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Hubei Cubic-Ruiyi Instrument Co., Ltd
24 Dec 2025
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Online Biogas Analysis System Gasboard-3500
Introduction
EX-proof Online Biogas Analysis System Gasboard-3500 is an online monitoring system with wall-mounted ex-proof enclosure, mainly used for continuous measuring CH4, CO2, O2, H2S in different biogas, landfill gas, biomethane gas applications. Modular sensor design enables easy maintenance. With flexible gas conditioning system, it could be used in tropical /cold regions. It consists of three parts: pretreatment unit, control unit and analysis unit. It can implement sampling, drainage and other operations automatically and achieve 24 hours unattended working conditions.
Brand:Cubic-Ruiyi
Product Group：Biogas Analyzer
Features
●Ex-proof type applied to Zone 2 hazardous area. ●Different solutions for raw biogas, high/low H2S, clean biogas, biomethane analysis. ●Long lifetime H2S modular sensor with auto-air purge. ●Auto diagnosis quickly check sensor malfunction. ●Robust design against biogas corrosion.
Specifications
| Gas | Technology | Measure range | Resolution | Precision | Repeatability |
| CH4 | NDIR | 0~100% | 0.01% | ±2%FS | ±1% |
| CO2 | NDIR | 0~50% | 0.01% | ±2%FS | ±1% |
| O2 | ECD | 0~25% | 0.01% | ±3%FS | ±1% |
| H2S | ECD | 0~9999 ppm | 1ppm | ±3%FS | ±1% |
| **Note: Measurement range can be defined as per request. |
| Response Time(T90) | <15s(NDIR) |
| Warm-up | 800s |
| Output | RS232 & 4-20mA |
| Power supply | 110~230VAC 50/60Hz |
| Mechanical specifications |
| Dimensions | H400 x W400 x D250 mm |
| Material | Cast aluminium, IP 65 |
| Ex-Proof Grade | ExdllCT6 |
| Working conditions |
| lnlet gas flow | 0.7~1.2L/min |
| lnlet gas pressure | 2-50kPa |
| Ambient temperature | 0℃ to 50℃ |
| Relative humidity | 5~85%RH non-condensing |
| Ambient pressure | 86~108 kPa |
| Wall-mounted lP65 cast aluminium cabinet for outdoor installation |
| Stainless steel connectors for gas inlet, gas outlet, zero air inlet and drain ports |
| Flame arresters at inlet and outlet ports for safety |
| Flexible sampling & pre-treatment system for different site conditions |
Applicaitions
●Landfill site ●Waste water treatment ●Bio-methane plant ●CDM project ●Anaerobic digestion●Other fermentation processes
Clients Reviews