Back to Top
Ohaus Portable Dissolved Oxygen Analysis Meter
SKU
DOPortable
$0.00
Convenient Portable Dissolved Oxygen Meter for Wherever Your Work Takes You
- The galvanic electrode can be used immediately after being powered on without the wait time typically associated with dissolved oxygen meters
- With a simple calibration process, quick delivery of measurements and automatic temperature compensation, Starter 300D is both easy-to-use and accurate.
- The automatic or manual endpoints allow the user to easily recall the last calibration data and stored information with one quick touch.
Model | ST300D | ST300D-B | ST300D-G |
Measurement Range | 0.00 – 19.99; | 0.00 – 19.99; | 0.00 – 19.99; |
20.0 – 45.0 mg/L; | 20.0 – 45.0 mg/L; | 20.0 – 45.0 mg/L; | |
200 – 400%; | 200 – 400%; | 200 – 400%; | |
0 – 50 °C | 0 – 50 °C | 0 – 50 °C | |
Measurement Resolution | 0.1 mg/L; | 0.1 mg/L; | 0.1 mg/L; |
1 mg/L; | 1 mg/L; | 1 mg/L; | |
0.1%; | 0.1%; | 0.1%; | |
1%; | 1%; | 1%; | |
0.1 °C; | 0.1 °C; | 0.1 °C; | |
0.1 ppm; | 0.1 ppm; | 0.1 ppm; | |
1 ppm | 1 ppm | 1 ppm | |
Calibration | 2 Point | 2 Point | 2 Point |
Temperature Compensation | Yes | Yes | Automatic |
Display | LCD | LCD | LCD |
Working Environment | 5°C – 40°C, 80%RH, non-condensing | 5°C – 40°C, 80%RH, non-condensing | 5°C – 40°C, 80%RH, non-condensing |
Working Environment | 41°F – 104°F, 80%RH, non-condensing | 41°F – 104°F, 80%RH, non-condensing | 41°F – 104°F, 80%RH, non-condensing |
Net Weight | 0.16 kg (0.35 lb) | 0.16 kg (0.35 lb) | 0.16 kg (0.35 lb) |
Measurement Range DO (%) (ppm) | 0 % – 200 % ; | 0 % – 200 % ; | 0 % – 200 % ; |
200 % – 400 % ; | 200 % – 400 % ; | 200 % – 400 % ; | |
0 ppm – 20 ppm ; | 0 ppm – 20 ppm ; | 0 ppm – 20 ppm ; | |
20 ppm – 45 ppm | 20 ppm – 45 ppm | 20 ppm – 45 ppm | |
Resolution (DO) | 0.01; | 0.01; | 0.01; |
0.1 | 0.1 | 0.1 | |
Measurement Range (Temperature) | 0 °C – 50 °C | 0 °C – 50 °C | 0 °C – 50 °C |
Electrode | STDO11 (Included); | STDO11 (Available as an Accessory); | STDO11 (Included); |
STTEMP30 (Included) | STTEMP30 (Available as an Accessory) | STTEMP30 (Included) | |
Accuracy | ± 0.3 mg/L; | ± 0.3 mg/L; | ± 0.3 mg/L; |
± 1%; | ± 1%; | ± 1%; | |
±0.3 °C | ±0.3 °C | ±0.3 °C | |
Temperature resolution | 0.1 °C | 0.1 °C | 0.1 °C |
Parameter | Dissolved Oxygen | Dissolved Oxygen | Dissolved Oxygen |
Carry Bag Included | No | No | Yes |
Battery Life | 250 Hours with Disposable Batteries | 250 Hours with Disposable Batteries | 250 Hours with Disposable Batteries |
Power | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) |
Temperature Sensor | 30 KΩ NTC | 30 KΩ NTC | 30 KΩ NTC |
In-use cover | No | No | No |
Accuracy DO | 1% | 1% | 1% |
Dimensions (Height) | 35.0 mm (1.38 in) | 35.0 mm (1.38 in) | 35.0 mm (1.38 in) |
Dimensions (Width) | 90.0 mm (3.54 in) | 90.0 mm (3.54 in) | 90.0 mm (3.54 in) |
Dimensions (Length) | 170.0 mm (6.69 in) | 170.0 mm (6.69 in) | 170.0 mm (6.69 in) |
Resolution Range (DO) | 0 – 19.9 ; | 0 – 19.9 ; | 0 – 19.9 ; |
20 – 45 | 20 – 45 | 20 – 45 | |
Accuracy ± (Temperature) | 0.3 °C | 0.3 °C | 0.3 °C |