Description
High-Performance, Low-Maintenance Dissolved Oxygen (DO) Meter with Optical Technology for Accurate Measurements
For over a century, OHAUS has perfected the art of measurement through our line of weighing products. Taking the same approach to our weighing equipment, OHAUS now delivers Starter ST400D - a practical, affordable, low-maintenance DO Portable Meter equipped with optical technology. The ST400D is ideal for applications that require simple yet accurate DO measurements.
Applications
Field and lab Dissolved Oxygen measurement
Display
Backlit Color Liquid Crystal Display (LCD)
Operation
4 AAA batteries (included)
Construction
ABS Housing
Design Features
99 measurement memory, last calibration data recall, auto barometric pressure measurement, auto temperature compensation with manual salinity compensation
Specifications
| Measurement Range | 0.00 – 20.0 mg/L(ppm); 0 – 50 °C |
| Accuracy | ±0.2 mg/L(< 8 mg/L) or ±0.3 mg/L(8~20 mg/L); ±0.3 °C |
| Measurement Resolution | 0.01 mg/L; 0.1 °C; 0.1% |
| Display | Color LCD Graphics |
| Electrode | STDO21 (Included) |
| Accuracy DO | 0.2 ppm |
| Accuracy ± (Temperature) | 0.3 °C |
| Battery Life | 12 hours with Disposable Batteries |
| Calibration | 2 Point |
| Dimensions | 1.38 in x 5.91 in x 3.54 in (35 mm x 150 mm x 90 mm) |
| In-use cover | No |
| Measurement Range DO | 0 ppm – 20 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 |
| Temperature Compensation | Automatic |
| Temperature Resolution | 0.1 °C |
| Temperature Sensor | 10 KΩ NTC |
| Working Environment | 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing) |