Spectrex 40-40I User Manual

Model 40/40I

Triple IR (IR3) Flame Detector

User Guide

FM, CSA	Approved	ATEX, IECEx Approved
Class I Div. 1	Groups B, C, D	Ex II 2 GD, Exde IIC T5 (75°C)

Class II/III Div. 1 Groups E, F, G

Document ref: TM 40/40I, Rev (6) July 2013

218 Little Falls Rd., Cedar Grove, NJ 07009, USA Phone: [phone] Fax: [phone] Web-Site: www.spectrex.net; Email: [e-mail]

SharpEyeTM IR3 Flame Detector User Guide

ii

Legal Notice

The SharpEye Optical Flame Detector described in this document is the property of Spectrex, Inc.

No part of the hardware, software or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system or translated into any language or computer language, in any form or by any means, without prior written permission of Spectrex, Inc.

While great efforts have been made to assure the accuracy and clarity of this document, Spectrex, Inc. assumes no liability resulting from any omissions in this document, or from misuse of the information obtained herein. The information in this document has been carefully checked and is believed to be entirely reliable with all of the necessary information included. Spectrex Inc. reserves the right to make changes to any products described herein to improve reliability, function, or design, and reserves the right to revise this document and make changes from time to time in content hereof with no obligation to notify any persons of revisions or changes. Spectrex, Inc. does not assume any liability arising out of the application or any use of any product or circuit described herein; neither does it convey license under its patent rights or the rights of others

Warning: This manual should be read carefully by all individuals who have or will have responsibility for using, maintaining or servicing the product.

The Detector is not field-repairable due to the meticulous alignment and calibration of the sensors and the respective circuits. Do not attempt to modify or repair the internal circuits or change their settings, as this will impair the system's performance and void the Spectrex, Inc. Product warranty.

Warranty

SPECTREX INC. Agrees to extend to Purchaser/Distributor a warranty on the SPECTREX supplied components of the SharpEye products. SPECTREX warrants to Purchaser/Distributor that the products are free from defects in materials and workmanship for a period of five (5) years, commencing with the date of delivery to Purchaser/Distributor. SPECTREX expressly excludes damage incurred in transit from the factory or other damage due to abuse, misuse, improper installation, or lack of maintenance or “Act of God” which are above and beyond its control. SPECTREX will, upon receipt of any defective product, transportation prepaid, repair or replace it at its sole discretion if found to have been defective when shipped. Said repair or replacement is SPECTREX’S sole liability under this warranty and SPECTREX’S liability shall be limited to repair or replacement of the component found defective and shall not include any liability for consequential or other damages. The customer is responsible for all freight charges and taxes due on shipments both ways. This warranty is exclusive of all other warranties express or implied.

Legal Notice

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SharpEyeTM IR3 Flame Detector User Guide

Release History

Rev

Date

Revision History

Prepared by

Approved by

0

May 20, 2008

First Release

Ian Buchanan

Eric Zinn

1

Sept 22, 2008

Second Release

Ian Buchanan

Eric Zinn

2

July, 2010

Third Release

Ian Buchanan

Eric Zinn

3

August 2010

Fourth Release

Ian Buchanan

Eric Zinn

4

November 2010

Fifth Release

Ian Buchanan

Eric Zinn

5

February 2013

Sixth Release

Ian Buchanan

Eric Zinn

6

July 2013

Seventh Release

Ian Buchanan

Eric Zinn

iv

About this Guide

This guide describes the SharpEye Model 40/40I Triple IR (IR3) Flame Detector and its features and provides instructions on how to install, operate and maintain the detector.

This guide includes the following chapters and appendixes:

Chapter 1, Introduction, provides a general overview of the product, principles of operation, and performance considerations.

Chapter 2, Installing the Detector, describes how to install the detector including preparations before installation, wiring and mode settings.

Chapter 3, Operating the Detector, describes how to power-up and test the detector. The chapter also lists safety precautions you should take when operating the detector.

Chapter 4, Maintenance and troubleshooting, describes basic maintenance procedures, and troubleshooting and support procedures.

Appendix A, Technical Specifications: Lists the detectors technical and other specifications.

Appendix B, Wiring Instructions, lists the wiring instructions for connecting the detector and also provides examples of typical wiring configurations.

Appendix C, RS-485 Communication Network, provides an overview of the RS-485 communications network.

