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Thiết bị đo tốc độ lưới máy xeo Feltest TrueSpeed (SpeedController)
Why relying on the Drive Control System
is a bad idea
Every piece of Paper Machine Clothing must run at precisely controlled speeds. But controlling those individual speeds comes from the drive control system making a calculated guess: multiplying the roll diameter and the thickness of the felt or fabric with π and the revs of the drive: v(fabric) = π * 2 * R2 * N
Manually inputting data puts you at risk of all sorts of errors, from typos and incorrect data to forgetting to update the data after changing the fabric. Combine this with the fact slipping drive rolls often go undetected—while the drive control system shows all section speeds are correct—and you’re left facing numerous breaks, unusual draws, sheet surface defects, or worn-out machine clothing.

The TrueSpeed Sensor is the fastest way to check the actual surface speed of your rolls and machine clothing—helping you easily identify speed differences caused by input errors and slipping drive rolls.
The sensor is ready for use in just a few seconds, and the measurement itself will take about the same.
The TrueSpeed can be used on almost any position, whether wet or dry, hot or cold, stable or vibrating.

| Specifications | TrueSpeed Sensor |
|---|---|
| Required control unit | Feltest SpeedController |
| Measuring principle | Counting pulses from magnets in the wheel |
| Range | 10 - 3000m/min | 30 - 9800 fpm |
| Accuracy | ±0.05% of full scale |
| Read-out units | m/s, m/min, km/h, fps, fpm, fph |
| Max. length including handgrip | 300 mm | 1 ft |
| Length of cable | Approx. 2 m | 6.5 ft |
| Total weight | 1.2 kg | 2.6 lbs. |
Tập tin PDF:
Tập tin PDF:
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