A part of the review has been auto-translated.
I ordered the OWON CMS101 1000V 1000A (type b) because it measures up to 1000A. There was a USB charger and measurement cable manual in the box. I like that it is rechargeable and not battery-operated. It comes with one 18650 Li-ion rechargeable battery, which is replaceable. It has a long operating time. It arrived in a bag outside its own box; I had to wait for a month. Tracking from CN is cumbersome, but when it arrives, suddenly all data appears, and within a few days, it is here as well. The oscilloscope function does not work with a probe but through a measurement cable. It displays voltage and frequency. It has a non-contact phase finder, but it cannot measure Watts. They could have made it show Volts and Amps simultaneously. Otherwise, it is a good instrument that is very usable. It has a large display with a wide viewing angle. It looks nice, with many buttons.
Its quality is usable._The reason why it got 2 stars from me is because it doesnt have huge shortcomings._1. The USB is only for charging, not for data connection, in other words, you can forget about the firmware update._2. There is no baxseline zeroing in oscilloscope mode._In other words, the DC offset must be taken into account and corrected by yourself._I bought two devices, one with -900mA and the other with -1.5A negative DC offset._3. What I think is its biggest shortcoming is that it does not have Single and normal triggers. And since you cant update the firmware, you can forget about it.__The accuracy of the DC is good, the part of the multimeter is of the usual good quality from Owon._The display is clearly visible, but the surface of the oscilloscope is smaller compared to the HDS120, the height is the same, but the width is almost half._The shortcomings of the HDS120 can also be discovered here.