OPERATING INSTRUCTION
Contents
1. FUNC key to enter to the continuity mode The buzzer sound if the resistance of a circuit under test is less than 1002 14 NOTE Input signal level must be higher than 0 5V it is sensitivity 5 4 DC AC HA or mA measurement DC Current range is 200 0HA 2000HA and 20 00mA 200 0mA and then 10A range AC Current range is 200 0HA 2000HA and 20 00mA 200 0mA and then 10A range 1 Turn off power to the circuit Set the rotary switch to the properDC AC HA or DC AC mA position 2 Break the current path to be tested Connect the red test lead to the more positive side of the break and the black test lead to the more negative side of the break 3 Turn on power to the circuit The measured value show on the display 5 5 DC AC 10A measurement 1 Insert the red test lead into the input terminal marked as 10A 2 The measuring procedure is same as that of 5 5 section Note e For safety s sake the measuring time for high current should be lt 10 second for each measurement and the interval time between two measurement should be greater than 5 minutes e When current measurement has been completed disconnect the connection between the testing lead and the circuit under test 15 5 6 Temperature measurement To measuring temperature shuld be use the K type probe P3400 6 Maintenance 1 Set the rotary switch to the TEMP range In this time The 6 1 Replacing the battery environment temperature value2. the auto power off function is disabled Operating temperature amp Humidity 0 40 C 32 104 F amp lt 80 RH Q Storage temperature amp Humidity 10 50 C 14 122 F amp lt 70 RH Power Supply 9V Battery 6F22 or 1604A Type x Ipc Safety Class IEC 61010 1 CAT II 600V Dimension Lx W x H amp Weight 140 x 67 x 30mm Approx 112g Accessary 1 K type temperature probe P3400 lpc 2 User s Manual Ipc 3 Testlead 0 Iset 4 9V Battery lpc 4 2 Electrical Specification at 23 5 C lt 75 RH 4 2 1 DC Voltage Range Resolution Accuracy 200mV 0 1mV 0 5 rdg 2dgt 2V 0 001V 20V 0 01V 200V 0 1V 600V 1V 0 8 rdg 2dgt 8 Over load protection overred 1500V SG Spark Gap used to protect that the voltage 4 2 2 AC Voltage Range Resolution Accuracy 2V 40Hz 400Hz 0 001V 0 9 rdg 3dgt 20V 40Hz 400Hz 0 01V 200V 40Hz 400Hz 0 1V 600V 40Hz 200Hz 1V 1 2 rdg 3dgt SG Spark Gap used to protect High voltage that is over 1500V 4 2 3 Resistance Range Resolution Accuracy 200 2 0 1 Q 0 8 rdg 2dgt 2k Q 0 001k 2 20k Q 0 01k Q 200k Q 0 1k O 2M 2 0 001M 2 1 0 rdg 2dgt 20M 9 0 01M 9 4 2 4 Diode check Range Resolution Function gt 0 001 V Wil
3. displayed on the LCD 2 Insert the K type probe to the two COM and TEMP terminals When meter display EI the battery must be replace to maintain The two and pins of temperature probe P3400 must be direct normal operation at the COM amp C terminal respectively D Disconnect and remove all test probes from any live 3 The measured temperature value will be displayed on the LCD source and meter 2 Open the battery cover on the bottom case by 5 7 Detecting AC electric field NCV function screwdriver The red LED on the upper area on the front panel lights up and then flickering 8 Remove old battery and snap new one into battery at all function except for OFF when electric field excceding 90V is detected by holder the sensor that is incoporated in the inner upper area of front case 6 2 Fuse replacement Replacing the defective fuse should the done according to the following without touching them i e Non Contact Voltage detection NCV procedure Detection against in wall outlet is possible It indicates a presence of AC voltage in an electrical cricuit or equipment i To avoid electrical shock remove the test lead and anv input The detecting position may be away about 20mm from the objet under check signal before opening the bottom case li Open the botton case and then remove the defective fuse and insert a new fuse of the same size and rating F250mA H250V or FIOA H250V i
4. C AC current Diode Continuity 3 3 Display indicators Number Indicator Meaning 1 DC voltage or current 2 led AC voltage or current 3 Diode 4 MAX Maximum value 5 HOLD Data hold 6 ES Low battery indicator 7 MK 2 Q KO MQ is unit of resistance 8 C F The unit of temperature C Centigrade F Fahrenheit 9 mV V is unit of voltage UmVA EE HA mA A is unit of current 10 i Indicate negative reading O di B 1800 m VEO umVA MO TITITMITITM LIA 13 L3 ALI TITMITITTMITITMTITM Ee E EP ATA I LI Fig 2 4 Specification 4 1 General Specification LCD Auto ranging DMM that full scale is 2000 counts Display 3 1 2 digit LCD display Over load protection temperature DATA HOLD function MAX value hold function Back Light Low battery indication AC electric field detection function NCV function Used the PTC protection circuit for Resistance Auto Power OFF If the meter is idle for 15 minutes idle time the meter automatically turns the power off After auto power off pushing any of the push button or changing the rotary switch can turn on the meter again NOTE 1 After auto power off in the AC mode if changing the rotary switch to the DC mode the Re power on if disabled 2 The meter enters sleep mode after quto power off If press HOLD push button to re power on in the sleep mode
