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Determining optimum twist can have a critical effect on the physical characteristics of yarns. Yarns with a low twist count are capable of producing a yarn with increased softness for knitting and warmth. Increasing twist count can provide additional tensile strength. However, maximum tensile strength can decrease if the twist angle is greater than the desired amount. The Electronic Digital Twist Tester meets applicable International Standards for measuring both the untwist/retwist method and yarn twist method by direct rotational counting.
Usage
To determine yarn twist in single or plyed yarns, quadrant type with auto stop & reverse for conventional or untwist/retwist methods.
Technical Specifications
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
Measuring Twist Range
1~9999.9 twist
Clamp Distance
1-50 cm (0.5-20 inch)
Yarn Test Length
25, 50, 100, 200, 250, 500 mm
Untwist Elongation Range
max 20mm
Rotating Speed of Gripper
1500 r/min, 800 r/min, slow inching speed
Elongation Indicator
0-60 mm
Pre-tension
0 - 160 cN
Display
Back-light LCD
Output
RS232 serial port for data output and printer output
Dimensions
1080 x 275 x 216 mm
Power Supply
220V, 50Hz or 110V, 60Hz
Weight
30 Kg
Included Accessories
Main Unit
01 No.
Tension Weight Kit (0.5cN, 1cN, 5cN, 10cN, each)
01 No.
Tension Weight Kit (2cN, 20cN, 50cN, each)
02 Nos.
Tension Weight Balancing Pan unit
01 Set
Weight Box for keeping tension weight
01 No.
500mm fixed calliper
01 No.
Pointing Needle
01 No.
Power Cord
01 No.
User's Manual
01 No.
Inspection & Conformance Certificate
01 No.
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
Test Procedure
The first step is to select the method/mode to be chosen.
The yarn has to be clamped between 2 clamps.
'S' or 'Z' key has to be selected depending upon twist direction.
The stopper at the left front side of the Automatic Twist Tester has to be set at approx 50% of expected elongation.
The motor has to be started by pressing the 'START' key.
The motor will start untwisting the yarn and LCD display will start counting.
Salient Features
Latest microprocessor based equipment used to determine the twist per inch/cm
Specially designed for single yarn, double yarn & open-end yarns
A special sensor for zero setting
Special tensioning device provided to give tension to the yarn while testing
Totally programmable unit
User-friendly control panel, which guides the operator to undertake all steps for testing
Smooth precision-engineered auto mechanism
1 to 50gms weight supplied to give proper tension during testing
Digital control panel with 16-character, 4 line LCD display
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2014
Total Annual:
1 Million-2.5 Million
Employee Number:
100~150
Ecer Certification:
Verified Supplier
Zhongli Instrument Technology Co., Ltd. (ZL) is an industry leader of equipment in Dongguan Guangdong, China. We provide leading edge technology to the world's leading technology companies, government laboratories and educational institutions. Our technology is used to optimize product reliabi...
Zhongli Instrument Technology Co., Ltd. (ZL) is an industry leader of equipment in Dongguan Guangdong, China. We provide leading edge technology to the world's leading technology companies, government laboratories and educational institutions. Our technology is used to optimize product reliabi...