Victor 9801A User Manual
Contents
1. 1 Apply the black test lead to COM terminal and the red one to V Q Hz terminal 2 Set the knob to proper ACV range connect the test leads crossly to the circuit under tested NOTE 1 Ifthe voltage under tested is unknown beforehand set the knob to the highest range then select a proper range according to the displaying value 2 There is a remained value at small voltage range before measuring it is normal and have no effect on measurement If MSD displays 1 it means over range should set the knob to a higher range 3 Do not input voltage over 750Vrms or the circuit might be damaged 4 Be careful when measuring high volt circuit 4 4 DCA MEASUREMENT 1 Apply the black test lead to COM terminal and the red one to mA terminal max 200mA or red test lead to 20A terminal max 20A 2 Set the knob to proper DCA range connect the meter to the circuit under tested the current value and polarity of red test lead connect to will display on LCD NOTE 1 Ifthe current under tested is unknown beforehand set the knob to the highest range then select proper range according to the displaying value 2 If LCD displays 1 it means over range should set the knob to a higher range 3 Max input current is 200mA or 20A subject to where the rd test lead apply to too large current will blow the fuse Be careful at 20A because 20A is infused continuously measuring will make the circuit hea2. and collector to proper jack 4 9 DIODE AND CONTINUITY TEST 1 Apply the black test lead to COM terminal and the red one to V Q Hz terminal the polarity of red lead is 2 Set the knob to PF range connect test leads to the diode under tested the red test lead connects to diode positive polarity the reading is the approx value of diode forward volt drop Apply test leads to two points of tested circuit if the inner buzzer sounds the resistance is less than 70 20 Q 4 10 DATA HOLD Press down the key the present value is held on LCD press up the key and the function is cancelled 4 11 AUTO POWER OFF After stop working for 20410 minutes the meter will be into sleep mode Press POWER key twice to restart the power 4 12 BACKLIGHT INDICATION Press B L key to turn on the backlight will be auto off after 20 sec NOTE When turning on backlight the working current will be enlarged it will shorten the battery life and enlarge error on some functions 4 13 LIVE WIRE VERIFY 1 Remove black test lead from COM terminal insert red lead to V Q Hz terminal 2 Set the range knob to TEST range apply red lead to the circuit under tested 3 If LCD displays 1 and alarms with sound and light it means that the circuit under tested is live wire if LCD doesn t display 1 and doesn t alarm it means the circuit under tested is 0 wire NOTE 1 The function is
3. melt fused 20A range infused Frequency response 40 200Hz Displaying rms of sine wave mean value response 2 2 5 RESISTANCE Q RANGE ACCURACY RESOLUTION 2002 0 8 5 0 10 kQ 20kQ 10Q 0 8 3 100Q IkQ 5 rdg 10 30 100kQ 200MQ Open voltage less than 3V Overload protection 250V DC or AC peak value NOTE a At 200Q range it should make the test leads short to measure the wire resistance then subtracts from the real measurement b At 200 MQ range make the test leads short LCD displays 1 0MQ it s normal and has no effect on the accuracy and should be subtracted from real measurement 2 2 6 CAPACITANCE RANGE ACCURACY RESOLUTION 5 0 10 Overload protection 36V DC or AC peak value 2 2 7 DIODE AND CONTINUITY TEST RANGE DISPLAYING VALUE TEST CONDITION Forward DCA is approx Forward voltage drop ImA backward voltage is of diode approx 3V If the resistance is less than 70Q 20Q Open voltage is approx 3V buzzer sounds Overload protection 250V DC or AC peak value Warning do not input voltage at this range 2 2 8 TRANSISTOR hFE DATA TEST Basic current is approx hFE NPN or PNP 10uA Vce is approx 3V 2 2 9 Live wire identifying TEST DISPLAYING CONDITION AC standard live TEST 000 or 1 Sound light wire verify Overload protection 500V DC or AC peak value Warning for your safety please operate according to the safety rule 4
4. only for testing AC standard live wire AC 110V AC 380V 2 Must be operated under safety rules 5 MAINTANENCE Do not try to modify the circuit 1 Keep the meter 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 4 1 When signal displays should replace the battery following the steps 4 1 1 Unlock the button and remove the battery case 4 1 2 Take out the old battery and replace the new one It s better to use alkaline battery for longer life 4 1 3 Fit on the battery case and lock the button 4 2 Fuse replacement Use the same type fuse as specified If the meter does not work properly check the meter as following CONDITIONS WAY TO SOLVE The power is not turned on NO DISPLAYING HOLD key replace battery symbol displays replace battery NO CURRENT INPUT replace fuse BIG ERROR 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 User Manual cannot be the reason of sp
5. DIGITAL MULTIMETER OPERATION MANUAL 1 GENERAL The instrument is a stable and high performance digital multimeter driven by battery It uses the LCD with 42mm high make the reading is clearly And the function of 20sec back light and overload protection make operation is convenient The instrument has the function of measuring DCV ACV DCA ACA resistance capacitance and diode triode and continuity test The instrument takes dual integral A D converter as key point is an excellent tools 2 SAFETY NOTES This series meter meets the standard of IEC1010 Read it before operation 1 Do not input the limited voltage of 1000V DC or 750V AC RMS when measuring voltage 2 Voltage less than 36V is safety voltage When measuring voltage higher than 36V DC 25V AC check the connection insulation of test leads to avoid electric shock 3 When changing function and range test leads should be removed from testing point 4 Select correct function and range 5 When measuring current do not input current over 20A 6 Safety symbols Fon A A AN exists high voltage GND E dual insulation must refer to manual bow battery 3 SPECIFICATION 1 GENERAL 1 1 Displaying LCD displaying 1 2 Max indication 1999 3 1 2 auto polarity indication 1 3 Measuring method dual slope A D transfer 1 4 Sampling rate approx 3 times sec 1 5 Over range indication MSD displays 1 or 1 1 6 Low batter
