Pro'sKit MT-1232 multimeter
Contents
1. gt HEARR EE ACV HZDUTY 250V DEBE ER ig VETERE 1Hz 0 5 10d 0 001Hz 10Hz 0 01Hz 100Hz 0 1Hz 1kHz 1Hz 10kHz 10Hz 100kHz 100Hz 1MHz 1kHz 10MHz 10kHz 0 1 99 9 EHRE 0 1V BA BRACE 207 V 250V 2 3 9 ECC 1 2 C COM HFL gt ge Am Cia aerate 28 e Ai AMPH LERA gt Aa Lay Fu2. HEGRE o 11 ERI HAR EEE E pE DA RS te TE RER EE ER E E Bal FHESA o EEM TREE D LCD ex ESD 13 XEFEDHERM CEEGSETSEDEDBHIRT I XE de 7 CIEL dA ARER BONET 14 15 gt AN te V A amre V di Jh A B A pe BEERS LR TR SOR Vd RIRA REREH 1 RIRU 2 BEN SSH 3 M e ei ra Hi REESE OPERARE A Zeb
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8. VETERE 400uA 1 0 10d 0 1uA 4000uA 1uA 40mA 10uA 400mA 100uA 10A 1 2 10d 10mA mA F 0 4V gt A f3 100mV 10A 15 5 0 4A 250V Ej 2 3 4 ACA TEESRBRR AS COM H KES 400mA Th gt SRERIEHBESRISRESER A 1 2 PRE PRIBER gt LOA 250V VOmA 0A i I 24 RFL ALERIA oka FELCH ASL CREAR 10A SELECT 3384 AC c AN 1 LCD OL 2 400mA 10A ALERE AMETE 400uA 1 5 10d 0 1uA 4000uA 1uA 40mA 10uA 400mA 100uA 10A 2 5 15d 10mA mA f 0 4V gt A
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11. H AE DCV ACV DCA ACA EH Q CAP t Hz A WARE C A 2 3 1 DCV A V B RIRIA Bw Hire AUTO C mom SLSAESPITREBU cB FU PEREUT E S 1 600V 2 22 VETERE 1387 400mV 0 5 4d 100uV 4V 1mV 40V 10mV 400V 100mV 600V 1 0 4d 1V 400mV 40MQ ERR 10MQ e 600V 600V 2 3 2 ACV 1 COM xp 2 V SELECT Jej AC
12. 3 AUTO 4 x 1 600V mE ARRIERE 2 TETEA A A cres RS TER VETERE 4V 0 8 6d 1mV 40V 10mV 400V 100mV 600V 1 0 6d 1V 10MQ e 600V 600V ERE RE 50 200 Hz H8 PERJE DAE ABE 23 2 3 3 DCA A B yg TEAR SSA COM f AF 400mA gt RFRA 10A H VREUR E EU BIE EKILESR Axe 1 ERAI I ERU TA AGES Aw BTL 0A BFLCH GROS 10A DC SAGSEPBESKBUSRESEF AORTA OHTA TI J 1 RRC ER E QU LCD Em OL gt RH 400mA 10A
13. Open Voltage circuit Less than 200mV Overload Protection 250V DC or AC Peak Value Note When measuring at Range 4000 please short circuit the test leads at first to test the wire resistance and then deduct it from the actual resistance 11 2 2 6 Diode and Continuity Test A B C Insert the black test lead to COM terminal and the red test lead to ayom A terminal The polarity of red test lead is Rotate the Range to teal Press SELECT button to select the Diode measurement mode Forward Measurement Connect the red test lead to the diode positive polarity and the black test lead to the diode negative polarity The approximate value of diode forward voltage drop will show on the display Backward Measurement Connect the red test lead to the diode negative polarity and the black test lead to the diode positive polarity OL symbol will be displayed on the screen The complete diode testing includes forward and backward measurement if the result does not meet the above it means the diode is bad Press S button to select the Continuity measurement mode Connect the test leads to two points of the tested circuit If the built in buzzer sounds the resistance between the two points is less than 500 Range Display Test Condition Forward Voltage Forward DC Current is Drop of Diode Approx 0 5mA Backward Voltage is Approx 1 5V o Buzzer makes Open circuit voltag
14. 100mV 10A 15 BD 0 4A 250V Ej 10A 50 200 Hz ME 2 3 5 EIER QQ 1 Tf tR ERA gt 10A 250V ESRA COM FETU KTRBENRA SEEM A Ti ERES ATEO EE B AREER HHRA Axe 1 LCD OL Ti IMO 2 OL 3 25 4000 0 8 5d 0 10 4kQ 0 8 4d 10 40kO 100 400kQ 1000 4MO 1kQ 40MQ 1 2 10d 10kQ 200mV 250V FE
15. 2 ACV A Insert black test lead into the hole of COM and red test VOmA lead into sait Hz B Rotate function switch to V press SELECT button to select the AC measurement mode C The default state of the meter is in automatic range status which shows AUTO symbol D Putthe test lead in contact with the testing point The voltage of the point where the red test lead is contacted will be displayed on the screen AN Caution 1 Don t measure voltage over 600V Otherwise the meter will be damaged 2 When measuring high voltage special attention should be given to personal safety and avoid your body getting in touch with