เครื่องวัดปริมาณออกซิเจนที่ละลายในน้ำ (Portable Dissolved Oxygen Meter) ST300D Ohaus

Measurement Range 20.0 – 45.0 mg/L; 0.00 – 19.99; 200 – 400%; 0 – 50°C

Measurement Resolution 0.1%; 1%; 1 mg/L; 0.1 °C; 0.1 ppm; 1 ppm; 0.1 mg/L

Accuracy ± 1%; ± 0.3 mg/L; ±0.3 °C

Display LCD

Electrode STTEMP30 (Included); STDO11 (Included)

Accuracy DO 1 %

Accuracy ± (Temperature) 0.3 °C

Battery Life 250 Hours with Disposable Batteries

Calibration 2 Point

Dimensions 6.69 in x 1.38 in x 3.54 in (170 mm x 35 mm x 90 mm) (LxHxW)

In-Use Cover No

Measurement Range DO 0 % – 200 % ; 200 % – 400 % ; 0 ppm – 20 ppm ; 20 ppm – 45 ppm

Measurement Range (Temperature) 0 °C – 50 °C

Net Weight 0.35 lb (0.16 kg)

Parameter Dissolved Oxygen

Power 4 AAA (LR03) Batteries (Included)

Resolution (DO) 0.01; 0.1

Resolution Range (DO) 0 – 19.9 ; 20 – 45

Temperature compensation Yes

Temperature resolution 0.1 °C

Temperature Sensor 30 KΩ NTC

Working Environment 41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

Warranty 1 year Probe 6 months

Product from OHAUS / USA