Energizer PORTABLE GAS DETECTION INSTRUMENT Specifikace Strana 11
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Declaration of Conformity
In accordance with ISO/IEC 17050-1:2004 and European Directive 94/9/EC
We hereby declare that on the date the product accompanied by this declaration are placed on
the market, the product conforms with all technical and regulatory requirements of the directives
listed below.
Signed:
Name: Peter Upcott
Position: Global Category Manager – Safety Products
Company: The Linde Group, GU2 7XY, UK
Date: June 2010
Product Type
G-TECTA™ 4GP
Certification
BASEEFA09ATEX0246
IECEx BAS 09.0118
Applicable Directives
Electromagnetic Compatibility 2004/108/EC
Explosive Atmospheres 94/9/EC
Notified Body
Baseefa 1180 Buxton UK
Provisions of the Directive fulfilled by the product:
Group II Category 2G Ex ia d IIC T4 Gb (-20°C Ta + 55°C) IP65 Rechargeable instrument
Group II Category 2G Ex ia d IIC T3 Gb (-20°C Ta + 55°C) IP65 Replaceable battery instrument
Conformity – Harmonised Standards
EN60079-0:2006; EN60079-1:2007; EN60079-11:2007;
EN50270:2006; IEC 60079-26: 2007; EN50104: 2002; EN60079-29-1:2007
Conformity – Other Standards
EN61000-4-3:2006; DD ENV 50204:1999; EN61000-6-2:2001; EN61000-6-4:2001
Sensor Limitations
The sensors used in the G-TECTA™ 4GP have
limitations common to all gas sensors, and users
should be aware of the points listed below.
The Linde Group can advise on particular situations
and suggest alternative sensors if the instrument is
likely to experience extreme conditions.
G-TECTA™ 4GP flammable instruments use a catalytic
pellistor gas sensor. Common with sensors of this
type, instrument readings will be unreliable over
concentrations of approximately 120% LEL and
oxygen is necessary for catalytic sensors to operate.
A ‘pellistor saver’ is used to disconnect power to the
pellistor sensor in the event of “over-range” (above
100% LEL) to prevent burn out. This feature “locks
out” the sensor for 200 seconds, after which a press
of the mode button on the instrument will reconnect
power to the pellistor. Restart should be carried out
in a known clean air environment.
W A R N I N G
If the sensor power is reconnected
when the unit is exposed to an over-range gas
concentration there is a risk of damage to the
pellistor sensor.
W A R N I N G
Depleted oxygen levels can reduce
the flammable gas reading. If oxygen levels are
below safe breathing limits it should be assumed
that the flammable reading is low.
G-TECTA™ Electrochemical gas sensors (toxic gases
or oxygen), contain chemicals. Extreme levels of
humidity can cause problems. The sensors are rated
for an (average) ambient humidity of 20-90% R.H.
However the sensors are commonly used from the
tropics, to deserts, to tundra without any functional
issues. Water should not be allowed to collect on the
sensor as this may impede gas diffusion.
Persistent exposure to high levels of toxic gas
will shorten the life of a toxic sensor. If the high
level gas is corrosive (e.g. hydrogen sulphide),
damage may occur over time to metal components.
Sensors may be cross sensitive to other gases.
If unsure, contact The Linde Group.
* Reactive gases – see G-TECTA™ datasheet on gas
sampling with reactive gases
Available Sensors
Sensor Type Range
(LEL) Methane 0-100%
(LEL) Propane 0-100%
(LEL) Pentane 0-100%
(LEL) Butane 0-100%
(LEL) Ethylene 0-100%
(LEL) Hydrogen 0-100%
(LEL) Flammable alcohols,
ketones, general solvents
0-100%
(O
2
) Oxygen Sensor 0-25%
(H
2
S) Hydrogen Sulphide Sensor 0-100 ppm
(H
2
S) extended range Hydrogen
Sulphide Sensor
0-500 ppm
(CO) Carbon Monoxide Sensor 0-500 ppm
(CO) extended range Carbon Monoxide Sensor 0-1500 ppm
(Cl
2
) Chlorine* Sensor 0-20 ppm
(NH
3
) Ammonia Sensor 0-100 ppm
(NH
2
) extended range Ammonia Sensor 0-1000 ppm
(SO
2
) Sulphur dioxide 0-20 ppm
(O
3
) Ozone* Sensor 0-1 ppm
(NO
2
) Nitrogen Dioxide* Sensor 0-10 ppm
(NO
2
) extended range Nitrogen Dioxide* Sensor 0-20 ppm
(H
2
) Hydrogen Sensor 0-1000 ppm
(HCN) Hydrogen Cyanide Sensor 0-25 ppm
(PH
3
) Phosphine* Sensor 0-5 ppm
(HF) Hydrogen Fluoride* Sensor 0-10 ppm
(NO) Nitric Oxide Sensor 0-100 ppm
(COCl
2
) Phosgene* Sensor 0-1 ppm
(ETO) Ethylene Oxide Sensor 0-10 ppm
- G‑TECTA™ 4GP 1
- Portable Multi‑Gas 1
- Detection Instrument 1
- Replaceable Battery 2
- Rechargeable Battery 2
- Operation 4
- Display Symbols 4
- Alarm icon 5
- Gas example 5
- Data & Event Logging 6
- Batteries 6
- Gas Sampling 7
- Maintenance, Calibration 7
- G-TECTA 4GP Instrument with 8
- Ozone (O 8
- ) Sensor 8
- PC Interface and PC Software* 9
- G-TECTA™ 4GP Troubleshooting 10
- G-TECTA™ 4GP Accessories 10
- Declaration of Conformity 11
- Available Sensors 11
- Warranty Periods for Sensors 12
- ©2010 The Linde Group 13
- V 1.1 2010 13
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