Onset U26-001 Dissolved Oxygen Data Logger (0 ~ 30 mg / L)

Dissolved Oxygen

Sensor Type: Optical

Measurement Range: 0 to 30 mg/L

Calibrated Range: 0 to 20 mg/L; 0 to 35°C (32 to 95°F)

Accuracy: ± 0.2 mg/L up to 8 mg/L; ± 0.5 mg/L from 8 to 20 mg/L

Resolution: 0.02 mg/L

Response Time:To 90% in less than 2 minutes

DO Sensor Cap Life: 6 months, cap expires 7 months after initialization

Temperature

Temperature Measurement/Operating Range:-5 to 40°C (23 to 104°F); non-Freezing

Temperature Accuracy:0.2°C (0.36°F)

Temperature Resolution:0.02°C (0.04°F)

Response Time:To 90% in less than 30 minutes

Logger

Memory:21,700 sets of DO and temperature measurements (64 KB total memory)

Logging Rate:1 minute to 18 hours

Time Accuracy:±1 minute per month at 0 to 50°C (32 to 122°F)

Battery: 3.6 V lithium battery; factory replaceable

Battery Life: 3 years (at 5 minute logging)

Download Type: Optical

Depth Rating: 100 m (328 ft)

Buoyancy: Salt water: 13 g (0.46 oz) negative | Fresh water: 20 g (0.71 oz) negative

Wetted Materials: Black Delrin®, PVC, EPDM o-rings, silicone bronze screws; rated for saltwater use

Size:39.6 mm diameter x 266.7 mm length (1.56 x 10.5 inches)

Weight:272.4 g (9.61 oz)

Environmental Rating:IP68

Description: ceThe CE Marking identifies this product as complying with all relevant directives in the European

Includes:

HOBO U26-001 Dissolved Oxygen Data Logger

Dissolved oxygen sensor cap

Protective guard

Calibration boot and sponge