| After-sales Service: | Online Technical Support |
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| Warranty: | 1 Year |
| Display: | Digital |
| Portable: | Portable |
| Appliance: | Medical Research, Biochemistry, Lab |
| Certification: | / |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Portable Dissolved Oxygen Meter
Brand:BIOBASE
Product origin:CHINA
Delivery time:Within 7 days
Supply capacity:Factory Direct Supply
Features:
*1 or 2 points calibration using the air-saturated water or zero oxygen solution.
*Salinity and barometric pressure compensations eliminate the measurement error.
*Automatic temperature compensation ensures accurate readings over the entire range.
*Auto-Read function senses and locks the measurement endpoint.
*Auto-Power Off effectively conserves battery life.
*Setup menu allows setting the number of calibration points, resolution, temperature unit, concentration unit, stability criteria, date and time, etc.
*Reset function automatically resumes all settings back to the factory defaults.
*Expanded memory stores or recalls up to 500 data sets.
*USB communication interface for data transfer or connecting a power adapter to meter.
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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 |
0.01 mg/L, 0.1% |
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Other Specifications |
Calibration Points |
1 or2 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 nimi-DIN |
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Display |
Custom LCD (80*60mm) |
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Power Requirements |
3x 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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We provide wood packaging and paper packaging to ensure that our products are in good condition when they reach our customers. Complete each shipment in as many ways as possible and in as little time as possible
We try our best to make good products and give customers a reassuring experience. After customers purchase products, we provide complete after-sales service to help customers easily use the products. Truly do the heart to serve customers.
Only by providing good products and good services can we win the respect of customers. To serve every customer well and make every customer have the best experience is our goal and direction of progress.
Suppliers with verified business licenses
Audited Supplier 
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