DS1990R

IO GND ....

Description

DS1990R serial-number iButton® is a solid data carrier, and it can use as electronic registration number in auto identification system. The data transmits through 1-wire agreement and only needs one signal wire and a ground loop. Internal of each DS1990R carved into the only 64 bits registration number by the factory, and it can run after absolutely. The solid durable stainless steel iButton package has strong ability to adapt the environment, and it is dust, moisture and shock. This compact button shape makes it can aim the detector head automatically, and it is easy to hand operation. Multiple accessories makes DS1990R can neatly install at the outside of vessel, vinyl disc and package and so on. DS1990R is totally compatible to DS1990A. DS1990R is better than DS1990A in the applications of strict on-line reply pulse.