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| Place of Origin: | China |
| Brand Name: | Airppb |
| Certification: | ISO9001 |
| Model Number: | Point-Type Gas Detector |
Point-Type Gas Detector
Solid technical performance is what enabled the Point-Type Gas Detector to pass BV type approval. This article breaks down its core specifications to help engineers and procurement professionals select the right model.
| Model | Target Gas | Range | Principle | Accuracy | Response Time | Ex Marking |
|---|---|---|---|---|---|---|
| GT-C100 | CH₄ (Methane) | 0-100% LEL | TDLAS | ±3% FS | ≤30 s | Ex db IIC T6 Gb |
| GQ-C100G-1 | O₂ (Oxygen) | 0-100% LEL | Catalytic | ±3% FS | ≤30 s | Ex db IIC T6 Gb |
| GQ-C100G-2 | CH₃OH (Methanol) | 0-100% LEL | Catalytic | ±3% FS | ≤30 s | Ex db IIC T6 Gb |
| GQ-C100G-3 | CO₂ (Carbon dioxide) | 0-5% Vol | Infrared | ±3% FS | ≤60 s | Ex db IIC T6 Gb |
| GQ-C100G-4 | H₂S (Hydrogen sulfide) | 0-100 ppm | Electrochemical | ±5% FS | ≤60 s | Ex db IIC T6 Gb |
| GQ-C100G-5 | NH₃ (Ammonia) | 0-25% | Electrochemical | ±2% FS | ≤30 s | Ex db IIC T6 Gb |
| GQ-C100B-1 | Cl₂ (Chlorine) | 0-100 ppm | Electrochemical | ±5% FS | ≤90 s | Ex ia IIC T4 Gb |
Among the specifications above, protection rating, explosion-proof marking, operating temperature range and communication interfaces are the key factors for marine suitability. This product offers industrial-grade protection and a wide operating temperature range for stable long-term operation in demanding areas such as engine rooms, pump rooms and LNG cargo zones, while flexible 4-20 mA / RS485 / Ethernet interfaces make it easy to integrate with existing ship monitoring systems.
BV type approval demands more than performance: it also subjects products to stringent tests on electromagnetic compatibility, environmental endurance and explosion safety. Certification note: The Point-Type Gas Detector (including the GQ-C100G series) falls within EC codes 21 and 31/41 of the BV Type Approval Certificate and is the core field instrument of the BV-approved gas detection and alarm system.
In the marine and offshore sector, gas detection equipment can only be installed onboard after passing type approval by an internationally recognized classification society. This product holds a Type Approval Certificate issued by Bureau Veritas (BV), confirming that its design, manufacture and performance fully meet the classification requirements for international voyages and offshore installations.
| 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) |
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