IGD TOC-903-X5 Dual Gas Detector

The TOC-903-X5 Gas Detector offers dual gas detection capabilities in a single transmitter, enabling the easy and compact detection of two gases—selected from a list of 400 different gases—using a single smart transmitter.

The TOC-903-X5 Gas Detector is available with ATEX- and IECEx-certified housing options and is approved for Zone 1 and Zone 2 for explosive gas hazards and for Zone 21 and Zone 22 for dust hazards. It is equipped with 2 x 4–20 mA analog outputs, 1 x 2-wire addressable output, and 3 x relay outputs on a single detector.

As a result, it can operate both independently (as a standalone unit) and as part of a large addressable system, making it ideal for any environment.

Thanks to the IGD’s software infrastructure, two digital gas detectors—including catalytic, PID, electrochemical, IR, ionic, and semiconductor types—can be connected directly. With a wide range of sensor options for over 400 different gases and a contactless, single-person calibration feature, the TOC-903-X5 is the most flexible gas detector on the market.

The 903-X5 gas detector transmitter is extremely easy to use. With its digital display showing concentration levels, alarms, and fault status, as well as its user-friendly buttons, the 903-X5 provides you with all the important information directly from the digital detector head. The 903-X5 can also be equipped with all IGD accessories, ensuring that your gas detector is fully adaptable to any environment with all necessary accessories.

The Most Versatile Gas Detector Transmitter on the Market
This gas detector transmitter is available in an ATEX- and IECEx-certified enclosure approved for Zones 1 and 2 (explosion hazards) and Zones 21 and 22 (dust hazards). It is equipped with 2 analog outputs, 1 2-wire addressable output, and 3 relay outputs in a single detector. This allows it to be used independently or as part of a larger addressable network, ensuring excellent adaptability to any environment. The TOC-903-X5 gas detector transmitter is equipped with a 5-port housing that provides easy access for installation. With IGD’s software design, you can also have two directly connected digital gas detectors, including catalytic, PID, electrochemical, IR, ionic, and semiconductor types. With a wide range of sensor options for over 400 different gases and a hands-free, single-person calibration feature, the TOC-903-X5 is the most flexible gas detector transmitter on the market.

Single-Person Calibration – Non-Interactive Screen
Since the system uses our magnetic rod technology, no hot work permit is required during detector maintenance and installation. This allows you to calibrate, commission, and integrate the sensors directly from the gas detector transmitter without a hot work permit. This reduces the time spent on-site for calibration visits and enhances safety in environments where there is a risk of explosion.

Dual Detector Feature – 5-Port Enclosure
Our TOC-903-X5 product features our new 5-port ATEX enclosure design. This allows you to easily install the detector and connect it to third-party systems via easily accessible wiring ports. In addition, the 903-X5 features three relay outputs, which allow you to control auxiliary devices locally, further reducing installation time and cost.

Finally, the TOC-903-X5 allows you to connect up to two IGD digital gas detectors, enabling you to use any combination of sensor types. When our smart plug-and-play sensors are paired with the TOC-903-X5 gas detector transmitter, the transmitter automatically detects the new sensors and performs automatic setup. This significantly reduces time spent in the field and minimizes human error during commissioning and sensor replacement.

Color-Changing Display – System Status at a Glance
Our bright LED display provides users with system status and real-time gas readings at a glance. With a simple color-coded alarm system featuring green (normal), red (alarm activated), and orange (malfunction) indicators, personnel working in the area are immediately informed of the current gas status.

World-Leading 2-Wire Addressable Technology
Tüm bu benzersiz özellikler, IGD’nin lider 2 Telli adreslenebilir teknolojisinde mevcuttur, bu da kablolama gereksinimlerini azaltır ve böylece müşterilere kurulumda %70-80 tasarruf sağlar. 2 Telli teknolojimiz ayrıca gaz dedektörü vericinizin dijital olarak iletişim kurmasını sağlar, böylece güvenilirliği ve bütünlüğü büyük ölçüde artırır. Güç ve iletişim için sadece iki kablo ile mevcut sistemler, orijinal kablolamaları kullanılarak kolayca yükseltilebilir ve gerekli olan daha fazla dedektör ve cihaz kolayca eklenebilir. Bu sizin için uygun değilse endişelenmenize gerek yok, çünkü TOC-903-X5 gaz dedektörü vericimiz klasik analog formatta da mevcuttur. Böylece, her türlü sistem gereksinimi için uygundur.

  • 2 × 4–20 mA output
  • 3× Relay Output
  • 5× Sealed 20mm Inlet Ports
  • Sentinel+™ 2-Wire Digital Communication (2-Wire Addressable)
  • 1 or 2 directly connected gas sensors (dual-gas detector)
  • Non-interventional, single-person calibration
  • Color-changing LCD screen
  • ATEX and IECEx certified for Zone 1 and 2 explosive atmospheres and Zone 21 and 22 dust
  • Ingress Protection: IP66
  • Housing: Flame-retardant aluminum-grade housing or Navy Blue Powder Coating
  • Humidity: %0-95 RH, non-condensing
  • Temperature: -20° to 55°C
  • Weight: Approximately 1.2 kg
Types of Gas

Long-Life Pellistor

  • General Flammable Gases – MK8 Pellistor 0-100%LEL

Infrared

  • Carbon Dioxide (CO2) 0–5,000 ppm
  • Carbon Dioxide (CO2) 0–5% VOL
  • General Flammables – 0-100%LEL
  • Methane (CH₄) 0–1001 TP3TVOL
  • Sulphur Hexafluoride (SF₆) 0–1,000 ppm

Electrochemical

  • Acetylene (C₂H₂) 0–200 ppm
  • Carbon Monoxide (CO) 0–100 ppm
  • Carbon Disulfide (CS₂) 0–100 ppm
  • Ethylene (C₂H₄) 0–200 ppm
  • Ethylene Oxide (ETO) 0–10 ppm
  • Ethylene Oxide (ETO) 0–100 ppm
  • Formaldehyde (CH₂O 0–5 ppm)
  • Hydrogen (H₂) 0–1,000 ppm
  • Hydrogen (H₂) 0–2,000 ppm
  • Hydrogen (H₂) 0–40,000 ppm
  • Hydrogen Cyanide (HCN) – 0–10 ppm
  • Hydrogen Sulfide (H₂S) 0–50 ppm
  • Hydrogen Sulfide (H₂S) 0–100 ppm
  • Hydrogen Sulfide (H₂S) 0–5,000 ppm
  • Nitric Oxide (NO) 0–5 ppm
  • Nitrogen Dioxide (NO₂) 0–5 ppm
  • Silane (SiH₄) 0–20 ppm
  • Sulfur Dioxide (SO₂) 0–5 ppm

Photoionization Detector (PID)

  • VOCs 0–10 ppm
  • VOCs 0–100 ppm
  • VOCs 0–200 ppm
  • VOCs 0–1,000 ppm
  • VOCs 0–2,000 ppm
  • VOCs 0–5,000 ppm

Ionic Ammonia

  • Ammonia (NH₃) 0–100 ppm
  • Ammonia (NH₃) 0–500 ppm
  • Ammonia (NH₃) 0–1,000 ppm
  • Ammonia (NH₃) 0–5,000 ppm

Long-Life Oxygen

  • Oxygen, Lead-Free (O₂) 0–25% VOL

Refrigerant Gas Detectors (Contact IGD for a complete list)

  • Infrared Refrigerant (IR) – 0–2,000 ppm
  • R1 Group Refrigerants – 0–1,000 ppm
  • R2 Group Refrigerants – 1,000–10,000 ppm

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