JFE RINKO W DO logger with wiper for long-term measurements

Data logger 

Model: AROW2-USB

Memory medium: 1 GB micro SD card

Battery: CR-V3 3.3 Ah Lithium battery (maximum 4 batteries) 

Communication: USB 2.0 (ver. 1.1 compatible)

A/D conversion: 16 bit digital conversion

Measurement mode: Continuous mode, burst mode

Sampling interval: 0.5 to 1 s (0.1 s increment)

   1 to 600 s (1 s increment)

Burst sampling interval: 1 to 1.440 min

Number of samples per burst: 1 to 18.000 samples

Power consumption: 120 mA

Dimensions: Φ70 × 232 mm

Weight: Approx. 1.2 kg in air, 0.6 kg in water

Depth rating: 200 m depth equivalent

Materials: Titanium (grade 2)

Cable type 

Model: AROW2-CAR/CAD

Operating voltage:  DC 12 to 24 V

Communication: CAR: RS-232C, CAD: RS-485

A/D conversion: 16 bit digital conversion

Power consumption: 40 mA

Dimensions: Φ70 × 173 mm (connector not included)

Weight: Approx. 1.0 kg in air, 0.5 kg in water

Depth rating: 200 m depth equivalent

Materials: Titanium (grade 2)

Sensor specifications

Model: AROW2-USB/CAR/CAD

Parameter: DO

Principle: Phosphorescence

Range: 0 to 200%

Resolution: 0.01 to 0.04%

Accuracy: Non-linearity ±2% FS (at 1 atm, 25 °C )

Parameter: Temperature

Principle: Thermistor

Range: -3 to 45 °C

Resolution: 0.001 °C

Accuracy: ±0.02 °C (3 to 31 °C)