Ohaus® Starter 400D Portable DO Meters
| Image | SKU | Description | Included | Measurement Resolution | Measurement Accuracy | Measurement Range | Quantity | Price | Add to Cart |
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30378543 | Ohaus® ST400D Portable DO Meter | STDO21 electrode | 0.01 mg/L; 0.1 ° C; 0.1% | ± 0.2 mg/L(<8 mg/L) or ± 0.3 mg/L(8~20 mg/L); ± 0.3 ° C | 0.00 to 20.0 mg/L(ppm); 0 to 50 ° C | 1 Each |
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30378542 | Ohaus® ST400D-G Portable DO Meter | STDO21 electrode, Carry case | 0.01 mg/L; 0.1 ° C; 0.1% | ± 0.2 mg/L(<8 mg/L) or ± 0.3 mg/L(8~20 mg/L); ± 0.3 ° C | 0.00 to 20.0 mg/L(ppm); 0 to 50 ° C | 1 Each |
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30378541 | Ohaus® ST400D-B Portable DO Meter | - | 0.01 mg/L; 0.1 ° C; 0.1% | ± 0.2 mg/L(<8 mg/L) or ± 0.3 mg/L(8~20 mg/L); ± 0.3 ° C | 0.00 to 20.0 mg/L(ppm); 0 to 50 ° C | 1 Each |
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Description
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.
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
Applications
Field and lab Dissolved Oxygen measurement
Display
Backlit Color Liquid Crystal Display (LCD)
Operation
4 AAA batteries (included)
Communication
NA
Construction
ABS Housing
Design Features
99 measurement memory, last calibration data recall, auto barometric pressure measurement, auto temperature compensation with manual salinity compensation
Specifications
| Model | ST400D | ST400D-B | ST400D-G |
| Part # | 30378543 | 30378541 | 30378542 |
| Measurement Range | 0.00 - 20.0 mg/L(ppm); 0 - 50 °C | 0.00 - 20.0 mg/L(ppm); 0 - 50 °C | 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 | ±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 |
| Measurement Resolution | 0.01 mg/L; 0.1 °C; 0.1% | 0.01 mg/L; 0.1 °C; 0.1% | 0.01 mg/L; 0.1 °C; 0.1% |
| Display | Color LCD Graphics | Color LCD Graphics | Color LCD Graphics |
| Electrode | STDO21 (Included) | STDO21 (Availabe as product) | STDO21 (Included) |
| Accuracy DO | 0.2 ppm | 0.2 ppm | 0.2 ppm |
| Accuracy ± (Temperature) | 0.3 °C | 0.3 °C | 0.3 °C |
| Battery Life | 12 hours with Disposable Batteries | 12 hours with Disposable Batteries | 12 hours with Disposable Batteries |
| Calibration | 2 Point | 2 Point | 2 Point |
| In-use cover | No | No | No |
| Measurement Range DO | 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 |
| Net Weight | 0.35 lb (0.16 kg) | 0.35 lb (0.16 kg) | 0.35 lb (0.16 kg) |
| Parameter | Dissolved Oxygen | Dissolved Oxygen | Dissolved Oxygen |
| Power | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) | 4 AAA (LR03) Batteries (Included) |
| Resolution (DO) | 0.01 | 0.01 | 0.01 |
| Temperature Compensation | Automatic | Automatic | Automatic |
| Temperature resolution | 0.1 °C | 0.1 °C | 0.1 °C |
| Temperature Sensor | 10 KΩ NTC | 10 KΩ NTC | 10 KΩ NTC |
| Working Environment | 41°F - 104°F, 80%RH, non-condensing (5°C - 40°C, 80%RH, non-condensing) | 41°F - 104°F, 80%RH, non-condensing (5°C - 40°C, 80%RH, non-condensing) | 41°F - 104°F, 80%RH, non-condensing (5°C - 40°C, 80%RH, non-condensing) |
