GasSecure GS01
Hardware Manual
CERTIFICATIONS
33
The instrument marking string
II 2G Ex ib IIC T4 Gb means the following:
Equipment group II
Electrical apparatus for places with an explosive gas atmosphere other than mines
susceptible to firedamp.
Category 2
Equipment designed to be capable of functioning in conformity with the operating
parameters established by the manufacturer and of ensuring a high level of
protection. Equipment in this category is intended for use in areas in which
explosive atmospheres caused by vapours, gases, mists, or air/dust mixtures are
likely to occur. The means of protection relating to equipment in this category
ensure the requisite level of protection even on the event of frequently occurring
disturbances or equipment faults, which normally have to be taken into account.
G
The instrument is approved for use in gas, vapour, and mist atmospheres.
Ex ib
The method of protection is “intrinsic safety”.
Gas group IIC
Not
restricted to certain gases.
IP66/67
Ingress protection level (as defined in EN 60529).
Temperature class T4
The maximum surface temperature of components will not exceed 135
o
C.
Gb
Equipment protection level “Gb”: Equipment for explosive gas atmospheres,
having a "high" level of protection, which is not a source of ignition in normal
operation or during expected malfunctions.
Figure 7-5: FCC compliance label
The GasSecure battery pack is marked with an identification label as shown in
Figure 7-6 below.
