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ZED
Digital Economical tension meter for limited acces |
Economical low tension measuring instrument for checking fibers, yarns and fine wires in areas with limited acces. The ZED employs a strain-gauge system to measure the running line tension on a variety of yarns, fibers and fine wires accurately.
The running material can easily be acquired by the trigger-operated roller shifting mechanism. The single-button automatic zero permits operation in any orientation and guarantees simple operation and highest accuracy.
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 Simple handling | | Adjustable damping | | Filament guide and roller shifting mechanism ensure easy acquisition of the running material | | Battery operated | | Ball-bearing mounted, V-grooved guide rollers | | NIST-traceable calibration certificate optionally available |
| | »Auto-Zero setting« using a push button for measurement in different measuring positions | | 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 |
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| Model |
Ranges | Measuring Head Width* mm | SCHMIDT Calibration Material** |
| ZED-200 |
1-200 | 63 | PA: 0.20 mm Ø |
| ZED-500 |
1-500 | 63 | PA: 0.20 mm Ø | | |
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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ZED Models
This model is recommended for all other applications where miniaturized
rollers are not necessary. |
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Delivery includes:
Tension meter with carrying case and batteries, operating instructions in English or German as requested |  |
| 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: |
12 bit |
| Display: |
3-digit LCD, 10 mm high |
| Display update rate: |
0.5 seconds |
| Self-frequency: |
250 Hz |
| Auto Power off: |
After 3 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: |
High-Impact-Plastic (POM) |
| Housing dimensions: |
157 x 85 x 32 mm (L x W x H) |
| Weight, net (gross): |
approx. 200 g (600 g) |
| Outer Roller distance |
38mm (c:c) |
| Max Linear Speed |
2000 m/min (standard)
3500 m/min (optional), specify suffix "-k" |
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