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High Speed Unwind Machine
Accurately measure the unwind force of a roll of tape with the ChemInstruments High Speed Unwind Machine. The High Speed Unwind Machine meets the standards specified in ASTM D 1000 and AFERA 4008 for unwind force at a fast rate of removal. It will also test the unwind force of pressure sensitive tapes according to Test Methods PSTC-8 and PSTC-13.
Load Cell (lbs)


  • Rugged construction, capable of withstanding the abuse of the production environment
  • Digital speed control ensures a constant speed regardless of wind-up roll diameter
  • Selectable speed range from 10 to 400 fpm (3 - 120 mpm)
  • Accepts rolls up to 3" wide (75mm) x 12" OD (300mm) on standard 3" cores (75mm)
  • Length counter incorporated into controller to record in either feet or meters
  • 25 pound load cell is included with the machine
  • Capable of pulling up to 10 pounds (4.5 Kg)
  • Accurate to ± 0.1% of load cell range
  • Operating temperature range 32° - 150° F (0° - 70° C)
  • Capable of stand-alone operation with integrated touch screen display
  • Data can be downloaded to EZ Data software for complete data management
  • 5.7 inch touch screen display
  • Universal Input Voltage from 85-265 VAC (50/60Hz)
  • Data Acquisition System

  • The ChemInstruments electronic data acquisition system is a state-of-the-art microprocessor controlled force measurement package that combines accuracy with ease of use. This system simultaneously controls test motion, reads the force of a test from a load cell, displays it and also stores that data in its memory.
  • Samples at 400Hz, 8 samples are collected, averaged and stored as a data point. A test will generate a data point every 20ms
  • Displays a graph of all measured force values upon completion of a test
  • Displays the average, high and low measured force results immediately upon completion of a test
  • Export data by USB connection to a local PC with our EZ Data software
  • Displays test values in grams, kilograms, ounces, pounds or Newtons
  • EZ Data

  • EZ Data Compatible Remote setup, operational control and enhanced data collection are all possible when coupled with our EZ Data management software. This application requires an external PC.
  • Calibration Service

  • Calibration Service is available for this equipment. Contact us for more information.



  • EZ Data management software
  • Custom sized unwind cores from 1" up to 3" (25mm - 75mm)



  • Universal Input Voltage from 85-265 VAC (50/60Hz)
  • Additional load cell capacities available: 5 and 10 pounds
  • PSTC and TLMI testing manuals and videos
  • Custom speeds



  • Height: 15" (38 cm)
  • Width: 25" (63 cm) 
  • Depth: 18" (45 cm)
  • Weight: 59 lbs (26 Kg)



Some of the more popular test methods that this device is capable of performing:

  • PSTC: 8, 13
  • ASTM: D 1000
  • AFERA: 4008


*Following video does not show the current model machine