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IR12BD Datasheet Preview

IR12BD Datasheet

Single Gas Sensor

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SGX Europe Sp. z o.o.
Building 11
Ligocka St. 103,
40-568 Katowice,
Poland
T: +48 (0) 32 438 4778
E: sales.is@sgxsensortech.com
www.sgxsensortech.com
IR1 Single Gas Series Datasheet
Infrared Single Gas Sensor for Hazardous Environments
(Portable and Fixed Systems)
The SGX infrared sensors use the proven Non-Dispersive
Infrared (NDIR) principle to detect and monitor the presence
of gases. With an infrared source and specific filtering on the
pyroelectric detectors mounted inside the optical/gas cavity,
individual gases or types of gas can be identified and their
concentrations determined.
These sensors are suitable for reliable monitoring of gas
levels in general safety applications where the sensor size is
restricted and require a flameproof enclosure for hazardous
environments.
APPLICATIONS
Oil & Gas
Petrochemical
Biogas
Wastewater
Utilities
Steelworks
Confined Space Entry
Indoor Air Quality
FEATURES
For detection of the following gases:
o Carbon Dioxide (IR11 Series),
o Hydrocarbons (IR12 series, IR13 series)
o Acetylene (IR14 series)
Gas concentration ranges:
o 0 - 5% Carbon Dioxide
(also suitable for 0 to 0.5%v/v)
o 0 - 100% Carbon Dioxide
(also suitable for 0 to 10%)
o 0 - 100%v/v Hydrocarbons
(also suitable for 0 to 100%LEL)
o 0 - 100%v/v Acetylene
(also suitable for 0 to 100%LEL)
16.6mm or 19.0mm sensor heights available
Embedded temperature sensor in some versions for
improved temperature compensation
Shock-resistant IR Source version available on certain
types
Diffused gas sampling via mesh
Low power
Reference channel for self-compensation
Special gold plated optical gas cavity for stable signal
levels
Operational in varying temperature, pressure and
humidity
Fast response
Rugged stainless steel construction
No moving parts
Immunity from ‘poisoning’
Reliable fail-safe operation
Certified: ATEX, IECEx, CSA and UL
OPERATION
To operate, the sensors must be interfaced to a suitable
circuit for power supply, output amplification and signal
processing. Sensor outputs require linearisation and
compensation for ambient temperature variation using
algorithms in the system firmware. This is necessary for
sensors to meet their full performance specification. An
embedded temperature sensor facilitates this compensation
on certain types. Further compensation for pressure changes
can also be made in an algorithm, provided there is a
suitable input from a pressure sensor.
A set of Application Notes is available from the SGX
Sensortech Ltd website, to explain more about NDIR gas
sensing and provide advice for the end-user on interfacing
the sensors and processing signals.
TECHNICAL SPECIFICATION
Mechanical
Dimensions
Body material
Approximate Weight
See Outlines
Stainless Steel
30g
Environmental
Ambient temperature range
for operation:
storage:
Operational pressure range
Humidity range for operation
and storage
-20°C to +55°C
-20°C to +55°C
30kPa to 130kPa
0 to 95% RH
(Non-condensing)
Electrical
DC supply to detectors
Typical power
IR Source Supply
(Recommended)
3V to 5V
180mW @ 5V
+5V, 60mA
(Square Wave at 4Hz, 50% duty cycle)
___________________________________________________________________________________________
Whilst SGX has taken care to ensure the accuracy of the information contained herein it accepts no responsibility for the con sequences of any use thereof and also
reserves the right to change the specification of goods without notice. SGX accepts no liability beyond the set out in its standard conditions of sale in respect of
infringement of third party patents arising from the use of SGX products in accordance with information contained herein.
In case of modification of the product, SGX disclaims all liability.
SGX Europe sp .z o.o. Poland REGON: 362332227
DS-0247, Issue 2, 28-Sep-2016, Page 1




SGX

IR12BD Datasheet Preview

IR12BD Datasheet

Single Gas Sensor

No Preview Available !

SGX Europe Sp. Z o.o.
Building 11
Ligocka St. 103,
40-568 Katowice,
Poland
T: +48 (0) 32 438 4778
E: sales.is@sgxsensortech.com
www.sgxsensortech.com
CONFIGURATIONS
Sensor
Type **
Gas
Concentration Range *
Highest
Lowest
IR Source
Standard
Rugged
Sensor Height
Internal Temperature
Sensor
16.6mm
19mm Thermistor LM60
None
IR11BD
Qty
of
Pins
6
IR11EJ
7
IR11EM
IR11GJ
Carbon Dioxide
0 to 5%
0 to 0.5%
7
7
IR11GM
7
IR11GM_1
7
IR11BR
0 to 100% 0 to 10%
7
IR12BD
6
IR12EJ
7
IR12EM
IR12GJ
Methane /
Hydrocarbons
0 to 100% 0 to 100%LEL
IR12GM
7
7
7
IR12GM_1
7
IR13BD
6
IR14BD
Acetylene 0 to 100% 0 to 2.5%
6
* The Highest Concentration Range is the highest range the sensor is suitable. The Lowest Concentration Range is the lowest range the sensor is
suitable. The use of the sensor beyond these ranges will affect the sensor’s performance.
** All sensors use temperature compensated pyroelectric detectors except for IR1nBD variants which are uncompensated. This refers to a change in
the DC voltage output only. Further temperature compensation is required for all sensor variants.
HANDLING PRECAUTIONS
1. Do not allow sensors to fall on the floor. This could cause IR Source filament breakage, damage to the pins and the gas
entrance aperture.
2. Do not apply mechanical force against the gas entrance aperture.
3. Do not immerse sensors in water or other fluids.
4. Protect the gas entrance aperture against dust ingress and sprayed materials.
5. Anti-static handling precautions must be taken.
© SGX Sensortech 2016
Document subject to disclaimer on page 1
DS-0247, Issue 2, 28-Sep-2016, Page 2


Part Number IR12BD
Description Single Gas Sensor
Maker SGX
Total Page 8 Pages
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