Section 426-01: General terms |  |
| 426-01-01 | | equipment, <explosive atmospheres> |  |
| 426-01-02 | | Type of Protection, <explosive atmospheres> |  |
| 426-01-03 | | equipment grouping |  |
| 426-01-04 | | maximum surface temperature |  |
| 426-01-05 | | temperature class |  |
| 426-01-06 | | explosive atmosphere |  |
| 426-01-07 | | explosive gas atmosphere |  |
| 426-01-08 | | explosive dust atmosphere |  |
| 426-01-09 | | fixed equipment, <explosive atmospheres> |  |
| 426-01-10 | | personal equipment |  |
| 426-01-11 | | portable equipment |  |
| 426-01-12 | | transportable equipment |  |
| 426-01-13 | | Ex Component |  |
| 426-01-14 | | Ex Equipment |  |
| 426-01-15 | | EPL |  |
| 426-01-16 | | EPL Ma |  |
| 426-01-17 | | EPL Mb |  |
| 426-01-18 | | EPL Ga |  |
| 426-01-19 | | EPL Gb |  |
| 426-01-20 | | EPL Gc |  |
| 426-01-21 | | EPL Da |  |
| 426-01-22 | | EPL Db |  |
| 426-01-23 | | EPL Dc |  |
| 426-01-24 | | Level of Protection |  |
Section 426-02: Physical and chemical phenomena |  |
| 426-02-01 | | auto-ignition temperature |  |
| 426-02-05 | | explosive test mixture |  |
| 426-02-09 | | lower flammable limit |  |
| 426-02-10 | | upper flammable limit |  |
| 426-02-11 | | maximum experimental safe gap |  |
| 426-02-12 | | minimum igniting current |  |
| 426-02-14 | | flash point, <explosive atmospheres> |  |
| 426-02-15 | | pressure piling |  |
| 426-02-17 | | dust, <explosive atmospheres> |  |
| 426-02-18 | | combustible dust |  |
| 426-02-19 | | conductive dust |  |
| 426-02-20 | | minimum ignition temperature of a dust layer |  |
| 426-02-21 | | minimum ignition temperature of a dust cloud |  |
| 426-02-22 | | hybrid mixture |  |
| 426-02-23 | | pyrophoric substance |  |
| 426-02-24 | | firedamp |  |
| 426-02-25 | | combustible flyings, pl |  |
| 426-02-26 | | gas |  |
| 426-02-27 | | auto-ignition |  |
| 426-02-28 | | ignition delay time, <flammable material> |  |
| 426-02-29 | | mist, <flammable material> |  |
| 426-02-30 | | non-conductive dust |  |
| 426-02-31 | | vapour |  |
| 426-02-32 | | relative density, <of a gas or a vapour> |  |
| 426-02-33 | | flammable liquid |  |
| 426-02-34 | | flammable gas |  |
| 426-02-35 | | flammable vapour |  |
| 426-02-36 | | boiling point |  |
| 426-02-37 | | vapour pressure |  |
| 426-02-38 | | minimum ignition energy |  |
| 426-02-39 | | flammable limits, pl |  |
Section 426-03: Areas and zones |  |
| 426-03-01 | | hazardous area |  |
| 426-03-02 | | non-hazardous area |  |
| 426-03-03 | | Zone 0 |  |
| 426-03-04 | | Zone 1 |  |
| 426-03-05 | | Zone 2 |  |
| 426-03-06 | | source of release |  |
| 426-03-10 | | continuous grade of release |  |
| 426-03-11 | | primary grade of release |  |
| 426-03-12 | | secondary grade of release |  |
| 426-03-13 | | release rate |  |
| 426-03-14 | | ventilation |  |
| 426-03-16 | | flammable material |  |
| 426-03-21 | | extent of zone |  |
| 426-03-22 | | liquefied flammable gas |  |
| 426-03-23 | | Zone 20 |  |
| 426-03-24 | | Zone 21 |  |
| 426-03-25 | | Zone 22 |  |
| 426-03-26 | | dust containment |  |
| 426-03-27 | | source of dust release |  |
| 426-03-28 | | area, <classification of explosive atmospheres> |  |
| 426-03-29 | | abnormal operation |  |
| 426-03-30 | | zone, <classification of explosive atmospheres> |  |
Section 426-04: Construction of electrical apparatus (general) |  |
| 426-04-01 | | enclosure, <equipment for explosive atmospheres> |  |
| 426-04-02 | | degree of protection of enclosure |  |
| 426-04-03 | | breathing device |  |
| 426-04-04 | | drain |  |
