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Ohaus ST400D-B Optical Portable Dissolved Oxygen Meter with Temperature Compensation
Product Description
Ohaus ST400D-B DO Meter (Part #30378541)
- Measurement Range: 0.00 – 20.0 mg/L (ppm) dissolved oxygen; 0 – 50 °C temperature
- Accuracy: ±0.2 mg/L (<8 mg/L DO) or ±0.3 mg/L (8–20 mg/L DO); temperature ±0.3 °C
- Resolution: 0.01 mg/L DO; 0.1 °C temperature; 0.1% DO saturation
- Display: Color LCD graphics
- Electrode: STDO21 galvanic electrode (available separately), ready-to-use on power-up
- Calibration: 2-point calibration, automatic or manual endpoints, stores last calibration data
- Battery: Powered by 4 AAA (LR03) disposable batteries, approx. 12 hrs operation
- Dimensions: 35 mm x 150 mm x 90 mm (HxLxW)
- Weight: 0.16 kg (0.35 lb)
- Temperature Compensation: Automatic with 10 KΩ NTC sensor
- Operating Environment: 5°C–40°C (41°F–104°F), 80% RH non-condensing
- Features:
- Immediate use upon power on, no warm-up required
- Easy-to-use with quick measurements and simple calibration
- Portable, low-maintenance optical dissolved oxygen analyzer suitable for lab and field measurements
Item Stats
Product details
| 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 (Availabe as product) |
| Accuracy DO | 0.2 ppm |
| Accuracy ± (Temperature) | 0.3 °C |
| Battery Life | 12 hours with Disposable Batteries |
| Calibration | 2 Point |
| Dimensions (HxLxW) | 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) |
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