid the body touches the high voltage Accuracy Range VICTOR81A VICTOR81B Resolution 200mV 100uV 2V ImV 20V 0 5 4d 10mV 200V 100mA 600V 1 0 4d 1V Input Impedance gt 10MQ at Range 200mV 40MQ at other Ranges Overload Protection 600V AC or 600V AC Peak Value 2 3 2 ACV 1 Insert the red and black test leads separately to oy and COM input terminals 2 Turn the knob switch to MV Range press SELECT button to switch to ACV measurement mode 3 This range is 200mV The reading to measure the voltage less than 200mV is much accurate and stable than the reading measured in the Range V 4 Turn the knob switch to V Range 5 Auto range mode is the original states it displays AUTO symbol Press RANGE button to switch to Manual range mode can select 200mV 2V 20V 200V 600V Range 6 Connect the test leads to the tested point the voltage and polarity of point connected by red lead will be displayed on LCD Note 1 At the Manual Range mode if OL is displayed on LCD it indicates the 8 tested voltage value has exceeded the present range limit please select the higher range to complete the measurement 2 Do not measure the voltage higher
9. ceeding the range limit the fuse will be melt even damage the instrument k Accuracy VICTOR81A VICTORSIB Resolution ange 200uA 0 1uA 2000uA luA 0 4 ane 1 5 10d A 200mA 100uA 10A 2 5 t15d IOMA Max measurement voltage drop Full Range mA is 1 2V Ais 100mV Max input current 10A less than 15 seconds Overload Protection 0 2A 250V restorable fuse 10A 250V fuse 11 Frequency Response 10A Range 50 200 Hz 2 3 5 Resistance Q 1 Insert the red and black test leads separately to and COM input terminals 2 Turn the knob switch to Q Range connect the test leads cross with the tested resistor 3 Press RANGE button to select auto or manual range mode 4 When measuring the min resistance please short circuit the test leads at first to test the wire resistance and then deduct it from the actual resistance Note Firstly users should select the auto range mode if users had no idea about the range of tested current and then select the proper range based on displaying value N If OL is displayed on LCD it indicates the tested resistance value has exceeded the present range limit please select the higher range to complete the measurement When measuring the Resistor higher than IMO the instrument will take several seconds to make the reading stable it is normal when measuring the high resistor 3 When the input terminal
10. e red test lead is inserted The input value is exceeding the range limit the fuse will be melt even damage the instrument a ccuracy VICTOR81A VICTORSIB Resolution 200uA TA ad 1 0 10d as 20mA RES 10uA 200mA 100uA 10A 1 2 10d 10mA Max measurement voltage drop Full Range mA is 1 2V A is 100mV Max input current 10A dess than 15 seconds Overload Protection 0 2A 250V restorable fuse 10A 250V fuse 2 3 4 ACA i VOMA 1 Insert the black test lead to the COM input terminal and red test lead to gt input terminal max 200 mV or 10A input terminal max 10A 2 Turn the knob switch to Current Range press SELECT button to switch to 10 ACA measurement mode Connect the test leads to the tested point in series the current value and polarity of point connected by red lead will be displayed on LCD simultaneously 3 Press RANGE button to select auto or manual range mode Note Firstly users should select the auto range mode if users had no idea about the range of tested current and then select the proper range based on displaying value N If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select the higher range to complete the measurement w Max input value is 200mA or 10A Depending on the terminal the red test lead is inserted The input value is ex
11. error value e Replace battery The specifications are subject to change without notice The content of this manual is regarded as correct error or omits Pls contact with factory We hereby will not be responsible for the accident and damage caused by improper operation The function stated for this operation manual cannot be the reason of special usage 16
12. ly VICTOR81B and 2pcs 1 5 batteries 2 Technical Property 2 1 Accuracy xreading digits at 234 5 C relative humidity lt 75 One year calibration guarantee since the time dispatched from the factory o 2 2 Performance note A indicates the instrument has the function Model VICTOR8IA VICTORS8IB Function DCV A A ACV A A DCA A A ACA A A Q A A Diode Continuity A A Celsius Fahrenheit C F A 662995 2 3 Technic Specification note indicates the instrument does not have the range 2 3 1 DCV VOMA 1 Insert the red and black test leads separately to and COM input terminals 2 Turn the knob switch to V Range press SELECT button to switch to DCV measurement mode 3 This range is 200mV The reading to measure the voltage less than 200mV is much accurate and stable than the reading measured in the Range V 4 Turn the knob switch to V Range 5 Auto range mode is the original states it displays AUTO symbol Press RANGE button to switch to Manual range mode can select 200mV 2V 20V 200V 600V Range 6 Connect the test leads to the tested point the voltage and polarity of point connected by red lead will be displayed on LCD Note 1 At the Manual Range mode if OL is displayed on LCD it indicates the tested voltage value has exceeded the present range limit please select the higher r
13. nt mode 7 Insert test leads to two points of tested circuit if the inner buzzer sounds the resistance is less than 50Q Range Display Test Condition gt Forward Voltage Drop of Diode Forward DC Current is Approx 0 5mA Backward Voltage is Approx 1 5V Buzzer makes a long sound while resistance is less than 50Q Open circuit voltage is Approx 0 5V Overload Protection 250V DC or AC Peak Value CAUTION DO NOT INPUT VOLTAGE AT THIS RANGE 2 3 7 Celsius Fahrenheit C F Only VICTOR81B 1 Switch the knob to C F range press SELECT button to switch to C and F measurement mode N Insert the cathode black pin of cold end free end of thermocouple into COM jack anode red pin into a terminal put the working end temperature measurement end of thermocouple on the surface or inside the object to be tested Then you can read temperature from the screen and the data is in Centigrade Note 1 When the input terminal open circuit it will display the normal temperature 2 Don t change the temperature probe optionally or the value accuracy isn t guarantee 3 Don t input voltage at temperature range 14 Accura Couraey Accuracy Resolution lt 400 C 1 0 5d gt 400 C4 1 5 15d O 1832 F 1 5 15d 1F Sensor K Type Thermocouple banana plug Range 20 1000 C 1 C
14. teries in time to make sure the measuring accuracy Do not allow to measure the voltage when connecting the test leads with the current terminal 14 Do not try to modify the inner circuit at will to avoid damaging the instrument and endangering the safety of the users 15 Safety Symbol Description A Warning alae DCA ZA High Voltage aw ACA Dangerous GND DCA amp ACA ol Dual C Meets the direction Insulation of European IEC E Low Battery D Fuse W Front Panel amp Button Function Description 1 Instrument Model Number 2 LCD Display Display the measured data and unit 3 Function Button 3 1 MAX Max Value Hold Press the button the reading is renewed and the max value is held on LCD 3 2 SELECT Function Switch Press the button DC AC mode H C F performance switch 3 3 HOLD Data Hold Press the button the reading is locked press the button again the lock is cleared 3 4 RANGE Auto Manual Range Switch Auto Range is the original states press the button to switch to the Manual Range At the Manual 4 Range mode press the button once the range is switched to the higher one press the button again to switch the range to the lowest one when measuring the highest range the cycle is in proper order from low to high Keep pressing the button for 2 sec return to Auto Range mode 4 Knob Switch Change the measuring function and range
Download Pdf Manuals
Related Search