High-Precision Chlorine Dioxide Analyzers & Residual ClO2 Testing Equipment

As a leading ISO-certified water quality instrument manufacturer, Hangzhou Qiwei Instrument Co., Ltd. delivers industrial-grade Chlorine Dioxide Analyzers (ClO2 Meters) engineered for drinking water plants, food process sanitation, medical wastewater disinfection, and industrial cooling towers.

Based on advanced DPD spectrophotometric measurement methods, our chlorine dioxide meters feature high optical stability, pre-calibrated curves, and rapid response times—enabling water treatment managers to verify disinfectant concentration and maintain regulatory safety limits.

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Portable Chlorine Dioxide Meter
Model: L-612
Measuring Range: 0~5 mg/L
Resolution: 0.01 mg/L
Repeatability: 0.01
Linear Error: ±5% FS
Benchtop Chlorine Dioxide Analyzer
Model: L-612, L-613
Measuring Range: 0~5 mg/L
Resolution: 0.01 mg/L
Repeatability: 1%

Explore Our Chlorine Dioxide Testing Instrument Series

Versatile ClO2 analysis equipment designed for both certified laboratory precision testing and rugged field monitoring.

1. Laboratory Benchtop ClO2 Analyzers

Benchtop photometers featuring direct concentration display in mg/L (ppm), automatic zero-point calibration, high-resolution optics, and USB data transmission for quality assurance labs.

Measurement Range: 0.00 – 5.00 mg/L ClO2
Narrow-band filter optical system for high accuracy
GLP compliant testing records with timestamp

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Portable Chlorine Dioxide Meter suppliers

2. Portable Field ClO2 Water Testers

Handheld, waterproof photometers paired with pre-measured reagent pillow packs for immediate residual chlorine dioxide verification in food factories, pools, and field stations.

Rugged IP65 field-ready carrying case
Single-button operation with long battery life
Pre-dosed powder reagents for fast field testing

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3. Multi-Parameter Disinfectant Meters

Integrated photometers capable of analyzing Chlorine Dioxide, Free Chlorine, Total Chlorine, and Ozone in a single instrument to optimize facility disinfectant control.

Multi-channel LED optical module
Cost-effective for multi-stage water treatment
Customizable testing curves for specific samples

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Critical Industrial Applications & Technical Advantages

Why Chlorine Dioxide Monitoring Matters

Chlorine Dioxide ($ClO_2$) is a powerful eco-friendly biocide that does not form harmful chloramines or THMs. Qiwei ClO2 Analyzers are crucial across:

Municipal Drinking Water: Residual $ClO_2$ monitoring for pipeline disinfection compliance
Food & Beverage Processing: Sanitizing wash water for fruits, vegetables, and bottling lines
Hospital Wastewater Disinfection: Complete pathogen deactivation before discharge
Industrial Cooling Towers: Biofilm and Legionella control in recirculating water

Qiwei Manufacturing & OEM Strengths

Providing full ODM/OEM support for distributors, water treatment engineering firms, and laboratory suppliers:

High Stability Optics: Premium photodiode detectors ensure low drift and high repeatability
Interference Elimination: Specific masking formulas prevent free chlorine or turbidity interference
OEM Customization: Logo printing, custom housing colors, and localized software UI
Internal Links: Combine with our Ozone Analyzers, Ammonia Testers, and COD Analyzers for comprehensive testing.

Frequently Asked Questions (ClO2 Analyzer Sourcing)

Q1: What analytical method do Qiwei Chlorine Dioxide Analyzers use?

Our chlorine dioxide photometers use the standard DPD method with glycine masking agent to selectively react with $ClO_2$, effectively preventing interference from free chlorine or chloramines.

Q2: Can free chlorine in water interfere with chlorine dioxide measurements?

No, when using our pre-dosed reagent kits with the included glycine masking solution, free chlorine is suppressed so the analyzer measures only active chlorine dioxide.

Q3: Do you support OEM custom branding for distributors?

Yes, as a factory-direct manufacturer, we provide OEM/ODM custom branding, customized UI interfaces, and tiered distributor pricing for lab suppliers and water treatment contractors.

Require Factory Direct Pricing or Custom ClO2 Testing Solutions?

Get in touch with Hangzhou Qiwei Instrument today for technical specifications, reagent options, and competitive distributor pricing within 24 hours.

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Hangzhou Qiwei Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of chlorine dioxide analyzer in China, featured by quality products and good service. Please rest assured to buy bulk durable chlorine dioxide analyzer in stock here from our factory. We also accept customized orders.

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