SMART KNIT & IS3F /485 represents the BTSR solution designed for an advanced production control for large diameter circular knitting machines.

This system is composed of SMART KNIT Programming / Control Terminal combined to IS3F /485.



SMART MATRIX KNIT Terminal is able to control up to 248 installed sensors, indicating any type of error checked during the production control (broken or missing yarns, uncut or wrong sliding yarns, wrong threading or wrong picking up errors).

The electronic sensors IS3F/485 are able to measure and control the image variation of a running yarn put under inspection, indicating with absolute accuracy the relevant running or stop condition of the yarn itself. This is possible thanks to a sophisticated patented control technique (bidimensional analysis through an optical lens/ceramic unit).
The bidimensional image variation technique, makes the IS3F.. device free from environmental conditions such as: machine vibrations, dust/dirtiness accumulation, water/oil contamination (IP67 certification), thus guaranteeing the full device performance even in the most critical applications.
The IS3F.. devices are fully programmable and easily adaptable to the control of any type of yarn without count/typology restrictions.

The installation of this advanced technological solution is able to eliminate at least 80% of the waste and seconds quality that would normally occur during production, additionally it will drastically reduce needle breakage and machines stoppages, allowing a rapid pay-back time of the investment effected.

Thanks to the special SENSOR IN-OUT double connector, multiple IS3F /485 sensors can be easily installed without no need of complex wire assembly.

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"Touch light" function allows a precise and fast using of button sensor during different procedure. Bright(red and green) LEDs are used for controlling condition and alarm signalling.

Thanks to the bidimensional analysis through optical lens/ceramic unit, you may perform the yarn control either with yarn-lens contact (self-cleaning) or positioning the yarn within the wide reading area (8 mm) without any yarn-lens conctact (touch-less).

Multiple IS3F/HS and IS3F/485 sensors can be quickly and realiably connected thanks to the SENSOR IN - SENSOR OUT double connector.

Support clip for a quick sensor fastening to the textile machine, with three possible inclinations to make the sensor/yarn path alignment easier.

SMART MATRIX KNIT an advanced programming, controlling and reporting terminal.


Main Manufacturing Sectors


Main Application Processes

Large Diameter Circular Machines
Special application on-demand




ULTRAFEEDER 2 - The latest technologies and innovative materials in a All-in-one Solution. Utmost accuracy in Hosiery, Seamless, Knitting applications.



UNI EN ISO 9001 - UNI EN ISO 14001
ISO 9001:2015
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ISO 14001:2015
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ISO 9001 int
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ISO 14001 int
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