| 426-04-05 | | special fastener, <explosive atmospheres> |  |
| 426-04-09 | | ambient temperature, <explosive atmospheres> |  |
| 426-04-10 | | normal operation, <explosive atmospheres> |  |
| 426-04-11 | | duty cycle, <of load> |  |
| 426-04-12 | | clearance |  |
| 426-04-13 | | distance through casting compound |  |
| 426-04-14 | | distance through solid insulation |  |
| 426-04-15 | | creepage distance, <explosive atmospheres> |  |
| 426-04-16 | | distance under coating |  |
| 426-04-17 | | bushing, <explosive atmospheres> |  |
| 426-04-18 | | Cable Gland |  |
| 426-04-19 | | clamping device, <Cable Gland> |  |
| 426-04-20 | | compression element, <Cable Gland> |  |
| 426-04-21 | | sealing ring, <Cable Gland> |  |
| 426-04-22 | | Ex Equipment Cable Gland |  |
| 426-04-23 | | certificate |  |
| 426-04-24 | | conduit entry |  |
| 426-04-25 | | connection facilities, pl |  |
| 426-04-26 | | continuous operating temperature |  |
| 426-04-28 | | rated value, <explosive atmospheres> |  |
| 426-04-29 | | rating |  |
| 426-04-30 | | service temperature |  |
| 426-04-31 | | U, <explosive atmospheres> |  |
| 426-04-32 | | X, <explosive atmospheres> |  |
| 426-04-33 | | termination compartment |  |
| 426-04-34 | | dust-tight enclosure |  |
| 426-04-35 | | dust-protected enclosure |  |
| 426-04-38 | | countable fault |  |
| 426-04-39 | | non-countable fault |  |
| 426-04-40 | | infallible separation |  |
| 426-04-41 | | compound, <for encapsulation> |  |
| 426-04-42 | | safety device |  |
| 426-04-43 | | schedule drawing |  |
| 426-04-44 | | related drawing |  |
| 426-04-45 | | separation element |  |
| 426-04-46 | | protective device |  |
| 426-04-47 | | casting, <of a non-metallic compound> |  |
| 426-04-48 | | overvoltage category |  |
| 426-04-49 | | pollution degree |  |
| 426-04-50 | | rated insulation voltage |  |
| 426-04-51 | | recurring peak voltage |  |
| 426-04-52 | | galvanic isolation |  |
| 426-04-53 | | cable transit device, <Cable Gland> |  |
| 426-04-54 | | Ex Equipment Blanking Element |  |
| 426-04-55 | | Ex Equipment thread adapter |  |
| 426-04-56 | | malfunction, <explosive atmospheres> |  |
| 426-04-57 | | expected malfunction |  |
| 426-04-58 | | rare malfunction |  |
| 426-04-59 | | radio frequency, <explosive atmospheres> |  |
| 426-04-60 | | continuous transmission, <explosive atmospheres> |  |
| 426-04-61 | | pulsed transmission |  |
| 426-04-62 | | thermal initiation time |  |
| 426-04-63 | | threshold energy |  |
| 426-04-64 | | threshold power |  |
| 426-04-65 | | antenna gain, <explosive atmospheres> |  |
| 426-04-66 | | solid insulation, <explosive atmospheres> |  |
| 426-04-67 | | working voltage |  |
| 426-04-68 | | Ex Component Certificate |  |
| 426-04-69 | | Ex Equipment Certificate |  |
| 426-04-70 | | coating |  |
| 426-04-71 | | conformal coating |  |
| 426-04-72 | | factory connections, pl |  |
| 426-04-73 | | field-wiring connections, pl |  |
| 426-04-74 | | elastomer |  |
| 426-04-75 | | limiting temperature |  |
| 426-04-76 | | encapsulation, <explosive atmospheres> |  |
Section 426-06: Flameproof enclosure "D" |  |
| 426-06-01 | | flameproof enclosure "d" |  |
| 426-06-02 | | flameproof joint |  |
| 426-06-03 | | gap, <of a flameproof joint> |  |
| 426-06-05 | | width of flameproof joint |  |
| 426-06-07 | | distance, <flameproof joint> |  |
| 426-06-08 | | enclosure volume, <flameproof enclosure "d"> |  |
| 426-06-09 | | shaft, <explosive atmospheres> |  |
| 426-06-10 | | operating rod |  |
| 426-06-11 | | quick-acting door |  |
| 426-06-12 | | door fixed by threaded fasteners |  |
