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Mettler-Toledo FiveGo™ F4 Handheld Dissolved oxygen meter with LE621-IP67 DO sensor.
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Specifications:
| Application | Water Quality Analysis, Electrochemistry | Warranty | 1 Year |
| Storage Temperature | Room Temperature | ||
| Product Type | Portable Meters | ||
| Product Brand | METTLER TOLEDO™ | ||
| Product Grade | Analytical grade | ||
Portable, Accurate, and Reliable Dissolved Oxygen Measurement
The Mettler-Toledo FiveGo™ F4 Handheld Dissolved Oxygen (DO) Meter is a high-precision, portable device designed for fast and accurate dissolved oxygen measurements in laboratory, field, and industrial applications. Equipped with the LE621-IP67 DO sensor, this meter delivers reliable performance with ±1% accuracy, making it ideal for environmental monitoring, wastewater treatment, aquaculture, and research applications.
Key Features & Benefits
✅ High Accuracy & Wide Measurement Range
- Dissolved Oxygen Concentration: 0.01 – 45.00 mg/L with ±1% accuracy.
- DO Saturation Range: 0.1 – 400%, ensuring precise oxygen level detection in various environments.
✅ Automatic & Manual Calibration
- Two-point calibration (0% and 100%) for maximum measurement reliability.
- Automatic Temperature Compensation (ATC & MTC) ensures stable readings in varying conditions.
✅ Portable & User-Friendly Design
- Lightweight (260g) and compact (188 × 77 × 33 mm) for easy handling in field and laboratory settings.
- Large 3.1" segmented LCD display for clear visibility of readings.
✅ Durable & Waterproof (IP67 Rated)
- Waterproof and dustproof design ensures rugged performance in harsh environments.
- Ideal for outdoor and on-site testing in wet or industrial conditions.
✅ Long Battery Life & Data Storage
- Powered by 4× AAA batteries, providing extended operational time.
- Data logging capacity of 200 measurements, allowing easy record-keeping for research and quality control.
Technical Specifications
| Feature | Details |
|---|---|
| Model | FiveGo™ F4 |
| DO Accuracy | ±1% |
| DO Concentration Range | 0.01 - 45.00 mg/L |
| DO Concentration Resolution | 0.01 mg/L |
| DO Saturation Range | 0.1 - 400% |
| Barometric Pressure Range | 375 - 825 mm Hg / 500 - 1100 mbar / 500 - 1100 hPa |
| DO Calibration | 2 points (0% and 100%) |
| Temperature Range | 0 to +50°C |
| Temperature Resolution | 0.1°C |
| Temperature Accuracy | ±0.3°C |
| Temperature Compensation | Automatic (ATC) & Manual (MTC) |
| Display | 3.1" segmented LCD |
| Connections | BNC, Cinch, NTC 30 kΩ |
| Power Supply | 4× AAA batteries |
| Data Logging Capacity | 200 measurements |
| Compliance | IP67 waterproof rating |
| Dimensions (W×D×H) | 188 × 77 × 33 mm |
| Weight | 0.26 kg |
Use Cases & Applications
1. Environmental Monitoring & Field Testing
Primary Use:
- Monitoring dissolved oxygen levels in lakes, rivers, and oceans.
- Assessing water quality in environmental research projects.
Practical Example:
An ecological research team uses the FiveGo™ F4 meter for in-field dissolved oxygen measurements in freshwater ecosystems, ensuring accurate environmental assessments.
2. Wastewater Treatment & Industrial Water Testing
Primary Use:
- Ensures compliance with regulatory dissolved oxygen standards.
- Monitors aeration efficiency in wastewater treatment plants.
Practical Example:
A wastewater facility uses the FiveGo™ F4 DO meter to measure oxygen levels in aeration tanks, optimizing biological treatment processes and ensuring regulatory compliance.
3. Aquaculture & Fisheries Management
Primary Use:
- Monitors oxygen levels in fish farms and aquaculture tanks.
- Prevents hypoxia-related fish stress and mortality.
Practical Example:
A commercial fish farm regularly uses the FiveGo™ F4 DO meter to monitor dissolved oxygen in fishponds, ensuring optimal oxygenation levels for healthy fish growth.
4. Laboratory & Biotech Research
Primary Use:
- Used in cell culture and fermentation studies.
- Supports scientific experiments requiring oxygen concentration analysis.
Practical Example:
A biotechnology lab uses the FiveGo™ F4 meter to measure oxygen levels in microbial fermentation for optimized cell growth and metabolite production.
5. Brewing & Beverage Industry
Primary Use:
- Ensures oxygen control in brewing and beverage production.
- Prevents oxidation and spoilage in beer and wine production.
Practical Example:
A brewing company uses the FiveGo™ F4 meter to measure dissolved oxygen in fermentation tanks, maintaining flavor consistency and shelf-life stability.
Why Choose the Mettler-Toledo FiveGo™ F4 DO Meter?
🌊 Highly Accurate DO Measurements – ±1% accuracy ensures precise dissolved oxygen readings.
🔬 Versatile & Multi-Industry Applications – Ideal for environmental, industrial, and research use.
⚡ Portable & User-Friendly Design – Lightweight, ergonomic, and intuitive for easy field or lab use.
🛡 Waterproof & Durable (IP67 Rated) – Designed for harsh conditions and outdoor applications.
📊 Data Logging for 200 Measurements – Supports quality control and research documentation.
The Mettler-Toledo FiveGo™ F4 Handheld Dissolved Oxygen Meter is a high-precision, portable, and durable solution for dissolved oxygen measurements in water quality analysis, environmental research, aquaculture, wastewater treatment, and laboratory applications. Its IP67 waterproof rating, user-friendly interface, and high accuracy make it an essential tool for professionals requiring reliable DO measurement in the field or lab.