Appendix D, Accessories, describes the accessories available for the detector.

Appendix E, SIL-2 Features, describes the special conditions to comply with the requirements of EN 61508 for SIL 2 according to TUV.

About this Guide

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SharpEyeTM IR3 Flame Detector User Guide

Abbreviations and Acronyms

Abbreviation	Meaning
ATEX	Atmosphere Explosives
AWG	American Wire Gauge
BIT	Built In Test
EMC	Electromagnetic Compatibility
EOL	End of Line
FOV	Field of View
HART	Highway Addressable Remote Transducer-
	communication protocol
IAD	Immune at Any Distance
IECEx	International Electrotechnical Commission Explosion
IPA	Isopropyl Alcohol
IR	Infrared
JP5	Jet Fuel
Latching	Refers to relays remaining in the ON state even after the
	ON condition has been removed
LED	Light Emitting Diode
LPG	Liquefied Petroleum Gas
mA	MilliAmps (0.001 amps)
MODBUS	Master-slave messaging structure
N.C.	Normally Closed
N.O.	Normally Open
N/A	Not Applicable
NFPA	National Fire Protection Association
NPT	National Pipe Thread
SIL	Safety Integrity Level
UNC	Unified Coarse Thread
VAC	Volts Alternating Current

vi	Abbreviations and Acronyms

Table of Contents

Model 40/40I Triple IR (IR3) Flame Detector User Guide				................................ i
	Legal Notice....................................................................................................			iii
	Warranty		........................................................................................................	iii
	Release History ...............................................................................................			iv
	About this ..............................................................................................Guide			v
	Abbreviations .............................................................................and Acronyms			vi
1	Introduction ..............................................................................................			1
	1.1	Overview ..............................................................................................		1
	1.2	Model ....................................................................................and Types		2
	1.3	Features .............................................................................and Benefits		4
	1.4	Principles ............................................................................of Operation		4
	1.4.1 ...............................................................		Hydrocarbon Fire Detection	4
	1.4.2 ..................................................................................		Heated Optics	5
	1.4.3 .................................................................................		HART Protocol	5
	1.4.4 ...............................................................................		RS - 485 Modbus	6
	1.4.5 .........................................................................		Product Certification	6
	1.5	Performance ....................................................................Considerations		7
	1.5.1 ........................................................................		Detection Sensitivity	7
	1.5.2 ................................................................................		Cone of Vision	10
	1.5.3 ...................................................................		False Alarms Prevention	11
	1.5.4 .............................................................................		Visual Indicators	12
	1.5.5 ................................................................................		Output Signals	13
	1.5.6 ..............................................................................		Detector Status	14
	1.5.7 ..............................................		Auxiliary Relay as End - of - Line Resistor	15
	1.6	Internal ..........................................................................Detector Tests		15
	1.6.1 ..................................................................		Continuous Feature Test	15
	1.6.2 ..........................................................................		Built - In - Test (BIT)	16
2	Installing ............................................................................the Detector			19
	2.1	General ................................................................................Guidelines		19
	2.2	Unpacking ...........................................................................the Product		20
	2.2.1 ...............................................................		Checking the Product Type	20
	2.3	Required ......................................................................................Tools		21
	2.4	Certification ........................................................................Instructions		22

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SharpEyeTM IR3 Flame Detector User Guide

	2.5	Installation Cables ................................................................................		23
	2.5.1		Conduit Installation .........................................................................	23
	2.6	Installing the Tilt Mount (part no. 40/40-001) ..........................................		24
	2.6.1		Tilt Mount Assembly ........................................................................	25
	2.7	Connecting the Detector ........................................................................		26
	2.7.1		Verifying the Detector Wiring ...........................................................	28
	2.8	Configuring your Detector ......................................................................		29
	2.8.1		Sensitivity ......................................................................................	30
	2.8.2		Alarm Delay ...................................................................................	30
	2.8.3		Address Set - up ...............................................................................	30
	2.8.4		Function Set - up ..............................................................................	31
	2.8.5		Heated Optics .................................................................................	32
3	Operating the Detector ............................................................................			33
	3.1	Powering Up .........................................................................................		33
	3.2	Safety Precautions ................................................................................		34
	3.2.1		Default Functions Settings ...............................................................	34
	3.3	Testing Procedures................................................................................		35
	3.3.1		Automatic BIT Test .........................................................................	35
	3.3.2		Manual BIT Test ..............................................................................	35
	3.3.3		Testing with Fire Simulator Model 20/20 - 310 .....................................	35
4	Maintenance and Troubleshooting ...........................................................			37
	4.1	Maintenance.........................................................................................		37
	4.1.1		General Procedures .........................................................................	37
	4.1.2		Periodic Procedures .........................................................................	38
	4.1.3		Keeping Maintenance Records ..........................................................	38
	4.2	Troubleshooting ....................................................................................		39
Appendices			....................................................................................................	41
A	Specifications ..........................................................................................			43
	A.1	Technical .........................................................................Specifications		43
	A.2	Electrical ..........................................................................Specifications		44
	A.3	Outputs ...............................................................................................		44
	A.4	Approvals.............................................................................................		46
	A.5	Mechanical .......................................................................Specifications		47
	A.6	Environmental ..................................................................Specifications		47

