Teledyne CLASS B-1 | C06689-B1 Micro-Fuel Cell %O2 Sensor for Fast Response
Teledyne CLASS B-1 (P/N C06689-B1) micro-fuel cell oxygen sensor. Measures 0–25% O₂ with <10s response, ideal for combustion flue gas and safety analyzers.
Product Overview
The Teledyne CLASS B-1 (Part Number C06689-B1) is a general-purpose electrochemical micro-fuel cell (MFC) designed for percent-level oxygen measurement in industrial gas analysis. It prioritizes fast response time over extended life, making it a standard choice for combustion efficiency monitoring, flue gas analysis, and portable safety instruments where rapid readings are critical.
Technical Specifications (Performance & Electrical)
| Parameter | Specification |
| Manufacturer / Series | Teledyne Analytical Instruments / CLASS B |
| Model / Part Number | CLASS B-1 (C06689-B1) |
| Sensor Type | Sealed Electrochemical Micro-Fuel Cell |
| Measurement Range | 0 – 25 % O₂ (Standard Calibration) |
| Output Signal | Current (µA), proportional to O₂ partial pressure |
| Response Time (T90) | < 10 seconds (typically ~7s for 90% FS) |
| Accuracy | ±2% of Full Scale (at constant temperature) |
| Expected Service Life | ~8 – 12 months (in normal air/combustion gas) |
Technical Specifications (Mechanical & Environmental)
| Parameter | Specification |
| Housing Dimensions | Ø 1.25 inch (31.75 mm) × 0.75 inch (19 mm) thick |
| Sensing Area | Ø 0.7 inch (Large area to minimize condensation error) |
| Electrical Connection | 2 concentric foil contacts (rear-mounted) |
| Operating Temperature | 0 °C to +50 °C (32°F to 122°F) |
| Sample Flow | Diffusion-controlled (Unaffected by flow rate) |
| Warm-Up Time | < 2 minutes |
| Key Application | General %O₂ in flue gas, air, inert backgrounds |
Key Features
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Fast Response: Optimized for applications requiring quick O₂ level detection (e.g., combustion tuning).
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Maintenance-Free: Sealed, disposable design with no electrolyte refilling required.
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True Zero: Generates zero current in the absence of oxygen; requires no zero gas.
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Flow Insensitive: Diffusion-based operation is unaffected by sample flow rate variations.
Applications
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Combustion flue gas analyzers (boilers, furnaces)
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Portable oxygen safety monitors
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Industrial process gas %O₂ measurement
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Laboratory gas mixture analysis
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