The Waters 410 is in good condition and tested at SpectraLab.

General Information:

• A long-life LED light source with special circuitry to compensate for changes in intensity over time;
• A microprocessor-controlled keyboard with digital readout;
• Auto zero, temperature limit alarm and cell purge functions;
• An internal heater with counter heat exchangers to protect the solvent stream from changes in ambient temperature;
• Memory protection in the event of a power failure;
• A compressed output function which keeps large peaks on scale without losing smaller peaks;
• Built-in over-pressure protection for the cell;
• Built-in diagnostics that check the operation of the instrument;
• Four time constant settings from 0.2 to 10.0 seconds .