| Customization: | Available |
|---|---|
| After-sales Service: | Online Technical Support |
| Warranty: | 1 Year |
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Features:
1. 1 or 2 points calibration using the air-saturated water or zero oxygen solution.
2. Salinity and barometric pressure compensations eliminate the measurement error.
3. Automatic temperature compensation ensures accurate readings over the entire range.
4. Auto-Read function senses and locks the measurement endpoint.
5. Auto-Power Off effectively conserves battery life.
6. Setup menu allows setting the number of calibration points, resolution, temperature unit, concentration unit, stability criteria, date and time, etc.
7. Reset function automatically resumes all settings back to the factory defaults.
8. Expanded memory stores or recalls up to 500 data sets.
9. USB communication interface for data transfer or connecting a power adapter to meter.
Accessories:
DO100 dissolved oxygen electrode, electrolyte solution, membrane cap and carrying case.
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Model |
PH-820 |
PH-821 |
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DO |
Range |
0.00~20.00mg/L, 0.0~200.0% saturation |
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Accuracy |
±0.5mg/L, ±2.0% |
±0.2mg/L, ±2.0% |
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Resolution |
0.01mg/L, 0.1% |
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Other Specifications |
Calibration Points |
1 or 2 points |
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Temperature Compensation |
0~50°C/32~122°F, automatic |
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Barometric Pressure Correction |
60.0~112.5kPa/450~850mmHg, manual |
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Salinity Correction |
0.0~50.0g/L, manual |
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Stability Criteria |
/ |
Low or high |
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Calibration Due Alarm |
/ |
1 to 31 days or off |
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Hold Function |
Manual or auto-endpoint |
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Auto-Off |
30 minutes after last key pressed |
10, 20 or 30 minutes after last key pressed |
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Memory |
100 data sets |
500 data sets |
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Communication Interface |
USB |
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Connector |
6-pin mini-DIN |
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Display |
Custom LCD(80*60mm) |
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Power Requirements |
3*1.5V AA batteries or DC5V power adapter |
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Dimensions(mm) |
170*85*30mm |
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Weight(kg) |
300g |
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Package Size(W*D*H)mm |
475*155*350mm |
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Gross Weight(kg) |
1.7kg |
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