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What is it?
The Green Instruments G1100 Opacity Monitor is a precise monitoring system that continuously measures the optical density of flue gases. It is designed for use in industrial environments where control of visible emissions is essential, such as combustion plants, waste incinerators, and process industry stacks. The G1100 measures the amount of light absorbed or scattered by smoke particles in the exhaust gas, providing a direct indication of visible smoke emissions. The system is robust and built to withstand harsh conditions, featuring self-cleaning optics for reliable, low-maintenance operation.

How does it work?
The G1100 uses a transmission measurement method, where a light beam is sent from a transmitter through the flue gas to a receiver. The amount of light that passes through the gas is compared to a reference, allowing the degree of darkening—or opacity—to be calculated. This measurement accurately indicates the particle concentration in the flue gas stream. With automatic calibration checks, self-diagnostics, and optical cleaning, the system continues to function reliably with minimal manual intervention.

What problems does it solve?
Visible smoke emissions can indicate incomplete combustion or process malfunctions, potentially leading to environmental issues or regulatory violations. The G1100 helps ensure compliance with environmental regulations and optimizes combustion processes by providing real-time insight into flue gas opacity. This enables operators to respond quickly when thresholds are exceeded, resulting in better environmental performance, more efficient fuel usage, and reduced maintenance costs.