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.
Application: Dissolved oxygen (DO) measurement
Display: Backlit color liquid crystal display (LCD)
Operation: 4 AAA batteries (included)
Construction: ABS housing, wrist strap
Design Features: 99 measurement memory, last calibration data recall, auto barometric pressure measurement, auto temperature compensation with manual salinity compensation
Specifications
| Measurement Range | 0.0 to 200.0% 0.00 to 20.0mg/L (ppm) 0 to 50°C |
| Resolution | 0.1% 0.01mg/L(ppm) 0.1 °C |
| Barometric Range | 50.0 to 115.0kPa |
| Barometric Resolution | 0.1kPa |
| Accuracy | ±0.2 mg/L (<8mg/L) ±0.3 mg/L (8 to 20mg/L) ±0.3°C ±1.5kPa |
| Calibration | 1 or 2 Points |
| Display | Backlit Color Liquid Crystal |
| Memory | 99 Measurements, Last Calibration Data |
| Input | Mini-DIN |
| Temperature Compensation | ATC |
| Salinity Compensation | 0.0 to 40.0ppt |
| Construction | ABS |
| Power Supply | 4 AAA (LR03) Batteries (12 Working Hours) |
| Dimensions (WxDxH) | 3.5″ x 6″ x 1.4″ / 9 x 15 x 3.5cm |
| Net Weight | 1.5lb / 0.68kg |
Packages
| ITEM NO. | DESCRIPTION |
| ST400D-B | Starter 400D Dissolved Oxygen Portable Meter with IP54 Sets, Electrode Clip, Wrist Strap and 4 AAA Batteries (Probe Not Included) |
| ST400D | ST400D-B with STDO21 Optical DO Probe |
| ST400D-G | ST400D-B with STDO21 Optical DO Probe & Portable Bag |





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