Sierra Monitor Corporation 3200 Series User manual

Sierra Monitor Corp 1991 Tarob Court Milpitas, CA 95035 USA [phone] [phone] Fax: [phone]
Model 3200 Series
Wet Bench Flame Detector
The various chemical vapors, acids and bases used in
thesemiconductormanufacturingwetbenchesposea
high potential for costly fires. Fires may result in costly
damagetoequipment,inventoryandcleanroomfacili-
ties.Personnelinjuryandcostlybusinessinterruptions
are also likely. Factory Mutual requires electro-optical
flame detectors in the semiconductor wet benches to
monitor for fire. These flame detectors must be suit-
able for the hostile chemicals used in the etching pro-
cess (such as hydrofluoric, sulfuric, and hydrochloric
acids).Furthermore,theymustbetested and approved
for fire response to FR polypropylene now used in the
constructionof wet benches as well asotherfuels such
as isopropyl alcohol.
The Model 3200 easily adapts to most standard fire
extinguishing systems and wet bench systems. It uti-
lizes relay output for alarm and trouble and does not
require special controllers or wiring / junction boxes.
The Model 3200 Flame Detector uses proven, stable
UV/IR technology to continuously monitor for flame in
wet bench applications. Using state-of-the-art micro-
processor controlled fire algorithms, the Model 3200
canrecognizedifferenttypesofflame signatures while
rejecting common false alarms. Continuous self diag-
nostics perform tests of the detector operation. Each
flame detector is tested to respond to a 4-inch diam-
eter isopropyl alcohol (IPA) fire at 10 feet with a 120o
field of view.
The standard Model 3200 has a sealed polypropylene
housing designed to an IEC 529 IP67 rating for pro-
tection from a wide variety of acids and solvents. Thus
occasionalsubmersionbythesechemicalswillnot dam-
age the detector. The detector is rated over a wide
operating temperature range for those applications
where drying or heating elements are used.A version
utilizing Polyvinylidene Fluoride (PVDF) is also avail-
able.
Field of View
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Model3200 Dimensions

Sierra Monitor Corp 1991 Tarob Court Milpitas, CA 95035 USA [phone] [phone] Fax: [phone]
Visit our Web site: www.sierramonitor.com E-Mail: [email protected]
Model 3200 Series Flame Detectors
Specifications
Sensitivity: 3.0 seconds to a 4 inch diameter
isopropyl alcohol pan fire (on-axis)
@10 feet
FieldofView: 120ofull cone
FalseAlarm Doesnot alarm to sunlight,
Immunity: fluorescent lights, flashlights, or
infrared heaters.
Input Voltage: 12 to 30 volts DC typically 24 VDC
CurrentDraw: @24VDC; 28 mA normal mode; 54mA
alarmmode
Operating Range
Temperature: Operating: 32o to 167oF (0oto 75oC)
Storage: -40oto 185oF ( -40oto 85oC)
Humidity: 10 to 90% RH
Typical Fire Type: FR & HB polypropylene and
isopropyl alcohol
Red LEDs: Two, indicating Normal
Operation and Trouble/Alarm
AlarmRelay: 1.0 amp @ 30 VDC resistive
TroubleRelay: 1.0 amp @ 30 VDC resistive
UVSensor: Solar-blindUltravioletsensor-radiant
energyinthe 185 to 260 nmband
IRSensor: Solidstate infrared sensor detecting -
IRenergy in the .715 to3.5 microns
Acid/Solvent Resistant to sulfuric acid,
Resistant Surfaces: phosphoric acid, hydrofluoric acid,
hydrochloric acid, ammonium
hydroxide, nitric acid, isopropyl
alcohol, deionized water, chromium
phosphate, n-methyl-pyrrolidane,
organic solvent base photoresist
strips, ozone, etc.
Housing: FRPolypropylene(IP67,UL94
flamability rating V0) or
(Polyvinylidene Fluoride - PVDF
available) (for models -2X and -3X)
with a 6 foot pigtail (8 wires
standard - 4 wires for the fire relay, 2
wires for the trouble relay and 2
wires fro the power)
Dimensions: 3.4 x 4.2 x 1.0 inches
(8.6 x 10.7 x 2.5 cm)
Weight: 1 lb (0.5 Kg)
Approval: FMApproved,CSFM7210-1608:101
Additional Features
Self-TestModels: Incorporateinternalself-testforUV
lamp
EnhancedModels: Incorporateinternalself-testanda
RS-485computer interface for
downloadingrealtimespectraldata
pre-firespectraldata (includes 2
additionalwiresinpigtail)
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© 2009 by Sierra Monitor Corporation Rev. B2-02-23-09
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