Teledyne CLASS B-3 | C06689-B3 Micro-Fuel Cell Oxygen Sensor
Teledyne CLASS B-3 (P/N C06689-B3) electrochemical oxygen sensor. Measures 0–100% O₂, 12-month life, for combustion flue gas and safety analyzers.
Product Overview
The Teledyne CLASS B-3 (Part Number C06689-B3) is a general-purpose micro-fuel cell oxygen sensor designed for percent-level oxygen measurement in industrial gas analyzers. It offers an optimal balance between fast response time and long service life, making it a standard replacement cell for combustion efficiency monitors, flue gas analyzers, and industrial safety instruments.
Technical Specifications (Performance & Electrical)
| Parameter | Specification |
| Manufacturer / Series | Teledyne Analytical Instruments / CLASS B |
| Model / Part Number | CLASS B-3 (C06689-B3) |
| Sensor Type | Electrochemical Micro-Fuel Cell (Sealed) |
| Measurement Range | 0 – 100 % O₂ |
| Output Signal | 235 – 355 µA (Current, proportional to O₂ partial pressure) |
| Response Time (T90) | ≤ 13 seconds |
| Accuracy / Linearity | ±2% of Full Scale |
| Expected Service Life | 12 – 15 months (in normal use) |
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-Pin Gold Disk (Concentric foil contacts) |
| Operating Temperature | 0 °C to +45 °C |
| Sample Flow | Diffusion-controlled (Unaffected by flow rate) |
| Warm-Up Time | < 2 minutes |
| Shelf Life | 6 months (unused, stored properly) |
Key Features
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Maintenance-Free Design: Sealed, disposable construction 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: Performance is unaffected by variations in sample gas flow rate.
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Robust Performance: Stable operation in gas mixtures containing hydrogen and helium.
Applications
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Combustion flue gas analysis (boilers, furnaces)
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Industrial safety and oxygen deficiency monitors
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Process gas purity verification
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Laboratory gas mixture analyzers
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About ACH
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One-year Warranty.
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