Passive protection device detection
Passive protection device detection, Total:208 items.
The international standard classification for "Passive protection device detection" includes: Power transmission and distribution networks in general , Substations. Surge arresters , Electric traction equipment , Power transmission and distribution networks , Road vehicle systems , Bodies and body components , Relays , Geology. Meteorology. Hydrology .
The Chinese standard classification for "Passive protection device detection" includes: Relay protection and automatic device , Traction power supply in general , Bearing system , Vehicle body (cab) and accessories , Meteorology .
Group Standards of the People's Republic of China
- T/CMES 26002-2020 Grain quality non-destructive rapid detection device
- T/QGCML 1194-2023 Photoelectric safety protection device
- T/CEC 246-2019 Inspection specification for relay protection test device of smart substation
- T/QGCML 1880-2023 Car bumper detection device
- T/CEEIA 512-2021 Submarine Cable Protection Device for Offshore Wind Power Part 2: Protection Device of J-tube-less Interface with Monopile
- T/CEC 346-2020 Testing specification for harmonic overvoltage protection device
- T/AHMS 0007-2023 Technical specifications for the selection of detection points of lightning protection system
- T/CSEE 0141-2019 Inspection rules for relay protection and safety automatic devices in thermal power plants
- T/CCTAS 64-2023 Passive wireless temperature measurement device for highway power supply and distribution equipment
- T/CEC 489-2021 Inspection specification for flexible DC transmission control and protection devices
- T/CSEE 0334.1-2022 Automatic detection device for relay protection tester Part 1: Automatic detection device for analog interface
- T/CECS 10023-2019 Phase change heat storage device without internal heat resource
Professional Standard - Electricity
- DL/T 2544-2022 Guidelines for condition maintenance of relay protection devices
- DL/T 995-2016 Testing regulations on protection and stability control equipment
- DL/T 995-2006 Testing Regulations on Protection and Stability Control Equipment
- DL/T 527-2002 Technical condition for power supply at static state protection equipment
- DL/T 1237-2013 Specification for Inspection of 1000kV Relaying Protection and Power Grid Security Automatic Equipment
- DL/T 2382-2021 Inspection regulation for distribution relay protection device
- DL/T 1075-2016 General specifications for protection and control equipment
- DL/T 2379.4-2023 Test specification of on-site protection equipment - Part 4: Busbar protection
- DL/T 527-2013 Technical Specification for Power Modules at Relay Protection and Control Equipment
- DL/T 527-1993 Technical condition for power supply at static state protection equipment
- DL/T 2010-2019 Technical specification for protection configuration and setting of high-voltage var compensator
- DL/T 2379.3-2023 Test specification of on-site protection equipment-Part 3: Transformer protection
Professional Standard - Energy
- NB/T 42150-2021 Specific protective devices for low-voltage surge protective devices
- DL/T 2379.2-2021 Test specification of on-site protection equipment - Part 2: Line protection
- NB/T 11056-2023 Calibration specification for automatic testing equipment for relay test set
- DL/T 2379.1-2021 Test specification of on-site protection equipment - Part 1: Smart management unit
- NB/T 11205-2023 Inspection specification for protective relay comprehensive recording and intelligent operating-maintenance equipment in substation
- DL/T 2391-2021 Test code for residual current operated protective device
National Metrological Verification Regulations of the People's Republic of China
- JJG(建材) 134-1999 Point light detection device
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 25985-2010 Protective of devices against unauthorized use of motor vehicles
- GB/T 42148-2022 Railway application—Fixed installations—D.C measurement,control and protection devices
- GB/T 42150.1-2022 Test specification for on-site protection equipment—Part 1:General part
- GB/T 31237-2014 Inspection specification for 1000kV power system protection relay and automation device
- GB/T 17677-1999 Equipment for crop protection - Antidrip devices - Determination of performance
- GB 17354-1998 Front and rear protective devices for passenger cars
Henan Provincial Standard of the People's Republic of China
- DB41/T 747-2012 Inspection rules for elevator upward overspeed protection device
- DB41/T 727-2021 Determination of the parts to be inspected for the inspection of lightning protection devices
