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CODmn Permanganate Index Online Water Quality Analyzer

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CODmn Permanganate Index Online Water Quality Analyzer

Brand Name : JUGE

Model Number : AG9004

Certification : IOS9001, CE

Place of Origin : Nanjing, China

MOQ : 1 Unit

Price : USD2000-7000

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

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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

1 month per session; ~30min per maintenance
‌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)



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