Bio-rad ChromLab™ Software Uživatelský manuál stáhnout pdf (Strana 156)

A | Maintaining the Instrument

154 | NGC Chromatography Systems and ChromLab Software

As Needed

Tubing and connectors Replace all tubing and connectors.

Pressure monitors Calibrate the monitors. Start ChromLab

software and select Tools > Calibrate.

Complete the calibration steps in the dialog

box.

pH electrode Check the values for slope and offset. Start

ChromLab software and select Tools >

Calibrate and choose pH from the dropdown

list. Complete the calibration steps in the

dialog box. Replace the pH probe if

necessary.

Store in storage solution when not in use.

See Table 15 for recommended storage

solutions for the pH electrode.

Tip: See Storing the pH Electrode on

page 217 for information about storing

the electrode.

Wash housing check

valves

Replace the wash housing check valves.

Sample pump Calibrate flow rate of the sample pump.

Sample pump seals and

check valve

Replace the seals and check valve using the

pump head maintenance kit.

System pump Calibrate the flow rate.

System pump seals and

check valve

Replace the seals and check valve using the

pump head maintenance kit.

UV, UV/Vis, and

conductivity monitors

Check the reference and signal voltage.

Replace the light source if necessary.

Calibrate the conductivity monitor.

UV/Vis flow cell Replace the flow cell if it is fouled and

cannot be cleaned.

Table 14. NGC instrument maintenance schedule, continued

Interval Component Action

1 2 ... 151 152 153 154 155 156 157 158 159 160 161 ... 305 306

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Bio-rad ChromLab™ Software Uživatelský manuál Strana 156