Orbisphere 3655/111 Portable Dissolved Oxygen Analyser – Precision You Can Carry. Unlock the power of ultra-sensitive oxygen measurement with the Orbisphere 3655/111 – the gold standard in portable dissolved O₂ analysis. Engineered for professionals who demand accuracy down to the ppb, this high-resolution analyser delivers reliable readings in ppm or ppb, ensuring confident decision-making in even the most regulated environments. Whether you're in power generation, beverage production, or pharmaceutical QA, this rugged yet refined instrument brings lab-grade performance to the field – where it matters most. When precision is non-negotiable, the Orbisphere 3655/111 is the tool you trust.
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3655/111 Orbisphere Portable Analyser, Dissolved Oxygen (O₂)
3655/111
Orbisphere
When dissolved oxygen monitoring is mission-critical, the Orbisphere 3655/111 stands apart as the ultimate portable solution. Designed with Swiss precision and built for demanding environments, this handheld analyser is trusted by industry leaders in power generation, beverage bottling, microelectronics, and pharmaceuticals.
At its core, the Orbisphere 3655/111 combines a highly sensitive electrochemical sensor with intelligent digital processing, offering unmatched resolution for dissolved O₂ measurement in ppm or ppb units. Whether you're detecting trace oxygen levels to protect a steam turbine or maintaining strict quality control in a sterile production line, this analyser delivers real-time, lab-grade accuracy — wherever your work takes you.
The interface is intuitive and streamlined, allowing both experienced technicians and first-time users to configure tests, log data, and export results with minimal training. It features a bright, easy-to-read display, ergonomic design, and ruggedized construction for reliable operation even in harsh or remote conditions. Its built-in memory and USB connectivity enable efficient data logging and traceability — aligning with the highest compliance standards.
This model is more than just an oxygen meter. It's a precision-driven diagnostic tool engineered to optimize processes, protect critical assets, and support regulatory compliance — all from a portable platform that fits in one hand.
Key Advantages of the Orbisphere 3655/111
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Ultra-High Resolution: Detects even the lowest traces of dissolved O₂ — essential for oxygen-sensitive applications in energy, pharma, food & beverage, and semiconductors.
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Dual Unit Flexibility: Switch effortlessly between ppm and ppb, giving you measurement precision tailored to your operational needs.
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Truly Portable: Lightweight and ergonomically designed for one-hand use; carry lab-grade performance wherever it’s needed.
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Rugged and Reliable: Built to perform in industrial environments — from sterile clean rooms to field-based testing near turbines or tanks.
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User-Friendly Interface: Simple menu navigation, quick calibration, and intuitive test configuration reduce training time and human error.
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Data Integrity: Internal memory and USB export ensure secure, traceable data logging to support audits and reporting.
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Low Maintenance, High Uptime: Long sensor life and minimal calibration requirements keep operations smooth and costs low.
Who It's For
This analyser is built for engineers, QA professionals, field technicians, and compliance managers who need uncompromising accuracy, mobility, and reliability. If your process depends on tight oxygen control, the Orbisphere 3655/111 isn't a luxury - it's a necessity.
Specifications - Orbisphere 3655/111 Portable Dissolved Oxygen Analyser
| Category | Specification |
|---|---|
| Model | 3655/111 |
| Parameter Measured | Dissolved Oxygen (high resolution) |
| Phase Type | Liquid phase |
| Display Resolution | 0.1 ppb or 0.001 ppm |
| Measurement Units | ppm / ppb |
| Battery Life | 40 hours continuous use |
| Power Supply | Two C-type cells (NiCd or alkaline), 26 x 50 mm each, 2.4 – 3 V total |
| Data Storage | 500 data points |
| Operating Temperature | -5 °C to 100 °C (23 °F to 212 °F) |
| Sample Temperature | -5 °C to 60 °C (23 °F to 140 °F) |
| Sample Pressure | Max. 10 bar (145 psi) |
| Temperature Compensation | -5 °C to 60 °C (23 °F to 140 °F) |
| Enclosure Waterproof Rating | IP65 / NEMA 4 |
| Compliance Certifications | CE: EN61010-1 (LVD Directive), ISO 9001 / EN 29001 |
| Dimensions (H x W x D) | 150 mm x 115 mm x 220 mm |
| Weight | 2.4 kg |
| Warranty | 24 months |
| Brand | Orbisphere |
| Parameter | Oxygen Dissolved |
