The D-Opto range of optical dissolved oxygen sensors from Zebra-Tech Ltd. includes the SDI-12 D-Opto. The instrument has been designed for long-term environmental monitoring of dissolved oxygen in ground water. D-Opto has no consumable replacements and is unaffected by sunlight. Designed for harsh conditions, the instrument features a biofouling control system to minimize the build up of bio-growth. It has a very low power requirement, making it suitable for remote sites. Said to easily integrate with dataloggers, the instrument is supplied with a small interface module to ease installation into an established logging system.

Zebra-Tech Ltd., Card No. 58