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Operation, 3 calibration – KROHNE OPTISENS OAS 2000 EN User Manual

Page 30

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5

OPERATION

30

OPTISENS OAS 2000

www.krohne.com

07/2010 - MA OAS 2000 R02 en

Menu "System"

5.3 Calibration

The MAC 080 has a self-optimizing calibration algorithm able to handle several calibration
points in order to give maximum measuring precision in difficult applications. However, a single
point calibration is usually preferred.
After a calibration has been carried out, make it a habit to look at the calibration curve in the
sensor information screen to make sure it represents a smooth line without any sharp bends.

• Leave the instrument turned on for about 30 minutes prior to calibration so that the sensor

and electronics can stabilize.

• Please check that the correct unit is selected for the application. In the sensor menu, select

Settings > Unit

Settings > Unit

Settings > Unit

Settings > Unit.

Submenu

Description

Type

Type

Type

Type

Type of sensor (read only)

Serial

Serial

Serial

Serial

Serial number of the sensor (read only)

SoftW

SoftW

SoftW

SoftW

Software version of the sensor (read only)

Temp

Temp

Temp

Temp

Sensor temperature (read only)

MaxTemp

MaxTemp

MaxTemp

MaxTemp

The highest temperature the sensor has been exposed to (read only)

Samples

Samples

Samples

Samples

Press ^ to view SA values and suspended solids values.

SA 0

SA value for zero sample

SA 1

SA value for sample 1

Cons 1

Lab test (suspended solids value for sample 1)

...

SA and Cons repeated for samples 2 to 5

Info

Info

Info

Info

Press ^ to go to menu "Info"

"Info"

"Info"

"Info" (read only). This menu is for KROHNE

internal use, it may change without notice.

MS

Linearised light signal, which are SA values in calibration chart.

Con

Unit value in %, ppm, mg/l or g/l after MS value has been converted to

units due to sample values. This is displayed on main screen.

SA 0

SA value for zero sample

SA 1

SA value for sample 1

Cons 1

Lab test (suspended solids value for sample 1)

Ch1a

Raw value for channel 1

Ch1

Raw value for channel 1, compensated for changed intensity.

Ch2

Raw value for channel 2

Intensity

Currently used intensity

Zero Int

Intensity for clear water, set during zero calibration.

I-offset

Intensity offset, set during zero calibration.

Samp/s

Number of samples per second

Service

Service

Service

Service

Not accessible for users

.book Page 30 Friday, July 2, 2010 1:49 PM