Key features:
1.Optical technology; no need for electrolyte and membrane changes
2.Short response time and excellent long-term stability
3.Applicable for a wide range of concentrations and temperatures
4.Highly accurate and virtually maintenance-free
5.Sturdy aluminum housing (ip 65)

Key specifications:
1.Liquid phase measuring range: i) 1 ppb â?? 2 ppm or ii) 30 ppb â?? 35 ppm
2.Liquid phase accuracy : i) â± 1 ppb or ii) â± 30 ppb
3.Gas phase measuring range: i) 0 â?? 4.2 % o2 or ii) 0 â?? 50 % o2
4.Gas phase accuracy: i) â± 0.002 % o2 or ii) â± 0.03 % o2
5.Response time: t90 â?¤ 10 s
6.Material: 1.4404/aisi 316l, silicone (fda), ptfe (fda)
7.Datalogging: manual and automatic with a logging time of 5 to 600 seconds; approx. 5, 000 measurement values; pc software and usb-interface
8.Power supply: battery operated