Measuring and control transmitter for panel installation in a Noryl® resin enclosure (front IP 54). Sensors: Connections for the amperometric oxygen sensor Swansensor Oxytrace G with integrated NT5k temperature probe and guard electrode, and for a digital sample flow meter. Measuring range: • 0.01 ppb to 20 ppm • 0 to 200 % saturation • Automatic compensation of temperature and atmospheric pressure User interface: • Big backlit LC display for measuring value, sample temperature, sample flow and operating status • Easy user menus in English, Chinese, German, French and Spanish. Simple programming of all parameters by keypad • Data logger for 3’500 data records stored at a selectable interval Connections: • 2 signal outputs (0/4 - 20 mA) for measured values or continuous control • 2 potential-free contacts as limit switches or as controllers, configuration normally open • 1 potential-free alarm contact as summary alarm indication, selection NC (normally open) or NO (normally closed) via terminal • 1 input for potential-free contact for hold or remote-off function • 1 serial interface RS232 (for logger/history download and firmware updates via optional USB converter) • All in- and outputs protected against overvoltages. Communication Options: • Profibus DP / Modbus RTU interface or • HART interface or • USB interface (for data logging and firmware updates) Power Supply: • AC version: 100 - 240 VAC (+/- 10 %), 50/60 Hz (+/- 5 %) • DC version: 10 - 36 VDC Dimensions: 96 x 96 x 85 mm (DIN 43700)