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SOURCE OF ENGINEER
SOURCE OF ENGINEER

Less Beer Loss

at the Filling Line

and Longer Shelf Life

Dissolved oxygen spoils beer, so levels must be kept minimal
right through to bottling. A rapid response dissolved oxygen
sensor with a low detection limit reduces beer loss at the filling
line and ensures beer shelf life is maximized.

Eliminate polarization of DO sensors example, on the sensor the dynamic lifetime indicator monitors the
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Amperometric DO sensors have served the brewery industry well quality of the oxygen-sensing element after each calibration and,
for many years. However, they are not without their issues: together with measurements of the current process conditions,
3
polarization time, maintenance time, measurement drift, and speed calculates and displays on the transmitter the remaining number
of response can all be a concern. That is why optical measuring of days until the oxygen-sensing element should be replaced.
2
technology is rapidly becoming the new standard in DO
measurement. Sensors that are stored calibrated, ready to go
All sensor data, including calibration history, are stored in the sensor
Optical technology delivers fast response itself. This means that after performing maintenance and calibration,
Optical sensors have no electrolyte, so polarization is not required. installation in the process is simple. Thanks to the unique intelligent
And the absence of electrolyte and internal membrane is why optical sensor management technology’s plug and measure feature, upon
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sensors have very low maintenance. Compared with amperometric connecting the sensor to the transmitter , all relevant data is
3
probes, optical sensors have far higher signal stability. They also automatically transferred to the transmitter and an oxygen reading
1
have an extremely fast response rate: typically 98 % of final value is available immediately. The optical DO sensor can even be pre-
in less than 20 seconds. That can result in a significant saving of calibrated and stored ready for use, making sensor replacement
product at the filling line. even quicker and more convenient.
Optical dissolved oxygen sensor has been designed specifically
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for the needs of the brewery industry. It is fully CIP and SIP resistant Sensors designed for brewery industry needs
and highly tolerant of pressure shocks, rapid temperature changes, The combination of optical measurement technology, unique
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and the stop-of-flow effects that can cause amperometric probes intelligent sensor management technology’s , and experienced
to generate false alarms. provider in designing sensors for the brewery industry means that
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The sensorʼs oxygen-sensing element is the only consumable the current optical DO sensor is one of the most efficient and
part. Th replacement can be done in less than a minute and is reliable oxygen sensors on the market.
required approximately only once per year.
A transmitter is a simple to operate, flexible unit. It is a multi-
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parameter transmitter, so can be used for a wide range of brewery
processes.
Diagnostics that tell you when maintenance will
be required
The optical DO sensor and transmitter feature a unique intelligent
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sensor management technology . Among its features, this means
that sensors contain a set of advanced diagnostic tools. For
ข้อมูลเพิ่มเติม/Additional Information
1 เซ็นเซอร์วัดปริมาณออกซิเจนที่ละลายน�้าแบบออพติคัล Mettler-Toledoʼs InPro 6970i
1 Mettler-Toledoʼs InPro 6970i optical dissolved oxygen sensor
2 OptoCap™ อุปกรณ์ตรวจวัดออกซิเจน
2 OptoCap™, the sensorʼs oxygen-sensing element
3 Mettler-Toledo’s M400 ทรานส์มิเตอร์ที่ใช้ร่วมกับเซ็นเซอร์
3 M400 transmitter from Mettler-Toledo’s
4 Mettler-Toledoʼs Intelligent Sensor Management (ISM®) เทคโนโลยีการบริหารจัดการ
เซ็นเซอร์พิเศษอัจฉริยะ
4 Mettler-Toledoʼs unique Intelligent Sensor Management (ISM®) technology JUN 2018 59 59
JUN 2018 FOOD FOCUS THAILANDFOOD FOCUS THAILAND