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SMOKE DETECTORS SENSITIVITY ANALYZER

Model 501-B

USER’S GUIDE

GEMINI SCIENTIFIC CORP.

1122-B ASTER AVENUE, SUNNYVALE, CA 94086

Phone: 408.554.0310
Fax:

408.554.7143

E-mail: [email protected]

Web: http://www.geminiscientific.com

Version 3 - May 2004

Содержание 501-B

Страница 1: ...ITY ANALYZER Model 501 B USER S GUIDE GEMINI SCIENTIFIC CORP 1122 B ASTER AVENUE SUNNYVALE CA 94086 Phone 408 554 0310 Fax 408 554 7143 E mail Gemini geminiscientific com Web http www geminiscientific...

Страница 2: ...ORS Model 501 B Aerosol Generator USER S GUIDE Serial No Date Calibrated Inspected by Sold To GEMINI SCIENTIFIC CORP 1122 B ASTER AVENUE SUNNYVALE CA 94086 For technical assistance please dial 800 582...

Страница 3: ...neral Objective 11 5 2 Legal and Technical Authorities 11 5 3 Sensitivity Ranges 12 5 4 Test Procedures 12 5 5 Calibration and Accuracy 14 5 6 Operational Precautions 14 6 0 Servicing 15 6 1 General 1...

Страница 4: ...AY BE HARMFUL TO THE HEALTH OF THE OPERATOR IF PRECAUTIONS ARE NOT TAKEN The Model 501 B Aerosol Generator Smoke detector Analyzer generates an aerosol consisting of a refined NF Grade white mineral o...

Страница 5: ...ng it from the ceiling From the test results inspectors can decide whether to remove the detector for cleaning or sensitivity adjustment The current NFPA 72 Fire Alarm Code 1996 recommends sensitivity...

Страница 6: ...ream by diverting part of the aerosol from the generator The amount of diversion is controlled by an adjustable valve and measured by a flow meter 3 2 Main Elements of the Instrument Figure 1 shows th...

Страница 7: ...Compressor Pump Switch On Off 3 Concentration Adjust Knob 4 Pressure Adjust Knob 5 Pressure LED Indicator 6 Dilution LED Indicator 7 Timer Reset Button 8 Pressure Line Jet 9 Nebulizer Reservoir 10 Dra...

Страница 8: ...attery recharge position Compressor Pump Switch ON OFF When the system is ready Function Switch set at the ON position set the Compressor Switch at the ON position will turn on the compressor Concentr...

Страница 9: ...ntact Gemini Scientific for more info Diffuser The diffuser inside the shroud has six holes which limits the flow rate and distribute the smoke evenly to the detector It also serves as a connection be...

Страница 10: ...VDC battery to the AC Adapter Ext Battery jack located on the left panel 2 Set the Power Source switch to the EXT Power position 3 Set the Function Switch 1 at the On position 4 Repeat procedures 4 5...

Страница 11: ...charging rate exceeds 1 amp ONLY use the NiMH battery charger provided D Do not use charger in wet or damp conditions It is intended for indoor use only E The charger is designed to operate on standar...

Страница 12: ...oil in subsequent use The contaminant would cause blockage of the small hole inside the nebulizer and may cause unnecessary repair The appearance of large bubbles coming out from the bottom of the di...

Страница 13: ...not in actual use to conserve battery power Concentration adjust settings need not be changed if you want to retain similar setting for the next test If you remove the nebulizer from the manifold be s...

Страница 14: ...ria by consulting with your state Fire Marshall and manufacturers to fit your own needs and resource Record all data by using either the sample test report in APPENDIX C or your own recording method 5...

Страница 15: ...ing on the test result you can stop or do additional test using either the upper or lower limit of the sensitivity range For example if the specified sensitivity is 1 5 0 5 ft your first test would be...

Страница 16: ...nufacturer s specification of 3 0 0 5 ft B 3 0 ft 2 5 ft Is within manufacturer s specification of 3 0 0 5 ft C 3 0 ft and 2 5 ft Is within manufacturer s specification of 3 0 0 5 ft D 2 5 ft 2 1 ft I...

Страница 17: ...rosol temperature at 75 F Estimated uncertainty based on our study relating detectors sensitivity test results between the UL 268 Smoke box and the Gemini 501 B Tester is 0 4 ft both operator and meas...

Страница 18: ...e instrument rather than to shift in detector sensitivity Periodic checking with the standards may be used as the criteria for need of service action i e cleaning of small orifices and filter change a...

Страница 19: ...heck filter connection elbows to make sure that all tubes are tightly connected Install drain reservoir Calibration Shift See above Vacuum line leak Wrong Nebulizer See above Check line connections dr...

Страница 20: ...ydride Battery B0101 Battery Charger NiMH F0603 B Vacuum Filter with indicator box of 10 F0603 B1 Vacuum Filter each O1501 Rudol TM Liquid Oil 501 B AC Adaptor for earlier Models Optional AC adaptor f...

Страница 21: ...monitor measures aerosol mass concentration in terms of frequency change of the crystal Sensitivity of the monitor is in the order of 0 01 mg m3 The UL Smoke Box and the Gemini 501 B use different met...

Страница 22: ...the parts Air dry only before reassemble To Assemble Nebulizer Place BOTH of the o rings over the Jet 6 Using dip Tube 7 as handle insert the Cap 5 into the Jet 6 inside the Housing 2 Hold the Housing...

Страница 23: ...ocation Number Number Model P I Sensitivity Point Fail F Range Tested By Name Signature Date Page Building Location Room Zone of Property Name Property Address Property Contact Person Instrument used...

Страница 24: ...on the vacuum filter away from the elbows while keeping orange fitting pushed in 7 Replace with a new vacuum filter Observe correct orientation 8 Insert black tube from the vacuum filter completely in...

Страница 25: ...22 APPENDIX E Material Safety Data Sheet RUDOL OIL...

Страница 26: ...23...

Страница 27: ...IX F Pictorial Illustrations Fig A Correct way of filling the nebulizer Fig B Symptom of clogged nebulizer Fig C Removal of nebulizer housing by twist pull motion Fig D Removal of target piece from th...

Страница 28: ...nnect the hose from the tester 5 Any flexible hose with 1 1 2 to 2 1 2 inside diameter can be used as connector Tape the connection with duct tape 6 Insert the hose into the inlet tube of the detector...

Страница 29: ...h an access panel door extend the hose into the duct and place it over the inlet tube of the detector see figure on the previous page If not remove the duct detector and perform the same procedure 3 T...

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