CODmn Permanganate Index Online Water Quality Analyzer
Brand Name:JUGE
Certification:IOS9001, CE
Model Number:AG9004
Minimum Order Quantity:1 Unit
Delivery Time:5-8 working days
Payment Terms:Online order,T/T
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Location:
Nanjing China
Address:
2F, BLK A, TAIPING IND PARK, #219 JIANGJUN AVE, JIANGNING DISTRICT, NANJING, CHINA
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within 39 hours
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CODmn Permanganate Index Online Water Quality Analyzer
>>Overview
CODMn refers to the mass concentration of oxygen consumed by strong oxidizers under specific conditions to oxidize organic and inorganic reducing substances in water samples. It is a critical indicator of water pollution caused by organic and inorganic reducing agents.
This analyzer operates autonomously under long-term unattended continuous monitoring based on field configurations. It is widely applicable to surface water monitoring and similar scenarios. Depending on the complexity of on-site conditions, optional preprocessing systems can be integrated to ensure reliable testing processes, accurate results, and compliance with diverse operational demands.
>>Features
The CODMn method employs potassium permanganate oxidation spectrophotometry. The sample is heated in a water bath for 20 minutes, during
which potassium permanganate oxidizes organic pollutants. The
amount of potassium permanganate consumed during this process
serves as an indicator of pollutant levels.
>>Technical Parameter
| Test Method | Potassium permanganate oxidation spectrophotometric method |
| Measuring Range | 0~20mg/L (segmented measurement, expandable) |
| Detection Limit | 0.05mg/L |
| Resolution | 0.001mg/L |
| Accuracy | ±5% |
| Repeatability | ≤±5% |
Drift (24h) | Zero drift: ±0.05mg/L Span drift: ±2% |
| Measurement Time | Minimum 20min; digestion time adjustable (5~120min) based on actual water samples |
| Measurement Modes | Adjustable time interval, fixed time point, or triggered measurement |
Calibration Modes | Automatic calibration (1~99 days adjustable) Manual calibration based on actual water samples |
Maintenance Cycle |
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| Human-Machine Interface | Touchscreen display and command input |
Self-Diagnosis & Protection | Self-diagnoses operational status; retains data during anomalies/power outages Automatically clears residual reactants and resumes operation after reset/power recovery |
| Data Storage | 5-year data capacity |
| Input Interface | Digital input |
Output Interfaces | 1× RS232, 1× RS485 2× 4~20mA analog outputs |
Operating Environment | Indoor use; recommended temperature: 5~28℃, humidity ≤90% (non-condensing) |
Power Supply | Voltage: AC 220±10% V Frequency: 50±0.5 Hz Power: ≤150W (excluding sampling pump) |
Dimensions | 520H × 370W × 265D (mm) |
CODmn Permanganate Index Online Water Quality Analyzer
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