Amphenol SGX Sensortech 的 IR1 Single Gas Series 规格书

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sake“: \ SENSORTECH IR1 Single Gas Series Datasheet @E

___________________________________________________________________________________________

Whilst SGX has taken care to ensure the accuracy of the information contained herein it accepts no responsibility for the consequences 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 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

See Outlines

Body material

Stainless Steel

Approximate Weight

30g

Environmental

Ambient temperature range

for operation:

storage:

-20°C to +55°C

Operational pressure range

30kPa to 130kPa

Humidity range for operation

and storage

0 to 95% RH

(Non-condensing)

Electrical

DC supply to detectors

3V to 5V

Typical power

180mW @ 5V

IR Source Supply

(Recommended)

+5V, 60mA

(Square Wave at 4Hz, 50% duty cycle)

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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

CONFIGURATIONS

Sensor

Type **

Gas

Concentration Range *

IR Source

Sensor Height

Internal Temperature

Sensor

Qty

Pins

Highest

Lowest

Standard

Rugged

16.6mm

19mm

Thermistor

LM60

None

IR11BD

Carbon Dioxide

0 to 5%

0 to 0.5%

IR11EJ

IR11EM

IR11GJ

IR11GM

IR11GM_1

IR11BR

0 to 100%

0 to 10%

IR12BD

Methane /

Hydrocarbons

0 to 100%

0 to 100%LEL

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

IR14BD

Acetylene

0 to 100%

0 to 2.5%

* 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.

SGXN‘ SENSORTECH (302 (302 002 CH4 CH» CH4 0sz

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

PERFORMANCE

For test purposes, all data taken using the following conditions:

- Performance as tested in the SGX IR-EK2 Evaluation Kit directly after calibration.

- SGX linearisation and temperature compensation algorithms applied; see Infrared Sensor Application Notes.

- IR Source Voltage 5V, square wave, at 4 Hz and 50% duty cycle. Running the IR Source at 3V will decrease performance due

to lower output signals.

- Ambient temperature (20°C) and pressure (101 kPa).

- All gases diluted in dry nitrogen.

- Performance for the Hydrocarbons refers to Methane only. Most other hydrocarbons will have an improved performance.

- Performance data is the same for the supported IR Source variants (“_1” variants).

- Refer to Application Notes for more information.

Sensor type

IR11BD

IR11xJ,

IR11xM

IR11BR

IR12BD

IR12xJ,

IR12xM

IR13BD

IR14BD

Gas

Carbon Dioxide

Methane / Hydrocarbons (5)

Acetylene

Concentration Range

Refer to Configurations Table

Warm-up Times

<20 sec to operate

<60 sec for Zero ±1% of Full Scale,

<30 min to full specification at 20 C

Maximum Response Time (T90) (1)

20 sec

Peak-to-Peak Outputs (in N2) (2)

Active (mV):

Reference (mV):

9 to 27

15 to 42

12 to 36

9 to 29

15 to 50

6 to 22

9 to 43

15 to 42

22 to 65

9 to 29

20 to 60

15 to 42

9 to 29

15 to 42

Sensitivity to Standard Test Gas (2) (3)

Minimum Absorbance:

Maximum Absorbance:

0.25

0.60

0.10

0.30

0.06

0.12

0.07

0.15

0.07

0.15

0.07

0.15

0.08

0.12

Typical Sensitivity for Gas Range (3)

Refer to Fractional Absorbance Curves

Minimum Detection Level (4)

2ppm

CO2

5ppm

CO2

50ppm

CO2

50ppm

CH4

30ppm

CH4

30ppm

CH4

50ppm

C2H2

Maximum deviation from linearity (±) (6)

0 to 0.5%v/v Range:

0 to 2%v/v Range:

0 to 2.5%v/v Range:

0 to 5%v/v Range:

0 to 10%v/v Range:

0 to 100%v/v Range:

0.01%v/v

0.05%v/v

-------

0.10%v/v

-------

0.02%v/v

0.10%v/v

-------

0.20%v/v

-------

0.20%v/v

3%v/v

-------

0.15%v/v

-------

5%v/v

-------

0.15%v/v

-------

5%v/v

-------

0.15%v/v

-------

5%v/v

-------

0.10%v/v

-------

5%v/v

Temperature Variation (±ppm/C) (7)

Zero and Concentration Range Maximum

(-20C to +55C)

Zero:

0.5%v/v:

2%v/v:

2.5%v/v:

5%v/v:

10%v/v:

100%v/v:

100

-------

250

-------

125

-------

300

-------

500

2500

-------

200

-------

2000

-------

200

-------

2000

-------

150

-------

1500

-------

150

-------

2000

Short Term Stability (±) (8):

Zero:

0.5%v/v:

2%v/v:

2.5%v/v:

5%v/v:

10%v/v:

100%v/v:

5 ppm

0.01%v/v

0.05%v/v

-------

0.10%v/v

-------

10 ppm

0.01%v/v

0.05%v/v

-------

0.15%v/v

-------

20 ppm

-------

0.1%v/v

1%v/v

0.01%v/v

-------

0.08%v/v

-------

2%v/v

0.01%v/v

-------

0.08%v/v

-------

2%v/v

0.01%v/v

-------

0.08%v/v

-------

2%v/v

0.01%v/v

-------

0.10%v/v

-------

5%v/v

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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

Sensor type

IR11BD

IR11xJ,

IR11xM

IR11BR

IR12BD

IR12xJ,

IR12xM

IR13BD

IR14BD

Humidity Response (+) (9)

Zero:

0.5%v/v:

2%v/v:

2.5%v/v:

5%v/v:

10%v/v:

100%v/v:

Negligible

0.10%v/v

-------

0.25%v/v

-------

2%v/v

0.10%v/v

-------

0.25%v/v

-------

2%v/v

0.15%v/v

-------

0.30%v/v

-------

2%v/v

0.20%v/v

-------

0.50%v/v

-------

4%v/v

Pressure Effects (10)

Sensors shall meet specification within a ±5% change in ambient pressure from

the ambient pressure during calibration

MTBF (IR Source only)

>10 years for 5 V operation, >20 years for 3 V operation

Vibration

Conforms to EN 60079-29-1

Ingress Protection

Requires extra protection depending on application

(1) Based upon an immediate step change in concentration at the aperature of the sensor.

(2) Production Test Limits, using standard test gases of Dry Nitrogen, 2%v/v Carbon Dioxide, 5%v/v Methane and 1.15%v/v Acetylene, where

appropriate.

(3) A 0.30 absorbance is equivalent to a 30% decrease in the Active peak-to-peak output.

(4) The minimum detection level is the smallest detectable change in concentration based upon a 2 sigma variantion. The best detectable change

occurs at 0% gas concentration due to the non-linear output of the detector (see Fractional Absorbance Curves).

(5) Performance for most hydrocarbons will be better than for methane for equiavlent concentrations, as methane is one of the lower sensitive gases

compared to other hydocarbons.

(6) After linearisation using the recommended method of linearisation and based upon a calibration gas with a concentration >75% of the full-scale.

(7) Using average Alpha and Beta coefficients based upon test data from the instrument in which the sensor is being tested. Refer to Application

Notes for information on calculating Alpha and Beta coefficients. Accuracy can be improved by measuring each sensor over temperature to define

specific Alpha or Alpha & Beta coefficients.

(8) After sensor stabilisation and over a period of 8 hours.

(9) Difference in response when changed from 0 %RH to 90 %RH.

(10) Sensors can be used over a greater ambient pressure using pressure compensation of the concentration. An external pressure sensor will be

requred for this.

FRACTIONAL ABSORBANCE CURVES

These show the typical sensitivity versus concentration before linearisation for the range of gases. For further explanation, refer

to the Infrared Sensor Application Notes.

Primary Target Gases

IR11BD

IR11EJ

IR11EM

IR11GJ

IR11GM

IR11GM_1

0 - 5%

Carbon Dioxide

IR11BD

IR11EJ

IR11EM

IR11GJ

IR11GM

IR11GM_1

0 - 0.5%

Carbon Dioxide

IR11BR

0 - 100%

Carbon Dioxide

IR11BR

0 - 10%

Carbon Dioxide

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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

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 100%

Methane

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 5%

Methane

IR14BD

0 - 2.5%

Acetylene

IR14BD

0 - 100%

Acetylene

Other Target Gases

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 3%

Ethane

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 2.4%

Propane

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 1.8%

Butane

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 3%

Ethylene

IR12BD

IR12EJ

IR12EM

IR12GJ

IR12GM

IR12GM_1

IR13BD

0 - 1.5%

Benzene

sENsoRTECH (SE; 3 O Ex

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

CERTIFICATIONS

CSA

The Canadian Standards Association has issued a component certification for the

IR1xxxx Series as an Explosion Proof Enclosure for use in Class I hazardous locations.

It has satisfied the requirements of CSA standard C22.2 No. 30-M 1986. Certificate No.

2589677.

Underwriters Laboratories Inc. recognises the IR1xxxx Series as a component for use in

intrinsically safe apparatus in Class 1, Division 1, Groups A, B, C and D hazardous

locations. It has satisfied the requirements of UL 913, 7th edition. File E186043.