5. DIGITAL MULTIMETER MODEL MS8233E Users Manual Table of Contents Introduction 2 Safety note 3 Explanation of Controls and Indicators 3 1 Product illustration 3 2 Functional push button 3 3 LCD display Specification 4 1 General Specification 4 1 Electrical Specification Measurement operation 5 1 DC voltage amp AC voltage measurement 5 2 Resistance measurement 5 3 Diode amp Continuity check 5 4 DC AC mA measurement 5 5 DC AC 10A measurement 5 6 Temperature measurement 5 7 Detecting AC electric field 6 Maintenance 6 1 Replacing the battery 6 2 Replacing the fuse 6 3 Replacing the Test lead 6 4 Cleaning and Decontamination 1 Introduction This manual is used to MS8233E Digital Muti Meter only This Meter is a handheld and battery operated Digital Multi Meter DMM with multi function This Meter is designed to meet IEC61010 1 amp CAT II 600V over voltage category and double insulation The meter with holster that is giving the main body though downsized high resistance against the shock of a drop Protection provided by the instrument will be impaired if used in a manner not specified by the manufacturer This operating instruction covers information on safety and caution Please read relevant information carefully and observe all the warnings and note strictly The DMM as general measurement tool and widely used in the school laboratory factor
6. l display the forward drop voltage Operating current about ImA Open circuit voltage about 1 48V 9 4 2 5 Continuity Max input current 250mA at mA input terminal and 10A at 10A input Range Function terminal en If measured resistance less than 1002 will buzzer is sounded 4 2 8 Temperature Open voltage about 0 5V You can selecting Centi degree C or Fahrenheit L F by FUNC key 4 2 6 DC Current Range Resolution Accuracy Range 20 C 1000 C 200HA O 1HA Resolution 1 C 2000HA IHA 20 C 0 C 5 rdg 4dgt 20mA 0 01mA 1 5 rdg 3dgt Accuracy 0 C 400 C 2 rdg 3dgt 200mA 0 1mA 400 C 1000 C 396 rdg 3dgt 10A 0 01A Fahrenheit Temperature F Over Load protection use the fuse F250mA H 250V at HA mA range Range 0 F 1800 7 and use the fuse F10A H 250V at 10A range Resolution 1 F Max input current 250mA at mA input terminal and 10A at 10A input 0 F 50 F 5 rdg Adgt terminal Accuracy 50 F 750 F 2 rdg 3dgt 4 2 7 AC Current 40Hz 400Hz 750 F 1800 F 3 rdg 3dgt Range Resolution Accuracy 200HA O 1HA 2000HA IHA 20mA 0 01mA 1 5 rdg 4dgt 200mA 0 1mA 10A 0 01A Over Load protection use the fuse F250mA H 250V at HA mA range and use the fuse F10A H 250V at 10A range 11 10 5 Measurement ope
7. ll Replace the bottom case and reinstall all the screw 516 6 3 Test lead replacement The test lead has been used and replaced shall be comply with the requirements specified by the manufacturer in order to ensure operation safety 1000v CATII or 600V CAT III 10 A or better warning TO AVOID ELECTRICAL SHOCK REMOVE TEST LEADS BEFORE OPENING BATTERY COVER RISQUE DE CHOC ELECTRIQUE RETIRER CORDONS DE MESURE D OUVERTURE AVANT couvercle des piles 6 4 Cleaning and Decontamination The meter can be cleaned with soft clean cloth to remove any oil grease or grim Do not use liquid solvent or detergent lt 7
8. on of the same standard incorporating the same level of testing requirements CONFORMS TO UL STD 61010 1 IEC 61010 031 C CERTIFIED TO CSA STD C22 2 No 61010 1 and c US 61010 031 Listed Intertek 3 Explanation of controls and indicators 3 1 Meter illustration 10 285 Fig 1 Exterior view 6099080088080 LCD display MAX push button BACK LIGHT push button HOLD push button FUNC Push button Rotary Switch Knob VIQ uA mA C Input terminal COM 10A input terminal NCV indicator LED input terminal and C F HOLD Press HOLD to enter and exit the hold mode in any mode That act with trigger MAX This key is act with trigger Press this key once the maximum value is holding Will displays MAX symbol in the LCD After pressing the key A D will keep working and the display value are always up dated and kept the maximum value NOTE The actual gained value is not the peak value This key is used control Backlight This key is act with trigger When press and hold the key over 2 sec will enable Backlight Press the key again the backlight will disable 24 2 3 2 Functional push button Push button Function F FUNC key is the function select key that acts with trigger une Use the key as switch of D