Hebei Provincial Standard of the People's Republic of China
- DB13/T 1442-2011 Inspection and Calibration Method of Crane Overspeed Protection Device
Professional Standard - Machinery
- JB/T 6513-2002 Furnace safeguard supervision system
- JB/T 9563-1999 Overexciting Protection Equipment
- JB/T 9570-1999 Phase Differential High Frequency Protection Equipment
- JB/T 13262-2017 Nondestructive detection machine for beef tenderness
- JB/T 9564-1999 Differentialpr otectione quipmen
未注明发布机构
- IEC TR 62627-09:2016 Fibre optic interconnecting devices and passive components – Vocabulary for passive optical devices
- CSA C22.2 No.270-2016(R2021) Arc fault protective devices
- AS 4625:2008(R2016) Electronic flame protection devices and flame detectors
- DIN 58610 E:2013-11 Respiratory protective devices - Full face masks connected with fire fighters head protection for use as a part of a respiratory protective device - Requirements and tests
工业和信息化部
- JB/T 13938-2020 Nondestructive testing instrument- Basic requirements for penetrate testing device
- YD/T 2971-2015 Optical bypass protection device
Zhejiang Provincial Standard of the People's Republic of China
- DB3308/T 076-2020 Inspection Rules for Lightning Protective Device Testing Institutions
煤炭工业部
- MT 395-1995 Mining lamp short circuit protection device
Shanghai Provincial Standard of the People's Republic of China
- DB31/ 167-2002 Leakage protection power distribution device
- DB31/ 167-1995 Leakage protection power distribution device
Professional Standard - Coal
- MT/T 395-1995 Miner's lamp short circuit protection device
中国气象局
- QX/T 402-2017 Specification for supervision and inspection of lighning protection system inspection units
工业和信息化部/国家能源局
- JB/T 13264-2017 Nondestructive testing device for pesticide residues on/in fruits
Taiwan Provincial Standard of the People's Republic of China
- CNS 11497-2007 Child restraints for automobiles
- CNS 11497-2001 Child restraints for automobiles
唐山市市场监督管理局
- DB1302/T 529-2021 Specification for determining detection points of lightning protection devices
Guangdong Provincial Standard of the People's Republic of China
- DB44/ 457-2007 Fall protection equipment for climb
HU-MSZT
- MSZ 15490/2-1980 Respiratory protection device. Technical requirements and testing of powder isolation protection devices
- MSZ 4874/1-1983 Power protection device. For contact protection. current blocking
- MSZ 15490/6-1980 Respiratory protection device. Technical requirements and testing of oxygen devices
- MSZ 15490/5-1980 Respiratory protection devices, technical requirements and testing of inner tube equipment
- MSZ 6575/19-1982 Eddy current method detects the thickness of the surface of galvanic protection devices
- MSZ 4851/4-1989 Contact protection detection system. Protect connections and detection
- MSZ 11459/12-1979 TV protection device detection. Picture channel sign joint and non-linear deformation
- MSZ 6205-1958 Metal welding protection device
SCC
- CEI EN IEC 62046:2021 Machinery safety - Application of protective devices to detect the presence of people
- BS EN 61300-3-10:1997 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements-Gauge retention force
- NS 2934:1981 Hearing protection — Test methods
- AS 1270:1983 Hearing protection devices
- AS 1270:1975 Hearing protection devices
- CSA C22.2 No.235-2004(R2022) Supplementary Protectors
- SAIA A92.8-2006 Vehicle-Mounted Bridge Inspection and Maintenance Devices
- DANSK DS/IEC TS 62627-09:2016 Fibre optic interconnecting devices and passive components – Vocabulary for passive optical devices
- SAIA A92.8-2012 Vehicle-Mounted Bridge Inspection and Maintenance Devices
- CEI UNI 8:2023 Cathodic protection devices Cathodic protection power supply
- DIN 54191:2017 Non-destructive testing - Thermographic testing of electric installations
- AS 1023.2:1972 Thermal protection of electric motors - Thermal overload protective devices
- CAN/CSA C22.2 No.235-M89-1989(R2001) Additional Protectors
- CEI EN 61300-3-10:2008 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-10: Examinations and measurements - Gauge retention force
- DANSK DS/EN 61300-3-10:2007 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-10: Examinations and measurements - Gauge retention force
- BS EN 61300-3-1:1997 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements-Visual examination
- NEMA LS 1-1992(R2000) Low-Voltage Surge-Protection Devices
- CSA C22.2 No.226-M1989-1989 Protection devices for telecommunications networks
- DANSK DS/EN IEC 61300-3-55:2020 Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-55: Examinations and measurements – Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components...
