1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJune 29, 20101SUBJECT 268COUTLINE OF INVESTIGATIONFOROUTLINE OF INVESTIGATION FOR MULTI-DETECTOR TEST APPARATUSIssue Number: 1June 29, 2010Summary of TopicsThis first issue of the Subject 268C Ou
2、tline of Investigation for Multi-Detector Test Apparatus covers test equipment that may be used tovalidate the functional operation of multiple integrated sensors ormutually exclusive operating sensors within a single detector.COPYRIGHT 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT
3、AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 29, 2010SUBJECT 268C2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION2 General 52.1 Components .52.2 Units of measurement
4、 .52.3 Reference publications 5CONSTRUCTION3 General 5PERFORMANCE4 General 65 Normal Operation Test 76 Temperature Test .87 Variable Ambient Temperature Tests .117.1 Operation in high and low ambients .117.2 Effect of shipping and storage 128 Humidity Test .129 Circuit Measurement Test .1210 Static
5、Discharge Test .1311 Endurance Test 1312 Abnormal Operation Test 1413 Dielectric Voltage-Withstand Test .1414 Vibration Test 1515 Tests on Polymeric Materials .1515.1 General .1515.2 Temperature test .1516 Electrical Supervision .1617 Dust .1618 Abnormal Application Test .17MARKINGS19 General 17INST
6、RUCTIONS20 Details .18ANNEX A STANDARDS FOR COMPONENTSJUNE 29, 2010 SUBJECT 268C 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTIONScope1.1 These requirements apply to multi detector test apparatus which are intended to supplement t
7、hein-service functional operation of multi-sensor detectors that may include, but not be limited to the integraluse or mutually exclusive use of heat detection, smoke detection, carbon monoxide/gas detectioncapabilities. These apparatus may consist of pressurized gas, liquid, solids or combination t
8、hereof toproduce the necessary simulant.1.2 These products are not intended to assess the performance of the detector in accordance with theapplicable Standard, but are intended to verify functional operation of the detector as defined by thedetector manufacturer.1.3 Multi-detector test apparatus ar
9、e intended for handling and use by a qualified professional.1.4 These products are not intended for use in hazardous locations.1.5 These products have not been assessed for use in oxygen rich environments.1.6 Hazards and/or applications of the materials, chemicals, and/or pressurized container used
10、to storethe primary reactive component used to initiate the intended signaling performance, have not beeninvestigated.1.7 These products are battery operated and may consist of a limited energy, Class 2 powersupply/charging circuit.1.8 These products do not cover:a) Products covered by the Outline f
11、or CO Gas Test Kit for Gas and Vapor Detectors andSensors, SU 2075A;b) Products covered by the Certification Requirement Decision for smoke detector aerosolsprays issued for Smoke Detectors For Fire Alarm Systems, UL 268;c) Test and certification requirements for Alarms, Sensors and/or detectors;d)
12、RF transmission of signals between devices;e) Primary or secondary battery charging circuits, operational life or battery performance/safetyrequirements associated with rechargeable batteries;f) Performance and safety requirements associated with non-rechargeable batteries, org) Emergency signaling
13、equipment as addressed in Standards such as, but not limited to, Gasand Vapor Detectors and Sensors, UL 2075; General-Purpose Signaling Devices and Systems,UL 2017; Smoke Detectors For Fire Alarm Systems, UL 268; Control Units and Accessories forFire Alarm Systems, UL 864; the National Fire Alarm Co
14、de, NFPA 72 and Standard for theInstallation of Carbon Monoxide (CO) Detection and Warning Equipment, NFPA 720.JUNE 29, 2010SUBJECT 268C4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL2 General2.1 Components2.1.1 Except as indicated in 2.1.2,
15、 a component of a product covered by this outline shall comply with therequirements for that standard. See Annex A for a list of standards covering components generally usedin the products covered by this outline.2.1.2 A component is not required to comply with a specific requirement that:a) Involve
16、s a feature or characteristic not required in the application of the component in theproduct covered by this statement orb) Is superseded by a requirement in this standard.2.1.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.1.4 Specific compo
17、nents are incomplete in construction features or restricted in performancecapabilities. Such components are intended for use only under limited conditions, such as certaintemperatures not exceeding specified limits, and shall be used only under those specific conditions.2.2 Units of measurement2.2.1
