GasSecure GS01
Safety Manual
4 CHAPTER 1
1. INTRODUCTION
1.1 Scope
This manual contains all information and safety instructions required when using
the GasSecure GS01 gas detector (all configurations as outlined in Section 1.7) in
safety-instrumented systems.
The combination of the GS01 detector with a safety controller forms a safety
instrumented system that performs the overall safety function. This manual covers
the detector. It is assumed that the user is familiar with SIL2 compliant safety
controllers, the PROFINET protocol, and the PROFIsafe profile.
The safety manual addresses system planners, constructors, service and
maintenance engineers and any personnel commissioning and operating the
device.
For complete information regarding performance, installation, operation,
maintenance and specifications of the above products, please refer to the
associated user manual [RD 1]. In case of discrepancies, this manual takes
precedence over the user manual.
1.2 End-user registration
Registration of GS01 users with GasSecure is a condition for the safe operation of
the GS01 gas detector throughout the product life.
Please make sure that your end-user contact details are registered with
GasSecure so that you can be contacted in the event of safety relevant product
information.
1.3 Instrument description
The GS01 is a wireless, battery powered point detector that monitors the
concentration of hydrocarbon gases.
It uses a combination of two sensors:
1. An ultrasonic speed-of-sound sensor that continuously monitors changes in
the ambient air composition
2. An optical (infrared) absorption sensor that is used for accurate
measurements of the hydrocarbon gas concentration
The infrared sensor uses more power than the ultrasonic and is therefore kept in
watch mode if the ultrasonic sensor does not detect any changes in the air
composition. The infrared sensor applies optical MEMS (Micro Electro Mechanical
System) technology to enable intermittent operation with fast start-up and
measurement, and thus a low average battery consumption.
