Consilium ST450EC O₂ Longlife Gas Detector (1228000/LL3)
Consilium ST450EC international-standard oxygen detector with a 0-25 Vol.% measuring range and LL3 Longlife ordering code.
- Original manufacturer
- Consilium Safety Netherlands B.V.
- Name
- Consilium ST450EC O₂ Longlife Gas Detector (1228000/LL3)
- Model
- ST450EC-O2 Longlife
- Part number
- 1228000/LL3
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. |
|---|---|
| Cable Gland | Standard Brass, optional SS (thread M20x1.5) |
| Dimensions | 179 x 189 x 107 mm (HxWxD) |
| Display | Digital graphic display with backlight |
| Enclosure Gas Sensor | SS 316 |
| Enclosure Material | Coated aluminum or SS |
| Gas Type | O₂ |
| Ip Rating Footnote | * IP ratings do not imply that the equipment will detect gas during and after exposure to those conditions. |
| Ingress Protection | IP 66 (Sensor IP 6x)* |
| Load Impedance | max. 160 Ω at 24 VDC |
| Measuring Range (o₂) | 0-25 Vol.% |
| Model Designation | ST450EC-O2 Longlife |
| Operating Temperature | -30 to +55 °C* |
| Order Code | 1228000/LL3 |
| Ordering Condition Footnotes | * Acc. EN 50104: -10 to +50ºC / 20 to 90 r.H. N.C **Acc. EN IEC 62990-1: -25 to +55 °C / 20 to 90 % r.H. N.C |
| Outputs | Analogue: 4-20 mA (<2.4 mA system failure, >20 mA overrange) Digital: RS485 Modbus RTU (half-duplex) |
| Power Supply | 24-28 VDC (max. 40 mA)(120 mA remote) |
| Pressure Range | Toxic: Atmospheric ± 10%, Oxygen: 80 to 120 kPa |
| Relative Humidity (n.c.) | 20-90% |
| Sensor Type | Electrochemical sensor (2 or 3 electrodes) |
| Signal Cable (remote) | 4-wire shielded, 0.75 … 2.5 mm2 (excluding earth connection and Modbus) |
| Signal Cable (standard) | 2-wire shielded, 0.75 … 2.5 mm2 (excluding earth connection and Modbus) |
| Status Led Display | Green: OK, Red: Alarm, Yellow: SF (System Failure), Blue: User menu active |
| Weight | 1.8 kg (Alu), 3.15 kg (SS) |
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/10-st450-ec/datasheet_uk_st450ec.pdf
- https://nl.consiliumsafety.com/content/1-producten/10-st450-ec/datasheet_uk_st450ec.pdf#page=1&native-product-image=1d9d61df29ae6c3b0d5f6c663f81ca3a4c75ce6f9683e99b4b76e204a041933a&format=png
- https://nl.consiliumsafety.com/content/1-producten/10-st450-ec/datasheet_uk_st450ec.pdf#page=1&native-product-image=1d9d61df29ae6c3b0d5f6c663f81ca3a4c75ce6f9683e99b4b76e204a041933a
Original manufacturer data retained. Product enquiry and technical sourcing by MAXONE Marine. Last reviewed: 2026-11-05.