GasTiger 2000 (4-Gas Safety) + GasTiger 3000 (HCl) Delivery — Confined Space and Process-Specific Gas Monitoring, Steel Manufacturing Plant (Daegu)

Steel Plant — Confined Space Safety 4-Gas Configuration + Dedicated HCl Process Monitoring

This delivery to a steel manufacturing facility in Daegu supplied two distinct gas detection solutions for two separate departments. A GasTiger 2000 four-gas configuration (O₂, CO, CO₂, H₂S) was provided for production and safety personnel to meet confined space pre-entry gas measurement requirements; a GasTiger 3000 dedicated HCl (hydrogen chloride) unit was supplied to the process quality control department for monitoring acid pickling operations. Steel manufacturing environments generate hazardous gases from both standard confined space sources and process-specific sources, making purpose-built detector configurations for each application essential.

Delivery Configuration

Primary Hazardous Gases in Steel Manufacturing Facilities

• CO (Carbon Monoxide) — The most prevalent hazardous gas from coke combustion and blast furnace operations. TWA 25 ppm. Mandatory monitoring across all steel production facilities
• H₂S (Hydrogen Sulfide) — Byproduct of coke manufacturing. TWA 1 ppm
• HCl (Hydrogen Chloride) — Generated in large quantities during acid pickling (scale removal using hydrochloric acid). TWA 1 ppm; high-concentration exposure causes serious respiratory tract damage
• O₂ (Oxygen) — Oxygen deficiency risk near coke ovens and blast furnaces. Mandatory evacuation below 18.0%
• CO₂ (Carbon Dioxide) — Combustion byproduct. Displacement of oxygen in enclosed areas creates asphyxiation risk

GasTiger 3000 — Specialty Toxic Gas Detector

• While GasTiger 2000 is optimized for standard four- to five-gas confined space configurations, GasTiger 3000 is purpose-built for dedicated single-gas monitoring of specialty toxic gases including HCl, HF, and HCN
• High-sensitivity electrochemical sensors specific to each specialty gas provide rapid and accurate detection at trace concentrations
• In high-HCl, high-humidity environments such as acid pickling lines, adding a moisture pretreatment unit (dehumidifier + particulate filter) is strongly recommended to protect sensor accuracy and service life

Frequently Asked Questions

Why are GasTiger 2000 and GasTiger 3000 used together in a steel plant?

The GasTiger 2000 is optimized for the five regulated confined space gases (O₂, CO, H₂S, LEL, CO₂) required under Korea's OSHA. The GasTiger 3000 handles specialty toxic gases — HCl, HF, HCN — that require dedicated high-sensitivity sensors not available in standard multi-gas configurations. Deploying both instruments provides comprehensive coverage of both statutory safety requirements and process-specific monitoring needs.

Why is a pretreatment unit recommended for HCl measurement in acid pickling processes?

Acid pickling generates HCl mist together with high-temperature, high-humidity gas. Moisture entering the electrochemical HCl sensor degrades measurement accuracy and significantly shortens sensor service life. A pretreatment module removes moisture and particulates before the gas reaches the sensor, maintaining measurement reliability in the harsh pickling environment.

What does pre-delivery product inspection involve?

All units are powered on and functionally verified — display, alarm, and communication functions are confirmed. Zero and span calibration states are checked using certified reference gas to ensure measurement accuracy. Alarm setpoints are verified against customer specifications before delivery. This process prevents initial failures and misconfiguration from reaching the customer site.

What is the replacement interval for HCl electrochemical sensors?

HCl electrochemical sensors typically require replacement every twelve to twenty-four months. In high-concentration HCl environments such as acid pickling lines, shortening the inspection interval to every six months is advisable to maintain measurement reliability before sensor degradation affects accuracy.

Which gases must be measured before entering confined spaces in a steel plant?

The five gases mandated by Korea's Occupational Safety and Health Standards — O₂, CO, H₂S, LEL, and CO₂ — are the baseline requirement. For steel facilities, supplementing with HCl monitoring near pickling areas and applying stricter CO alarm thresholds near blast furnaces and electric arc furnaces is strongly recommended, given the elevated CO concentrations characteristic of those production zones.

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