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 11 of 39
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3
PRODUCT OVERVIEW
3.1 Overview
The GG2 Detector is an intrinsically safe apparatus for the purpose of gas concentration level detection
and atmospheric monitoring. The equipment is housed in a metallic enclosure with a custom plug
interface on the top and is powered by and connected to suitably certified compatible equipment.
The GG2 detector can be mounted via the custom plug interface and is secured with the integral
retention clip. Optionally, the GG2 Detector may be mounted up to 10 meters away from a compatible
module using the optional remote cable assembly. The remote cable assembly allows the GG2 Detector
to be installed in an appropriate position for the target gas.
The GG2 Detector provides a high integrity digital output with extensive diagnostics and is factory
configured for a specific gas technology, type, and range. The GG2 Detector is IECEx Ex ia Group I
certified and the product shall only be used within the limitations of its entity parameters.
This document covers all gas sensor types for the GG2 Detector. The GG2 range of detectors types
consists of electrochemical, catalytic and infrared sensor types each with built-in conversion and digital
output of relevant gas values. The full range consists of:
Electrochemical:
o
Carbon Monoxide (CO)
o
Oxygen (O
2
)
Catalytic:
o
Methane (CH
4
)
NDIR:
o
Methane (CH
4
)
o
Carbon Dioxide (CO
2
)
3.2 Key Features:
Certified Intrinsically Safe - Ex ia I Ma
Tested to performance requirements of AS4641 and AS/NZS 60079-29.1
Rugged stainless steel construction
Failsafe architecture and digital interface
Extensive self-test routines
Economical
Reliable
Quickly detachable for easy calibrations
Wide range of gas types available
3.3 GG2 Display Module
Refer to GG2B023 GG2 Display User Manual for information on the GG2 Display.
3.3.1 Digital interface
The GG2 Detector communicates serially using a robust digital communication protocol across P1 pins 3
and 4.
NOTE
Compatible modules available from Ampcontrol fully implement the
GG2 Detector digital interface.
