Portable Water Quality Analyzer ADPWA-502 uses a 520 nm wavelength, to measure total chlorine in water samples. Its broad range allows detection of both high and low chlorine concentrations in water samples. An LED light source provides optimum illumination for accurate and reproducible measurements. With a long-lasting battery, this unit provides extended operation for maximum efficiency. Our Analyzer is versatile for use in water treatment plants and environmental monitoring, while delivering a reliable performance.
| Test Parameter | Total Chlorine |
| Measuring Range | 0.05 to 10 mg/L |
| Wavelength | 520 nm |
| Principle | N, N-diethyl-1,4-phenylenediamine spectrophotometric method |
| Accuracy | <1.0 mg/L, ≤±0.05mg/L, ≥1.0 mg/L, ≤±5% |
| Light Source | LED light emitting diode |
| Battery Life | More than 24 hours (without shutdown) |
| Dimension (L×W×H) | 128×70×48 mm |
| Weight | 188 g |
Portable Water Quality Analyzer ADPWA-502 delivers an optimal performance in water treatment plants, industrial wastewater management, agriculture, aquaculture and research laboratories. It analyses water samples to help monitor water quality and maintain ideal conditions.
| Test Parameter | Ammonia nitrogen |
| Measuring Range | 0.01 to 10mg/L |
| Wavelength | 420 nm |
| Test Parameter | Chlorine dioxide |
| Measuring Range | 0.1 to 5 mg/L |
| Wavelength | 520 nm |
| Test Parameter | Residual Chlorine |
| Measuring Range | 0.05 to 10 mg/L |
| Wavelength | 520 nm |
| Test Parameter | Ozone |
| Measuring Range | 0.05 to 2.5mg/L |
| Wavelength | 520 nm |
| COD Range: | 0 to 10000 mg/L (Customized) |
| Principle: | UV 254 |
| Resolution: | 0.01 mg/L |
| Indication Error: | ≤±5% |
| Repeatability: | 0.03 |
| COD Detection Method: | Potassium dichromate method, Potassium permanganate method |
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| Absorbance Detection Range: | 0 to 3Abs |
| Optical Path Stability: | ≤±0.005Abs/30min |
| Absorbance Resolution: | 0.001Abs |
| COD Detection Method: | Potassium dichromate method<br/> Potassium permanganate method |
| COD Measuring Range: | 10 to 15000 mg/L |
| COD Lower Limit of Measurement: | 3 mg/L |
| COD Test Method: | Potassium dichromate method<br/> Alkaline potassium permanganate |
| COD Measuring Range: | 10 to 15000mg/L<br/> 0.5 to 25mg/L |
| COD Test Limit: | 10mg/L<br/> 0.5mg/L |
| Dissolved Oxygen Measuring Range: | 0 to 20 mg/L |
| Saturation Measuring Range: | 0 to 200% |
| Temperature Measuring Range: | 0 to 50℃ |
| Dissolved Oxygen Measuring Range: | 0 to 20mg/L；0 to 200% |
| Resolution Ratio: | 0.01mg/L；0.1% |
| Measurement Accuracy: | 0.05mg/L;0.5% |
| Dissolved Oxygen Concentration Measuring Range: | 0 to 20 mg/L |
| Dissolved Oxygen Concentration Resolution: | 0.01 mg/L |
| Dissolved Oxygen Concentration Accuracy: | ≤±0.30 mg/L |
| Measuring Range: | 0 to 1000 NTU (Selectable ranges: 0 to 20 NTU, 0 to 200 NTU, 0 to 1000 NTU) |
| Accuracy: | ±0.1NTU or ±5%<br/> ±0.3NTU or ±8% |
| Repeatability: | ≤±0.1NTU at＜10NTU<br/> ≤±1% at ≥10NTU |
| TSS Measuring Range: | 0 to 1000mg/L |
| TSS Accuracy: | ±0.3mg/L or ±8% |
| TSS Repeatability: | <10mg/L: ≤±0.1mg/L <br/> ≥10mg/L: ≤±1% |
| TDS Range: | 0 to 9999 ppm |
| Conductivity Range: | 0 to 9999 μS/cm |
| Temperature Range: | 0 to 80℃ or 32 to 176℃ |
| Measuring Range: | 0 to 10% |
| Measuring Temperature Range: | 0 to 99℃ |
| Resolution: | 0.01%，0.1℃ |
| Temperature Control Range: | Room temperature to 180℃ |
| Digestion Temperature Range: | 50 to 180℃ |
| Temperature Control Accuracy: | ±0.1℃ |
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| Temperature Control Range: | 45 to 180℃ |
| Digestion Temperature: | 45 to 180℃ |
| Temperature Control Accuracy: | ±0.1℃ |
| pH Measuring Range: | -2 to 16 pH |
| pH resolution: | 0.1pH |
| pH indication error: | ±0.2% F.S. |
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| ORP Measuring Range: | -1000mV to 1000mV |
| ORP Resolution: | 1 mV |
| ORP measurement Accuracy: | ±0.5% F.S. |
| pH Measuring Range: | 0 to 14 pH |
| pH Resolution: | 0.041 pH |
| pH Indication Error: | ±0.02 pH |
| pH Measuring Range: | 0 to 14pH |
| pH Resolution: | 0.01pH |
| pH Measuring Accuracy: | ±0.01pH |