
Safety and Warning information
Read and understand all instructions
in the operation section of this operating manual
before use.
Do not substitute components as this
may impair intrinsic safety and invalidate warranty.
Observe all warnings and
instructions marked on the instrument and within
this operating manual.
Observe site health and safety
procedures for gases being monitored and
evacuation procedures.
Make sure you understand the
alarm warnings.
If this product is not working properly,
read the operating manual or call The Linde Group.
The accuracy of G-TECTA™ 4GP
instruments equipped with toxic gas sensor(s) should
be checked periodically with known concentration
calibration gas. Failure to check accuracy can lead
to inaccurate and potentially dangerous readings.
G-TECTA™ 4GP instruments equipped with an oxygen
sensor should be periodically calibrated in fresh air.
Ensure maintenance and calibrations
are carried out in accordance with the procedures in
the operating manual.
The equipment is not certified
for use in atmospheres containing more than
21% oxygen.
G-TECTA™ 4GP portable gas detectors
have been designed for the detection of either oxygen
deficiencies or specific toxic gas accumulations.
An alarm condition indicates the presence of a
potentially life threatening hazard and should be
taken very seriously.
Ensure only qualified
service personnel change sensors, batteries
and operating system.
Only charge batteries in safe
(non-hazardous) areas.
Instructions – specific for use
in hazardous areas
The following instructions apply to equipment
covered by certificate numbers
IECEx BAS 09.0118 and Baseefa09ATEX0246.
The following information covers all relevant points
listed in clause 1.0.6 of the Essential Health & Safety
Requirements of the ATEX directive.
1. The certification marking is as follows:
2. The G-TECTA™ 4GP may be used in Zones 1
and 2 with Groups IIA, IIB, and IIC flammable
gases and vapours for Temperature Classes T1,
T2, T3 and T4 (rechargeable versions)
and Temperature Classes T1, T2 and T3
(replaceable battery versions).
Replaceable Battery
Rechargeable Battery
Contents
Safety and Warning information 3
Instructions – specific for use
in hazardous areas 3
Introduction 4
Sensors 4
Key Features 5
Software 5
Batteries 5, 6, 10, 11
Product Features 6
Switching on 6
Auto Zero 6
Switching off 7
Instrument Storage 7
Normal Operation and Confidence Signals 7
Screen Icons 7
Display Symbols 7
Alarms 8
Data & Event Logging 10
Wearing the Instrument 11
Gas Sampling 12
Maintenance, Calibration and Gas Testing 13
Gas Test/Calibration Troubleshooting 14, 17
G‑TECTA 4GP Instrument with Ozone Sensor 15
PC Interface and PC Software 16
Product Specification 17
Accessories 18
Troubleshooting 19
Sensor Limitations 20
Available Sensors 20
Declaration of Conformity 21
The Linde Group Warranty 22
Whilst The Linde Group has made every effort to
ensure that the details and information given in both
our printed and online publications are accurate at
the time of issue, full technical specifications are not
necessarily included. Furthermore The Linde Group
policy is one of continuous improvement and the
right is reserved to alter details and information as
the need arises. Accordingly the Customer should
check any details and information they wish to rely
on with The Linde Group at the time of purchase. The
Linde Group can not accept liability in respect of any
errors or omissions herein contained or for any loss
or damage malfunction or consequential lost arising
from reliance upon our publication.
The customer will be responsible for any risk to
health or safety from goods in the Customer’s
possession and/or control. The Customer’s attention
is drawn to the fact that statutory regulations and
recognised codes of practice exist covering the
use and handling of some goods (including safety
products.) The Customer must ensure that persons
who use the goods receive adequate training and
safety literature.
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