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Point Infrared Gas DetectionPoint Infrared Gas Detection

SearchpointSearchpoint OPTIMA OPTIMAThe story continues !!!The story continues !!!

Honeywell Proprietary

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Document control number

Fixed Point Fixed Point Infra-Red Infra-Red

Gas Detection Gas Detection


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Improve Searchpoint Optima to:

• Increase lamp lifetime• Reduce zero drift• Improve diagnostics• Eliminate Manufacturing issues

• Resist environment– Rapid temp change– humidity

• Installation issues– Rubber caps– Wiring– Noise– Orientation– Inappropriate applications


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What has been the aim

• Provide upgrade package:– Further improve reliability of design– Reduce unexplained events– Increase availability– Increase bulb life expectancy

• New Optima will have– Reduced manufacturing cost– Improved documentation– Customer focused features


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• Hazardous area certification PLUSPLUS– European (ATEX)

• Hardware PLUSPLUS• Accessories PLUSPLUS• Diagnostics PLUSPLUS• Software PLUSPLUS• Signal processing PLUSPLUS

OPTIMA OPTIMA PLUSPLUS

The PLUSPLUS in


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Hardware PLUSPLUS

• New quartz windowquartz window– increased signal transmission

• New component component interconnectionsinterconnections– increased performance integrity

• Dynamic Heating controlDynamic Heating control– Reduced optical condensation

• Bulb drive circuitBulb drive circuit– extended life expectancy

• Back coated mirrorBack coated mirror– increased corrosion resistance and reliability

• Link selectable current sink / sourceLink selectable current sink / source


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• New deluge protection / sunshadedeluge protection / sunshade– Thermal shock protection.

• New dust barrierdust barrier– Faster response time, less likely to block.

• New gassing capgassing cap– Simplified, more reliable gassing.

• New optional remote gassing celloptional remote gassing cell– Easy to clean

Accessories PLUSPLUS


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Enhancements

Upgrade

package

Run bulbs less hard

Replace bulbs

Replace crimps

Deluge / Sunshade protection

Dirty optics warning

Integration Algorithm

Configurable output

Configurable output

Noise removal algorithm

Bulb pre-failure detection

Extended event log

Spike removal algorithm


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Extra’s offered

Searchpoint Optima II

Increased heating of optics

Bulb current monitoring

Multi-point temperature

compensation -40 to +65°C

Eliminate crimps

Deluge / Sunshade protection

as standard

New Adhesive

Plastic optics block Remove

flow cell as standard

Monitor 4-20mA &Supply voltage


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Spurious events

• All declared events are logged (D&T)• Detector noise - filter algorithm added• Temperature warning added• Deluge / sunshade protects against extreme

conditions• Low supply voltages generate warnings before fault


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Service request

• Indicates via the configurable 4-20mA output:– Dirty Optics– Low lamp intensity– Negative zero drift– Temperature out of range– Power supplies out of range (internal and external)– Detector noise


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Diagnostics PLUSPLUS

• “Obscured optics”• “Negative gas reading”• “Lamp output”• “Internal failure”

• “Temp limit exceeded”– Fixed limits, temp shocktemp shock

• ““Bad 24v supply”Bad 24v supply”• ““Bad 4-20mA loop”Bad 4-20mA loop”• ““Signal quality”Signal quality”• ““Alarm”Alarm”

New diagnostic featuresNew diagnostic features

Maintenance on demandMaintenance on demand

Discreet mA Warning & fault levelDiscreet mA Warning & fault level

Simplified interrogator messagesSimplified interrogator messages


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Software PLUSPLUS

• Multipoint temp compensationMultipoint temp compensation– 43 points from 2 on Optima

• Configurable mA outputConfigurable mA output– Fault 0-mA

– Inhibit 1-4mA

– Warning 1-4mA

– Over range 20-21.5mA

• Event logEvent log– All warnings, faults & alarms

• Advanced signal processingAdvanced signal processing


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Lamp PLUSPLUS • Extended lamp life

– Drive current reduced - 98% to 85% (7x)

• Low intensity warning


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Upgrade PLUSPLUS

• Enhancements– Configurable output– Maintenance on demand– Improved diagnostics– Bulb, noise and flicker

algorithms– Integration algorithms

• Software – CENELEC + UL

Q1 2000 – CSA + DMT (performance)

Q2 2000

• Hardware– not retro-fitable

• Not available– Multi point temp compensation– Current monitoring– Improved heating


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• Standard Configuration– Optima Plus

• methane, propane• butane, ethane• propylene.

– Weather protection– Deluge protection– Dust Barrier

• Gassing cell +


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• Flow housing Configuration– Optima Plus

• methane• propane• butane• ethane• propylene.

– No change


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Availability

Authority Detail Deliveries

ATEX EExd IIC T5 –40o to 55oCEExd IIC T4 –40o to 65oC(II 2 G)

End March

UL Class 1 Div 1 B,C & D End March

CSA Class 1 Div 1 B,C & DE79 Exd IIC T5 & T4

Sept 2000

DMT Performance to EN 50054:CH4 + others

Sept 2000


NB: CO2 & FM units no longer available


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Optima 1 exit plan

Type Last deliveries

CENELEC: HC & Ethylene End March

UL: HC & Ethylene End March

CSA: HC & Ethylene Sept 2000

DMT: HC Sept 2000

FM: HC & Ethylene Discontinued

CENELEC & UL : CO2 Discontinued

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