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Dissolved Oxygen
Sensor TypeOptical
Measurement Range0 to 30 mg/L
Calibrated Range0 to 20 mg/L; 0 to 35°C (32 to 95°F)
Accuracy0.2 mg/L up to 8 mg/L; 0.5 mg/L from 8 to 20 mg/L
Resolution0.02 mg/L
Response TimeTo 90% in less than 2 minutes
DO Sensor Cap Life6 months, cap expires 7 months after initialization
Temperature Measurement/Operating Range-5 to 40°C (23 to 104°F); non-Freezing
Temperature Accuracy0.2°C (0.36°F)
Temperature Resolution0.02°C (0.04°F)
Response TimeTo 90% in less than 30 minutes
Memory21,700 sets of DO and temperature measurements (64 KB total memory)
Logging Rate1 minute to 18 hours
Time Accuracy±1 minute per month at 0 to 50°C (32 to 122°F)
Battery3.6 V lithium battery; factory replaceable
Battery Life3 years (at 5 minute logging)
Download TypeOptical
Depth Rating100 m (328 ft)
Wetted MaterialsBlack Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use
Size39.6 mm diameter x 266.7 mm length (1.56 x 10.5 inches)
Weight464 g (16.37 oz)
Description: ceThe CE Marking identifies this product as complying with all relevant directives in the European Union (EU).