- NS-INSTA 670:1989 Hearing protection devices — Requirements
- CSA C22.2 No.270-14:2014 Arc fault protective devices
- DIN 54191 E:2017 Draft Document - Non-destructive testing - Thermographic testing of electric installations
- UNE-EN 61300-3-10:1998 FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS. BASIC TEST AND MEASUREMENT PROCEDURES. PART 3-10: EXAMINATIONS AND MEASUREMENTS. GAUGE RETENTION FORCE.
- CEI EN IEC 61300-3-55:2021 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures Part 3-55: Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components
- MIL MIL-S-23665B-1968 SONOBUOY, DETECTION DEVICES, PRESERVATION, PACKAGING AND PACKING, PROCEDURES FOR (NO S/S DOCUMENT) (SUPERSEDING MIL-S-23665A)
- CEI 45-19:1997 Radiation detectors used for the instrumentation and protection of nuclear reactors - Characteristics and test methods
- DIN VDE 0661-2 E:1993 Draft Document - Portable protective devices for an increase in the protection of consumer appliances without earth conductor
- DIN V DE 0661-2 E:1993 Draft Document - Portable protective devices for an increase in the protection of consumer appliances without earth conductor
- UNE 26301:1986 SIDE PROTECTION DEVICE OF COMERCIAL VEHICLES.
- CSA Z94.3-2002 Eye and Face Protectors
- AENOR UNE-EN 61733-1:1997 Measurement relays and protection devices. Protection communication interface. Part 1: Generalities.
International Organization for Standardization (ISO)
- ISO/TS 16973:2016 Respiratory protective devices - Classification for respiratory protective device (RPD), excluding RPD for underwater application
- ISO 18527-2:2021 Eye and face protection for sports use - Part 2: Requirements for eye protectors for squash and eye protectors for racquetball and squash 57
- ISO 16972:2010 Respiratory protective devices - Terms, definitions, graphical symbols and units of measurement
- ISO 21924-3:2017 Protective equipment for martial arts — Part 3: Additional requirements and test methods for trunk protectors
British Standards Institution (BSI)
- BS PD ISO/TS 16973:2016 Respiratory protective devices. Classification for respiratory protective device (RPD), excluding RPD for underwater application
- BS EN 61300-3-10:2007 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Examinations and measurements - Gauge retention force
- PD IEC TS 63334:2021 Fibre optic interconnecting devices and passive components. Conditions for testing the protection against dust and water ingress of passive optical protective housings and hardened fibre optic connectors (IP5X, IPX4, IPX5, IPX6)
- BS EN IEC 61300-3-55:2020 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures - Examinations and measurements. Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components
- BS 7714:2005 Care and handling of seals for fluid power applications - Guide
- BS EN 133:2002 Respiratory protective devices - Classification
- BS EN 61331-3:1999 Protective devices against diagnostic medical X-radiation - Protective clothing and protective devices for gonads
- BS PD ISO/TS 16975-1:2016 Respiratory protective devices. Selection, use and maintenance. Establishing and implementing a respiratory protective device programme
