UNI-T UT210D/UT201E Digital Clamp Meter True RMS Voltage Resistance Capacitance Multimeter Temperature Measure Auto Range Electrical (ABS)

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Narrowed it down to two, UNI-T UT210D and the UNI-T UT204, just want to see if other guys have brought. Connect and fasten the SOP8-DIP8 board to the CH341A programmer. The SOP8-DIP8 board pin 1 should be farthest from the USB connector and adjacent to the fastener so as to align with the 24CXX DIP8 outline on the programmer.

The CH341A flash programmer is connected to the computer via USB and to the UT210E EEPROM via SOIC8 test clip cable. Once connected, ch341eeprom[3] can read and write the binary flash EEPROM image.A big thank you to Dave and his videos on DMM's wow can you imagine being his apprentice, my head would explode after a days work so much info from one guy and i'm not even to sure his videos are cut and edited. I recorded video of process of resetting to zero of the current indications in the DC mode at UT210E. This method allows to reduce residual indications in the mode of measurement of a direct current (DC 2A Dotless, 2A,20A,100A) without the need for EEPROM correction without the programmator. Thanks of kDnZP from a Russian-speaking forum! Measure current with the clamp, use the blue button to select between AC and DC. Zero must be used on DC range When using the NCV function the display will show a number of -, depending on the electric field. This can usual be used to see if a mains outlet or cable is powered or trace a cable that is just under the wall. This function is always a guideline and not a 100% confirmation of voltage or no voltage. Cable position within the clamp does not matter btw. As long as the cable goes through the clamp, you get the same measurement.

The circle with the arrow indicates auto power off, holding down the SELECT button during power on will disable that. Select/VFC (Blue): Will select secondary functions, holding down the button will enable a low pass filter for AC measurement (VFC).As you can see, the two meters match up well, better than I expected! I tested voltage and resistance too against some precision references and precision resistors. It read 0.4% high on average in voltage mode (worst: 0.47% or 5 counts) and was generally bang on in resistance mode (worst: 0.2% or 2 counts.) One this side is another string of resistors (R27A, R27B, R27C: 3x300kohm), but strange enough they are connected directly to the input terminal without any protection. The NCV voltage led (LED3) and the transistor to drive it (Q2) is also placed here.