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TM 40/40I, Rev (6) July 2013

B	Wiring Instructions..................................................................................			49
	B.1	General Instructions for Electrical Wiring..................................................		49
	B.2	Typical Wiring Configurations .................................................................		51
C	RS-485 Communication Network .............................................................			55
	C.1	RS-485 Overview ..................................................................................		55
D	Accessories..............................................................................................			57
	D.1	Long Range IR3 Fire Simulator ...............................................................		57
	D.1.1		Unpacking......................................................................................	58
	D.1.2		Operating Instructions .....................................................................	58
	D.1.3		Range ...........................................................................................	59
	D.1.4		Charging the Battery .......................................................................	59
	D.1.5		Technical Specifications ...................................................................	60
	D.2	Tilt Mount - P/N 40/40-001 ....................................................................		60
	D.3	Duct Mount P/N 777670.........................................................................		61
	D.4	Weather Protection - P/N 777163............................................................		62
	D.5	Laser Detection Coverage Pointer - P/N 777166........................................		63
	D.6	Air Shield - P/N 777650 .........................................................................		64
E	SIL-2 Features.........................................................................................			65
	E.1	40/40I Flame Detector ..........................................................................		65
	E.1.1		Safety Relevant Parameters .............................................................	65
	E.1.2		Guidelines for Configuring, Installing, Operating and Service ................	65
Technical Support .........................................................................................				68

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SharpEyeTM IR3 Flame Detector User Guide

List of Figures
Figure 1: Horizontal Field of View ........................................................................	10
Figure 2: Vertical Field of View............................................................................	10
Figure 3: Indication LED.....................................................................................	12
Figure 4: Detector with Tilt Mount .......................................................................	24
Figure 5: Tilt Mount Assembly.............................................................................	25
Figure 6: Tilt Mount Assembly (dimensions in mm and inches)................................	25
Figure 7: Detector with Cover Removed ...............................................................	27
Figure 8: Wiring Terminals .................................................................................	51
Figure 9: Typical Wiring for 4 Wire Controllers (Using Option 1 or 2 Wiring) .............	52
Figure 10: 0-20mA Wiring Option 1 (Sink 4-Wire) - Default ....................................	53
Figure 11: 0-20mA Wiring Option 1 (Converted to Source 3-Wire) ..........................	53
Figure 12: 0-20mA Wiring Option 1 (Non-isolated Sink 3-Wire)...............................	54
Figure 13: 0-20mA Wiring Option 2 and 3 (Source 3-Wire available
with the HART Protocol) ....................................................................................	54
Figure 14: RS-485 Networking ............................................................................	55
Figure 15: SharpEye Long Range Fire Simulator 20/20-310 ....................................	57
Figure 16: 40/40I IR3 Detector Target Point .........................................................	58
Figure 17: Tilt Mount .........................................................................................	60
Figure 18: Duct Mount .......................................................................................	61
Figure 19: Weather Protection ............................................................................	62
Figure 20: Laser Detection Coverage Pointer ........................................................	63
Figure 21: Air Shield..........................................................................................	64

