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.

FIX800 Fixed Chlorine Gas (Cl₂) Toxic Gas Detector — Industrial and Laboratory Leak Monitoring (Seoul)

FIX800 Fixed Toxic Gas Detector — Cl₂ (Chlorine) Monitoring

This article introduces the FIX800 fixed gas detector configured for Cl₂ (chlorine gas) monitoring in industrial plants and laboratories where toxic gas exposure is a hazard.

FIX800 Fixed Chlorine Gas Detector

The FIX800 is a wall-mounted fixed monitor designed for continuous gas concentration measurement. It uses analog outputs, RS-485 communication, relay contacts, and an integrated beacon to alert workers with audible and visual alarms when a toxic gas leak is detected.

Alarm Threshold Configuration

Alarm setpoints are user-configurable. Units are shipped with default values aligned to STEL and TWA occupational exposure limits. All settings are adjusted using the infrared remote control — no tools or software required.

★ Before delivery, every unit is tested with certified span gas to verify correct sensor response and alarm operation. Span gas testing is mandatory and performed on all units prior to shipment. ★

Toxic gas releases outside of fume hoods can be extremely dangerous. Fixed leak detection is essential wherever toxic gases may be present beyond controlled extraction systems. The installation shown here covers a hazardous-area mounting; probe positions may be adjusted depending on the final work configuration. Multi-point installations and integrated monitoring systems are available.

Frequently Asked Questions

Q1. Why is chlorine gas (Cl₂) hazardous?

Chlorine is a yellow-green toxic gas with a pungent odor. Even at low concentrations it irritates the eyes, nose, and respiratory tract; high-concentration exposure can cause pulmonary edema and asphyxiation. Korea's OSHA sets a TWA of 1 ppm and STEL of 3 ppm for chlorine — precise concentration detection and immediate alarm response are essential.

Q2. In which environments is a chlorine gas detector required?

Any facility using or generating chlorine or chlorine compounds requires fixed detection — including water treatment plants, chemical plants, semiconductor fabs, paper and textile factories, and laboratories. Anywhere chlorine may be present outside a fume hood must have a fixed detector installed.

Q3. What are TWA and STEL?

TWA (time-weighted average) is the maximum allowable average exposure over an 8-hour workday. STEL (short-term exposure limit) is the maximum allowable concentration for a 15-minute period. For chlorine, TWA is 1 ppm and STEL is 3 ppm. FIX800 units ship with these values as default alarm setpoints.

Q4. Why is pre-delivery span gas testing mandatory?

Span gas testing confirms that the sensor responds correctly to the target gas and that alarm outputs activate at the configured thresholds. Units that have not been span-tested may fail silently or respond inaccurately in the field. Testing before delivery provides a verified baseline for reliable operation.

Q5. How are multi-point chlorine detector installations managed?

FIX800 supports RS-485 communication, allowing multiple detectors to connect to a single controller or monitoring system. Centralized monitoring enables location-specific alarm identification when a leak occurs at any point in the network, supporting faster and more targeted emergency response.

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