high voltage circuit Range Accuracy Resolution 4V 0 8 6d 1mV 40V 10mV 400V 100mV 600V 1 0 6d 1V e Input Impedance 10MO e Overload Protection 600V DC or 600V AC Peak Value e Frequency Response 50 200 Hz e Display Average value response RMS of sine wave 2 2 3 DCA A Insert the black test lead into the COM input terminal and red test lead into the ane input terminal Max 400mA or 10A input terminal Max 10A Rotate function switch to Current The default state of the meter is in automatic range status which shows DC symbol Then connect the test lead to the tested circuit in series the tested current value and the current polarity of the point where the red pen is contacted will be displayed on
16. had special training or gained approval can make it During measurement the requirement of measurement 3 12 13 14 15 function must be in accordance with LCD display Please be sure to disconnect the line of the test lead with the measured object first and ensure there is no any input signal It is forbidden to switch the function range selection switch during measurement When is shown on LCD display please replace battery immediately to ensure the measurement precision It is not allowed to insert the test lead into the current terminal to measure voltage Please don t change the circuits of the meter freely for fear that the meter will be damaged and the safety endangered Description of Safety Symbols AN Warning V DCV High AX voltage V ACV Danger A DCA Ground A ACA In accordance with the Double Ce instruction of European Insulation Trade Union Low rza Battery Lt Fuse Instrument Panel amp Function Button Description 1 Instrument model number 2 LCD Display Displays the measured data and unit 3 Function Button 3 1 Hz Frequency Duty Cycle Press this button to select the frequency or duty cycle mode The measurement mode of voltage frequency duty cycle or current frequency duty cycle could be selected by pressing this button in AC DC voltage or AC DC current 3 2 REL Relative Value Measurement The relative value
17. measurement of Capacitance function could be conducted by pressing this button 3 3 D a Data hold Backlight Press the left side of this button the reading is locked press it again the left side the lock will release and back to normal measurement status Press the right side of this button over 3 seconds the backlight will come on press this button the right side again the backlight turns off 3 4 S Function Switch Press this button the function could switch between DC AC and gt te 4 Knob Switch Used to change the measurement function and range 5 Input Terminals 5 1 Current Voltage Diode Resistance Capacitance Frequency Buzzer Temperature Input terminal gt 5 2 10A input terminal 5 3 Voltage Diode Resistance Capacitance Frequency Buzzer Temperature and Input terminal with current less than 400mA Other Functions Auto Power off During measurement the meter will automatically shut down enter sleeping mode to save power if function buttons and knob switch are not operated for 15 minutes In auto power off mode press any function buttons or rotate the knob switch the instrument will get into the auto power on mode working mode Properties General Feature 1 1 Display LCD 1 2 Max Display 3999 3 3 4 counts automatic polarity display and unit display 1 3 Measuring Method Dual integral A D converter 1 4 Sampling Range Approx 3 times sec 1 5 Over Ran
18. 29 Do PE E 30 MT 1232 3 3 4 6 R RH 15mm LCD RS ij o HT FA SA EL A SEVERE EE ACUTELY EH a bE RS Rall ERRETA EIF ENERE RASA E gt AE Se DER RE AT HTH o PERE FT BA LSS ARAM TAREN PI Ae RD RR TIVE RD RRR LEVEL EA eR e reu f e e 5 NEUE e 2h Hae 18 m IRIRE T EITA IEC1010 RA 25V 10mA 36V lm Je EE AC i EL E E EHI it gt Fic HIE TE PE eS EL LE REB n 7 RE HE TTR REESE RIRH FIACH REEE AFA AEE BOR AN
