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O2-A3 Oxygen Sensor Listing Premium Quality O2-A3 Oxygen Gas Sensor
Alphasense Compatible • Industrial & Lab Grade Safety Equipment
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Fast Shipping & 100% Brand New Stock.
Product Description
The O2-A3 is a high-performance electrochemical oxygen sensor designed for robust industrial gas detectors and environmental monitoring systems. Widely recognized for its exceptional long-term stability and fast response time, this sensor ensures reliable oxygen deficiency or enrichment detection in hazardous environments.
Technical Specifications Parameter Value / Range Measurement Range 0 - 25% O2 Output Signal 65 - 85 μA @ 20.9% O2 Response Time (T90) < 15 seconds (from 20.9% to 0% O2) Operating Life > 24 Months in Air Temperature Range -30°C to +50°C Pressure Range 80 to 120 kPa Key Features
- High Accuracy: Delivers precise readings even under changing environmental conditions.
- Ultra-Fast Response: Quick reaction time ensuring immediate safety warnings.
- Leak-Free Design: Advanced housing construction prevents electrolyte leakage.
- Wide Compatibility: Standard 3-pin footprint for effortless integration into major gas detector brands.
📦 Package Includes:
1 x O2-A3 Electrochemical Oxygen Sensor (Sealed Pack)
✈️ Shipping
Dispatched within 1-3 business days. Tracking number will be provided immediately upon shipment.
🔄 Returns
30-day money-back guarantee. Item must be returned in its original, unopened condition.
💬 Support
Have a technical question? Contact us via messages. We reply within 24 hours.
Thank you for shopping with us! Your satisfaction is our top priority.
On Aug 28, 2026 at 17:05:40 PDT, seller added the following information:
