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Lab Expo Pocket Dissolved Oxygen Tester 25-PDO100 is equipped with polarographic sensor to measure dissolved oxygen content. The system menu of dissolved oxygen meter can set 6 parameters which includes the number of calibration points, temperature units etc. It can measure the dissolved oxygen content present in water, waste water, other liquids & solutions.
$1,858.00 $ 1548
| Dissolved oxygen range | 0.0 to 20.0 mg/L (or ppm) |
| Dissolved oxygen accuracy | ± 0.5 mg/L |
| % of saturation of oxygen | 0.0 to 200.0% |
| Sensor type | Polarographic dissolved oxygen probe |
| % Saturation of oxygen accuracy | ± 10 % F.S. |
| Temperature compensation range | 0 °C to 40 °C, 32 °F to 104 °F |
| Barometric pressure correction | 60.0 to 112.5 kPa, 450 to 850 mmHg |
| Salinity correction | 0 to 35 g/L |
| Data hold function | Manual or automatic |
| Power off | Manual or automatic (8 minute after last key is pressed) |
| Reset function | Yes |
| Connector | 6 pin mini plug |
| Battery life | Approximately 150 hours |
| Dimension (L × Dia.) | 175 × 40 mm |
| Weight | 100 g |
Function Implementation Water quality labs 0.0 to 20.0 mg/L DO range measures dissolved oxygen in samples Field testing sites Battery life of 150 hours supports extended portable use Wastewater analysis Temperature compensation from 0 °C to 40 °C ensures accurate readings Environmental monitoring Barometric pressure correction up to 112.5 kPa adapts to altitude changes Laboratory calibration ± 0.5 mg/L DO accuracy enables reliable validation procedures
Dissolved oxygen probe
Dissolved oxygen Electrolyte solution
Membrane cap
AAA batteries
Carrying case
Polarographic sensor
30 ml electrolyte solution per bottle
Membrane cap
Lab Expo Dissolved Oxygen Tester units are designed for measurement of oxygen concentration in water-based testing workflows. The range supports dissolved oxygen analysis from 0.0 to 20.0 mg/L with accuracy up to ±0.5 mg/L and oxygen saturation measurement from 0.0 to 200.0%. Portable tester configurations enable routine monitoring across field and lab environments. Suitable for water quality assessment, aquaculture operations, environmental testing, and process applications requiring controlled oxygen evaluation.
