Mercury use in our products 
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Portable analyzers
Portable dissolved oxygen meter
DO-31P
- Adopts a diaphragm type electrode method.
- Compatible with DO electrodes for furan bottles and DO electrodes with no flow velocity (each option)
- Power-saving design, rechargeable battery can also be used.
- Waterproof structure (IP67; 1 m, can be immersed for 30 minutes)
- (Excluding DO electrode for furan bottle)
- Data memory function (1000 data)
0 - 20.00 mg / L (0 --50.0 mg / L)
0 - 200% (0-500%)
* When using a high-concentration diaphragm set (optional)
0-50 ℃