| 426-06-13 | | threaded door |  |
Section 426-07: Powder filling "q" |  |
| 426-07-01 | | powder filling "q" |  |
| 426-07-02 | | filling material, <powder filling> |  |
| 426-07-03 | | distance through filling material, <powder filling> |  |
Section 426-08: Increased safety "e" |  |
| 426-08-01 | | increased safety "e" |  |
| 426-08-03 | | time tE |  |
| 426-08-04 | | initial starting current |  |
| 426-08-05 | | normal service, <machines> |  |
| 426-08-06 | | rated dynamic current |  |
| 426-08-07 | | rated short-time thermal current |  |
| 426-08-08 | | resistance-heating device |  |
| 426-08-09 | | resistance-heating unit |  |
| 426-08-10 | | workpiece, <resistance-heating> |  |
| 426-08-11 | | temperature self-limiting characteristic |  |
| 426-08-12 | | stabilized design |  |
| 426-08-13 | | starting current ratio |  |
| 426-08-14 | | trace heater |  |
| 426-08-15 | | ferrule, <explosive atmospheres> |  |
| 426-08-16 | | light emitting diode |  |
| 426-08-17 | | LED module |  |
| 426-08-18 | | LED package |  |
| 426-08-19 | | resistance heating |  |
| 426-08-20 | | short-circuit current, <explosive atmospheres> |  |
| 426-08-21 | | stator winding |  |
| 426-08-22 | | terminal |  |
Section 426-09: Pressurization "p" |  |
| 426-09-01 | | pressurization "p" |  |
| 426-09-02 | | pressurized enclosure |  |
| 426-09-03 | | purging |  |
| 426-09-04 | | protective gas |  |
| 426-09-05 | | alarm, <pressurized enclosure "p"> |  |
| 426-09-06 | | containment system |  |
| 426-09-07 | | dilution |  |
| 426-09-08 | | dilution area |  |
| 426-09-09 | | enclosure volume, <pressurized enclosure "p"> |  |
| 426-09-10 | | flammable substance |  |
| 426-09-11 | | hermetically sealed device |  |
| 426-09-12 | | ignition-capable equipment |  |
| 426-09-13 | | indicator, <pressurization "p"> |  |
| 426-09-14 | | internal source of release |  |
| 426-09-15 | | leakage compensation |  |
| 426-09-16 | | overpressure |  |
| 426-09-17 | | pressurization system |  |
| 426-09-18 | | protective gas supply |  |
| 426-09-19 | | static pressurization |  |
| 426-09-20 | | Level of Protection "pxb" |  |
| 426-09-21 | | Level of Protection "pyb" |  |
| 426-09-22 | | Level of Protection "pzc" |  |
| 426-09-23 | | Type of Protection "pD" |  |
Section 426-10: Oil immersion "o" |  |
| 426-10-01 | | oil immersion "o" |  |
| 426-10-02 | | protective liquid |  |
| 426-10-03 | | sealed equipment |  |
| 426-10-04 | | non-sealed equipment |  |
| 426-10-05 | | maximum permissible protective liquid level |  |
| 426-10-06 | | minimum permissible protective liquid level |  |
Section 426-11: Intrinsically safe and associated intrinsically safe electrical apparatus "i" |  |
| 426-11-01 | | intrinsically safe circuit |  |
| 426-11-02 | | intrinsically safe apparatus |  |
| 426-11-03 | | associated apparatus |  |
| 426-11-09 | | simple apparatus |  |
| 426-11-10 | | diode safety barrier |  |
| 426-11-11 | | spark test apparatus, <intrinsically safe circuits> |  |
| 426-11-12 | | fault, <intrinsic safety "i"> |  |
| 426-11-15 | | maximum external capacitance |  |
| 426-11-16 | | maximum external inductance |  |
| 426-11-17 | | maximum input current |  |
| 426-11-18 | | maximum input power |  |
| 426-11-19 | | maximum input voltage |  |
| 426-11-20 | | maximum internal capacitance |  |
| 426-11-21 | | maximum internal inductance |  |
| 426-11-22 | | maximum output current |  |
| 426-11-23 | | maximum output power |  |
| 426-11-24 | | maximum output voltage |  |
| 426-11-25 | | maximum RMS AC or DC voltage |  |
