Theta controls supplies paperless recorders. The vr 18 is a paperless recorder that displays real time measured data on a colour lcd and saves data on a compact flash card. It can be hooked up to network via ethernet, which enables to inform bye-mail and to monitor on website. It comes with maximum eighteen channels. As the input signal, a dc voltage, thermocouple, resistance temperature detector, or contact signal can be set to each channel. The observer software allows a pc to display waveforms on its screen and to print out waveforms. Features user configurable i/o card; expandable modular architecture; flexible screen configuration; vertical trend, horizontal trend, bar graph, numerical or mixed; communication: standard ethernet and optional rs-232/422/485; highest accuracy: 18 bit a-d analogue input, 15 bit d-a analogue output; sampling rate is within 200 msec for all channels; programmable filter or moving average sampling method; statistics with instant, average, min/max values; programmable alarms and messages available; etc.
