SmartSaver recycler saves up to 90% of mobile phase by redirection of the pure solvent to the solvent reservoir during the isocratic HPLC. SmartSaver brings quite new approach to solvent recycler design. Very compact instrument is powered directly from chromatography data system PC, no power adapter is required. User friendly software is provided to configure the parameters, and to perform on-line monitoring/audit trail. Analog input allows unipolar or bipolar operation within range of ± 1V. TTL/con-tact closure can be configured as start, auto-zero or valve position control input.
The SmartSaver continuously monitors the output signal of the chromatographic detector. The analog-to-digital converter produces digital data for further evaluation in a built-in processor. If the input signal level exceeds the preset value (threshold), the SmartSaver redirects the flow to the waste, respecting the transport time from the detector to the switching valve. When the signal goes down, the SmartSaver waits for the transport delay and then switches the mobile phase back to the reservoir. The autosampler injection marker connected to the SmartSaver may ensure the zeroing of signal input at the moment of injection.