Transmitter AMU-II Oxytrace

The AMU-II Oxytrace transmitter continuously measures trace concentrations of dissolved oxygen in power plant, industrial, and ultrapure water cycles. Its DIN 43700-compliant housing allows easy control panel integration, and the IP54-protected Noryl® case ensures durability. Factory-tested and calibrated, it offers uniform menu navigation for simple operation and maintenance, delivering reliable, ready-to-use performance.

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)