Portable Dissolved Oxygen Meter
Accessories：
DO100 dissolved oxygen electrode, electrolyte solution, membrane cap and carrying case.
Technical Parameters:
| Model |
PH-820 |
PH-821 |
| DO |
Range |
0.00~20.00mg/L, 0.0~200.0% saturation |
| Accuracy |
±0.5mg/L, ±2.0% |
±0.2mg/L, ±2.0% |
| Resolution |
0.01 mg/L, 0.1% |
| Other Specifications |
Calibration Points |
1 or2 points |
| Temperature Compensation |
0~50°C/32~122°F, automatic |
| Barometric Pressure Correction |
60.0~112.5kPa/450~850mmHg, manual |
| Salinity Correction |
0.0~50.0g/L, manual |
| Stability Criteria |
/ |
Low or high |
| Calibration Due Alarm |
/ |
1 to 31 days or off |
| Hold Function |
Manual or auto-endpoint |
| Auto-Off |
30 minutes after last key pressed |
10, 20 or 30 minutes after last
key pressed
|
| Memory |
100 data sets |
500 data sets |
| Communication Interface |
USB |
| Connector |
6-pin nimi-DIN |
| Display |
Custom LCD (80*60mm) |
| Power Requirements |
3x 1.5V AA batteries or DC5V power adapter |
| Dimensions(mm) |
170*85*30mm |
| Weight(kg) |
300g |
| Package Size(W*D*H)mm |
475*155*350mm |
| Gross weight(kg) |
1.7kg |