19. OLTAGE AT THIS RANGE 15 Instrument Maintenance This is a precision instrument and the user shall not modify the electric circuit as well 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 the instrument is not operated for a long time please take out the battery to avoid leakage 5 Pay attention to the status of the 1 5v battery When the LCD displays a flashing FE symbol the battery shall be replaced The steps are as follows 5 1 Loosen the screw on the back cover that secures the battery case and remove the battery case 5 2 Remove the 1 5V batteries and replace them with two new ones Although a 1 5V battery of any standard can be used but in order to lengthen the operation life alkaline batteries should be used 5 3 Mount the battery case back and tighten the screw Precaution 1 Don t input voltage higher than DC 1000V or AC Peak Value 2 Don t measure voltage at current resistance diode and buzzer range 3 Don t use the instrument when the battery has not been mounted properly or the back cover ahs not been tightened 4 Prior to the replacement of battery or fuse please remove the test leads from the measuring point and switch off the meter 16 Fau
20. ProsKit MT 1232 C 3 3 4 Autorange Digital Multimeter User s Manual 1 Edition 2013 2013 Copyright by Prokit s Industries Co Ltd Contents General 1 Open Package Inspection 2 Safety Note 2 Instrument Panel amp Button Function Description 5 Other Functions 6 Properties 6 Instrument Maintenance 16 Fault Elimination 17 General This product equipped with the LCD display of text height 15mm is a 3 3 4 digital multimeter which has the merits of clear reading stable performance and high reliability It could be used to measure DC voltage AC voltage DC current AC current resistance capacity frequency duty cycle diode and make on and off test Meanwhile it is available for unit symbol display automatic manual range switching automatic power off and alarm function The multimeter due to its complete functions performs with high measurement accuracy and convenient operation and is ideal for general electrical testing and troubleshooting Open package Inspection Open the package box and take out the meter check carefu
21. appear 2 It is recommended to test weak signals by shielded cable under noisy circumstances 3 Select ACV when testing the frequency of high voltage Then press Hz DUTY button to enter frequency measurement status 4 Don t input voltage of over 250V DC or AC peak value in case it damages the meter Range Accuracy Resolution 1Hz 0 5 10d 0 001Hz 10Hz 0 01Hz 100Hz 0 1Hz 1kHz 1Hz 10kHz 10Hz 100kHz 100Hz 1MHz 1kHz 10MHz 10kHz 0 1 99 9 For your reference 0 1V Input Sensitivity gt 0 7V RMS Overload Protection 250V DC or AC Peak Value 14 2 2 9 Temperature C A Rotate function switch to C B Insert the cathode black pin of cold end free end of thermocouple into COM jack and anode into er terminal Then 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 AN Caution 1 When the input terminal is open circuit it will display the normal temperature 2 Don t change the temperature probe at random or the value accuracy could not be guaranteed 3 Don t measure voltage at temperature range Range Accuracy Resolution 20 1000 C lt 400 C 1 0 5d 1C 2400 C 1 5 15d Sensor K Type Thermocouple Nickel chromium nickel silicon banana plug AN Caution DO NOT INPUT V
22. e is a long sound if Approx 0 5V resistance is less than 500 Overload Protection 250V DC or AC Peak Value CAUTION DO NOT INPUT VOLTAGE AT THIS RANGE 12 2 2 7 Capacitance F A Rotate function switch to al B Insert the black test lead to COM terminal and red test lead to AD A terminal or insert the test socket C Connect the tested capacity by the test leads to COM ETE input terminal or insert the test socket hole Cx the screen will show capacitance parameter The relative value measurement could be conducted by pressing REL button AN Caution 1 Fully discharge the tested capacitor in case it damages the meter 2 When measuring in line capacitor the power should be turned off and all capacitors should be discharged completely 3 It takes about 30 seconds to input stable reading at 100uF Range Range Accuracy Resolution 4nF 5 0 9d 1 pF 40nF 3 5 8d 10pF 400nF 100pF 4uF 1nF 40uF 10nF 100yF 5 0 8d 100nF Overload Protection 250V DC or AC Peak Value 13 2 2 8 Frequency Hz A Connect test leads and shielded cable to COM ne t terminals B Rotate function switch to Hz Connect test leads and the cable to the signal source or the tested load The tested signal will show on the screen Caution 1 When inputting AC RMS over 10V it could show reading but excess vibration may
