Uni-Trend UT801 multimeter
Contents
1. e Do not use over gt 10A current measurement Although the meter can work on below 20A current testing but for the avoiding any harms to you or damages to the Meter 4 Measuring Resistance Diodes Continuity or Capacitance e To maintain the measurement accuracy discount circuit power and discharge all the high voltage capacitors during the measuring resistance e When measuring high resistance on 1MQ or above it is normal to take several seconds to obtain a stable reading In order to obtain stable reading choose shorter test lead to carrying out measurement e The test leads and the Meter inside wire will bring around 0 10 0 20 of error to resistance measurement when measuring low resistance To obtain accurate readings in low resistance short circuit the test leads beforehand and record the reading obtained call this reading as X Then use the equation measured resistance value Y X accurate readings of resistance e During measurement Diodes is in a good silicon junction drops between 500mV 800mV as the normal value The continuity measurement the poles between resistance is gt 100Q it is a short circuit but on the poles between resistance is 10Q it is a good connection buzzer is continually beep on and the reading value is nearly to the circuit resistance value Unit is Q Accuracy Specifications Accuracy reading digits guarantee for 1 year Operating temperature 18 C 28 C Environmental h2. 50 C 14 F 122 F 17 Relative Humidity 0 C 30 C below lt 75 30 C 40 C lt 50 18 Electromagnetic Field Under 1V m the influence of radiated radio frequency electromagnetic field phenomenon Total accuracy specific accuracy measurement 5 Over 1V m radiated radio frequency electromagnetic which do not have any reference data on this topic 19 Power AC external power adapter AC220V DC9V 200mA or DC internal battery type 2 R14 1 5V 6 pieces 20 Product size 300x245x105 mm 21 Product Net Weight About1500g without the accessories 22 Safety Compaliances IEC 61010 CAT II 1000V LCD Display 1 Manual Range Indicator of manual range 2 Warning Indicator for Warning signal 3 Lal The battery is low 4 amp Indicator for high voltage signal 5 Indicator for Negative reading display 6 AC Indicator for AC voltage or current DC indicator do not display 7 H Data hold is active 8 J gt Test of diode 9 1 The continuity buzzer is on 10 Number Indicates testing reading 11 Units of measurement Unit of Voltage The millivolt volt Unit of current Microampere milliampere ampere Q kQ MQ Unit of electrical resistance Ohm thousand ohms trillion ohm Unit of electrical capacity Accepts the farad nF uF the microfarad Unit of Frequency Kilohertz Unit of Temperature Degree Celsius Factor O Bo Unit of Triode enlargement Times UT801 802 Operating Manual L
3. IAI r Functions Measurement A 10A gt COM AAC Current Measurement Capacitance Measurement V lt gt mAUA Temperature Measurement Use Multi Purpose Socket V mApA Triode Enlargement Factor Measurement Functional Buttons Turn the power on and off Turn the display backlight on and off suitable for battery LIGHT supply backlight turn on about 10 seconds after auto shut down Press Hold to enter and exit the hold mode in any mode the meter beeps Operational Measurement Guide see Diagram 1 2 3 c ia hFE Diagram 1 Q i Wa pehi eta Diagram 3 P N 110401101618 Warning 1 Selecting the correct terminal input and turns the rotary switch to select the measuring function If fails to do that the buzzer beep and the warning signal flash on Alarm Alert On False Terminal Input 10A_mAyA MAWACHFEF 0A 2 DC or AC Voltage Measurement e To avoid harms to you or damages to the Meter from electric shock please do not attempt to measure voltages higher than 1000 V although reading may be obtained e The Meter has an input impedance of 10MQ exceptUT802 ACV input impedance of 2MQ This loading effect can cause measurement errors in high impedance circuits and so you need to take a note on it 3 DC or AC Current Measurement e Before connect the Meter in serial with the tested return circuit closed the return circuit current to avoid the dangerous of sparking
4. UT801 802 Operating Manual Bench Type Digital Multimeters Overview Digital Bench Type Multimeter Model UT801 is the maximum reading 1999 and 3 1 2 digits and UT802 is the maximum reading 19999 and 4 1 2 digits both models are in manual range DC AC current type digital multimeter This is also the extra large characters in LCD display backlight with full function full measurement and full overload protection as well as a good product design outlook In addition to all the conventional features include DC AC voltage DC AC current resistance frequency capacitance temperature C Transistor hFE diode and continuity buzzer This operating manual covers information on safety and cautions Please read the relevant information carefully and observe all the Warnings and Notes strictly Unpacking Inspection Open the package case and take out the Meter Check the following items carefully to see any missing or damaged part If you find any missing or damage please contact your dealer in your country e Operating Manual 1 piece e Test Lead 1 pair e Alligator Clip 1 pair e K Type Temperature Probe 1 piece For the temperature under 230 Ctesting e Multi Purpose Socket 1 piece e Power Cord 1 piece AC220V 50Hz DC9V 200mA Safety Information This Meter complies with the standards IEC61010 1 in pollution degree 2 overvoltage category CAT II 1000V and double insulation If you can not follow up this operating instruc
