Teledyne CLASS E-2 | C57283-E2 Long-Life Oxygen Sensor for N₂ Purity
Teledyne CLASS E-2 (P/N C57283-E2) micro-fuel cell oxygen sensor. Measures trace O₂ in nitrogen liquefaction, 0–100 ppm range, 24-month service life.
Product Overview
The Teledyne CLASS E-2 (Part Number C57283-E2) is a long-life electrochemical micro-fuel cell designed for trace oxygen monitoring in nitrogen liquefaction and air separation processes. It is specifically engineered for use in Teledyne Model 3290 analyzers deployed on unattended nitrogen skids, offering extended service life and stability in demanding industrial gas applications.
Technical Specifications (Electrical & Performance)
| Parameter | Specification |
| Manufacturer / Series | Teledyne Analytical Instruments / CLASS E |
| Model / Part Number | CLASS E-2 (C57283-E2) |
| Sensor Type | Electrochemical Micro-Fuel Cell (Sealed) |
| Primary Application | Trace O₂ in Nitrogen (N₂ liquefaction processes) |
| Typical Measurement Range | 0 – 100 ppm O₂ (or 0–1000 ppm) |
| Output Signal | Current (µA), proportional to O₂ partial pressure |
| Response Time (T90) | < 10 seconds (typical for step change) |
| Warranty / Service Life | 24 months (typical in specified application) |
Technical Specifications (Mechanical & Environmental)
| Parameter | Specification |
| Housing Dimensions | Ø 1.25 inch (31.75 mm) x 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 +45 °C (recommended range) |
| Sample Flow | Diffusion-controlled (unaffected by flow rate variation) |
| Orientation | Insensitive to shock, vibration, or mounting position |
| Compatible Analyzers | Teledyne 3290 Series (Unattended Nitrogen Skids) |
Key Features
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Extended Service Life: Optimized for long-term stability in continuous nitrogen monitoring applications.
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Maintenance-Free Operation: Sealed, disposable design with no electrolyte refilling required.
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True Zero Reading: Generates zero current in the absence of oxygen, eliminating the need for zero gas.
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High Specificity: Minimal cross-sensitivity to other gases, ensuring accurate O₂ measurement.
Applications
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Nitrogen purity monitoring in liquefaction plants
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Inert gas blanketing and purging systems
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Air separation unit (ASU) gas analyzers
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Unattended industrial gas safety monitoring
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About ACH
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One-year Warranty.
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