- BS EN 61300-3-20:2002 Fibre optic interconnecting devices and passive components. Basic test and measurement procedures. Examinations and measurements. Directivity of fibre optic branching devices
- 20/30422470 DC BS EN IEC 62134-1. Fibre optic interconnecting devices and passive components. Fibre optic protective housings. Part 1. Generic specification
- BS EN 61643-11:2012+A11:2018 Low-voltage surge protective devices. Surge protective devices connected to low-voltage power systems. Requirements and test methods
- BS ISO 6686:1995 Equipment for crop protection - Anti-drip devices - Determination of performance
International Electrotechnical Commission (IEC)
- IEC 62606:2013+AMD1:2017+AMD2:2022 CSV General requirements for arc fault detection and protection devices (AFDDs)
- IEC 62606:2017 General requirements for arc fault detection and protection devices (AFDDs)
- IEC 62606:2013/AMD2:2022 General requirements for arc fault detection and protection devices (AFDDs)
- IEC 61496-2:2020 Safety of machinery - Electro-sensitive protective equipment - Part 2: Particular requirements for equipment using active opto-electronic protective devices (AOPDs)
Society of Automotive Engineers (SAE)
- SAE AIR769-1973 Ground Fault Protection on 400-Cycle Ground Power Unit
- SAE ARP1199A-1990 SELECTION, APPLICATION, and INSPECTION of ELECTRIC OVERCURRENT PROTECTIVE DEVICES
- SAE ARP1199-1972 SELECTION, APPLICATION, and INSPECTION of ELECTRIC OVERCURRENT PROTECTIVE DEVICES
- SAE AIR825/11A-2023 Closed-Cycle Protective Breathing Devices
PL-PKN
- PN E05009-41-1992 Electrical installations of buildings Protection for safety Protection against electric shock
- PN E05009-43-1991 Electrical installations of buildings Protection for safety Protection against overcurrent
- PN E05009-42-1991 Electrical installations of buildings Protection for safety Protection against thermal effects
- PN E05009-45-1992 Electrical installations of buildings Protection for safety Protection against undervoltage
YU-JUS
- JUS N.B2.764-1990 Lovi voltage electricai instalJations. Verification of conditions for protection by automatic disconnec- tion of the supply. Verification of the operation of the residual current protective devices
Association Francaise de Normalisation
- NF C79-152*NF EN 61496-2:2014 Safety of machinery - Electro-sensitive protective equipment - Part 2 : particular requirements for equipment using active opto-electronic protective devices (AOPDs)
- NF L51-158:1965 Appareillage électrique pour aéronefs - Appareil de protection contre les surtensions pour une source d'énergie.
- NF EN 12021:2014 Respiratory protection devices - Compressed gases for respiratory protection devices
- NF S76-013*NF EN 142:2002 Respiratory protective devices - Mouthpiece assemblies - Requirements, testing, marking
- NF EN 61300-3-10:2007 Fiber optic interconnecting devices and passive components - Fundamental methods of testing and measurement - Part 3-10: examinations and measurements - Gauge retention force
- NF S77-111:1998 Personal eye-protection. Filters and eye-protectors against laser radiation (laser eye-protectors).
- NF C93-903-10:1998 Fibres optic interconnecting devices and passive components. Basic test and measurements procedures. Part 3-10 : examinations and measurements. Gauge retention force.
