Overview
Enviro Testers Laser Precision O₂ Analyzer – Ultra-Stable & Highly Accurate Meter is designed for precise measurement and monitoring of oxygen concentration in environments with high temperature and humidity. This product employs Tunable Diode Laser Absorption Spectroscopy (TDLAS) for superior accuracy, stability, and reliability.
Features
- Based on laser absorption spectroscopy (TDLAS) for precise measurement
- High accuracy with resolution of 0.01%
- Fast response time (T90 ≤ 3 seconds)
- Durable 316L stainless steel chamber with anti-corrosion design
- Stable measurement with long service life over 6 years
- Diffusion gas supply method with adjustable range
- Supports RS485 and 4–20 mA outputs for integration
- Dual relay channel output for control systems
- Handles medium temperature up to 428 °F (220 °C)
- Optical design avoids ion flow/resistive limitations
Application
Ideal for high-temperature flue gas monitoring, drying processes, chemical plants, dyeing facilities, and pharmaceutical industries.
Technical specifications
| Specification | Description |
| Measuring Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Measurement Objects | Oxygen (O₂) under high temperature and humidity conditions |
| Range | 0% to 40% standard, optional 0% to 60% |
| Resolution | 0.01% |
| Limit of Detection | 0.01% |
| Flux | 0.5 to 1 L/min |
| Response Time | T90 ≤ 3 s |
| Repetitive Accuracy | ± 0.5% FS |
| Linearity Error | ± 1% FS |
| Zero-point Drift | ± 1% FS / 7 days |
| Range Drift | ± 1% FS / 7 days |
| Output Signal | RS485, 2-channel relay output, 2-channel 4–20 mA |
| Operating Power | AC 220 V |
| Operating Temperature | -4 °F to 122 °F (-20 °C to 50 °C) |
| Storage Temperature | -4 °F to 140 °F (-20 °C to 60 °C) |
| Medium Temperature | ≤ 428 °F (220 °C) |
| Preheating Time | ≤ 30 min |
| Dimensions | 4.37 in × 2.00 in × 1.63 in (111 mm × 51 mm × 41.5 mm) |
| Weight | 18.7 lb (8.5 kg) |
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