Can you tell me the difference between the ZX-TDS04 categories, CJ1H-CPU66H?
ZX-TDS04, ZX-TDS04-L and ZX-TDS04-T? I don't see ZX-TDS04-T on the official website. Is it sale in China?

CJ1W-TC001 measurement control now has ZX-LD40 this probe, did not buy the back of the amplifier, how to pass the meter
ZX-LD40 probe, not buy the back of the amplifier, how to control its displacement through the computer, the PC monitoring software where there is? Thank you very much for the great God