- NF S71-501*NF EN 341:2011 Personal fall protection equipment - Descender devices for rescue
SAE - SAE International
- SAE AIR769-1964 GROUND FAULT PROTECTION ON 400-CYCLE GROUND POWER UNITS
- SAE ARP1199A-1984 Selection@ Application@ and Inspection of Electric Overcurrent Protective Devices
- SAE AIR825/11-2001 Closed-Cycle Protective Breathing Devices
Korean Agency for Technology and Standards (KATS)
- KS C IEC 61496-2:2019 Safety of machinery — Electro-sensitive protective equipment — Part 2: Particular requirements for equipment using active opto-electronic protective devices(AOPDs)
- KS C IEC 61496-3:2019 Safety of machinery — Electro-sensitive protective equipment — Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection(AOPDDR)
- KS C 4613-1994 Residual current protective devices
- KS R 4053-2008 Child restraints system for automobiles
- KS B ISO 16001:2012 Earth-moving machinery-Hazard detection systems and visual aids-Performance requirements and tests
Defense Logistics Agency
- DLA MIL-P-37646-1977 PROTECTORS, ORTHOPEDIC CAST
- DLA A-A-59842-2009 BELAY DEVICE, MOUNTAINEERING
US-FCR
- FCR FED H-08-4 VOL 2 285-1984 TREE PROTECTION DEVICE
- FCR UFGS-26 05 71.00 40-2014 LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- FCR UFGS-26 05 70.00 40-2011 HIGH VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- FCR UFGS-26 05 70.00 40-2015 HIGH VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- FCR UFGS-33 75 00.00 40-2008 SWITCHGEAR AND PROTECTION DEVICES
- FCR UFGS-33 75 00.00 40-2014 SWITCHGEAR AND PROTECTION DEVICES
KR-KS
- KS C IEC 61496-2-2019 Safety of machinery — Electro-sensitive protective equipment — Part 2: Particular requirements for equipment using active opto-electronic protective devices(AOPDs)
- KS C IEC 61496-3-2019 Safety of machinery — Electro-sensitive protective equipment — Part 3: Particular requirements for Active Opto-electronic Protective Devices responsive to Diffuse Reflection(AOPDDR)
American Society for Testing and Materials (ASTM)
- ASTM F3016/F3016M-19 Standard Test Method for Surrogate Testing of Vehicle Impact Protective Devices at Low Speeds
CN-QIYE
- Q/GDW 330-2009 1000kV system relay protection device and safety automatic device inspection technical specification
- Q/GDW 239-2008 1000kV relay protection and power grid safety automatic device inspection rules
German Institute for Standardization
- DIN 54191:2017-10 Non-destructive testing - Thermographic testing of electric installations
- DIN EN 12941:2009 Respiratory protective devices - Powered filtering devices incorporating a helmet or a hood - Requirements, testing, marking (includes A1:2003 and Amendment A2:2008); English version of DIN EN 12941:2009-02
- DIN EN 61300-3-10:2007-10 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-10: Examinations and measurements - Gauge retention force (IEC 61300-3-10:2006); German version EN 61300-3-10:2007 / Note: DIN EN 61300-3-10 (19...
- DIN EN IEC 61300-3-55:2022-09 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55: Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components (...
- DIN EN 133:2002 Respiratory protective devices - Classification; German version EN 133:2001
- DIN 58610:2014 Respiratory protective devices - Full face masks connected with fire fighters head protection for use as a part of a respiratory protective device - Requirements and tests
U.S. Military Regulations and Norms
- ARMY A-A-50121 A-1990 PROTECTOR, CRAMPON
RU-GOST R
- GOST 27888-1988 Rotating electrical machines. Built-in thermal protection. Rules for protection
- GOST R 51839.3-2001 Protective technologies. Means of protection. Anticopy protection. General technical requirements
National Aeronautics and Space Administration (NASA)
- NASA UFGS-26 05 73.00 40-2008 OVERCURRENT PROTECTIVE DEVICES
- NASA UFGS-26 05 71.00 40-2008 LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- NASA UFGS-26 05 70.00 40-2008 HIGH VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- NASA UFGS-26 05 71.00 40-2011 LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES
