Yarn Loop Length Tester
Compliance Standards
FZ/T 70001-2003. FZ/T 71004-2003
Scope of Application
Determines loop length of various yarns and knitted loops. Verifies compliance of different yarn densities (counts) with standard loop lengths.
Product Details
Uniformly spread the twisted yarn under specified tension. Measure loop length compliance through pointer indications.
Structural Features
1. Column fixed to base supports upper sleeve, scale, and serves as lower sleeve guide
2. Rollers installed on both sleeves for tested yarn positioning
3. Upper sleeve position adjustable via vertical axis for different loop lengths
4. Select appropriate weights according to yarn specifications to apply tension through lever mechanism
Testing Method
1. Attach moisture-adjusted sample to upper and lower knife-shaped clamps
2. Apply specified weights (including 1.4kg lower clamp self-weight):
- 50g yarn: 2.4kg total
- 62.5g yarn: 3.0kg total
- 125g yarn: 6.0kg total
3. Record scale reading within 30 seconds after stabilization (precision 0.1cm)
Technical Specifications
Roller working diameter ：φ19mm
Maximum measurable length ：1800mm
Tension application：Heavy-duty lever-type
Weights available：300g, 500g, 1500g
Dimensions：310×550×1100mm (L×W×H)
Net weight ：20kg
在线联系供应商
Other supplier products
 |
Air - tightness Testing Device for Automotive Connectors-QINSUN | The air - tightness testing device for automotive connectors uses the pressure principle to conduct non - destructive tightness tests on containe... |
 |
STD Cofomegra UVBOX | Qinsun Instruments Co., LTD is a professional laboratory testing instrument manufacturer in China,Have been focusing on laboratory instrument R&... |
 |
Schopper Abrasion Tester | Standards DIN 53863, Part 2: Abrasion test methods for textile fabrics (rotary abrasion test). GME Standard 60345 & GMW Standard 3283: Indu... |
 |
Automotive Bed Liner Strength Testing Machine | Standard ASTM D624(Standard Test Method for Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers) ISO 37(Rubber, Vulcan... |
 |
Automatic dry cleaning tester | Instrument Purpose The YG-6 Fully Automatic Dry Cleaning Tester is used to evaluate the physical properties of wool, fur, cotton-linen, worsted, a... |
Same products
 |
Air Intake Filter Test System | 卖方: Standard Groups | The Air Intake Filter Test System is designed for testing industrial air filters and engine air f... |
 |
Mattress Spring Fatigue Tester，ASTM D3574 ，how to test mattress for sagging | 卖方: Standard International Group (HK) Limited | The King Size Foam Fatigue Tester is a single-station pneumatic fatigue testing system designed f... |
 |
Mattress Rollator，ASTM F1566 ，Mattress Durability Tester，Mattress Fatigue Tester | 卖方: Standard International Group (HK) Limited | The Mattress Rollator is a laboratory durability testing system designed to evaluate the long-ter... |
 |
HD2 Pneumatic Foam Fatigue Tester，ISO 3385，Foam Fatigue Testing Machine | 卖方: Standard International Group (HK) Limited | The HD2 Pneumatic Foam Fatigue Tester is a heavy-duty, single-station laboratory testing machine ... |
 |
VW Heel Abrasion Tester，ISO 4649 ，Heel Performance Testing Machine | 卖方: Standard International Group (HK) Limited | The VW Heel Abrasion Tester is designed to evaluate the wear resistance of floor covering materia... |
