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AZ Portable Dissolved Oxygen Meter
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DO Measuring Range: 0~199.9 (in %)
DO Measuring Range: 0~19.99 (in ppm or mg/l)
Temperature Measuring Range: 0~50.0℃
Battery: AAA x4 PCS
Standard Package: Meter, Batteries, Dissolve Oxygen (D.O.) Probe (840PAZ),
Manual, Carry Case, Electrolyte, Syringe, Membrane, O-ring
Specifications:
| Application | Electrochemistry | Warranty | 1 Year |
| Storage Temperature | Ambient | ||
| Product Type | Portable Meters | ||
| Product Brand | AZ Instruments | ||
| Product Grade | Analytical grade | ||
High-Precision, Portable DO Meter for Water Quality Analysis
The 8401 AZ Portable Dissolved Oxygen (DO) Device is a compact, user-friendly, and highly accurate DO meter designed for real-time water quality monitoring. With a large LCD display, USB connectivity for data logging, and easy calibration, this device is ideal for laboratory, aquaculture, environmental, and industrial applications.
Key Features & Benefits
✅ Wide DO Measurement Range
- DO Range: 0 – 199.9% (saturation) or 0 – 19.99 ppm (mg/L).
- High accuracy (±1.5% F.S.) for precise oxygen concentration analysis.
✅ Easy Calibration & Low Maintenance
- Simple 100% DO calibration in a ventilated environment.
- Clark-type electrode for reliable performance.
- No frequent electrolyte refilling required, reducing maintenance costs.
✅ USB Connectivity for Data Capture & Analysis
- PC linkage via USB interface for real-time data output.
- Supports file retrieval, data storage, and statistical analysis.
✅ Portable & User-Friendly Design
- Large LCD screen (44 × 26 mm) for easy data reading.
- Lightweight (150g) and compact (175 × 70 × 33 mm) for field and laboratory use.
- Battery-operated (4× AAA batteries) for on-the-go measurements.
✅ Durable & Reliable for Various Applications
- Long-lasting sensor (>6 months lifespan with proper maintenance).
- Operates in 0 – 50°C temperature range with <80% humidity tolerance.
Technical Specifications
| Feature | Details |
|---|---|
| Model | 8401 AZ |
| DO Measurement Range | 0 – 199.9% (saturation), 0 – 19.99 ppm (mg/L) |
| DO Accuracy | ±1.5% F.S. |
| DO Resolution | 0.1% (saturation), 0.01 ppm (mg/L) |
| Temperature Range | 0 – 50.0°C |
| Temperature Accuracy | ±0.3°C |
| Temperature Resolution | 0.1°C |
| Display | 44 × 26 mm LCD screen |
| Data Connectivity | USB Interface for PC linkage |
| Operating Temperature | 0 – 50°C |
| Operating Humidity | <80% RH |
| Storage Temperature | 0 – 60°C |
| Storage Humidity | <90% RH |
| Sensor Lifespan | >6 months (with proper maintenance) |
| Dimensions (L × W × H) | 175 × 70 × 33 mm |
| Weight | ~150g |
| Power Supply | 4× AAA batteries |
Use Cases & Applications
1. Environmental Water Quality Monitoring
Primary Use:
- Used for real-time dissolved oxygen measurement in rivers, lakes, and oceans.
- Supports scientific research, ecological assessments, and pollution control.
Practical Example:
An environmental agency monitors DO levels in freshwater sources to assess ecosystem health and pollution levels, ensuring compliance with water quality standards.
2. Wastewater Treatment & Industrial Process Control
Primary Use:
- Ensures effective aeration in wastewater treatment plants.
- Helps monitor oxygen levels in industrial effluents.
Practical Example:
A wastewater treatment facility uses the 8401 AZ DO meter to optimize aeration processes, ensuring efficient organic matter breakdown and compliance with environmental regulations.
3. Aquaculture & Fisheries Management
Primary Use:
- Monitors dissolved oxygen levels in fish farms and aquaculture tanks.
- Ensures optimal oxygen conditions for fish health and productivity.
Practical Example:
A commercial fish farm uses the 8401 AZ device to measure oxygen levels in breeding ponds, preventing hypoxia and ensuring healthy fish growth.
4. Laboratory & Biotech Research
Primary Use:
- Used in microbial fermentation, cell culture, and biological research.
- Ensures optimal oxygen conditions in experimental setups.
Practical Example:
A biotech research lab uses the 8401 AZ DO meter to monitor oxygen levels in microbial cultures, optimizing growth conditions for bioprocess development.
5. Beverage & Brewing Industry
Primary Use:
- Controls dissolved oxygen levels in beverage production.
- Prevents oxidation and quality degradation in beer and wine.
Practical Example:
A brewery uses the 8401 AZ DO meter to measure oxygen levels in fermentation tanks, ensuring consistent beer quality and extended shelf life.
Standard Package Includes:
- 8401 AZ DO Meter
- Dissolved Oxygen (D.O.) Probe (840PAZ)
- 4× AAA Batteries
- Carrying Case
- Electrolyte Solution
- Syringe & Membrane Replacement Kit
- O-Ring & User Manual
Optional Accessories:
- USB Cable & Software for PC Data Logging
Why Choose the 8401 AZ Portable DO Meter?
🌊 Wide DO Measurement Range – Ideal for environmental, industrial, and research applications.
🔬 USB Connectivity for Data Logging – Supports real-time monitoring and analysis.
⚡ Lightweight & Battery-Powered – Perfect for portable and field use.
🛡 Durable & Low-Maintenance Sensor – Designed for long-term performance.
📊 Easy Calibration & User-Friendly Interface – Ensures quick setup and accurate results.
The 8401 AZ Portable Dissolved Oxygen Meter is a high-performance, versatile, and easy-to-use DO meter for water quality testing, environmental monitoring, aquaculture, wastewater treatment, and laboratory research. With USB connectivity, long sensor life, and wide measurement range, it provides reliable dissolved oxygen analysis for professionals in various industries.