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ZEF, Digital Tension Meters
ZEF, Digital Tension Meters
ZEF, Digital Tension Meters

ZEF Digital Economical low tension measuring instrument


Made in Germany4 capacities, 50, 100, 200 and 500 grams or cN

The new CHECK-LINE models ZEF and ZED Tension Meters employ a strain-gauge system for accurately measuring the running line tensions on a wide variety of yarns, fibers and fine wires. Its trigger-operated roller shifting mechanism makes it easy to acquire the running material.

Single-button automatic zero permits operation in any orientation while maintaining highest accuracy.

Tension meter

Features

  • Simple handling
  • Adjustable damping
  • Easy to read LCD display
  • Light weight
  • Everything in operator's view:
    - the guide rollers
    - the measured material
    - the readings
  • Housing made of high-strength plastic
  • »Auto-Zero setting« using a push button for measurement in different measuring positions
  • Slim filament guide with small guide rollers - ideal for limited access space
  • Filament guide and roller shifting mechanism ensure easy acquisition of the running material
  • Battery operated
  • Ball-bearing mounted, V-grooved guide rollers
  • Optionally available: Inspection Certificate 3.1 according DIN EN 10204 with calibration report
  • Certificate of Compliance with the order 2.1 according DIN EN 10204 is included

Tension Ranges

Model Ranges Measuring Head Width* mm SCHMIDT Calibration Material** Resolution  
ZEF-100 0.5 - 100.0 cN 43PA: 0.12 mm Ø0.1 cN 
ZEF-200 1.0 - 200.0 cN 43PA: 0.12 mm Ø1 cN 
ZEF-50 0.50 - 50.0 cN 43PA: 0.12 mm Ø0.1 cN 
Other units of measure are available, such as g.
* Width of filament guide
** Suitable for 95% of applications - PA = Polyamide Monofilament

Special calibration using customer supplied samples is recommended, if process material differs significantly from the SCHMIDT calibration material in diameter, rigidity or shape. For this purpose a material sample of about 5 m should be supplied.

Applications

ZEF Models
Miniature rollers make these models ideal for delicate yarns/fibers and fine wires as well as those application where access space is limited.

For Spandex and similar materials, specify model ZEF-100-T.

Complete Kit

All models are supplied in a foam-fitted carrying case with worldwide AC-Charger with interchangeable multi-plug adapters.

Dimensions

Dimensions Digital Tension Meters ZEF


Specifications

Calibration:
SCHMIDT factory procedure
Accuracy:
±1% full scale ± 1 digit or better
Overrange (approx.):
10% full scale, without accuracy guarantee
Overload protection:
100% of tension range
Measuring principle:
Strain gauge bridge
Measuring roller deflection:
0.5 mm max.
Damping:
adjustable
Signal processing:
digital
A/D converter:
14 bit
Display:
3½-digit LCD, 10 mm high
Display update rate:
0.5 seconds
Self-frequency:
250 Hz
Autozero:
±20% full scale
Auto Power off:
After 2 minutes of non-use
Temperature range:
10-45ºC
Air humidity:
85% RH, max.
Power supply:
2 size AAA batteries 1.5 V
(about 30 hours of continuous use)
Housing material:
Plastic (POM)
Housing dimensions:
157 x 85 x 32 mm (L x W x H)
Weight, net (gross):
approx. 200 g (600 g)
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