Ampcontrol Pty Ltd
– ABN 28 000 915 542
GG2 DETECTOR USER MANUAL
GG2B011 Version 3
– June/19
Uncontrolled Copy - Refer to Ampcontrol Website for Latest Version
Page 17 of 39
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3.8 Enclosure
3.8.1 Stainless steel housing
The GG2 Detector circuitry and sensor elements are incorporated in a stainless steel housing. The
housing is robust and corrosion resistant. It is suitable for almost all applications and provides for easy
installation.
3.8.2 Ingress protection rating:
The GG2 Detector has been designed fit for purpose for the harsh environment of an underground
coalmine.
When mated, the enclosure and electrical connection (P1) achieves an ingress protection rating of IP66.
The gas inlet is fitted with a hydrophobic barrier to prevent liquid water and dust from entering the gas-
sampling chamber. The hydrophobic barrier has a three-dimensional structure to minimise the likelihood
of total blockages occurring.
Table 4: Ingress Protection Rating
Section
Ingress protection rating
The enclosure and electrical connection P1 when mated
IP66
Gas sensing inlet and sensor elements
IP54
CAUTION!
IP ratings do not imply that the equipment will detect gas during and
after exposure to those conditions
CAUTION!
If the Hydrophobic barrier is completely blocked no diffusion can occur
and the GG2 Detector cannot respond to a change in gas concentration
A visual inspection and bump test should be performed if the GG2 Detector has been exposed to
excessive dust and water.