x	List of Figures

TM 40/40I, Rev (6) July 2013

List of Tables
Table 1: Wiring Options ......................................................................................	3
Table 2: Sensitivity Range Levels .........................................................................	8
Table 3: Fuel Sensitivity Ranges...........................................................................	9
Table 4: Immunity to False Alarm Sources ...........................................................	11
Table 5: Welding Immunity Distance ...................................................................	12
Table 6: LED Indications ....................................................................................	12
Table 7: Available Output Types..........................................................................	13
Table 8: Detector Status ....................................................................................	14
Table 9: Output Signals versus Detector State ......................................................	14
Table 10: Results of a Successful BIT...................................................................	17
Table 11: Results of an Unsuccessful BIT .............................................................	17
Table 12: Results of a Successful Manual BIT........................................................	18
Table 13: Results of an Unsuccessful Manual BIT ..................................................	18
Table 14: Tools .................................................................................................	21
Table 15: Model 40/40I Wiring Options ................................................................	28
Table 16: Sensitivity Settings .............................................................................	30
Table 17: Functions ...........................................................................................	31
Table 18: Default Function Values .......................................................................	34
Table 19: Results of Successful Fire Simulator Test ...............................................	36
Table 20: Troubleshooting Table .........................................................................	39
Table 21: Electrical Specifications........................................................................	44
Table 22: Contact Ratings ..................................................................................	45
Table 23: 20 mA Current Output .........................................................................	45
Table 24: Electromagnetic Compatibility (EMC) .....................................................	48
Table 25: Maximum DC resistance at 68°F (20ºC) for copper wire...........................	49
Table 26: Wiring length in feet (meter) ................................................................	50
Table 27: Wiring Connections .............................................................................	52
Table 28: Sensitivity Ranges...............................................................................	59

List of Tables

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SharpEyeTM IR3 Flame Detector User Guide

xii	List of Tables

1	Introduction
	In this chapter…
	Overview	page 1
	Model and Types	page 2
	Features and Benefits	page 4
	Principles of Operation	page 4
	Performance Considerations	page 7
	Internal Detector Tests	page 15
1.1	Overview

The SharpEye 40/40I is a flame detector that utilizes improved IR3 technology to provide state-of-the-art fire protection. The 40/40I uses patented digital signal processing to analyze the spectral and dynamic characteristics of the measured infrared radiation, to identify fire events with exceptional sensitivity and extreme immunity to false alarms.

All 40/40 series detectors include a heated optical window for improved performance in icing, snow and condensation conditions.

Detection performance can be easily adapted to all environments, applications and requirements, by changing the detector’s configuration parameters. Adjusting these parameters, as well and performing other maintenance and monitoring tasks, is possible by means of RS485-based Modbus communication or HART communication (in models with 0-20mA output).

The detector enclosure is ATEX certified Exd flameproof with an integral, segregated, rear, Exe terminal compartment (avoiding exposure of the sensors and electronics to surrounding environment). Hence the combined approval:

Ex II 2 G D

Ex de IIC T5 Ta -55°C to +75°C Ex tD A21 IP66/X7 T95°C

or

Ex de IIC T4 Ta -55°C to +85°C Ex tD A21 IP66/X7 T105°C

The SharpEye 40/40 detectors are designed to operate as a stand-alone unit directly connected to an alarm system or an automatic fire extinguishing system. The detector can also be a part of a more complex system, where many detectors and other devices are integrated through a common control unit.

Overview

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SharpEyeTM IR3 Flame Detector User Guide

1.2Model and Types

The 40/40I is provided in various configurations depending on:

Wiring options

Temperature ranges

Type of cable entries

Housing type

Required approval

The configuration detail is included in the product part number on the product label and takes the form: 40/40I XXXXX, where XXXXX defines the model according to the above requirements.

To modify the default or pre-ordered configuration and perform maintenance tasks, please refer to the HART Protocol TM777030, the

RS-485 Manual TM 777050 or TM777070. The Part Numbers are defined as:

40/40I X X X X X

Ex Approval

Housing

Electrical

Entries

Temperature

Wiring

Configuration

F – FM / CSA

C -ATEX/IECEx

S - Stainless Steel A - Aluminum*

1 - M25

2 - ¾"NPT

1 -75 °C

2 -85 °C

See Table 1

Note: *Aluminum housing is available in ATEX/IECEx version only. Table 1 describes the wiring options in detail.

