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Apera DO850 Handheld DO Meter
$2,681.25
Advanced fluorescence based optical sensor:
- No oxygen consumption, stable display in both static water and dynamic water
- Simple to use, No need to warm-up or frequently calibrate
- Maintenance free, No electrode membranes or electrolyte, service life of fluoresence cap >8000 hours
- Oxygen cap head has lightproof coating and is not affected by light and chemicals
- Equipped with electrode calibration sheath, for easy storage and calibration
Availability: In Stock
SKU
ST-DO850
Specifications:
| Measuring Range | 0-200%; 0-20.0mg/L |
| Resolution | 1%, 0.1mg/L (ppm) |
| Accuracy | ±0.1 mg/L (0~8mg/L); ±0.2 mg/L (8~20mg/L) |
| Calibration Point | Zero oxygen & oxygen saturation |
| Temp. Compensation | Automatic |
| Air-pressure Compensation | Automatic |
| Salinity Compensation | Manual |
| Measuring Range | 0 ~ 50.0℃ |
| Resolution | 0.1 ℃ |
| Accuracy | ±0.5℃ |
| Reading Stability Display | Yes |
| Auto lock on | Yes |
| Display | Backlit LCD |
| IP Rating | IP57 |
| Power | AA Batteries x 3 |
| Battery life | > 200 hours |
Kit Contents
- DO10 Meter
- DO electrode (3m)
- Calibration Sheath & Carry Case
The main reasons why an Optical DO sensor is a better choice for measuring dissolved oxygen
- Stability, sensitivity, speed of response, accuracy in low DO conditions and minimal maintenance requirements.
- Oxygen is not consumed as part of an electrochemical reaction and optical sensors do not require sample flow or stirring for accurate readings.
- Results demonstrated excellent correlation between the optical sensor and the Winkler titration method.
- Optical sensors respond faster than membrane-based sensors to changing temperature and DO
- Readings are stable and drift is minimal over long-term deployments.
- Durable sensing element offers a longer operational life than an oxygen-permeable membrane.
- Maintenance and calibration requirements are drastically reduced, minimizing site visits and operational costs.
- Material costs are reduced. Clark-cell sensors require frequent replacement of membranes and filling solution. The optical sensor Cap is replaced annually.
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