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Kaiweets HT112B, Manual, Page: 6 / 21

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4

WARNING

● In order to avoid electric shock or personal injury 

caused by inaccurate reading, please replace batteries 

immediately when the battery power is low.

● Do not discharge the battery by shorting it or reversing 

its polarity.

● In order to ensure the safe operation and maintenance 

of the meter, please take out the battery when it is not 

used for a long time.

Replace Fuse
If the fuse is blown out, “       ” and “       ” will 

be displayed on the screen and there will be a 

continuous beeping sound.

①

Turn off the meter power and remove the test probe.

②

Remove the rubber sleeve and the 4 screws on the 

four corners of the back cover.

③

Open the back cover and replace with fuse of the 

same specification. Make sure that the fuse is clamped 

tightly.

④

Install the back cover and lock it with screws.

Fuse: 600mA/250V, FAST

Summary of Contents for HT112B

Page 1: ...TRUE RMS 6000 COUNTS DIGITAL MULTIMETER Contact us support Kaiweets com HT112B ...

Page 2: ...rt Measurement 6 DC AC mV Measurement 9 Frequency Duty Measurement 10 Capacitance Measurement 10 Diode Test 11 DC AC Current Measurement 12 Non Contact Voltage NCV 13 Live Test 14 Customized Matching Meter Pen 14 Specifications 14 Accuracy 15 DC voltage 15 AC voltage 15 DC current 16 AC current 16 Resistance 16 Capacitance 17 Frequency Duty 17 Diode 18 Continuity 18 Clean 19 Three years Warranty 1...

Page 3: ...this kind of voltage Do not measure a voltage higher than the rated value between terminals or between terminals and ground Check whether the meter works normally by measuring on known voltage Do not use it if it is abnormal or damaged Before using the meter please check whether the instrument shell is cracked or damaged by plastic parts if any please do not use it Before using the instrument plea...

Page 4: ...k alone so that you can get help in an emergency To avoid electric shock or injury due to wrong reading please replace the batteries in time when the indicator is displayed Do not use the instrument around explosive gas or steam or in a humid environment When using the probe hold your finger behind the probe finger guard When measuring please connect the neutral or ground wire first and then conne...

Page 5: ...ildings Install The Battery Or Fuse Install Battery Remove the rubber sleeve on the outside of the multimeter Remove the screw that secures the battery cover and remove the battery cover When installing the batteries please pay attention to the polarity of the battery After the installation is successful you will hear a beep sound ...

Page 6: ...r please take out the battery when it is not used for a long time Replace Fuse If the fuse is blown out and will be displayed on the screen and there will be a continuous beeping sound Turn off the meter power and remove the test probe Remove the rubber sleeve and the 4 screws on the four corners of the back cover Open the back cover and replace with fuse of the same specification Make sure that t...

Page 7: ...ction Press this key once to switch to manual function Press this key again to switch to other functions Press this key for more than 2 seconds to restore the smart function Function selection Flashlight key When a position has multiple functions press this key to switch Press this key for more than 2 seconds to turn on or off the flashlight METER PANEL ...

Page 8: ...ff function by pressing and holding the key while turning on the meter When the symbol is displayed the auto off function is on Measurement Operation Note The multimeter is very sensitive It will be affected by nearby magnetic fields Without touching any objects there may be a reading jumping on the screen when it is turned on This is normal occurrence of a digital multimeter and will not affect t...

Page 9: ...es respectively red to live black to neutral After the reading stabilizes record the reading from the screen The frequency will be displayed simultaneously 4 2 DC Voltage Test Connect the red test lead to the positive electrode and the black test lead to the negative electrode After the reading stabilizes record the reading from the screen Note If the result is negative it means the test leads are...

Page 10: ...he item has been damaged or burned out 4 4 Continuity Test Deenergize the circuit you will be testing Place the test leads on both sides of the object to be measured When the measured resistance of the circuit is less than 50Ω it will automatically switch to the continuity mode The buzzer will sound and the indicator will light up in green If the resistance value is greater than 50Ω it indicates t...

Page 11: ... the screen The frequency will be displayed at the same time 6 When measuring DC mV connect the red test lead to the positive electrode and the black test lead to the negative electrode After the reading stabilizes record the reading from the screen Note If the result is negative it means the test leads are connected inversely To achieve a positive result reconnect the test leads to the correct el...

