What does WANDI Korea do?

WANDI Korea is the official Korean distributor of WANDI environmental and gas measurement instruments, operated by RS Korea Co., Ltd. We provide sales, calibration, repair, installation, and technical support for portable and fixed multi-gas detectors and air quality monitoring systems, exporting to more than 20 countries with over 5,000 delivery records.

What products do you offer?

We supply portable multi-gas detectors (EDW100, EDW500, Gas Tiger series), fixed multi-gas detectors (FIX800, FIX900, FIX-AP), air quality monitoring systems (FIX5000), and gas leak detectors (GLD series) for industrial safety and environmental measurement.

Which gases can be measured?

Our instruments measure oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), combustible gases (EX), carbon dioxide (CO2), ammonia (NH3), and volatile organic compounds (VOC), among other hazardous and combustible gases found on industrial sites.

Do you provide calibration and repair services?

Yes. Beyond product sales, WANDI Korea provides in-house and national certified calibration, repair, installation, and ongoing technical support. Calibration and repair requests can be submitted through the quote/calibration/repair pages on our website.

How can I get a quote for a gas detector?

You can request a quote directly through the quote page on our website or through a nearby dealer. Let us know your application and target gases, and we will recommend a suitable model.

In which fields are the products used?

They are used across a wide range of industrial sites including laboratories, factories and plants, hospitals, military facilities, livestock and wastewater treatment, and construction sites for worker safety and environmental monitoring.

Installation] Pyeongtaek pellet boiler steam production plant co measurement

CO Gas Detector Installation at Pellet Boiler Steam Production Plant — Pyeongtaek

A steam production facility in Pyeongtaek, Gyeonggi Province, which burns pellet wood as fuel to generate industrial steam, engaged WANDI's authorized distributor to install fixed-type CO (carbon monoxide) gas detection equipment inside the plant. Following an initial site survey visit and a subsequent installation visit, two units of the WANDI FIX800 fixed gas detector were deployed alongside indoor and outdoor LED display boards, providing continuous real-time CO monitoring and enabling workers to verify internal gas concentrations before entering the facility.

Installation Specifications

Item	Details
Detector Model	WANDI FIX800 Fixed-Type Gas Detector
Target Gas	CO (Carbon Monoxide) — measurement range 0–1,000 ppm
Regulatory Standard	Korea Occupational Safety and Health Act — Confined Space 5-Gas Standard
Quantity & Placement	2 units: (1) worker entrance door; (2) highest suspected CO leak point inside the plant
Display Boards	2 × LED signboards: 1 inside (large LED for workers), 1 outside entrance (external concentration check before entry)
Wiring Method	Cable tray installation — power supply and RS485 communication lines connecting detectors to display boards
Installation Environment	High-temperature combustion zone; pellet wood biomass boiler; semi-enclosed factory interior

CO Hazard Characteristics in Biomass Combustion Environments

Pellet wood combustion produces CO as an inevitable by-product; even brief exposure at elevated concentrations can cause acute carbon monoxide poisoning in enclosed spaces.
CO is colorless and odorless — it cannot be detected by human senses alone, making fixed continuous monitoring essential in high-temperature boiler rooms.
The Korea Occupational Safety and Health Act designates CO as one of the five critical gases requiring monitoring in confined or semi-confined workspaces; the applicable measurement range is 0–1,000 ppm.
Ambient temperature near the boiler area is significantly elevated, which can accelerate CO accumulation and reduce the safe working time for personnel inside the facility.
Human exhalation alone can raise ambient CO to approximately 8 ppm; in an active combustion environment with insufficient ventilation, concentrations can escalate rapidly to life-threatening levels.

Frequently Asked Questions

Why was a fixed CO detector chosen over a portable unit for this application?

Fixed detectors provide continuous 24/7 monitoring without requiring personnel to carry equipment, which is critical in a semi-enclosed combustion environment where CO can accumulate at any time — including during unmanned periods. The WANDI FIX800 also supports external display boards, enabling remote visibility of gas concentrations from outside the plant.

What is the measurement range set for the CO detector at this facility?

The CO detectors were configured for a measurement range of 0–1,000 ppm in accordance with Korea's Occupational Safety and Health Act standards for confined spaces. This range allows early-warning alarm triggering at low concentrations while also capturing high-concentration events during or immediately after combustion.

How do the LED display boards improve worker safety?

Two LED signboards were installed — one inside the plant so workers can see live CO readings at a glance, and one outside at the entrance so personnel can check internal conditions before entering. This dual-display configuration prevents workers from unknowingly entering an already-contaminated space and allows supervisors to monitor conditions without entering the hazardous area.

How were the detectors and display boards connected?

A cable tray was constructed to route both power supply cables and RS485 communication lines from the internal detectors to the external display board. This structured wiring approach protects cables in the high-temperature, high-humidity environment typical of a steam plant and ensures signal integrity over the required cable run.

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