Consilium ST350EX-NDIR CO2 (R744) Gas Detector (1226033)
ST350EX-NDIR NDIR infrared gas detector for CO2 (R744) detection over 0-10 Vol.%. The manufacturer describes the ST350EX as an all-round gas detector and states that infrared sensors (NDIR) are available for CO2 (R744) or N2O. Manufacturer-listed system references: CGD50, CGD500 TOUCH. Manufacturer wiring diagrams show 3-wire 4-20 mA transmitter operation, Modbus RTU slave operation, and combined 3-wire 4-20 mA plus Modbus operation; they do not establish site-specific installation requirements.
- Original manufacturer
- Consilium Safety Netherlands B.V.
- Name
- Consilium ST350EX-NDIR CO2 (R744) Gas Detector (1226033)
- Model
- ST350EX-NDIR
- Part number
- 1226033
Supply availability and delivery time require confirmation. A catalog reference does not imply stock.
Specifications
| Manufacturer approvals / certifications | Refer to the original manufacturer documents; current certification validity is unverified. |
|---|---|
| Analogue Output | 4-20 mA (2 mA system failure, >20 mA overrange) |
| Detection Range | 0-10 Vol.% |
| Detector Type | ST350EX-NDIR |
| Digital Output | RS485 Modbus RTU (half-duplex) |
| Gas Sensor Enclosure | SS 316 |
| Gas Type | CO2 (R744) |
| Ingress Protection | IP 66 (Sensor IP 6x) |
| Operating Temperature | -20 to +50 °C (NDIR) |
| Power Supply | 18-30 VDC (max. 120 mA) |
| Pressure Range | 700 to 1300 hPa |
| Relative Humidity | 15-95 % (non-condensing) |
| Sensor Type | NDIR infrared |
Compatibility
- Refer to the manufacturer documentation for system compatibility.
System selection requires technical confirmation.
Request technical confirmationAccessories
- Refer to the manufacturer documents for model-specific accessories and installation requirements.
Original documents & sources
Source pages
- https://nl.consiliumsafety.com/content/1-producten/9-st350-ex/consilium_datasheet_en_st350ex.pdf
- https://nl.consiliumsafety.com/content/1-producten/9-st350-ex/consilium_datasheet_en_st350ex.pdf#page=1&native-product-image=9c02a848b2e05fe6d987c2e44075d79abd4a1deb8b705abddbea1cd121f3df48&format=png
- https://nl.consiliumsafety.com/content/1-producten/9-st350-ex/consilium_datasheet_en_st350ex.pdf#page=1&native-product-image=9c02a848b2e05fe6d987c2e44075d79abd4a1deb8b705abddbea1cd121f3df48
Original manufacturer data retained. Product enquiry and technical sourcing by MAXONE Marine. Last reviewed: 2026-11-05.