User guide

Demonstration of the function of
a Process Refractometer
iPR Process-Refractometer
smart heads
For more than 30 years In-Line Process Refractometers iPR
from SCHMIDT+HAENSCH have been used successfully
in the process analytical measuring technology.
Our iPR‘s continuously measure the refractive index and
determine thereby the concentration of dissolved solids
in solution and/or the mixing proportion of binary or
quasi-binary liquid mixtures.
The measurement is independent of turbidity, colour and
absorption as well as viscosity. Archieved results are free
of signal drifts, featuring high stability and precision.
With over 30 years experience in development temperature
compensated user scales (e.g. Brix, Oechsle, Glycol, H
2
O
2
...)
for the process steam conditions, we ensure the highest
reliability with highest resolution and precision.
Our new developed generation of iPR measuring
heads is equipped with additional - enhanced
features:
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of the food and pharmaceutical industries and tolerates
temperatures up to 150°C*
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(process stream) within the sapphire prism
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Temperature compensation (e.g. Brix, Oechsle, Glycol,
H
2
O
2
...) for individual products
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life span of
electrical and optical components
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t LED Light Source (589nm), extrem. long lifetime 100 000 h
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Process connection with VariVent (Tuchenhagen),
TriClamp, APV, bypass
t
Known SCHMIDT+HAENSCH quality „Made in Germany“
t Support and services on site upon request
*Exception: IPR-Compact
2