Hot-Wet CEMS

An extractive emission monitoring system that keeps the sample hot from the stack to the analyzer.

Application: Air Emission Monitoring
Sector: Biomass, Cement, Chemicals, Power generation (PLN, coal-fired), Waste to energy
Specifications: Configured for site conditions. Datasheet available on request.

Heated probe, heated sample line, and hot-wet CEMS analyzer cabinet

Operational use cases

Stacks with moist flue gas or components that dissolve easily in water.
Units that need gas measured wet, without a sample drying stage.
Continuous monitoring for emission reporting and operations.

Measurement principle

The probe takes the sample at the measurement point. The filter and sample line are heated so the sample stays above its dew point along the whole route. The analyzer reads the gas wet, and a data logger records the results for reporting.

The final configuration, including parameters and sample line length, is based on the stack conditions and your unit’s requirements.

Working principle: Extractive hot-wet

Measurement pointSample taken at a representative point
Heated probe & filterDust retained, sample kept hot
Heated sample lineKept above the dew point
Hot-wet analyzerGas analyzed wet
Data loggerData recorded and traceable

Support from Polaris

This product does not end at delivery. After the PO, Polaris provides:

InstallationInstalled to real site conditions: measurement point, access, and sampling route.
CommissioningTested under operating conditions, with a documented handover.
OperationOur team can help run the system day to day.
MaintenanceScheduled, recorded preventive maintenance.
TroubleshootingRoot-cause tracing when readings drift.
Spare parts & consumablesSpare parts planned before they are needed.
TrainingOperators and engineers understand the system they run.
Data support & reportingData kept orderly and traceable for reporting.