Nanjing Juge Environmental Technology Co., Ltd.
| Packaging Details | Neutral carton |
| Delivery Time | 5-8 working days |
| Payment Terms | Online order,T/T |
| Supply Ability | 100 Unit/Week |
| 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% |
| Power Supply | AC 220±10% V |
| Dimensions | 520H × 370W × 265D (mm) |
| Weight | 40kg |
| Brand Name | JUGE |
| Model Number | AG9004 |
| Certification | IOS9001, CE |
| Place of Origin | Nanjing, China |
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Product Specification
| Packaging Details | Neutral carton | Delivery Time | 5-8 working days |
| Payment Terms | Online order,T/T | Supply Ability | 100 Unit/Week |
| 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% | Power Supply | AC 220±10% V |
| Dimensions | 520H × 370W × 265D (mm) | Weight | 40kg |
| Brand Name | JUGE | Model Number | AG9004 |
| Certification | IOS9001, CE | Place of Origin | Nanjing, China |
| High Light | codmn water quality monitor ，codmn online water quality analyzer ，20mg/l water quality monitor | ||
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 |
|
| 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) |
Company Details
Business Type:
Manufacturer
Year Established:
2015
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Founded in 2015, Juge focuses on the field of environmental online monitoring and has gathered outstanding talents who have been engaged in environmental online monitoring for many years. At the same time, it cooperates with some key professional universities and research institutes in China, and is... Founded in 2015, Juge focuses on the field of environmental online monitoring and has gathered outstanding talents who have been engaged in environmental online monitoring for many years. At the same time, it cooperates with some key professional universities and research institutes in China, and is...
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