smoke detector

The DL-331S Twist Tester is a precision laboratory instrument designed to measure yarn twist and untwist properties according to GB, ISO, ASTM, BS, and JIS standards. It offers multiple twist gauges (25–500mm), untwist elongation up to 60mm, and shrinking measurement up to 20mm. With a rotary clamp speed of 200–2000 r/min, pre-tension range of 0.5–110.5 cN, and low operating noise (50 dB), the DL-331S delivers accurate, repeatable results. Compact and robust, it is ideal for textile quality control and research applications.

Category

Description

Standard

 DL-331S

 Test method  GB/T2543.1~2-2001, FZ/T10001-92, BS2085
 ISO 2061:1995, ASTM D1422~3, JISL 1095
 Gauge  1. Counting directly 

 2. One time untwist
 3. Three times untwist

 Range of twist  25, 50, 100, 250, 500(mm)
 Untwist elongation  0~60mm
 Shrinking of untwist  0~20mm
 Rotary Clamp speed  200~2000r/min
Pre-tension range  0.5~110.5cN
Operating noise  50dB
 Motor  20W
 Power source  AC 220/230V 50/60Hz, 1-phase

 Weight (Approx.)

 21.4kg (±2kg)

 Dimension (Approx.)

 960(W) X 275(D) X 370(H)mm

Download Catalog

Reviews

There are no reviews yet.

Be the first to review “smoke detector”

Your email address will not be published. Required fields are marked *

Related Products

No posts found!

POWERPROBD is an ISO 9001:2015 Quality Management Systems accredited company.

Contact Us

Corporate Office
House: 13 (2nd Floor, 2A), Road: 11, Sector-11, Uttara, Dhaka 1230, Bangladesh

Reach our sales team
+88 01678712707
info@powerpro-bd.com

Follow Us

POWERPROBD is an ISO 9001:2015 Quality Management Systems accredited company.

Contact Us

Corporate Office
House: 13 (2nd Floor, 2A), Road: 11, Sector-11, Uttara, Dhaka 1230, Bangladesh

Reach our sales team
+88 01678712707
info@powerpro-bd.com

Follow Us

Copyright © 2025 POWERPROWBD Limited, All Rights Reserved.