Brand: WissEl | Category: Nanotechnology

The top model in the WissEl velocity transducer line, built on a massive steel housing with NdFeB and SmCo5 high field magnets. The small moving mass allows operation over a wide velocity range, and the absence of fringe fields suits bidirectional sources.
| Parameter | Value |
|---|---|
| Velocity range | 0 to plus or minus 300 mm/s, above 1000 mm/s in the high velocity version |
| Resonance frequency | approximately 25 Hz |
| Calibration constant | approximately 25 mm/s per volt |
| Accuracy | plus or minus 0.5 per mille sinusoidal, 1.5 per mille triangular |
| Linearity | better than 0.15 per cent up to plus or minus 100 mm/s |
| Specification | Length 138 mm, diameter 108 mm, weight 4.5 kg |
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Contact Vvon Technologies Limited about WissEl equipment requirements in Bangladesh.
Phone: +8801805987890 | Email: info@vvon.com.bd
A basic Mossbauer drive unit that forms a complete drive system with any WissEl velocity transducer. It accepts any waveform from a WissEl digital function generator and sets maximum velocity from a front panel ten turn potentiometer.
The standard model in the WissEl velocity transducer line. It moves the gamma source during a Mossbauer measurement using NdFeB and SmCo5 magnets that leave practically no magnetic fringe field at the source position, so it suits all common Mossbauer experiments.
A Mossbauer drive unit with an error minimisation facility, so the velocity transducer can be run away from its resonance frequency across roughly 1 to 100 Hz. A logarithmic LED bar shows the deviation of the motion from its ideal value.