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ZEF Digital Economical low tension measuring instrument
4 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.
- 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
| Model | Ranges | Measuring Head Width* mm | SCHMIDT Calibration Material** | Resolution | |
| ZEF-100 | 0.5 – 100.0 cN | 43 | PA: 0.12 mm Ø | 0.1 cN | |
| ZEF-200 | 1.0 – 200.0 cN | 43 | PA: 0.12 mm Ø | 1 cN | |
| ZEF-50 | 0.50 – 50.0 cN | 43 | PA: 0.12 mm Ø | 0.1 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. |
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| 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. |
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All models are supplied in a foam-fitted carrying case with worldwide AC-Charger with interchangeable multi-plug adapters.
| 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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