R490 M MicroGC Specifications ➢ Rapid analysis of the quality of Biomethane, of its certified Metrology SHV and of THT ➢ 5U 19" Rack ➢ Turnkey analysis ➢ Modbus link to supervisor or PLC ➢ Serial Modbus link dedicated to Metrology The measurement of the quality of Biomethane and its heat value are essential parameters before injection into the natural gas network. The R490 M analyzer has been developed to meet this requirement. Immediate start-up. The instrument is delivered ready for use with acceptance report. The entire analytical method is provided with the device. Compact system. The system is mounted in a 5U 19" Rack compatible with standard analysis bays. Connection. The R490 M is designed to be connected by serial Modbus link to allow the transmission of results. Quick analysis. The R490 M can perform a measurement every 3 minutes. __________ Configuration : • Two specific channels for the analysis of the quality of Biomethane, H2S, COS and the certified SHV measurement • A third channel with a dedicated sample input for the analysis of THT or other compounds • Computer and embedded software including: - Automation - Piloting - Control - Integration and calculation - Modbus tables SRA INSTRUMENTS 210 rue des Sources 69280 Marcy l'Etoile FRANCE System settings : • With the Soprane software installed on the embedded PC • Possibility to connect directly screen, keyboard, mouse on the analyzer for maintenance operations • Possibility of remote control via Ethernet connection SAS au capital de 150.000 € RCS Lyon B 342 068 731 APE 4669B SIRET: 342 068 731 00054 Co

Injector : • Miniature without moving part • Variable injection volume from 1 µL to 10 µL programmable by software • Heated Sample : • Swagelok stainless steel inlet connection • Integrated high capacity 5µm dust filter • Maximum inlet pressure 1 bar rel. • Minimum inlet pressure 0.1 bar rel. Oven : • Isotherm can be set from 40 °C to 180 °C Environment : • Relative humidity : 0 to 95 % • Temperature : -10 °C to 40 °C Detector : • Micro catharometer (TCD) • Two channels (sample and reference) • Internal volume: 200 nL per channel • Filaments: 4 Quantification limit : • a few ppmV Measuring range...