SKYLINE INSTRUMENTS CO.,LTD
Skyline Instruments Co.,LTD We only manufacture Lab Testing Equipment
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To determine yarn twist in single or plyed yarns, quadrant type with auto stop & reverse for conventional or untwist/retwist methods.
Testing standards:
ASTM D1422 Standard Test Method for Twist in Single Spun Yarns by the Untwist-Retwist Method ASTM D1423 Standard Test Method for Twist in Yarns by Direct-Counting
ISO 2061 Textiles -- Determination of twist in yarns -- Direct counting method
BS 2085 Method of test for determination of twist in yarns, direct counting method
DIN 53832 Testing of textiles -- Determination of the twist of single and plied yarns and of the change of length. untwist method
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Test method | Test method 1: Single untwist-retwist method Test method 2: Double untwist-retwist method Test method 3: Direct counting method Test method 4: Multiple untwist-retwist method | |
| Specimen length | 25mm,50mm,100mm,250mm,500mm | |
| Rotating speed of grippe | 1500 r/min, 800 r/min, slow inching speed. | |
| Measuring range | 1 ~ 9999.9 twist / 10 cm | |
| Untwisting elongation range | Max. 60mm | |
| Determine maximum twist contraction | 20mm | |
| Test speed | 800r/min, 1500r/min | |
| Additive tension | 0.5~160.5cN | |
| Dimension size | 880x150x175mm | |
| Weight | 16kg | |
| Power | 220V,50Hz | |