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Uniks M12 User Manual

Multifunctional digital multimeter
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Multifunctional Digital Multimeter
M12
User Manual
V1.0 29.11.2022
1

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Summary of Contents for Uniks M12

  • Page 1 Multifunctional Digital Multimeter User Manual V1.0 29.11.2022...

  • Page 3: Register Your Product

    REGISTER YOUR PRODUCT www.uniks.it The registration of your products will allow you to stay informed about news, take advantage of advantageous discounts dedicated to you for the purchase of accessories and products for your daily work. Registration is free...
  • Page 4 Index Statement ..................5 Summary ..................7 Safety Instructions ................. 7 Safety symbol ................. 7 Safe operation specifications ............8 Instrument instructions ..........10 LCD symbol instructions ..........12 Measurement instructions ..........14 3.1 AC voltage measurement ..........15 3.2 DC voltage measurement ..........16 3.3 mV gear voltage measurement ........
  • Page 5 Statement According to the Universal Copyright Convention, without permission and written consent, no content of this manual may be reproduced in any form (including storage and retrieval or translation into the languages of other countries or regions). This manual is subject to change in future versions without extra notice Caution The "caution"...
  • Page 6 Please read the manual carefully and pay attention to the relevant safety warning information before using the instrument.

  • Page 7: Safety Instructions

    Summary This instrument is a compact hand-held 6000 count digital multimeter with high performance and high reliability. It is equipped with overload protection circuit, which can be used to measure AC and DC voltage and current, resistance, diode, circuit connectivity test, non-contact electricity verification and live wire detection.
  • Page 8 Safe operation specifications Safe operation specifications Warning To avoid possible electric shock or physical injury, please comply with the following specifications: • Before using the instrument, please read the manual carefully and use the instrument in strict accordance with it, otherwise the protection provided by the instrument may be reduced or invalid.
  • Page 9 Safe operation specifications • When measuring, the correct function and range gear must be used. • Do not use the instrument around explosive gas and steam or in humid environment. • Do not use damaged probes. Check whether the insulation of the probe is damaged, whether there is exposed metal or signs of wear.
  • Page 10 Instrument instructions 1. Instrument instructions ①. LCD display： It is with 4 digit 7-segment nixie tube display, 6000 counts, and analog bar indication function.
  • Page 11 Instrument instructions ②. Key area： Function selection key： Briefly press the key to switch gear function, and long press the key for about 2 seconds to turn on or turn off VFD low-pass filter. Attention: VFD low-pass filter only works at AC voltage gear ( ). Maximum and minimum value key：...
  • Page 12 jack： Positive input terminal for voltage, resistance, diode, capacitance, connectivity, live wire detection, current measurement within 600mA (connected with the red probe). NCV sensing area ④. It is used for non-contact voltage verification. ⑤. Function rotary switch: It is used to select the measurement function. 2.
  • Page 13 LCD symbol instructions Automatic shutdown indicator Capacitance unit Current unit Diode measurement indicator Connectivity measurement Voltage unit indicator AC indicator Data display area Data minus indicator Display retention key DC indicator Analog bar indication Battery low voltage VFD low pass filter indicator indicator Contact live wire Relative measurement indicator...

  • Page 14: Measurement Instructions

    Measurement instructions 3. Measurement instructions Precautions before operation: Turn on the power and check whether the battery is under voltage. If " " is displayed on the screen, you need to replace the battery before operation. If not, please follow the steps below.
  • Page 15 Measurement instructions 3.1 AC voltage measurement Insert the red probe into the " " jack and the black probe into the jack. Turn the knob switch to the " " position, and connect the probe to the power supply or load to be measured, and the measured value will be displayed on the screen.
  • Page 16 Measurement instructions 3.2 DC voltage measurement Insert the red probe into the " " jack and the black probe into the jack. Turn the knob switch to the " " position, and connect the probe to the power supply or load to be measured. The polarity and measured value of the contact terminal of the red probe will be displayed on the screen.
  • Page 17 Measurement instructions 3.3 mV voltage measurement Insert the red probe into the " " jack and the black probe into jack. Turn the knob switch to the " " position, and connect the probe to the power supply or load to be measured. The polarity and measured value of the contact terminal of the red probe will be displayed on the screen.
  • Page 18 Measurement instructions 3.4Resistance/Continuity/diode/capacitance measurement Insert the red probe into the " " jack and the black probe into the jack. Turn the knob switch to the " " position and press the key to switch the measurement of resistance, connectivity, diode and capacitance.
  • Page 19 Measurement instructions 3.5 Non-contact electricity verification (NCV) / Live wire detection (Live) 1. Turn the knob switch to the " " position and press the key to switch NCV or Live function. 2. Under the NCV function, place the NCV sensing area close to the wire to be measured.
  • Page 20 Live Warning ： 1. Measurement range: about 36V~600V, 50Hz or 60Hz. 2. When using, even if there is no sound or display prompt, the wire to be measured may still have voltage. The instrument may be affected by other factors (such as shielded wires and cables, thickness of insulation layer, distance from voltage source, diversity in socket design, etc.), and fail to sense the electric field.
  • Page 21 Measurement instructions 3.6 Frequency / Duty ratio 4. Insert the red probe into the " " jack and the black probe into the jack. 5. Turn the knob switch to the " " position and press the key to switch the frequency or duty ratio. 6.
  • Page 22 Measurement instructions 3.7 uA current 1. Insert the red probe into the " " jack and the black probe into the jack. 2. Turn the knob switch to the " " position and press the key to switch the AC current, DC current or frequency measurement.
  • Page 23 Measurement instructions 3.8 mA current 1. Insert the red probe into the " " jack and the black probe into the jack. 2. Turn the knob switch to the " " position and press the key to switch the AC current, DC current or frequency measurement.
  • Page 24 Measurement instructions 3.9 10A current 1. Insert the red probe into the " " jack and the black probe into the jack. 2. Turn the knob switch to the " " position and press the 3. to switch the AC current, DC current or frequency measurement.
  • Page 25 Accuracy index 4. General technical index Measurement Category IEC/EN 61010-1 600V CAT III， Pollution level: Altitude < 2000m 0~40 ℃ (<80% RH, <10 ℃ is not Temperature and humidity of considered). working environment: Temperature and humidity of -10~60 ℃ (<70% RH, remove the storage environment: battery).