2	Model and Types

						TM 40/40I, Rev (6) July 2013
		Table 1: Wiring Options
		Wiring			Connections Provided
		Option
				Manual	Fault	Alarm	0-20mA
1			Power		Relay	Relay		RS-485	-
				BIT	N.C.	N.O.	Sink
					Fault	Alarm
				Manual		Relay	0-20mA
2			Power		Relay			RS-485	HART
				BIT	N.C.	N.O.,	Source
						N.C.
					Fault	Alarm
				Manual		Relay	0-20mA
3			Power		Relay			RS-485	HART
				BIT	N.O.	N.O.,	Source
						N.C.
				Manual	Fault	Alarm	Auxiliary
4			Power		Relay	Relay		RS-485	-
				BIT	N.C.	N.O.	N.O.
				Manual	Fault	Alarm	Auxiliary
5			Power		Relay	Relay		RS-485	-
				BIT	N.O.	N.O.	N.O.

Note: Wiring option 1 is default. The mA 'Sink' output can be altered to 'Source' type, with a link between terminals 1 and 8. No other wiring options can be changed on site.

For example, product number 40/40I-321SC has the following options:

Wiring Option: 3 (Power, Manual BIT, RS-485, 0-20mA (Source) with the HART protocol, Fault Relay (N.O.), Alarm Relay (N.O., N.C.))

Temperature Range: 2 (85°C)

Cable Entry: 1 (M25)

Housing : S (Stainless Steel)

Approval: C (ATEX, IECEx)

Note: Check your specific part numbers against the information in Checking the Product Type on page 20.

Model and Types

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SharpEyeTM IR3 Flame Detector User Guide

1.3Features and Benefits

Detection Range: Up to 215 ft. (65m) for a 1 ft2 (0.1m2) n-heptane fire.

Ultra High Immunity to False Alarms: See Table 4 on page 11.

Advanced Digital Processing of the Dynamic Characteristics of Fire: Flickering, threshold correlation and ratio.

Multi IR Channels: Between 2-5 microns.

Field Programmable Sensitivity: Four ranges to avoid zone crossover.

Built In Test (BIT): Manual and Automatic (see Built-In-Test (BIT) on page 16).

Heated Window: Prevents effects of icing, snow, condensation.

Electrical Interface:

Dry contact relays

Communication network RS-485

0-20mA output

HART Protocol: Communication protocol (see HART Protocol on page 5).

Exde: Integral junction box for easy wiring.

SIL-2: TÜV approved.

Hazardous Area Certification: ATEX, IECEx, FM, CSA.

Functionality Approval:

EN54-10 approved by VdS

FM approved per FM3260

1.4Principles of Operation

This section describes the 40/40I principles of operation and includes:

Hydrocarbon Fire Detection, page 4

Heated Optics, page 5

HART Protocol, page 5

RS-485 Modbus, page 6

Product Certification, page 6

1.4.1Hydrocarbon Fire Detection

The SharpEye 40/40I detector is designed to detect flames in which carbon dioxide (CO2) is produced in the combustion process. These include all hydrocarbon flames, as well as other types of flames and burning materials such as wood or alcohol.

4	Features and Benefits

TM 40/40I, Rev (6) July 2013

The detector’s principle of operation is based on patented IR3 technology. This technology identifies the unique spectral signature that hot CO2 has in the infrared (IR), namely a peak of the intensity at wavelengths 4.2 to 4.7µ.

The original IR3 technique (such as implemented in the SharpEye 20/20I flame detector) utilizes three infrared sensors, each sensitive to its own wavelength range. The first sensor is sensitive to wavelengths within the emission peak of hot CO2. The other two sensors are sensitive to wavelengths above and below this peak. In the event of fire, the signal measured in the first sensor is significantly higher than those measured in the other two sensors. In order to issue a fire alarm, the detector requires that this occurs, as well as other conditions (for example, radiation is flickering in frequencies typical of flames). If exposed to non-fire radiation sources, the specific conditions required does not occur, and the detector does not react.

The SharpEye 40/40I further includes an additional IR sensor, sensitive to a different band within the emission peak of hot CO2. The signal of this sensor is compared to those of the other three. This increases sensitivity for some types of flames. (For example, gas flames).

1.4.2Heated Optics

The SharpEye 40/40 Flame Detectors use heated optics. The heater increases the temperature of the optical surface by 5-8°F (~3-5°C) above the ambient temperature to improve performance in icing, condensation and snow conditions.

The heated optics can be set to one of the following:

Not operated

On continuously

Automatic, per temperature change (default): you can define the start temperature below which the window is heated. (The default is 41°F (5°C).) This temperature can be defined between 32°F (0°C) to 122°F (50°C). The heating stops when the temperature is 27°F (15°C) above the start temperature.