23. ge Indication Display OL 1 6 Low Battery Indication ES 7 symbol appears 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 2 pcs 1 5V batteries AA battery 1 10 Dimension size 147x78x41mm 1 11 Weight Approx 183g 1 12 Accessories User s Manual 1 pc color box 1 pc 10A test leads 1 pair K Thermocouple Test Socket 1 pc Technical Features 2 1 Accuracy a x reading digits at 23 5 C relative humidity lt 75 One year calibration guarantee from the time dispatched from the factory 2 2 Technical Specification 2 2 1 DCV A Turn the knob switch to W Range B The default state of the meter is automatic range status which shows AUTO symbol C Put the test lead in contact with the testing point The voltage and polarity of the point where the red pen is contacted will be displayed on the screen AN Caution 1 Don t measure voltage over 600V Otherwise there is a danger of the meter being damaged 2 When measuring high voltage special attention should be given to personal safety and avoid your body getting in touch with high voltage circuit Range Accuracy Resolution 400mV 0 5 4d 100uV 4V 1mV 40V 10mV 400V 100mV 600V 1 0 4d 1V e Input Impedance 400m gt 40MQ 10MO at other Ranges e Overload Protection 600V DC or 600V AC Peak Value 2 2
24. lly if the following accessories are missing or damaged If there is anything missing or damaged please contact the distributor immediately Digital multimeter 1 PC Users manual 1 copy Test leads 1 pair Temperature Probe K Thermocouple 1 PC Test Socket 1PC Safety Note The design of this meter is in accordance with IEC1010 clause the safety standard issued by International Electrotechnical Commission Prior to the operation of the instrument please read the safety considerations before use 1 When DC voltage is above 30V AC voltage above 25V current above 10mA AC power line with inductive load or power line during electric fluctuation is measured please beware of electric shock 2 Prior to measurement check if the measurement function Switch is at the correct position Check if the test lead is contacted reliably connected correctly and grounded well etc in order to avoid electric shock 3 Only if the meter is used with the matched test lead does it meet the requirement of the safety standard When the line of the test lead is damaged it is necessary to replace with another one of the same model or the same electrical specification 4 Don t use other unconfirmed or disapproved fuses to replace the fuse inside the meter Only the same model or same 2 10 11 specification fuse can be replaced Before the replacement the test leads must be removed from the measuring point and ensure there is no any sig
25. lt Elimination If the instrument does not work properly please try the following tips to solve some general problems If the problems still exist please contact the maintenance center or the distributor Fault Solution F Turn on power No Display Replace battery EE symbol appearance Replace battery Big display error Replace battery e This Instruction is subject to change without any further notice e The content of this Instruction is considered correct and in case readers find any errors and missing parts please contact the manufacturer e The Company shall not be held liable for any accidents and hazards resulted from the mal operations by the user e The function elaborated by this Instruction shall not be taken as the reasons for using the product for special purposes 17 AER Vu ABR 21 ZSJREEE rre oo 21 i s HC ee
