Model AUT-501 Automatic Titration System 

The AUT-501 Titrator is a high performance microprocessor controlled titration system which will perform all types of classical titration routines. The AUT-501 titrator and peripherals are the result of many years experience in electrochemical Instrument Manufacturing.

• pH, Redox, pH stat, Amperometric, Conductometric, and Photometric Titrations can be performed. 

• Use up to (10) ABT-511 burettes to Perform linked titrations and automated sequential titrations using different titration methods, preamplifiers, electrodes, burettes and samples. Fully programmable for the most complex procedures. 

• New titration control for fast analysis time. 

• Conforms to GLP and Y2K requirements. Includes a complete electrode confirmation and replacement routine for compliance and validation. 

• Results memory for 100 measured samples and total re-analysis function of previous data for latest 40 results. 

• True Multi-tasking operation. Modify and re-analyze data while titration is being performed.

• True bi-directional RS-232 operation. Analog Controls also available (std.).

• Options include a multi-sampler for 12, 24, 36 or 60 samples, Balance Interface, Computer interface, External printer and Multiple preamplifiers (For multi-electrode analysis).

• Pre-defined(20 fixed) and User defined methods(30) are fully programmable and available. The system includes 10 Linked Modes, Buret Dispense modes, Calibration Mode and Potential measurement Mode(s) as Standard. 

The keys to the system are the Methods which can be performed. Methods include "Full Auto" for automatic end point detection and "End Level" for pre-set end-point level titration. pH Stat titration can be performed, and the system allows for complete control and automation of Conductivity ("V" and "L" type intersection) Methods. A Special Algorithm for ASTM D-664 and D-2896 Petroleum Neutralization Titration are also built-in. Also a few special routines are built in for Acidity, Salinity, Alkali, and Total Hardness.
The Control parameters are fully programmable and extremely flexible to accommodate the most demanding titration requirements. Full calculation control for up to 5 end points, linking of multiple titration using multiple pre-amps is possible. Amperometric and colorimetric analysis is simple with the available sealed titration cell, photometric adapter and wide range on electrode systems.

Multiple preamplifiers for different types of chemistries. The AUT-501 can incorporate up to three preamplifiers at one time for differing applications. 
These include the standard pH/mv preamp, a Photometric preamp, a conductometric preamp and an amperometric preamplifier. Add an electronic balance to automatically input weights into the memory of the system.

An Automated Sampling device for 12, 18 or 32 or 60 samples (measurement only, no titration available for 60-sample setting). This Sampler incorporates an external wash station with separate pumps for rinsing and showering of electrodes. The sampler also uses standard 200 ml tall beakers for the 12 position, 100 ml beakers for the 18 position, 50 ml tall beakers for the 36 position and 20 ml tall beakers for the 60 position sampler tray. The sampler can also be used independently of the main titrator via its RS232 control (Option). The system has a number of predefined wash and rinse sequences and has adjustable time controls built in.

The AUT-501 includes a standard bi-directional RS232 interface for complete control and output of the system parameters and results.