Operator's Manual
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© ExSens TECHNOLOGY (PTY) LTD2017
SCOPE
The document outlines the use of the ExSens X4portableGas Detection Instrument capable of
detecting up to four gasses and displaying the readings on a graphic display. This document also
describes the capability of responding to commands on a serial and radio interface.
DOCUMENT OVERVIEW
This document contains all of the required operational information as needed by the client.
This document is intended to be the primary source of information to properly install and operate
the instrument described herein.
IDENTIFICATION
The document is intended for the portable gas detection instrument model X4 manufactured by
ExSens Technology. The instrument will be identified as the ExSens X4.
1.1 Safety Overview
It is imperative that the EXSENS X4 instrument be used as directed. All the “intrinsically safe”
parameters must also be adhered to for proper safe use of the equipment in potentially gaseous areas.
The safety of the person(s) that the instrument is protectingwill be dependent on the condition and
serviceability of the instrument.
It is, and remains the responsibility of the user to comply with the laws and regulations where the
instrument is used, in as much as it applies to the instrument and the use thereof.
Special Conditions for Safe Use of ExSens X4 Instrument
Location Zone 0 & 1 Gas/ Coal dust: Underground and Surface
Hazard Frequency --- Continuous, as could occur under normal
operating conditions in hazardous area
Environment Group I + H2 Methane and coal dust / plus Hydrogen
Limiting Temperature 450°C (Methane gas)
150°C (Coal dust)
Ambient Temperature -20°C to 40°C
The use of apparatus in hazardous locations is subject to the following provisions as
applicable, which shall be adhered to:
SANS 10086 requirements;
Any conditions mentioned in approval report, available on request;
Codes of Practice enforced in terms of Regulations 21.17.2 of Minerals Act, by Chief
Inspector of Mines;
Any restrictions and conditions enforced by Chief Inspectors of Mines, Principal Inspector
(Group I equipment) or Chief Inspector of Factories (Group II equipment);
Any relevant requirements of the MHS Act or the OHS Act.