S pe c t r a l S e n s o r s by C a r l Ze i s s

P r o c e s s a n d Q u a lit y C o n t r o l in t h e M a lt I n d u s t r y
INTRODUCTION
Malt producers and the subsequent industries areprocessing hundreds of tons of grain and malt. The
monitoring of all processes from incoming goods
inspection through production right up to outgoinggoods inspection is of vital importance for end-toend quality management to ensure a constant,high quality standard of the products. Conventional
laboratory analysis alone is no longer able to meetthese requirements. The accurate assessment of
the complex processes involved requires theadditional use of on-line analysis – a field whereeasy-to-use technologies are needed. New
analytical instruments are now available for theverification of a wide variety of constituents andparameters such as moisture, protein, soluble
nitrogen, extract, viscosity and color, both in thelaboratory and on-line during the production
process.
METHOD AND FIELDS OF APPLICATION
The analytical instruments use fast, high-precision
diode array spectrometers, covering the visual toNIR wavelength region. Measurement is performedin reflected light. Due to the extremely short
response times of these spectrometers, theinstruments can be used in the production
process for monitoring belts carrying raw materials
and liquid flow in pipes. This permits large
quantities of raw material or products to beinspected. Compared with random lab tests, thisoffers the advantage that highly accurate
information can for the first time be obtained on
the material’s homogeneity. When thespectrometers are used in-line during theproduction process, the measuring signals can betransmitted to the plant’s process control systemfor customized production control.

Figure 2: Incoming raw materials inspection〒164‑0011
東京都中野区中央4‑4‑5第一小林ビル
Tel: 03‑5328‑2858 Fax: 03‑5328‑2859

Spectral Sensors by Carl Zeiss
SYSTEM AND SOFTWARE
The technology permits the use of both fiber-coupled (MCS 500)
and fiberless systems (CORONA). The diode array
spectrometer systems are based on the successful ZEISSMMS polychromator technology, with cascadable
spectrometers. This allows simultaneous measurements in thevisual and NIR wavelength regions.
Possible software available includes the successful CORAsoftware. For special-purpose and dedicated applications, werecommend solutions under LabVIEW. DLLs for C++ andLabVIEW offer the possibility of programming customized
software interfaces and of integrating our measuring systems
into overall processes.

Figure 3: CORONA System

BENEFITS
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Fast, high-precision measurement, enhanced dataaccuracy
Suitability for analysis during production – transfer of thedata to a process control center
Successful measuring systems and methods
High reliability and low maintenance requirements, as thespectrometer contains no movable parts
User-friendly software
Detailed spectral information and measured data available
in next to no time
Flexible installation possibilities due to fiber-coupledtechnology

Figure 4: MCS 500 System

MEASUREMENT PARAMETERS
Product

C onstituent

C orrelation

Wheat

Protei n
Moi sture

0,98
0,99

B arley

Protei n
Moi sture

0,98
0,99

Standard Error Product(SEC in % )C onstituent

C orrelation

Standard Error(SEC in % )0,22 Malt
0,22Protei n
Soluble NExtract
Water
EVG
KolbachMeali ness
Vi scosi ty
Fri ab.-Value

0,97
0,96
0,98
0,98
0,96
0,95
0,970,970,970,21
17,80,270,220,38
1,33,10,09
3,10,24 Triticale
0,2Protei nMoi sture

0,970,990,220,2

In cooperation withCarl Zeiss
Spektralsensorik
D-07740 Jena
Telephon:++49 3641 64 2838
Telefax:++49 03641 64 2485
E-Mail:info.spektralsensorik@zeiss.de
Internet:
http:// www.zeiss.de/spectral

INB Erdmann
Schwerinallee 315838 Waldstadt
Telephon: ++49 33702 20983
Telefax: ++49 33702 20984
E-Mail: Bernderdmann@t-online.de