For more information, see Configuring your Detector on page 29.

1.4.3HART Protocol

The 40/40 Flame Detectors use the HART protocol.

HART Communication is a bi-directional industrial field communication protocol used to communicate between intelligent field instruments and host systems. HART is the global standard for smart process instrumentation and the majority of smart field devices installed in plants worldwide are HARTenabled. HART is available in wiring options 2 and 3, see Table 1, page 3.

HART technology is easy to use and very reliable.

Principles of Operation

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SharpEyeTM IR3 Flame Detector User Guide

Through the HART connection, you are able to perform:

Detector set-up

Detector troubleshooting

Detector health and status

For more details, refer to the HART Manual TM 777030.

1.4.4RS-485 Modbus

For more advanced communications, the 40/40I detector has an RS 485 Modbus-compatible output that provides data communication from a network (up to 247 detectors) to a host computer or universal controller for central monitoring. This feature allows for reduced installation costs, easy maintenance and local or remote diagnostic tools.

1.4.5Product Certification

The 40/40I Flame Detectors have the following certifications:

ATEX, IECEx, page 6

FM, CSA, page 6

SIL-2 Approved, page 7

EN54-10, page 7

1.4.5.1ATEX, IECEx

The 40/40I Flame Detector is certified to:

ATEX Ex II 2 GD per SIRA 07ATEX1250 and IECEx SIR. 07.0085

Ex de IIC T5 Ta -55°C to +75°C Ex tD A21 IP66/X7 T95°C

Ex de IIC T4 Ta -55°C to +85°C Ex tD A21 IP66/X7 T105°C

This product is suitable to use in hazardous zones 1 and 2 with IIC gas group vapors present.

1.4.5.2FM, CSA

The 40/40I Flame Detector is certified to FM and CSA Explosion Proof and Functionality per FM3260:

Class I, Division 1, Groups B, C and D, T5 Ta = 85°C.

Dust Ignition Proof – Class II/III Division 1, Groups E, F and G.

Ingress Protection – IP67, IP66, NEMA 250 Type 6P.

Fuel Test Response including: Gasoline, N-Heptane, Diesel, JP5, Kerosene, Ethyl, Alcohol 95%, IPA, Methanol, Methane, LPG, Polypropylene, and Paper.

6	Principles of Operation

TM 40/40I, Rev (6) July 2013

For more details see FM Report Project ID3029553, and CSA Report no. 2451134.

1.4.5.3SIL-2 Approved

The 40/40I Flame Detector is certified to SIL-2 requirement per IEC 61508.4, Chapter 3.5.12.

The alert condition according to SIL-2 can be implemented by:

Alert signal via 0-20mA current loop. or

Alert signal via alarm relay and fault relay.

For more details and guidelines for configuring, installing, operating and service – see SIL-2 Features on page 65 and TÜV Report No. 968/EZ348.00/009.

1.4.5.4EN54-10

The 40/40I Flame Detector is certified to EN54-10 and CPD.

The detector has been tested and approved per EN54-10 by VdS.

This test includes functional test, environmental test, EMI/EMC test and software check.

For more details see VdS Report No. BMA 12118.

1.5Performance Considerations

This section describes performance aspects of the 40/40I and includes:

Detection Sensitivity, page 7

Cone of Vision, page 10

False Alarms Prevention, page 11

Visual Indicators, page 12

Output Signals, page 13

Detector Status, page 14

Auxiliary Relay as End-of-Line Resistor, page 15

1.5.1Detection Sensitivity

Detection sensitivity is the maximum distance at which the detector reliably detects a specific size of fire and typical type of fuel (standard fire).

1.5.1.1Standard Fire

Defined as a 1ft2 / 0.1m2 n-heptane pan fire, with maximum wind speed of 6.5 ft./sec (2 m/sec).

Performance Considerations

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SharpEyeTM IR3 Flame Detector User Guide

1.5.1.2Sensitivity Ranges

The detector has four user-selectable sensitivity ranges. For each range there are two response levels.

WARNING (Pre-alarm)

ALARM

The detection distance, for the WARNING level, is approximately 10% higher than the ALARM distance.

Alarm response times for a standard fire at a specified range are shown Table 2.

