Yo-yo Balls Tester SL-S32 The yo-yo ball rope extension test instrument makes the length measuring system( to calculate the elongation length) and the yo-yo ball installed in the same spindle for rotating. When the yo-yo ball rotates at the speed 80r/min, the line of the ball will stretch along the centrifugal direction, and the test line(one end fixed in the ball, the other end fixed on the trolling reel) is connected with the encoder, the trolling reel and the spindle of the encoder are free state, and the bearing friction can be ignored. Interface display: rotating speed, length, start/stop/reset. (digital display, page display the speed and length); Length measuring system, DC motor with speed adjustment, intelligent MCU control. Wall fixing suport or floor stand seat（adjustable） Encoder and intelligent control signal transmission system Rotating speed:1-150（adjustable） Stroke：0-1000MM（adjustable） Standard: ASTM963-08

test

Snap Tester (Button Pull Tester), to determine the holding or breaking strength of prong-ring attached snap fasteners onto garments or toys, also as a Push Pull Tester for compression and tensile testing of small samples(special attachments are available).

Zipper Strength Tester, used for testing zipper strength or zipper fatigue test for puller attachment, closed-end, top stop, open-end fastener box, slider locking device.

Hydrostatic Head Tester, used for determining the resistance of fabrics (canvas, coated fabrics, cover cloth, rainproof clothing fabrics and geotextile materials) and films to water penetration under pressure while firmly clamped in the test rig of standard area, by means of dynamic test method and static test method. The bank is linked to a test head to which the specimen is clamped quickly and stably by means of an automatic clamp.