9. ration 5 1 DC amp AC voltage measurement N Warning To avoid harms to you or damage to the meter from electric shock Please do not attempt to measure voltage higher than DC AC 1000V although readings may be obtained The DC voltage range are 200 0mV 2 000V 20 00V 200 0V and 600V and then The AC voltage ranges are 2 000V 20 00V 200 0V and 600V To measure DC or AC voltage 1 Insert the red test lead into the V Q input terminal and the black test lead into the COM terminal Set the rotary switch to DC or AC range 3 Connect the test lead across with the object under testing The measured value will be show on the LCD display Note e When DC or AC voltage measurement has been completed disconnect the connection between the testing lead and the circuit under testing 12 5 2 Resistance measurement The resistance range are 200 0 2 2 000K 20 00K 9 200 0K 9 2 000M Q 20 00M 9 To measure resistance connect the meter as follows Insert the red test lead into the V Q terminal and the black test lead into the COM terminal Set the rotary switch to proper resistance range Connect the test lead across with the object under testing The measured value will be show on the LCD display Note e The test lead can add 0 12 to 0 22 of error to resistance measurement To obtain precision reading in low resistance measurement that is the range of 200 0 short the input terminal before meas
10. uring In this time the contact resistance displayed on the LCD You can subtract the contact resistance value from the measured value e For high resistance measurement gt 10M 2 it is normal taking several second to obtain stable reading e The LCD display OL indicating open circuit for the tested resistor or the resistor value is higher than the maximum range of the meter 13 5 3 Diode Continuity check D Set the rotary switch to gt a i position First time default mode is diode check mode You can enter the continuity check mode by the FUNC Key insert the red test lead into the V Q terminal and the black test lead into the COM terminal Use the diode test mode to check diodes transistors and other semiconductor device In the diode test mode sends a current through the semiconductor junction and the measure the voltage drop across the junction A good silicon junction drop between 0 5V and 0 8V For forward voltage drop reading on any semiconductor component place the red test lead on the component anode and place the black test lead on the component cathode The measured value show on the display Reverse the test lead and measure the voltage across the diode again e If diode is good the display shows OL e If diode is shorted the display shows 0 zero in both direction e If display shows OL in both direction the diode is open Continuity Check Press the
11. y and other social field 2 Safety note zi Warning To avoid possible electric shock or personal injury and to avoid possible damage to the meter or to the equipment under test adhere to the following rule e Do not apply more than the rated voltage of marked on the meter between the input terminal and grounding terminal e Do not apply voltage between COM and OHM terminal in the resistance measuring state e Do not measure current with test lead inserted into voltage or OHM terminal e Do not expose the instrument to the direct sun light extreme temperature and humidity or dew full e Inspect the test lead for damaged insulation or exposed metal e Before measuring current check the Meter s fuses and turn off power to the circuit before connecting the meter to the circuit e Disconnect circuit power and discharge all high voltage capacitors before testing continuity diode resistance capacitance or current e Hazardous voltages in the test before measurement of what is known voltage to determine that determine that the equipment is functioning correctly Note international Electrical Symbol A Dangerous Voltage L Ground MAS AC Alternating AN Warning see current gt explain in manual DC Direct Current c Double insulation m AC or DC t Fuse an This product has been tested to the requirements ofC C AN CSA C22 2 No 61010 1 second edition including Amendment 1 or a later versi
Download Pdf Manuals
Related Search