Agilent Technologies DP235 Guide de l'utilisateur télécharger pdf (Page 415)

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Contents ▲ 415 ▼ Index

Pressure Cartridge Tests

High-Voltage Stability

Te st

Tests high voltage accuracy and stability of all 16 high voltage

power supplies. Unused chip (DNA, RNA, or protein) required.

High-Voltage Accuracy

Te st

Check of the high voltage controller.

High-Voltage Accuracy

on Load Test

Check of channel-reference diode in transmission direction.

Autofocus Test Checks the focusing capability of the optical system. Autofocus

test chip required.

Laser Stability Test Measurement of stability of red laser signal.

Electrode/Diode Test Checks the photo diode and current-versus-voltage performance

of the bioanalyzer. Electrode/diode test chip required.

Pressure Offset Test The vacuum system of the pressure cartridge consists of a

pump and the corresponding tubes. This test calibrates the

pressure sensors to zero.

Pressure Control Test Checks that the bioanalyzer is able to hold the working pressure

of -140 mbar. During the test pumps stay on, while the system

tries to regulate pressure to be kept at -140 mbar. Cell Autofocus

test chip required.

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