Hardware & Software



Gas volume conversion device

SIS presents its new generation of gas VCD ENVOL, T, PT and PTZ. Compliant with the MID directive, ENVOL was conceived in close collaboration with our customer network management personnel in order to implement in addition to the MID, innovative features which they needed to have. The purpose was to shorten as much as possible the installation and configuration time and to ease station management. In order to provide an A to Z solution, SIS in addition to its products offers a complete range of associated services, Indeed we have all the certifications needed to install, maintain, verify metrological compliance of VCDs on site.

Key features
  • ATEX directive  2014/34/EU compliance

ATEX Certificate: LCIE 08 ATEX 6056 X
CE 0081 EX 1 G
Ex ia IIA ou IIB T4

  • MID directive 2014/32/EU compliance

Certificate: LNE-15546
Standard EN12405-1/A1 compliance

  • EMC directive 2014/30/EU compliance


3G/GSM/GPRS stand-alone RTU

SIS presents its new stand-alone GSM/GPRS RTU, TAIGA. Accredited ATEX, its small size makes of the TAIGA the ideal solution for the remote management of all type of gas stations (network or customer). In addition, TAIGA does not need to be powered nor connected to a phone line (as it has already it GSM/GPRS modem integrated), a handy feature when installing in industrial areas or even in more isolated stations.

Key features
  • ATEX directive 2014/34/UE Compliance

ATEX Certificate : LCIE 10 ATEX 3098 X
CE 0081 EX II 1 G
Ex ia IIA T4 Ga ou Ex ia IIB T4 Ga

  • R&TTE directive  1995/5/EC Compliance


ATEX power supply

ALEX is an ATEX power supply, compatible with TAIGA, ENVOL and Meditel. This power supply exists in a mains or solar version and enables the different devices to be powered not through batteries, although being in ATEX area. This permanent power supply means the devices can be contacted at any time. In addition there is no more battery to change, with all the stock and intervention management implied.

Key features
  •  ATEX directive 2014/34/UE compliance

ATEX certificate: LCIE 09 ATEX 3064 X
CE 0081 EX II (1) G
[Ex ia Ga] IIA ou [Ex ia Ga] IIB T4

  • EMC directive 2014/30/UE compliance
  • LVD directive 2014/35/UE compliance


RTU station

Essential in the utilities field of activity the GAZELE RTU, manages, commands and supervises remotely your infrastructure.  This RTU can communicate through a large choice of means (ADSL/3G/ Web Serve, Fiber Optic, Wifi…). You can customize and have a fit to purpose solution on your network. Our RTU is modular and will therefore be built to your requirements. With the help of GazELE, minimize error sampling time, receive alarms as the event occurs, secure data string… but most of all cut on maintenance costs and improve network integrity.

Key features
  • EMC directive 2014/30/EU compliance


PCE-LOG is a data logger for remote monitoring of the cathodic protection

It takes into account 3 digital inputs and 3 analog inputs (one could be used for counting purposes). It is conceived to work in places where neither electricity nor PSTN phone lines are available. Its internal battery provides a lifetime of 3 years in normal usage circumstances. Communication with the server is done through SMS thanks to a built in GSM/GPRS modem.

Key features
  • EMC directive 2014/30/EU compliance
  • LVD directive 2014/35/EU compliance

More products : Look at our Software

they trust us

  • EMMER service
  • GRDF
  • GRT Gaz
  • Engie