Quoting aidong <[log in to unmask]>:
> Hi,
>
> We have recently installed a new home source diffraction system
> using MAR 345 dtb. It works much better than the rigaku because this
> new device has automatic motor control system. However, we have a
> lot of trouble to mount crystals. The magnet of MAR goniometer is
> significantly weak so the pins do not stick on. The old pins we
> used nicely in old rigaku are not working most of time. The new
> pins from hampton research particularly designed for ALS
> high-through put data collection are not easily working either. I
> wonder whether anyone has similar experience and it could be fixed
> by replacing with a stronger magnet base. Thanks for your
> suggestions in advance.
>
Have you made sure that the electro-magnet for the goniometer is
switched on and working. You can switch the magnet on and off on the
control panel and a pin will not 'stick' without a green light here.
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