Optical DO sensor with wiper

The RINKO W is an autonomously deployable data logger for long-term DO measurements. In order to protect the sensing foil against accumulating bio-fouling, the instrument has a mechanical wiper to sweep the optical window.

相關paper

1. Nishino S., Kikuchi T., Fujiwara A., Hirawake T., Aoyama M., (2016) Water mass characteristics and their temporal changes in a biological hotspot in the southern Chukchi Sea, Biogeosciences, 13, 2563 – 2578. DOI: 10.5194/bg-13-2563-2016
2. Senbokuya K., Kobayashi S., Ookei N. et al. (2019) Impact of nighttime hypoxia on ark shell Scapharca broughtonii mortality on a semi-enclosed embayment seabed. Fisheries Science, 85, 369 – 377. DOI: 10.1007/s12562-018-01284-x
3. Yamamoto-Kawai M., Mifune T., Kikuchi T., Nishino S. (2016) Seasonal variation of CaCO3 saturation state in bottom water of a biological hotspot in the Chukchi Sea, Arctic Ocean, Biogeosciences, 13, 6155 – 6169. DOI: 10.5194/bg-13-6155-2016

Parameter	Temperature	Dissolved Oxygen
Range	-3~45℃	Air saturation: 0~200%
Accuracy(1)	±0.02℃	±2% FS
Power Consumption	<40 mA(at 12 VDC)

⁽¹⁾ at 25℃, typical