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Model：
HD-RY100L
Introduction：
Portable Trace Dissolved Oxygen Meter measures ppb-level dissolved oxygen in water and gas based on Clark electrode technology. Widely used for power plant and boiler water testing and semiconductor ultrapure water trace oxygen detection....
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Based on Clark electrode technology, the instrument is designed specifically for measuring trace-level (ppb) oxygen concentrations in water and gases.
Detection and analysis of low-concentration dissolved oxygen in power plants and boiler feedwater, and trace oxygen measurement in semiconductor ultrapure water.
1. High accuracy and sensitivity: detection limit down to 0.01 μg/L with a resolution of 0.01 μg/L.
2. Fast response and measurement: typically only 3 minutes from air-level oxygen concentration to the μg/L level.
3. Simplest operation and calibration: measurement starts immediately after power-on, with no long electrode polarisation.
4. Long-life electrode: the extended service life reduces the cost of frequent electrode replacement.
5. Long maintenance interval and low-cost consumables: routine electrode maintenance every 6–8 months, simple and convenient.
6. Low power consumption and long operating time: dry-battery supply gives up to 1,500 hours of continuous operation.
7. High protection class and user-friendly design: fully waterproof body, magnetic attachment, light and convenient.
| Parameter | RY100 | RY100M | RY100L |
|---|---|---|---|
| Measuring range | 0.01 μg/L – 20.00 mg/L | 0.1 μg/L – 20.00 mg/L | 1 μg/L – 20.00 mg/L |
| Resolution | 0.01 μg/L | 0.1 μg/L | 1 μg/L |
| Error | ±1% FS or ±0.50 μg/L (whichever is greater) | ±1.5% FS or ±1.0 μg/L (whichever is greater) | ±2% FS or ±2 μg/L (whichever is greater) |
| Response time | < 15 s | < 20 s | < 30 s |
| Temperature sensor | NTC thermistor; accuracy 0.1 °C | ||
| Sample flow | 150–500 mL/min | ||
| Compensation | Automatic temperature compensation (0–50 °C); manual entry of atmospheric pressure and salinity supported | ||
| Power supply | Four #7 alkaline batteries (built in) | ||
| Battery life | More than 1,500 hours of continuous operation | ||
| Protection class | Instrument IP67; probe IP68 | ||
| Dimensions | 164 (L) × 75 (W) × 17 (H) mm | ||
| Weight | 300 g (including flow cell) | ||
| Storage and transport environment | 0–45 °C; relative humidity ≤ 90% | ||
| Test conditions | Sample temperature 0–50 °C | ||
Model HD-RY100L corresponds to the RY100L column above; the other columns are listed for model comparison.
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