The electric yarn twist tester can be used to determine yarn twist in single yarn or ply yarns, it is a kind of quadrant type tester with auto stop & reverse for conventional or untwist/re-twist methods. Test length adjustable up to 50cm/20 inches for S & Z twist yarns.

1. It has been designed specially to meet the growing demand of the textile industry for an accurate instrument to measure the twist
in the twisted yarn. The instrument has facility of both untwist/twist methods for measurement of TPM of twisted yarn.
Standards:
ASTM D1422/1423，BS 2085，DIN 53832，ISO 2061，IWTO 25-70，GB/T 2543.1-2001/2543.2-2001
Applications: The Electric Twist Tester is professionally designed for determining yarn twist in single or plyed yarns.
Product Information: The electric yarn twist tester can be used to determine yarn twist in single yarn or ply yarns, it is a kind of
quadrant type tester with auto stop & reverse for conventional or untwist/re-twist methods. Test length adjustable up to 50cm/20
inches for S & Z twist yarns.
The weight of electronic Twist Tester: 16kg（36lb）
Outside dimensions of electronic Twist Tester: 1070×300×290mm（L×W×H）
Specifications of Automatic Twist Tester:
Yarn test
length
: 25mm to 500 mm adjustable (metric unit). The test length is automatically taken into account for
calculation and final reading is displayed directly in TPM.
Range : Up to 9999 TPM.
Resolution : 1 TPM.
Elongation Range : Up to 9999 TPM.
Motor Speed : Up to 1000 RPM
: Manual control of rotation is possible by hand.
Clamps : Spring loaded clamps at motor end for easy clamping of yarn.
: Toggle clamp at spool end for easy, quick and continuous clamping of yarn through spool.
Supply : 230 V AC, 30 Watts.
How Automatic Twist Tester Works?
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 LED display will start counting.
Reading will be stored in connected computer automatically in specific serial number.
More view on http://www.qinsun-lab.com/Products/twist-tester-electronic.html