26. nal at the input terminal Don t use other unconfirmed or disapproved battery to replace the battery inside the meter Only the same model or same electrical specification battery can be replaced Before the replacement the test lead must be removed from the measuring point and ensure there is no any signal at the input terminal When the electrical measurement is made never let your body gets in touch with the ground directly and don t touch uncovered metal terminal output port lead clamp and etc where earth potential may exist Dry clothes rubber shoes rubber cushion and other insulating material are usually used to keep your body insulated against the ground Don t store and use it in the high temperature high humidity inflammable and strong magnetic field environment It may damage to the meter and endanger the operator s safety if the voltage value beyond the permitted ultimate voltage value is measured The ultimate voltage value permitted for measurement is marked on the instrument panel and never measure the value exceeding the standard Don t input the ultimate value out of regulation in order to avoid electric shock and the damage to the meter When the test lead is inserted into the current socket don t measure any voltage for fear that the meter should be damaged and the operator s safety be endangered Don t try calibrating or repairing the meter When necessary only the qualified professional personnel who have
27. the meter Range Accuracy Resolution 400uA 1 5 10d 0 1uA 4000uA 1uA 40mA 10uA 400mA 100uA 10A 2 5 15d 10mA e Max measurement voltage drop Full Range mA is 0 4V A is 100mV Max input current 10A less than 15 seconds e Overload Protection 0 4A 250V restorable fuse 10A 250V fuse Frequency Response 10A Range 50 200 Hz 10 2 2 5 Resistance Q A Insert the black test lead into COM terminal and red test VOMA lead into s a terminal B Rotate the Range to Q Cross connect the two test leads to the tested resistor C When measuring the low resistance please short circuit the test leads at first to test the wire resistance and then deduct it from the actual resistance AN Caution 1 If OL is displayed on LCD it indicates the tested resistance value has exceeded the present range limit please select higher range to complete the measurement When measuring the Resistor higher than 1MO the instrument will take several seconds to make the reading stable It is normal when measuring the high resistor 2 When the input terminal is open circuit it will display OL 3 When measuring in line resistor be sure that the power is off and all capacitors are discharged completely Range Accuracy Resolution 4000 0 8 5d 0 10 4kQ 0 8 4d 10 40kQ 100 400kO 1000 4MO 1kO 40MQ 1 2 10d 10kQ
28. the screen simultaneously A Caution If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select higher range to complete the measurement The Max input value is 400mA or 10A Depending on the terminal where the red test lead is contacted Range Accuracy Resolution 400uA 1 0 10d 0 1uA 4000uA 1uA 40mA 10uA 400mA 100uA 10A 1 2 10d 10mA Max measurement voltage drop Full Range mA is 0 4V A is 100mV Max input current 10A less than 15 seconds Overload Protection 0 4A 250V restorable fuse 10A 250V fuse 2 2 4 ACA A Insert the black test lead into the COM input terminal and red test lead into the pus input terminal Max 400mA or 10A input terminal Max 10A B Rotate function switch to Current Press SELECT button to select the AC measurement mode Then connect the test lead to the tested circuit in series the tested current value and the current polarity of the point where the red test lead is contacted will be displayed on the screen simultaneously AN Caution 1 If OL is displayed on LCD it indicates the tested current value has exceeded the present range limit please select higher range to complete the measurement 2 The Max input value is 400mA or 10A Depending on the terminal where the red test lead is contacted The overrated current will lead to fuse melt or even damage
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