Waters Photodiode Array Detector 2998

Solvent and Reservoir Maintenance

Replace solvent reservoir filters regularly

Filter and degas solvents to prolong column life, reduce pressure fluctuations, and decrease baseline noise

Flush buffered mobile phases out of the detector with HPLC-grade water

Flush with a 5 to 10% methanol solution

Check for flow cell maintenance needs

Allow the lamp to cool for 30 minutes before removing it.

Power-off the detector before changing the lamp.

Wear eye protection that filters ultraviolet light.

Keep the lamp in the housing during operation.

Power-off the detector and disconnect the power cable from the rear panel.

Allow the lamp to cool for 30 minutes.

Power-off the 2998 PDA detector

Power-off the detector and disconnect the power cord from the power entry module

Pinch the sides of the spring-loaded fuse holder, located above the power entry module on the rear panel of the detector

Withdraw the spring-loaded fuse holder with minimum pressure

Ensure new fuses are properly rated

Ensure all required materials are available

Lift up the detector front cover and pull the front cover from the detector chassis

Disconnect the detector's inlet tubing from the column outlet connection

Remove the flow cell using a 1/4-inch flat-blade screwdriver to loosen the three thumbscrews on the flow cell assembly's front plate

Grasp the handle and gently pull the flow cell toward you