| 426-11-26 | | maximum external inductance to resistance ratio |  |
| 426-11-27 | | maximum internal inductance to resistance ratio |  |
| 426-11-28 | | infallible component |  |
| 426-11-32 | | internal wiring |  |
| 426-11-33 | | intrinsically safe electrical system with certificate |  |
| 426-11-34 | | intrinsically safe electrical system without certificate |  |
| 426-11-35 | | descriptive system document |  |
| 426-11-36 | | system designer |  |
| 426-11-37 | | maximum cable capacitance |  |
| 426-11-38 | | maximum cable inductance |  |
| 426-11-39 | | maximum cable inductance to resistance ratio |  |
| 426-11-40 | | linear power supply |  |
| 426-11-41 | | non-linear power supply |  |
| 426-11-42 | | intrinsic safety "i" |  |
| 426-11-43 | | intrinsic safety "iD" |  |
| 426-11-44 | | protective extra-low voltage system |  |
| 426-11-45 | | safety extra-low voltage system |  |
| 426-11-46 | | control drawing |  |
| 426-11-47 | | entity concept |  |
| 426-11-48 | | fuse rating |  |
| 426-11-49 | | moulding, <explosive atmospheres> |  |
| 426-11-50 | | shunt safety assembly |  |
| 426-11-51 | | live maintenance |  |
| 426-11-52 | | infallible connections, pl |  |
| 426-11-53 | | FISCO |  |
Section 426-12: Encapsulation "m" |  |
| 426-12-01 | | encapsulation "m" |  |
| 426-12-03 | | temperature range of the compound |  |
| 426-12-06 | | free surface |  |
| 426-12-09 | | switching contact |  |
| 426-12-10 | | adhesion |  |
| 426-12-11 | | encapsulation "mD" |  |
Section 426-13: Type of protection "n" |  |
| 426-13-01 | | Type of Protection "n" |  |
| 426-13-02 | | non-sparking device "nA" |  |
| 426-13-03 | | encapsulated device "nC" |  |
| 426-13-04 | | enclosed-break device "nC" |  |
| 426-13-05 | | hermetically sealed device "nC" |  |
| 426-13-06 | | non-incendive component "nC" |  |
| 426-13-07 | | sealed device "nC" |  |
| 426-13-08 | | energy-limited apparatus "nL" |  |
| 426-13-09 | | associated energy-limited apparatus "[nL]" or "[Ex nL]" |  |
| 426-13-10 | | self protected energy-limited apparatus "nA nL" |  |
| 426-13-11 | | restricted-breathing enclosure "nR" |  |
| 426-13-15 | | test port |  |
| 426-13-16 | | normally sparking device |  |
Section 426-14: Inspection and maintenance |  |
| 426-14-01 | | maintenance, <for explosive atmospheres> |  |
| 426-14-02 | | inspection, <for explosive atmospheres> |  |
| 426-14-03 | | visual inspection |  |
| 426-14-04 | | close inspection |  |
| 426-14-05 | | detailed inspection |  |
| 426-14-06 | | initial inspection |  |
| 426-14-07 | | periodic inspection |  |
| 426-14-08 | | sample inspection |  |
| 426-14-09 | | continuous supervision |  |
| 426-14-10 | | skilled personnel |  |
| 426-14-11 | | technical person with executive function |  |
Section 426-15: Repair and overhaul |  |
| 426-15-01 | | serviceable condition |  |
| 426-15-02 | | repair, <explosive atmospheres> |  |
| 426-15-04 | | component part |  |
| 426-15-05 | | reclamation |  |
| 426-15-06 | | modification, <explosive atmospheres> |  |
| 426-15-07 | | manufacturer, <explosive atmospheres – repair and overhaul> |  |
| 426-15-08 | | user, <explosive atmospheres> |  |
| 426-15-09 | | repair facility |  |
| 426-15-10 | | certification |  |
| 426-15-12 | | copy winding |  |
| 426-15-13 | | alteration |  |
| 426-15-14 | | competence |  |
| 426-15-15 | | Ex competent person |  |
| 426-15-16 | | examination, <of a person> |  |
| 426-15-17 | | overhaul |  |
| 426-15-18 | | qualification, <of a person> |  |
Section 426-16: Protection by enclosure (dust) "tD" |  |
| 426-16-01 | | dust ignition protection "tD" |  |