6. OPERATION 4 1 PANEL DESCRIPTION 1 LCD display the measuring value and unit 2 1 POWER switch turn on off the power 2 2 B L key turn on off back light will be auto off after 2 sec 2 3 Transistor test jack 2 4 HOLD key press it the present value is held on LCD and symbol displays Press it again symbol disappears and the meter exists the hold mode 2 5 Live wire verify light 3 Range knob to select measuring function and range 4 VOLTAGE RESISTANCE AND FREQUENCY COM 5 GND ANODE SOCKET OF TEST ACCESSORY 6 LESS THAN 200mA CURRENT COM CATHODE SOCKET OF TEST ACCESSORY 7 20A CURRENT COM SEE THE FIG 4 2 DCV MEASUREMENT 1 Apply the black test lead to COM terminal and the red one to V Q Hz terminal 2 Set the knob to a proper DCV range connect the black test lead crossly to the circuit under tested the voltage and polarity of the point which the red lead connect to will display on LCD NOTE 1 Tf the voltage range is unknown beforehand set the knob to the highest range then select a proper range according to the displaying value 2 There is a remained value at small voltage range before measuring it is normal and have no effect on measurement If MSD displays 1 it means over range should set the knob to a higher range 3 Do not input a voltage over 1000V or the circuit might be damaged 4 Be careful when measuring high voltage circuit 4 3 ACV MEASUREMENT
7. ecial usage 9801 50
8. t and effect on the accuracy even damaged the meter 4 5 ACA MEASUREMENT 1 Apply the black test lead to COM terminal and the red one to mA terminal max 200mA or apply the red one to 20A terminal max 20A 2 Set the knob to proper ACA range connect the meter to the circuit under tested NOTE 1 If the current under tested is unknown beforehand set the knob to the highest range then select proper range according to the displaying value 2 If LCD displays 1 it means over range should set the knob to a higher range 3 Max input current is 200mA or 20A subject to where the red test lead apply to too large current will blow the fuse Be careful at 20A because 20A is infused continuously measuring will make the circuit heat and effect on the accuracy even damaged the meter 4 6 RESISTANCE MEASUREMENT lz Apply the black test lead to COM terminal and the red one to V Q Hz terminal 2 Set the knob to proper resistance range connect test leads crossly to the resistor under tested NOTE 1 If resistance is over selected range value 1 displays should set the knob to a higher range When measuring value is over 1MQ the reading will take a few seconds to be stable it s normal for high resistance measuring 2 When input terminal is in open circuit overload displays 3 When measuring in line resistor be sure that power is turned off and all capacitors are released comple
9. tely 4 Do not input any volt at this range NOTE a At 200Q range it should make the test leads short to measure the wire resistance then subtracts from the real measurement b At 200 MQ range make the test leads short LCD displays 1 0MQ it s normal and has no effect on the accuracy and should be subtracted from real measurement 4 7 CAPACITANCE MEASUREMENT 1 Set the knob to proper capacitance range and insert the test accessory to COM and mA terminal Be aware of that COM terminal corresponds to anode and connects with red test lead and mA terminal corresponds to cathode and connects with black test lead 2 Connect test leads to the two points of capacitor be ware of polarity if necessary NOTE 1 If the capacitance under tested is over the max value of selected range LCD displays 1 only thus should set the knob to a higher range 2 It s normal that there is a remained value on LCD before capacitance measurement and it has no effect on measuring 3 When measuring at large capacitance range if capacitor is broken or leakage LCD displays a value and it s unstable 4 Release the capacitor completely before measuring 4 8 TRANSISTOR hFE 1 Set the knob to hFE range Insert the test accessory to COM and mA terminal and the anode is corresponding to COM and cathode is corresponding to mA terminal 2 Verify the transistor under tested is NPN or PNP insert emitter base
10. y indication symbol displays 1 7 Operation 0 40 C relative humidity lt 80 1 8 Power one 9V battery NEDA1604 6F22 or equivalent 1 9 Meas 190x93 5x37 mm 1 10 Weight approx 426g including battery 1 11 Accessories test leads instruction manual holster gift box and battery 1 12 Test accessories alligator triode test accessory 2 TECHNICAL DATA 2 1 Accuracy RDG the lowest digit at 2345 C lt 75 RH one year guarantee from production date 2 2 TECHNICAL DATA ACCURACY RESOLUTION 2 2 1 DCV 100uV 0 5 3 lm 100mV Input resistance all ranges 1 OMQ Overload protection 200mV range 250V DC or AC peak value other range 1000V DC or AC peak value ImV 100mV 1 2 410 Input resistance 10MQ Max 2 2 2 ACV Overload protection 1000V DC or AC peak value Frequency response lower than 200V range 40 400Hz 750V range 40 200Hz Displaying RMS of sine wave mean value response ACCURACY RESOL UTION 0 01uA 2 2 3 DCA 0 1luA 0 8 10 luA 10uA 1 2 8 100uA 1 5 5 ImA 2 0 5 10mA Max measuring voltage drop 200mV Max input current 20A within 10 sec Overload protection 2A 250V fast melt fuse 20A infused Rance ACCURACY RESOLUTION 2 2 4 ACA 2 0 5 100uA 2A 3 0 5 ImA 3 0 10 10mA Max measuring voltage drop 200mV Max input current 20A less than 10sec Overload protection 2A 250V fast
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