5. Vsas30Vrms 200kHz range 150mVsas30Vrms 8 Temperature Resolution Accuracy Tolerance Reading Digits ee E TAA 2 5 2 aa Thermocouple It is suitable to use K type thermocouple This include point contact K type thermocouple can only be used on less than 230 C temperature measurement 9 Diode Test UT801 UT802 UT802 Open circuit voltage is around i V Silicon junction drops between ios ca as the normal value UT801 802 Operating Manual l INI F 10 Continuity Test Range a 10 0 10 approximate 3V When circuit disconnected with resistance value gt 1000 buzzer does not beep When circuit is in good connection with resistance value 10Q buzzer beeps continuously 11 Transistor hFE m UT802 IbO is about 10pA Vce is hFE 1p J016 about 2 5V Replacing the battery see Diagram 4 R14 1 5V 6 Diagram 4 Specifications and other information shown on this instruction manual are subject to change without notice UNI TREND GROUP LIMITED Rm 901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowloon Hong Kong Tel 852 2950 9168 Fax 852 2950 9303 Email info uni trend com http www uni trend com Manufacturer Uni Trend Technology Dongguan Limited Address Dong Fang Da Dao Bei Zha Dong Fang Industrial Development District Hu Men Town Dong Guan City Guang Dong Province China
6. lammable and electromagnetic environment The performance of the meter may deteriorate after dampened 9 The internal circuit of the meter shall not be altered at will to avoid damage of the meter and any accident 10 Replace the battery as soon as the battery indicator Ga Appears With a low battery the meter might produce false readings that can lead to electric shock and personal injury 11 Turn the meter off when it is not is use and take out the battery when not using for a long time General Specifications 1 Maximum Voltage between terminal input and COM 1000V except 200mV 230V 2 UA mA terminal input protection CE 250mA 265V auto recovery fuse 3 10A terminal input protection CE F1 10A H 250V Fast type melted fuse 5x20mm 4 Resistance input protection PTC 250V 5 Capacitance input protection CE F2 F3 0 5A H 250V Fast type melted fuse 5x20mm 6 Frequency input protection PTC 250V 7 Temperature input protection CE 250mA 265V fuse 8 dt terminal input protection PTC 250V 9 hFE input protection CE 250mA 265V auto recovery fuse F3 0 5A H 250V Fast type melted fuse 5x20mm 10 Display LCD full function signal display maximum reading is 1999 UT801 19999 UT802 Updates 2 3 times second 11 Range Manual 12 Polarity Display Auto 13 Overload indication 1 14 Battery Deficiency ca 15 Operating Temperature 0 40 C 32 F 104 F 16 Storing Temperature 10
7. tion to use the meter and it reduces the chance to have an using protection 1 Before using the Meter and Test Leads inspect both items Do not use the Meter and Test Leads if it is damaged or the case or part of the case is removed or no reaction on LCD display Prohibited to use the meter without housing or housing without screw fix up in order to avoid possible electric shock or to avoid possible damage to the meter or to the equipment under test 2 If the damage of test leads use only the same model number or identical electrical specifications replacement parts 3 Do not use your finger to touch on any testing cable connector unused terminal input or circuit during the testing stage 4 When the meter working at an effective voltage over 60V in DC or 30V rms in AC special care should be taken for there is danger of electric shock 5 Selecting the correct terminal input and turn the rotary switch to select the measuring function In case of no any idea on the value input of the current just simply test from the high value to low one 6 Do not overload voltage or current on EITHER between terminal and terminal OR between terminal and grounding which indicate on meter limitation 7 The rotary switch should be placed in the right position and no any changeover of range shall be made during measurement is conducted to prevent damage of the Meter 8 Do not use or store the meter in an environment of high temperature humidity f
8. umidity Less than 75 RH 1 DC Voltage Accuracy Tolerance Reading Digits UT801 UT802 UT801 UT802 0 1 5 a fi osm 1000V 0 1V 0 8 3 0 2 5 Input ae is average on 10MQ Maximum Voltage Input 1000V Except 200mV 250V 2 AC Voltage Accuracy Tolerance Reading Digits UT801 UT802 UT801 UT802 200V 1 0 4 0 8 40 1000v 1v OAV Input CREIA UT801 is average on 10MQ UT802 is about 2MQ Maximum Voltage Input 750Vrms Frequency 45Hz 400Hz Display True RMS 3 DC Current Accuracy Tolerance Reading Digits UT801 UT802 UT801 UT802 10A 10mA 1mA 2 0 4 1 5 40 When 25A Continuous measurement less than 10 seconds at an interval more than 15 minutes 4 AC Current Accuracy Tolerance Reading Digits uT8o1 UT802 UT801 UT802 0 14A 14A 1 0 3 0 8 40 ae reer When 25A Continuous measurement less than 10 seconds at an interval more than 15 minutes 5 Resistance Accuracy Tolerance Reading Digits fu UT801 UT802 UT801 UT802 A sH 0 8 3 0 5 10 zwa fa fo aa a When gt 100MQ resistance measurement as reference purpose 6 Capacitance Accuracy Tolerance Reading Digits UT801 UT802 UT801 UT802 20nF 4 3 rT 100nF 5 10 gt 40uF A R as reference purpose 4 10 7 Frequency __preojureoz ureor utao EE TATATA Input Amplitude a 2kHz range SOm
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