Range of precision-engineered sapphire window optical probes give a new insight on materials during processing
Magna Projects now supplies a range of precision-engineered
sapphire-window optical probes in a range of configurations and
geometries to allow materials to be studied during processing
using techniques such as near infrared (NIR), visible, and UV
The optical probes are fitted with a sealed and
leak-tested, abrasion-resistant sapphire window and
configurations of optical fibres to allow observation by
transmission or diffuse reflectance paths.
A right-angled probe
especially designed for injection moulding machine nozzles will
pressures up to 2100bar to be monitored, and the straight-pattern
Materials Probe permits measurements up to 420C.
Magna can supply
custom-built adaptors to allow the probes to be fitted to
specific geometries, for example to fit extruders, injection
moulding machines, laboratory instruments, reaction vessels,
mixers, pipelines, etc.
Additionally, test cells for gas and
liquid studies are available.
Use of these probes allows
real-time information to be gathered about the actual state of
the material as it is being processed, and this information may
be used to make rapid and informed decisions about process
For example, using near infrared spectroscopy,
parameters such as moisture and additive content may be
monitored, and relationships to physical properties such as
viscosity may be established.