| Item | Specification |
|---|---|
| System role | Central control cabinet for marine gas detection systems |
| Monitoring channels | Up to 112 (3-wire 4-20 mA) |
| System composition | Gas detectors + gas alarm control cabinet |
| Interlock targets | Ventilation equipment, PLC, DCS, fire-fighting systems |
| Methane detection principle | TDLAS (tunable diode laser absorption spectroscopy) |
| Power supply | AC 220 V (1±15%), 50-60 Hz |
| Supply chain | Fully in-house manufacturing |
| Item | Details |
|---|---|
| Certificate type | Type Approval Certificate |
| Issuing body | Bureau Veritas (BV), Marine & Offshore Division |
| Approved product | Gas Detection and Alarm Systems |
| Covered models | PR-GDS-100, PR-GDS-200 |
| EC codes | 21, 31/41 (covering GQ-C100G-1/2/3 point-type gas detectors) |
| Applicable rules | Bureau Veritas Rules for the Classification of Steel Ships / Offshore Units |
| Certificate No. | 81499 / A0 BV |
| File No. | MPA2502021 |
| Product code | 3820I |
| Place of issue | Bureau Veritas Shanghai |
| Date of issue | 10 October 2025 |
| Valid until | 10 October 2030 |
| Official verification | www.veristar.com (BV official certificate verification platform) |