18、 The metric unit shall be designated as the official unit for purposes of this standard. Where valuesof measurement are specified in both SI and English units, either unit is used. In cases of dispute, themetric unit shall be used.2.3 Reference publications2.3.1 Where reference is made to other publ
19、ications, such reference shall be considered to refer to thelatest edition and all amendments published to that edition up to the time when this Outline was published.CONSTRUCTION3 General3.1 A multi- detector test apparatus shall be provided with at least one of two functional test elementswhich ma
20、y include but may not be limited to the carbon monoxide, smoke, and heat as components toassess the functional operation of a multi-sensor detector. The safety limits and performancespecifications shall not exceed those specified within this Outline.JUNE 29, 2010 SUBJECT 268C 5UL COPYRIGHTED MATERIA
21、L NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULPERFORMANCE4 General4.1 Each end product multi-sensor detector intended for use with the multi-detector test apparatus shallbe subject to all of the applicable tests as defined within this outline. The requirements wi
22、thin this outlinevalidate the functional operation of each multi-detector test apparatus and the multi-sensor detectorperformance is assessed in accordance with the defined limits for the applicable performancerequirements within the standards referenced in 4.2. Sensitivity and performance for each
23、sensortechnology is defined within each standard as referenced in 4.2.4.2 The multi-sensor detectors shall be performance tested before and after each performance testreferenced in this outline and shall comply with the applicable performance requirements referenced in theapplicable Standards or pub
24、lished documents;Smoke Detectors For Fire Alarm Systems, UL 268Sensitivity testDustHeat Detectors for Fire Protective Signaling Systems, UL 521Operating temperature testRate of rise testDustGas and Vapor Detectors and Sensors, UL 2075Sensitivity testElectrical supervisionDustOutline for CO Gas Test
25、Kit for Gas and Vapor Detectors and Sensors, SU 2075ASensitivity testDustin addition to the requirements contained within this outline.4.3 For apparatus consisting of chemicals with an ignition or flash point, the ignition and flash point ratingof the material must be assessed in accordance with Tes
26、ts for Comparative Flammability of Liquids, UL340. The following tests shall be conducted.Flash point testIgnition testJUNE 29, 2010SUBJECT 268C6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULSpontaneous testBurning characterization testQuali
27、tative gas chromatographic analysisQualitative infrared analysisSpecific gravity testException: Additional fault conditions, such as compromising electrical, mechanical and/or softwaresafety elements, on the apparatus may be applied to reduce or eliminate testing in accordance with UL340 provided th
28、at the tests are reflective of the ignition and flammability hazards that may exist duringoperational use or storage of the flammable liquid. See electrical supervision test, Section 16.5 Normal Operation Test5.1 The multi-detector test apparatus shall be configured and operated as specified by the
29、apparatusoperating instructions.5.2 When using the apparatus, it shall be used within the recommended operating specifications of theapparatus and within the operating specifications of the compatible multi-sensor detector.5.3 The production or simulation of smoke, carbon monoxide (CO) and/or heat f
30、rom the apparatus, shallresult in an alarm initiation from the detector.5.4 The multi-sensor detector shall result in the same type of alarm signal as required for the specificdetection/detector, operational characteristics referenced in 4.2 for the specific sensor/detector publisheddocument and def
31、ined performance criteria.5.5 When operating the multi-detector test apparatus with the multi-sensor detector, the sensitivityperformance of the detector shall not be compromised. Following each operation or performance test onthe apparatus and detector, respectively, the applicable sensitivity test
32、 per the applicable standard, shallbe conducted to verify the operation of the apparatus and that the sensitivity of the detector has not beencompromised. Functional testing to verify all claims of operation are to be made on the apparatus, todetermine that none of the modes or principles of operati
33、on compromise the performance of the detector.Reference 4.2 for specific sensor/detector performance criteria.JUNE 29, 2010 SUBJECT 268C 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL6 Temperature Test6.1 The materials or components employe
