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
Dissolved oxygen (DO) measurement
Display
Backlit Color Liquid Crystal Display (LCD)
Operation
4 AAA batteries (included)
Communication
N/A
Construction
ABS Housing
Design Features
99 measurement memory, last calibration data recall, auto barometric pressure measurement, auto temperature compensation with manual salinity compensation
Optical DO probe requires minimal maintenance and offers immediate measurement readings. No warm up or sample preparation needed.
Large backlit LCD screen provides easy to read results - even in low light environments. Ideal for secure field use with a meter stand, wrist strap and durable IP54 housing.
The 99-measurement library stores data for future reference and allows for easy one-touch recall of the last calibration data.
| 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 with ST400D, ST400D-G) |
| 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) (HxLxW) |
| 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) |
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