This is a Eutech Instruments polarographic DO controller. Please refer to the technical specifications in the listing for more information.
We have inspected this item and we do not have the capability to fully test it. This unit needs to be hardwired and should be installed by a professional. It appears to be missing some hardware. There are some cosmetic scuffs and scratches throughout the unit. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Polarographic DO Controller |
| Voltage | 80-250V |
| Min Dissolved Oxygen | 0 mg/L (ppm) |
| Max Dissolved Oxygen | 20 mg/L (ppm) |