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Ohaus Portable Dissolved Oxygen Analysis Meter with Optical Technology
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DOPortableOptical
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The Low-Maintenance Dissolved Oxygen (DO) Meter with Optical Technology for Accurate Measurements
- Optical or Luminescent DO Probe allows for minimal maintenance and permits for immediate measurement reading without the need for warm up time or any sample preparation
- Large bright backlit LCD screen provides easy to read results even low light areas with 5 dedicated manual keys the delivers simple straightforward operation for all operators via a simple calibration process and accurate measurements
- With a meter stand, wrist strap for secure field use and IP54 housing, Starter 400D is durable and prepared for versatile use
| Model | ST400D-G | ST400D-F | ST400D-B |
| Measurement Range | 0.00 – 20.0 mg/L(ppm); | 0.00 – 20.0 mg/L(ppm); | 0.00 – 20.0 mg/L(ppm); |
| 0 – 50 °C | 0 – 50 °C | 0 – 50 °C | |
| Measurement Resolution | 0.01 mg/L; | 0.01 mg/L; | 0.01 mg/L; |
| 0.1 °C; | 0.1 °C; | 0.1 °C; | |
| 0.10% | 0.10% | 0.10% | |
| Calibration | 2 Point | 2 Point | 2 Point |
| Temperature Compensation | Automatic | Automatic | Automatic |
| Display | Color LCD Graphics | Color LCD Graphics | Color LCD Graphics |
| 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) |
| Electrode | STDO21 (Included) | STDO21 (Included) | STDO21 (Available as an Accessory) |
| Accuracy | ±0.2 mg/L(<8 mg/L) or ±0.3 mg/L(8~20 mg/L); ±0.3 °C | ±0.2 mg/L(<8 mg/L) or ±0.3 mg/L(8~20 mg/L); ±0.3 °C | ±0.2 mg/L(<8 mg/L) or ±0.3 mg/L(8~20 mg/L); ±0.3 °C |
| Parameter | Dissolved Oxygen | Dissolved Oxygen | Dissolved Oxygen |
| Carry Bag Included | Yes | No | No |
| Battery Life | 12 hours with Disposable Batteries | 12 hours with Disposable Batteries | 12 hours with Disposable Batteries |
| Power | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) |
| Temperature Sensor | 10 KΩ NTC | 10 KΩ NTC | 10 KΩ NTC |
| In-use cover | No | No | No |
| 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) | 150.0 mm (5.91 in) | 150.0 mm (5.91 in) | 150.0 mm (5.91 in) |
| Temperature resolution | 0.1 °C | 0.1 °C | 0.1 °C |
| Accuracy DO | 0.2 ppm | 0.2 ppm | 0.2 ppm |
| Resolution (DO) | 0.01 | 0.01 | 0.01 |
| Accuracy ± (Temperature) | 0.3 °C | 0.3 °C | 0.3 °C |
| Measurement Range DO (%) (ppm) | 0 ppm – 20 ppm | 0 ppm – 20 ppm | 0 ppm – 20 ppm |
| Measurement Range (Temperature) | 0 °C – 50 °C | 0 °C – 50 °C | 0 °C – 50 °C |
