GyralGrinder powdered sample grinder reduces innumerable types of
samples to a uniform particle size, shape and distribution for XRF analysis in
The grinding process is extremely energetic, fast and thorough.
Uniquely engineered gyral-mechanics impart a controlled imbalanced
condition to the grinding dish containing a sample substance.
The components of the grinding dish, a puck and ring, energetically strike
and crush the sample while continuously encouraging the particles to
intermix with each other.
The GyralGrinder is ergonomically designed for operator comfort and easy
access to the working chamber and controls.
Easy Access to Controls
All operating controls are located within easy reach on the lid.
A single push button switch turns the unit on or off.
The programmable solid-state electronic timer has a large LED display for
elapsed time and audible alarm for alerting completion of the comminution
cycle. A rotary switch controls the intensity of impact.
The control lid lifts upward and toward the rear. It is
supported by two gas compression springs. A safety switch
automatically disengages the unit if the lid is inadvertently
opened. Two safety latches firmly locks down the control
lid during operation.
The comminution dish firmly clamps in position using a
single one-hand operated lever that also swings away for
full accessibility to the sample chamber. A self-locking
mechanism is designed into the lever that prevents the
dish from dislodging during operation. Simply pull out
on the knob and lift the handle up to disengage locking
mechanism allowing the entire arm assembly to swing out
of the way toward the rear of the chamber.
The Intensity of Impact can be controlled allowing for
the comminution of a wide range of sample materials
extending from soft to very hard. As well as providing a
means to minimize the introduction of transition element
contamination to the sample and wear to the grinding
Comminution Vessels for GYRALGRINDERS
Hardened steel, tungsten carbide and zirconia
comminution vessels are configured specifically to function
with the GyralGrinder clamping mechanism. The dishes
incorporate an upper ridge for ease of handling and the lids
have a central depression for self-alignment and fixation in
Variable Intensity of Impact Control extends range of
processing different types of samples
Reduces grinding dish wear and transition element
contamination to sample
Digital programmable timer with LCD display ensures
highly accurate and reproducible cycles
Cycle completion alarm and LED light
Single lever grinding dish-locking mechanism facilitates
sample introduction and removal
Sound abatement throughout reduces noise level
3/4 horse power DC motor resists wear and generates
virtually no heat
Solid-state motor control and integrated AC to DC
Heavy gauge steel cabinet and gas springs support lid for
unobstructed working chamber access
Single moving part engineering for virtually service-free
Ergonomically designed for operator comfort
Safety features disengage operation when lid or service
panel is opened
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