  • Page 26: Accuracy Index

    Accuracy index 5. Accuracy index Accuracy: ( reading + digit ), warranty period of 1 year. Reference conditions: the ambient temperature is 18 ℃ to 28 ℃, and the relative humidity is not greater than 80%. AC voltage Range Resolution Accuracy 60mV 10uV...
  • Page 27 Accuracy index Resistance Range Resolution Accuracy 600Ω 0.1Ω 6kΩ 1Ω 60kΩ 10Ω ±(1.2% reading +5 digits) 600kΩ 100Ω 6MΩ 1kΩ 60MΩ 10kΩ ±(2.0% reading +5 digits) Over voltage protection: 600V DC or AC RMS Diode and connectivity Range Description Remarks Diode Display approximate diode The circuit...
  • Page 28 Accuracy index Capacitance Range Resolution Accuracy 10nF 0.01nF ±(3.0% reading +5 digits) 100nF 0.1nF 0.001uF 10uF 0.01uF 100uF 0.1uF 0.001mF ±(4.0% reading +5 digits) 10mF 0.01mF 100mF 0.1mF ±(5.0% reading +5 digits) Over voltage protection: 600V DC or AC RMS Frequency Range Resolution...
  • Page 29 Accuracy index Duty ratio Range Resolution Accuracy 1%~99% 0.1% ±(3.0% reading +5 digits) Minimum input voltage: 200mV (RMS) Over voltage protection: 600V DC or AC RMS AC Current Range Resolution Accuracy ±(1.0% reading +5 digits) 600uA 0.1uA ±(1.0% reading +3digits) 60mA 10uA ±(1.2% reading +3 digits)
  • Page 30 Accuracy index DC current Range Resolution Accuracy 600uA 0.1uA ±(0.8% reading +3 digits) 60mA 10uA 600mA 100uA ±(1.0% reading +3 digits) ±(1.2% reading +3 digits) 10mA Maximum input current of mA jack: 600mA Maximum input current of 10A jack：10A Instrument maintenance This section provides basic maintenance information, including instructions for replacing fuse tubes and batteries.
  • Page 31 Accuracy index General maintenance Regularly use wet cloth and a small amount of detergent to clean the instrument shell. Do not use abrasive or chemical solvents. Replacement of the battery and fuse tube Warning： • In order to avoid electric shock or physical injury caused by wrong readings, the battery should be replaced in time when the "...
  • Page 32 Accuracy index Please replace the battery as the following steps: 1. Turn off the power supply of the instrument. 2. Disconnect the probe from the measured circuit. 3. Loosen the screws fixing the battery cover with a screwdriver and remove the battery cover. 4.
  • Page 33 Accuracy index Attention： 600mA fuse tube：600mA/600V； 10A fuse tube：10A/600V； Warning The fuse tube should be replaced with the same specification and parameters, and it is strictly forbidden to use the fuse tube with different specifications and parameters, otherwise there will be a risk of damaging the instrument.

  • Page 34: Warranty Conditions

    Accuracy index 6. WARRANTY CONDITIONS This instrument is warranted against defects in materials and workmanship, in accordance with the general terms and conditions. During the warranty period, defective parts can be replaced, but the manufacturer reserves the right to repair or replace the product.
  • Page 35 Accuracy index The content of this manual may not be reproduced in any form without the permission of the manufacturer. Our products are patented and their trademarks. The manufacturer reserves the right to change specifications and prices if this is due to technological improvements.
  • Page 36 Accuracy index Uniks Srl https://www.uniks.it info@uniks.it Via Vittori 57 48018 Faenza (RA), Italy 0546.623002 0546.623691...