Page 12: ... 6 After the reading stabilizes record the reading from the screen 7 When the measurement is completed disconnect the test leads from the measured object WARNING 1 A voltage higher than 250V cannot be measured otherwise the meter may be damaged 2 Pay special attention to safety when measuring high voltage to avoid electric shock or personal injury 3 Before use test on known voltage to confirm inta...

Page 13: ...hen measuring capacitance please disconnect the power supply and discharge capacitors to prevent safety hazard 1 Long press key to turn on the power 2 Insert the red probe into the jack and the black probe into the COM jack 3 Touch the test lead tips together to check if they are connected normally The indicator light should turn green and the buzzer sounds 4 Press key to switch to function 5 Conn...

Page 14: ...e probe has a reverse connection or the probe is open the meter shows OL When the voltage drop readings of the diode 1V the buzzer will beep with a sound prompt 1 Long press key to turn on the power 2 Directly insert the red probe into A Current jack The meter automatically switches to current measurement Press key to switch between and Tips If the probe is not inserted into the current jack in cu...

Page 15: ...aximum current of 600mA to prevent safety hazard 1 Long press key to turn on the power Press key to switch to function The meter shows NCV 2 Detect objects with the top of the meter 3 If the meter senses weak AC voltage the green indicator light will be on The buzzer will beep slowly displaying L 4 If the meter senses strong AC voltage the red indicator light will be on The buzzer will beep fast d...

Page 16: ...st displaying H In general the wire detected is the live at this time Customized Matching Meter Pen This product uses customized test leads you can go to the KAIWEETS Amazon store to buy the matching test leads set Environmental conditions CAT III 600V Pollution Level 2 Altitude 2000m Working environment 0 40 C 80 RH 10 C non condensing Storage environment 10 60 C 70 RH without batteries Temperatu...

Page 17: ...RMS Range Resolution Accuracy 60mV 0 01mV 0 5 3 600mV 0 1mV 6V 0 001V 60V 0 01V 600V 0 1V Range Resolution Accuracy 60mV 0 01mV 1 0 3 600mV 0 1mV 6V 0 001V 60V 0 01V 600V 0 1V Low battery displayed Polarity indication displayed Power 2 x 3V CR2032 batteries Accuracy is applicable within one year after calibration Reference conditions 18 C to 28 C 80 RH Accuracy reading word Accuracy ...

Page 18: ...600mA 0 1mA AC current Overload protection F600mA 250V Fuse Maximum current 600mA Frequency Response 40Hz 1kHz True RMS Range Resolution Accuracy 6000μA 1μA 1 5 5 60mA 0 01mA 600mA 0 1mA Resistance Overload protection 250V Range Resolution Accuracy 600Ω 0 1Ω 1 0 5 6kΩ 0 001kΩ 60kΩ 0 01kΩ 600kΩ 0 1kΩ 6MΩ 0 001MΩ 1 5 3 60MΩ 0 01MΩ ...

Page 19: ... 01mF Overload protection 250V Frequency Duty Range Resolution Accuracy 10Hz 0 001Hz 1 0 5 100Hz 0 01Hz 1000Hz 0 1Hz 10kHz 0 001kHz 100kHz 0 01kHz 1000kHz 0 1kHz 10MHz 0 001MHz 3 0 5 1 99 0 1 Hz Position 1 Range 10Hz 10MHz 2 Voltage response 0 5 10V AC 3 Overload protection 250V AC Voltage Position 1 Range 10Hz 2 kHz 2 Voltage response 0 5V AC ...

Page 20: ...Approx 2 0V Overload protection 250V 3 Overload protection 250V μA or mA Position 1 Range 10Hz 2 kHz 2 Current response 2mA 3 Overload protection F600mA 250V fuse Continuity Approx 50Ω the buzzer sounds and the LED lights up Open Voltage Approx 1 0V Overload protection 250V ...

Page 21: ...ent electric shock or damage to the instrument KAIWEETS will repair without charge any defects due to faulty materials or workmanship for three years from the date of purchase provided that Proof of purchase is produced Service repairs have not been attempted by unauthorized persons The product has been subject to fair wear and tear The product has not been misused Defective products will be repai...

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