AZ Instrument 86023 Handheld Optical Dissolved Oxygen Meter (0.0 ~ 199.9% (0.0 ~ 20.0 mg/L))

Dissolved Oxygen range: 0.0 ~ 199.9% (0.0 ~ 20.0 mg/L)

Accuracy: ±3% of FS +1 digit

Resolution: 0.1

Temperature range: -5°C ~ 60°C

Accuracy: ±0.5℃

Temperature resolution: 0.1

LCD size (mm): 32.5 mm (H) × 54 mm (W)

Operating temperature & humidity: 0°C ~ 50°C; Humidity < 80%

Storage temperature & humidity: 0°C ~ 60°C; Humidity < 90%

Dimensions: 169 mm × 78.3 mm × 43.4 mm

Weight: 200 g

Power supply: 4 × AAA batteries