Abstract
A mini-computer processed semi-automatic titrator equipped with an analogue scanner, a digital voltmeter and a 16-bit relay register is described. The scanner has 100 channels available for input voltages and the voltmeter can measure signals in the range 0–100 V at a maximum rate of 20 readings sec −1. The relay register can be used to process simultaneously a maximum of 16 motor-driven syringe burets independently of each other. The titrator can be programmed in Assembler, Fortran and Basic. A major principle behind the design of the titrator is simplicity in programming, and this is achieved by the use of Basic callable subroutines to all peripheral equipment e. g. scanner, voltmeter and relay register. The titrator is therefore especially suitable for use in the research analytical laboratory.
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