ATEX

IECEX

EC Type-Examination

Certificate Numbers:

ATEX: Sira 99ATEX1121U

IECEx: IECEx SIR 04.0031U

Issued by:

Sira Test & Certification Service

Rake Lane

Eccleston

Chester, CH4 9JN, UK

Have been assessed to

the following harmonized

standards:

EN 60079-0:2012 & IEC 60079-0:2011 (Ed. 6)

Electrical apparatus for explosive gas atmospheres –

General requirements

IEC 60079-1:2014 (Ed. 7)

Electrical apparatus for explosive gas atmospheres

Flameproof enclosures “d”

Product Marking:

ATEX:

II 2G Ex db IIC Gb

IECEx:

Ex db IIC Gb

Ta -20˚C to +55˚C,

Pi: 2.5 W

INSTRUCTIONS SPECIFIC TO HAZARDOUS AREA INSTALLATIONS

(Ref: EU ATEX Directive 2014/34/EU)

1. The IR1xxx Series Gas Sensing Heads are component-approved only and may not be used as stand-alone items in a

hazardous area without further protection.

2. The IR1xxx Series Gas Sensing Heads shall be protected in service. The Sensing Head shall be mounted in a protective

enclosure such that an impact of 7 J in accordance with IEC 60079-0:2007 clause 26.4.2 from any direction shall not cause

the impact head to make contact with the Sensing Head.

3. The thermal resistance of the IR1xxx Series Gas Sensing Heads does not exceed 25 K/W. This shall be taken into account

when considering its surface temperature and the temperature classification of the equipment into which it is to be

incorporated. Tests indicated that an internal ignition raises the temperature of the mesh by a further 4.2 K (including a 1.2

safety factor).

4. The IR1xxx Series Gas Sensing Heads have not been assessed as a safety device (EHSR 1.5).

5. There are no user-serviceable parts in the component.

6. The end-user/installer shall be aware that the certification of the IR1xxx Series Gas Sensing Heads relies on the following

materials used in its construction, which are suitable for most common applications:

Enclosure .................................. Stainless steel

Mesh ......................................... Stainless steel

Bushing ..................................... Epoxy resin

In accordance with the Note in EN60079-0:2006 clause 6.1, the end-user/installer shall inform the manufacturer of any

adverse conditions that the IR1xxx Series Gas Sensing Heads may encounter. This is to ensure that the IR1xxx Series Gas

Sensing Heads are not subjected to conditions that may cause degradation of these materials.

7. The IR1xxx Series Gas Sensing Head is only certified for use in ambient temperatures between 20°C and +55C and

should not be used outside this range.

8. The maximum input power of the IR1xxx Series Gas Sensing Head shall not exceed 2.5 W.

9. The IR1xxx Series products shall be installed/used in accordance with the following restrictions:

Reference

Safety Description when used in an IS Circuit

IR Source

Detector

IR Source + Detector

IR1nBD

Ui = 7.2 V, Ci = 0, Li = 0

Ui = 10 V, Ci = 0, Li = 0

Pi = 2.5W

IR1nBR

Ui = 7.2 V, Ci = 0, Li = 0

Ui = 10 V, Ci = 0, Li = 0

Pi = 2.5W

IR1nEx, IR1nGx

Not IS

10. The IR1xxx Series Gas Sensing Heads are dust-proof (IP5x) but offers no protection against the ingress of water. Where

protection in excess of IP50 is required, the apparatus into which the IR1xxx Series Head is installed shall provide the

necessary ingress protection (for example by fitting an external semi-permeable membrane).

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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

OUTLINE

(All dimensions in millimetres; dimensions without limits are nominal)

6-Pin Devices (See Configuration Table)

7-Pin Devices (See Configuration Table)

Connections

Connection

+V DC detector input

IR Source

IR Source return

Active detector output

Reference detector output

0 V input

Temperature sensor: Thermistor (code E); LM60 (code G) (7-Pin Devices Only)

Outline Notes

1. Body dimensional tolerances 0.1 mm. Pin dimensional tolerances as indicated.

2. For code J devices, this length is 19.0 mm; for code M devices it is 16.6 mm.

3. IR1xxx Series sensors are designed to press-fit into PCB sockets. The end-user should choose a socket to accommodate

the full sensor pin length. This will ensure a stable mechanical location as well as good electrical contact. SGX Sensortech

Ltd recommend the Wearns Cambion type 450-1813-01-03-00 single-pole solder mount socket with through hole, or a

suitable equivalent.

SENSORTECH ﬂ18mm PTFE Membrane PP mesh G13mm Adhesive

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

ACCESSORIES

Dust Membrane (DPP702964BA)

Material

PTFE

Air Flow

≥6.8 l/hr/cm2 (∆p 10mbar)

Water Intrusion Pressure

≥210 mbar

Laminated PTFE Thickness

0.28 mm (nominal)

Adhesive Thickness

0.19 mm (nominal)

Typical Pore Size

5 µm

Amphenol SGX Sensortech 的 IR1 Single Gas Series 规格书

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