YSI 2900D handleiding

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Handleiding

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12-4
Under optimal conditions the enzyme sensor response depends on diffusion limitation of the substrate. When the
substrate can diffuse at a greater rate than the enzyme can turnover product, enzyme kinetics defines the response and
nonlinearity is a symptom. This occurs as an enzyme membrane ages.
It is necessary to periodically check sensor linearity. YSI offers linearity standards for all of the recommended calibration
values.
Temperature Compensation
The sensitivity of the sensors, in the 2900 Series, varies with temperature changes. The sample module contains a
temperature probe that monitors the fluid temperature. The sample results are temperature corrected for the difference in
temperature between the sample and the calibration.
Level Sensing
The 2900 Series employs level sensing on the Sipper and, optionally, in the waste, calibrator and buffer bottles.
The Sipper level sensor detects the sample surface and then travels into the sample about 3 millimeters (1/8 inch). This
controlled immersion depth permits the use of sample tubes/plates that are filled to different heights without significant
carry-over between samples.
The Sipper and Arm Assembly should never be touched while the unit is in operation.
The calibrator and supply bottles are monitored for low levels and the waste bottle is monitored for high level.

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Productinformatie

MerkYSI
Model2900D
CategorieNiet gecategoriseerd
TaalNederlands
Grootte50780 MB