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Universal measurement module
A low cost, universal measurement module, destined for use in a computer-controlled system. The device is based on 6-channel DC voltmeter (2.5V or 5V range, 10 bits resolution). Communication with the host computer over an USB or RS232 interface. The device can be used as a meter or a data logger. Modular design allows the device to be easily adapted for measuring a wide range of electrical and non-electrical parameters, by appropriate adaptation of the input circuitry. Optoisolated computer communication interface minimizes the noise floor and allows the device to be used with the common electrode on the potential of up to 1kV with respect to the ground, without the danger of damaging the computer. Short acquisition time (0.12 ms per channel) and a wide selection of trigger modes (internal clock, computer generated signal, external trigger input) enable cheap implementation of complicated measurement setups.
