Utilizing the extractive condensation measurement principle, it represents the most mature technology currently available for continuous emission monitoring of flue gas. Among these, SO2 and NOX are measured using ultraviolet absorption spectroscopy technology, O2 is measured using electrochemical or zirconia measurement technology, CO and CO2 are measured using electrochemical measurement technology, temperature is measured using platinum resistance, pressure is measured using pressure sensor technology, flow is measured using the pitot tube principle, dust is measured using laser backscattering technology, and humidity is measured using the high-temperature capacitance method.

Others

Ø Power supply: 220VAC, 50Hz

Ø Ambient temperature limit: -40 to 55°C

Ø Communication interface: 1 RS232 port; 1 RS485/RS232 port

Ø Digital interface: 8 relay outputs

Ø Analog interface: 5 channels of 4–20mA output

Instrument Features

Ø High Reliability

Uses a pulsed xenon lamp with a lifespan of up to 10 years as the light source and a solid-state spectrometer with no moving parts, ensuring high reliability.

Ø Modular Design, Easy Replacement

The internal core components adopt a modular design, with fiber optic connection technology between components, making maintenance convenient.

Ø High Measurement Accuracy and Good Stability

Uses the DOAS (Differential Optical Absorption Spectroscopy) algorithm, ensuring measurement results are not affected by factors such as soot and moisture, resulting in high accuracy; the DOAS algorithm also eliminates errors caused by instrument aging, ensuring good measurement stability.

Ø Highly Intelligent and Digital

Equipped with multiple high-performance processors, using high-speed data bus communication technology between processors; each module features powerful digital configuration and monitoring functions; touch-screen human-machine interface for simple operation and ease of use.

Ø Rich Buyer Interfaces

Provides a variety of interfaces for easy integration into various control and monitoring systems. Wireless or wired networks can be established via communication methods such as RS485 and RS232, facilitating daily operation, maintenance, and management of the instrument.