The Lambda oxygen probe (such as the Lambda series) from Germany's MESA company is a high-precision gas sensor widely used in industrial combustion control, automotive exhaust monitoring, and environmental protection. It is primarily used to measure oxygen concentration (O?) or air-fuel ratio (λ value). Below are the key details about this product:
1. Core Functions and Principles
Measurement Object: Oxygen Concentration (O2) or Air/Fuel Ratio (λ value).
Technical Principle: Based on the electrochemical principle of zirconia (ZrO2), it calculates the oxygen partial pressure through the migration of oxygen ions under high temperature, generating an electrical potential difference.
Typical Applications:
Combustion optimization for industrial boilers and kilns.
Automotive exhaust emissions monitoring (e.g., lambda sensor).
Chemical Process Control
2. Product Features
High Temperature Resistance: Zirconia sensors need to be heated to several hundred degrees Celsius for operation (such as above 600°C), with built-in heating elements.
High precision: Measurement range typically covers 0.1%~25% O2, with λ value accuracy up to ±0.01.
Rapid Response: Millisecond response time, suitable for dynamic control.
Durable: Corrosion-resistant design, suitable for harsh industrial environments.
3. Model and Selection
Common models may include:
Lambda Pro: Industrial-grade high-precision probe.
Lambda Mini: Compact, suitable for space-limited environments.
Automotive-specific lambda sensors (such as wideband oxygen sensors).
4. Installation and Maintenance
Installation Requirements:
Avoid mechanical vibration or thermal shock.
Calibrate gases (such as standard gases with known oxygen concentrations) on a regular basis.
Maintenance:
Regularly clean the probe surface of carbon or contaminants.
Inspect the heating element functionality.
5. Frequently Asked Questions
Signal Drift: May be due to aging or contamination, requires calibration or replacement.
Life span: Typically 1-5 years, depending on the usage environment.
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