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Chromium Online Water Quality Analyzer

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Chromium Online Water Quality Analyzer

Brand Name : JUGE

Model Number : AG9010Cr

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 : Diphenylcarbazide Spectrophotometric Method

‌Measuring Range‌ : 0~5mg/L (segmented measurement, expandable)

‌Detection Limit‌ : ≤0.02mg/L

‌Resolution‌ : 0.001mg/L

‌Accuracy‌ : ±10%

‌Power Supply‌ : AC 220±10% V

‌Dimensions‌ : 520H × 370W × 265D (mm)

Weight‌ : 40kg

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Chromium Online Water Quality Analyzer


>>Overview

This monitor operates autonomously under ‌long-term unattended continuous operation‌ based on field configurations. It is widely applicable to industrial pollutant discharge wastewater, industrial process wastewater, industrial sewage treatment plants, municipal sewage treatment plants, and similar scenarios. Depending on the complexity of on-site testing conditions, optional preprocessing systems can be integrated to ensure ‌reliable testing processes‌, ‌accurate results‌, and compliance with diverse operational demands.


>>Principle

The product employs the ‌diphenylcarbazide spectrophotometric method‌ for total chromium detection. After mixing the water sample with a strong oxidizing agent, trivalent chromium (Cr³⁺) is oxidized to hexavalent chromium (Cr⁶⁺). In an acidic environment with an indicator present, Cr⁶⁺ reacts with the indicator to form a colored complex. The monitor detects this color intensity change, converts it into total chromium concentration values, and outputs the results. The amount of colored complex generated corresponds to the total chromium concentration.


>>Technical Parameter

‌Test Method‌

Diphenylcarbazide Spectrophotometric Method
‌Measuring Range‌

0~5mg/L (segmented measurement, expandable)
Detection Limit

≤0.02mg/L
Resolution

0.001mg/L
Accuracy

±5%
‌Repeatability‌

≤±5%

‌Drift (24h)‌

Zero drift: ±5%

Span drift: ±10%
‌Measurement Time‌

<50min (digestion time adjustable)
‌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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