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Introduction
The ESEGAS ESE-LASER-200WM Hydrogen Chloride (HCl) Analyzer is designed for continuous measurement of HCl concentrations in industrial process gases and emission streams. Using Tunable Diode Laser Absorption Spectroscopy (TDLAS), it identifies HCl through its characteristic laser absorption wavelength, providing selective measurement in complex gas mixtures. Because hydrogen chloride is highly soluble in water and can be lost through condensation or adsorption, the system can integrate heated sampling probes, heated sample lines, and temperature-controlled gas handling components. It is suitable for waste incineration, chemical manufacturing, acid gas emission monitoring, and industrial flue gas treatment.
Technology: TDLAS
Configurations: Online Gas Analyzer | Wall-mounted Gas Monitoring System | Online Gas Monitoring System
| Parameter | Value |
|---|---|
| Measured Gas | Hydrogen Chloride (HCl) |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Measuring Range | 0–20/200ppm |
| Accuracy | ≤±1% FS |
| Repeatability | ≤±1% FS |
| Resolution | 0.1ppm |
| Drift | ≤1% FS |
| T90 Response Time | ≤30S |
| Measurement interval | 1s |
| Power Supply | 220V ±40VAC, 50Hz ±1Hz, ≤150W. |
| Analog Output | 4-20mA, maximum load 550Ω |
| Digital Output | RS485, supporting the MODBUS RTU protocol |
| Relay Output | Load capacity: AC/DC 24V/1A |
| Warm-Up Time | 30min |
| Maximum Sample Gas Humidity | 90%RH |
| Sample Gas Flow Rate | 2L/min |
| Sample Gas Pressure | Atmospheric pressure ±5 kPa |
| Sample Gas Temperature | ≤50 °C |
| Sample Gas Interface | Ø6 mm card holder |
| Dimensions (W × L × H) | 430mm × 410mm × 170mm |
| Weight | 15kg |
| Note | Measurement range can be customized by the requirement |
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HCl Measurement Challenge:
An HCl gas analyzer measures hydrogen chloride concentrations in industrial process gases and exhaust emissions. It supports acid gas emission monitoring, process control, and environmental compliance.
A TDLAS HCl analyzer uses a tunable laser to target characteristic HCl absorption wavelengths. By analyzing the attenuation of the transmitted laser light, it calculates hydrogen chloride concentration.
HCl is highly soluble in water and can be lost through condensation and adsorption on sampling surfaces. Heated sampling components help prevent condensation and minimize sample loss during transportation.
An online HCl analyzer is designed for continuous industrial monitoring, while a portable HCl analyzer supports on-site inspections, commissioning, and troubleshooting at different sampling locations.
Common applications include waste incineration, chemical manufacturing, chlor-alkali production, metal processing, and industrial acid gas treatment.
Hydrogen chloride (HCl) is highly soluble in water. If moisture condenses in the sampling system or measurement cell, HCl dissolves in the condensate, causing lower-than-actual concentration readings. HCl can also adsorb onto internal surfaces, resulting in sample losses and slower response.
A heated measurement cell and sampling system help keep the sample above its dew point, preventing condensation and reducing adsorption losses. Heating must cover the entire sample path—including the probe, filters, transfer line, and connections—to eliminate cold spots.
The operating temperature should be selected according to sample moisture, pressure, gas composition, and equipment specifications. Conventional cooling and moisture removal should be avoided unless HCl recovery has been validated.
The ESEGAS ESE-LASER Series Hydrogen Chloride (HCl) Analyzer uses Tunable Diode Laser Absorption Spectroscopy (TDLAS) to continuously measure HCl concentrations in industrial process gases and flue gas. TDLAS measures HCl through the selective absorption of laser light at specific wavelengths. The gas analyzer detects changes in laser intensity and analyzes the absorption spectrum to calculate HCl concentrations. This technology provides high selectivity, sensitivity, and rapid response, enabling accurate measurements from ppm to ppb levels.
| Parameter | Value |
|---|---|
| Measured Gas | Hydrogen Chloride (HCl) |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Measuring Range | 0–20/200ppm |
| Accuracy | ≤±1% FS |
| Repeatability | ≤±1% FS |
| Resolution | 0.1ppm |
| Drift | ≤1% FS |
| T90 Response Time | ≤30S |
| Measurement interval | 1s |
| Power Supply | 220V ±40VAC, 50Hz ±1Hz, ≤150W. |
| Analog Output | 4-20mA, maximum load 550Ω |
| Digital Output | RS485, supporting the MODBUS RTU protocol |
| Relay Output | Load capacity: AC/DC 24V/1A |
| Warm-Up Time | 30min |
| Maximum Sample Gas Humidity | 90%RH |
| Sample Gas Flow Rate | 2L/min |
| Sample Gas Pressure | Atmospheric pressure ±5 kPa |
| Sample Gas Temperature | ≤50 °C |
| Sample Gas Interface | Ø6 mm card holder |
| Dimensions (W × L × H) | 430mm × 410mm × 170mm |
| Weight | 15kg |
| Note | Measurement range can be customized by the requirement |
We will contact you within 1 working day, please pay attention to the email with the suffix “[email protected]” .