34、d in the apparatus shall not be subjected to a temperature risegreater than the values indicated in Table 6.1 under any condition of intended operation.Table 6.1Maximum temperature risesMaterials and components Normal standby, (Signaling) alarmcondition,C (F) C (F)A. COMPONENTS1. Capacitors:a, ba. E
35、lectrolytic types 25 (45) 40 (72)b. Other types 25 (45) 65 (117)2. Rectifiers At any pointa. Germanium 25 (45) 50 (90)b. Selenium 25 (45) 50 (90)c. Silicon(i) Maximum 60 percent of rated voltage 50 (90) 75 (135)(ii) 61 percent or more of rated voltage 25 (45) 75 (135)3. Relay, solenoid, transformer,
36、 and other coils with:a. Class 105 insulation system:Thermocouple method 25 (45) 65 (117)Resistance method 35 (63) 75 (135)b. Class 130 insulation system:Thermocouple method 45 (81) 85 (153)Resistance method 55 (99) 95 (171)c. Class 155 insulation system:(i) Class 2 transformers:Thermocouple method
37、95 (171) 95 (171)Resistance method 115 (207) 115 (207)(ii) Power transformers:Thermocouple method 110 (198) 110 (198)Resistance method 115 (207) 115 (207)d. Class 180 insulation system:(i) Class 2 transformers:Thermocouple method 115 (207) 115 (207)Resistance method 135 (243) 135 (243)(ii) Power tra
38、nsformers:Thermocouple method 125 (225) 125 (225)Resistance method 135 (243) 135 (243)4. Resistors:ca. Carbon 25 (45) 50 (90)b. Wire wound 50 (90) 125 (225)c. Other 25 (45) 50 (90)5. Solid state devices See footnote d6. Other components and materials:a. Fiber used as electrical insulation or cord bu
39、shings 25 (45) 65 (117)b. Varnished cloth insulation 25 (45) 60 (108)c. Thermoplastic materials Rise based on temperature limit of thematerialJUNE 29, 2010SUBJECT 268C8Table 6.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FR
40、OM ULTable 6.1 ContinuedMaterials and components Normal standby, (Signaling) alarmcondition,C (F) C (F)d. Phenolic composition used as electrical insulation or as partswhose malfunction or deterioration results in a risk of electricshock, explosion, fire, or injury to personsee. Wood or other combus
41、tibles 25 (45) 125 (225)f. Sealing compound 25 (45) 65 (117)g. Fuses 25 (45) 65 (117)B. CONDUCTORS1. Appliance wiring materialf25 C (45F) less than the temperature limitof the wire2. Flexible cord (for example, SJO, SJT) 35 (63) 35 (63)3. Conductors of field-wired circuits to be permanently connecte
42、d tothe product35 (63) 35 (63)C. GENERAL1. All surfaces of the product and surfaces adjacent to or upon whichthe product is be mounted65 (117) 65 (17)2. Surfaces normally contacted by the user in operating the unit (suchas control knobs, push buttons, and levers):a. Metal 35 (63) 35 (63)b. Nonmetall
43、ic 60 (108) 60 (108)3. Surfaces subjected to casual contact by the user (such as theenclosure or grille):a. Metal 45 (81) 45 (81)b. Nonmetallic 65 (117) 65 (117)aFor an electrolytic capacitor which is physically integral with or attached to a motor, the temperature rise on insulatingmaterial integra
44、l with the capacitor enclosure shall not be more than 65C (117F).bIt is permissible to evaluate a capacitor which operates at a temperature higher than a 65C (117F) rise on the basis ofits marked temperature rating.cWhen the temperature rise of a resistor exceeds the values shown the power dissipati
45、on shall be 50 percent or less of themanufacturers rating.dThe temperature of a solid-state device (for example, transistor, SCR, integrated circuits), shall not exceed 50 percent ofits rating during the normal standby condition. The temperature of a solid-state device shall not exceed 75 percent of
46、 itsrated temperature under the alarm condition or any other condition of operation which produces the maximum temperaturedissipation of its components. For reference purposes 0C (32F) shall be identified as 0 percent. For integrated circuits theloading factor shall not exceed 50 percent of its rati
47、ng under the normal standby condition and 75 percent under any othercondition of operation. It is permissible that both solid-state devices and integrated circuits be operated up to the maximumratings under any one of the following conditions:1) The component complies with the requirements of MIL-ST
48、D.883C.2) A quality-control program is established by the manufacturer consisting of an inspection stress test followed byoperation of 100 percent of all components, either on an individual basis, as part of a subassembly, or equivalent.3) Each assembled production unit is subjected to a burn-in tes
49、t, under the condition which results in themaximum temperatures, for 24 hours while connected to a source of rated voltage and frequency in an ambientof at least 49 C (120F) followed by a Normal Operation Test, Section 5.eThe limitations on phenolic composition and on rubber and thermoplastic insulation do not apply to compounds whichhave been investigated and determined to have special heat-resistant properties.JUNE 29, 2010 SUBJECT 268C 9Table 6.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PE