- NASA UFGS-26 05 70.00 40-2011 HIGH VOLTAGE OVERCURRENT PROTECTIVE DEVICES
RO-ASRO
- STAS 4133-1975 PROTECTIVE EQUIPMENT WADDED SUIT
- STAS 9932-1985 Protective equipment ROPES (STRINGS) FOR FIREMEN
- STAS SR EN 132-1995 Respiratory protective devices - Definitions
ITU-T - International Telecommunication Union/ITU Telcommunication Sector
- HDBK VOL VIII PD-1989 Protective Devices (Volume VIII)
American National Standards Institute (ANSI)
- ANSI/SIA A92.8-2012 Vehicle-Mounted Bridge Inspection and Maintenance Devices
- ANSI/SCTE 129-2007 Drop Passives: Bonding Blocks (Without Surge Protection)
Danish Standards Foundation
- DS/EN 61300-3-10:2007 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-10: Examinations and measurements - Gauge retention force
- DS/EN 133:2002 Respiratory protective devices - Classification
PT-IPQ
- NP EN 137-1989 Respiratory protective devices Self-contained open-circuit compressed air breathing apparatus. Requirements, testing, marking
SE-SIS
- SIS SS 428 08 60-1985 Etectrical overflow protective devices — Design, testing and installation
European Committee for Standardization (CEN)
- EN 133:1990 Respiratory protective devices; classification
- EN 133:2001 Respiratory Protective Devices - Classification
- EN 133:1986 Respiratory Protective Devices: Classification
- EN ISO 18527-2:2021 Eye and face protection for sports use - Part 2: Requirements for eye protectors for squash and eye protectors for racquetball and squash 57 (ISO 18527-2:2021)
Japanese Industrial Standards Committee (JISC)
- JIS D 6021:1999 Fork lift trucks -- Overhead guards
- JIS D 6021:2011 Fork lift trucks -- Overhead guards
Lithuanian Standards Office
- LST EN 133-2002 Respiratory protective devices - Classification
AENOR
- UNE-EN 133:2002 Respiratory protective devices - Classification.
- UNE 20460-4-45:1990 ELECTRICAL INSTALLATIONS OF BUILDINGS. PROTECTION FOR SAFETY. PROTECTION AGAINST UNDERVOLTAGE
NL-NEN
- NEN-EN 207-1994 Personal eye-protection. Filters and eye-protection against laser radiation
- NEN-EN 364-1993 Personal protective equipment against falls from a height. Test methods
GB-REG
- REG UFGS-26 05 71.00 40-2011 LOW VOLTAGE OVERCURRENT PROTECTIVE DEVICES
ZA-SANS
- VC 8035-1987 Earth leakage protection units
- SANS 50364:1992 Personal protective equipment against falls from a height - Test methods
International Telecommunication Union (ITU)
- ITU-T G SUPP 51-2017 Passive optical network protection considerations
- ITU-R SM.1542-2001 Protection of passive* services from unwanted emissions
- ITU-R SM.1542 FRENCH-2001 The protection of passive services from unwanted emissions
- ITU-R SM.1542 SPANISH-2001 The protection of passive services from unwanted emissions
ES-UNE
- UNE-EN IEC 61300-3-55:2020 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55:Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components (E...
Underwriters Laboratories (UL)
- UL 61496-2 (ND)-2002 National Differences For UL 61496-2 Standard for Electro-Sensitive Protective Equipment@ Part 2: Particular Requirements for Equipment Using Active Opto-Electronic Protective Devices (AOPDs) (First Edition; Reprint with revisions through and including Sep
VDE - VDE Verlag GmbH@ Berlin@ Germany
- FNN EISLASTMESSUNG-2017 Auswertung von Eislastmessungen an Vogelschutzarmaturen
- FNN SCHUTZEINRICHTUNGEN@ DIGITALE-2015 Anforderungen an digitale Schutzeinrichtungen
BSI
- BS PD IEC/TR 61643-03:2024 Low-voltage surge protective devices-SPD testing guide
CH-SNV
- SN EN 352-3-2021 Hearing protectors - General requirements - Part 3: Earmuffs attached to head protection and/or face protection devices
AT-ON
- OENORM EN 352-3-2021 Hearing protectors - General requirements - Part 3: Earmuffs attached to head protection and/or face protection devices
Ventilation of buildings - chilled beams - tests and examinations of passively chilled beams,Active detection and passive detection