Table 2: Sensitivity Range Levels

Level	Response Time (sec)	Sensitivity Rangeft. (m)
1	3	50 (15)
2 Default	5	100 (30)
3	8	150 (45)
4	10	215 (65)

For some typical ambient conditions the Zeta parameter as defined in NFPA 72 for the detector is 0.005 (1/meter).

Note: Zeta parameters may vary significantly with changes in temperature, air pressure, humidity, visibility conditions, and so on.

8	Performance Considerations

TM 40/40I, Rev (6) July 2013

1.5.1.3Other Fuels

The detector reacts to other types of fire as follows:

The baseline fire refers to n-heptane 1ft2 (0.1m2) and is defined as 100% sensitivity.

For fuel fire – standard pan fire size: 1 ft2 (0.1 m2).

For gas flame - 20 inch (0.5m) high, 8 inch (0.2m) width plume fire.

Maximum Response Time: 10 sec.

Table 3: Fuel Sensitivity Ranges

	Type Of Fuel			Percent of Max. Distance			Max. Distance
				at each Sensitivity Range			(ft./m)
	Gasoline		100%			215		/ 65
	N-Heptane		100%			215		/ 65
	JP5		70%			150		/ 45
	Kerosene		70%			150		/ 45
	Diesel Fuel		70%			150		/ 45
	Ethanol 95%		60%			135		/ 40
	IPA		60%			135		/ 40
	Methanol		55%			115		/ 35
	Methane		45%			100		/ 30
	LPG		45%			100		/ 30
	Paper		35%			33 / 10
	Polypropylene		15%			16		/ 5

Performance Considerations

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SharpEyeTM IR3 Flame Detector User Guide

1.5.2Cone of Vision

Horizontal: 100°

Figure 1: Horizontal Field of View

Vertical: +50° (down) , -45° (up)

Figure 2: Vertical Field of View

10	Performance Considerations

TM 40/40I, Rev (6) July 2013

1.5.3False Alarms Prevention

To prevent false alarms, the detector will not alarm or react to the radiation sources specified in Table 4.

Table 4: Immunity to False Alarm Sources

	Radiation Source			Immunity
				Distance ft. (m)
	Indirect or reflected sunlight			IAD
	Vehicle headlights (low beam) conforming to			IAD
	MS53023-1
	Incandescent frosted glass light, 300 W			IAD
	Fluorescent light with white enamel reflector, standard			IAD
	office or shop, 70 W (or two 35 W)
	Electric arc [12mm (15/32") gap at 4000 V alternating			IAD
	current, 60 Hz]
	Arc welding [6 mm (5/16") rod; 210 A]			See Table 5
	Ambient light extremes (darkness to bright light with			IAD
	snow, water, rain, desert glare and fog)
	Bright colored clothing, including red and safety			IAD
	orange
	Electronic flash (180 watt-seconds minimum output)			IAD
	Movie light, 625 W quartz DWY lamp (Sylvania S.G.-55		>6.5 (2)
	or equivalent)
	Blue-green dome light conforming to M251073-1			IAD
	Flashlight (MX 991/U)			IAD
	Radiation heater, 3000 W		>3 (1)
	Radiation heater, 1000 W with fan			IAD
	Quartz lamp (1000 W)		>3 (1)
	Mercury vapor lamp			IAD
	Grinding metal			IAD
	Lit cigar		>1 (0.3)
	Lit cigarette		>1 (0.3)
	Match, wood, stick including flare up		>13 (4)
	Notes:
IAD = Immune at Any Distance.
All sources are chopped from 0 to 20 Hz.

Performance Considerations

11

SharpEyeTM IR3 Flame Detector User Guide

Table 5: Welding Immunity Distance

Sensitivity Setting	Detection Range	Immunity Distance
1	50 ft. (15m)	>6 ft. (2m)
2	100 ft. (30m)	>12 ft. (4m)
3	150 ft. (45m)	>17 ft. (6m)
4	215 ft. (65m)	>25 ft. (7.5m)

1.5.4Visual Indicators

One 3-color LED indicator is located inside the detector window, as shown in Figure 3. The detector statuses are listed in Table 6.

Table 6: LED Indications

Detector Status	LED color	LED mode
Fault, BIT Fault	Yellow	4 Hz - flashing
Normal	Green	1 Hz - flashing
Warning	Red	2 Hz - flashing
Alarm	Red	Steady

Indicator LED

Figure 3: Indication LED

12	Performance Considerations