Description Condition In running condition Available Sensors Ut4 sensor cs: basic mass sensor for measuring u%, cv%, imperfection thin, thick & neps with different sensitivity level Ut4 sensor oi: dust & trash Ut4 conveyor: you can check yarn, sliver and roving with different speed Ut4 base se: control unit Software And Operating System Operating system win xp and software newly released version 2.8.0, so easy to install any type of printer