| 426-16-02 | | dust ignition protection by enclosure "t" |  |
Section 426-20: Trace heating |  |
| 426-20-01 | | ambient temperature, <trace heating> |  |
| 426-20-02 | | branch circuit, <trace heating> |  |
| 426-20-03 | | cold lead, <trace heating> |  |
| 426-20-04 | | end termination, <trace heating> |  |
| 426-20-05 | | power termination, <trace heating> |  |
| 426-20-06 | | tee, <trace heating> |  |
| 426-20-07 | | dead leg, <trace heating> |  |
| 426-20-08 | | design loading, <trace heating> |  |
| 426-20-09 | | factory-fabricated trace heater |  |
| 426-20-10 | | field-assembled trace heater |  |
| 426-20-11 | | heat loss, <trace heating> |  |
| 426-20-12 | | heat sink, <trace heating> |  |
| 426-20-13 | | heat-transfer aids, <trace heating> pl |  |
| 426-20-14 | | heating pad, <trace heating> |  |
| 426-20-15 | | heating panel, <trace heating> |  |
| 426-20-16 | | high-limit temperature, <trace heating> |  |
| 426-20-17 | | maximum ambient temperature |  |
| 426-20-19 | | metallic covering, <trace heating> |  |
| 426-20-20 | | minimum ambient temperature, <trace heating> |  |
| 426-20-21 | | operating voltage, <trace heating> |  |
| 426-20-22 | | overjacket, <trace heating> |  |
| 426-20-23 | | power density, <trace heating> |  |
| 426-20-24 | | rated output, <trace heating> |  |
| 426-20-26 | | series trace heater, <trace heating> |  |
| 426-20-27 | | sheath, <trace heating> |  |
| 426-20-28 | | sheath temperature, <trace heating> |  |
| 426-20-29 | | stabilized design, <trace heating> |  |
| 426-20-30 | | start-up current, <trace heating> |  |
| 426-20-31 | | system documentation, <trace heating> |  |
| 426-20-33 | | temperature control device, <trace heating> |  |
| 426-20-34 | | temperature controller, <trace heating> |  |
| 426-20-35 | | temperature limiting device, <trace heating> |  |
| 426-20-36 | | thermal insulation, <trace heating> |  |
| 426-20-37 | | trace heater |  |
| 426-20-38 | | trace heater unit |  |
| 426-20-39 | | trace heating |  |
| 426-20-40 | | weather barrier, <trace heating> |  |
| 426-20-41 | | workpiece, <trace heating> |  |
| 426-20-42 | | controlled design |  |
| 426-20-43 | | electrically conductive covering |  |
| 426-20-44 | | temperature sensor |  |
| 426-20-45 | | integral components, pl |  |
| 426-20-46 | | maximum continuous exposure temperature, <trace heating> |  |
| 426-20-47 | | maximum maintain temperature, <trace heating> |  |
| 426-20-48 | | maximum intermittent exposure temperature, <trace heating> |  |
| 426-20-49 | | maintain temperature, <trace heating> |  |
| 426-20-50 | | maximum sheath temperature, <trace heating> |  |
| 426-20-51 | | maximum withstand temperature, <trace heating> |  |
| 426-20-52 | | minimum installation temperature, <trace heating> |  |
| 426-20-53 | | MI trace heater, <trace heating> |  |
| 426-20-54 | | outdoor exposure, <trace heating> |  |
| 426-20-55 | | parallel trace heater, <trace heating> |  |
| 426-20-56 | | rated voltage, <trace heating> |  |
| 426-20-57 | | trace heating system, <trace heating> |  |
| 426-20-58 | | trace ratio, <trace heating> |  |
Section 426-21: Installations in explosive atmospheres |  |
| 426-21-01 | | radio-frequency identification |  |
| 426-21-02 | | verification dossier |  |
| 426-21-03 | | competent body |  |
Section 426-22: Caplights |  |
| 426-22-01 | | caplight |  |
| 426-22-02 | | light source, <caplight> |  |
| 426-22-03 | | filament lamp, <caplight> |  |
| 426-22-04 | | useful working period |  |
Section 426-23: Optical radiation in explosive atmospheres |  |
| 426-23-01 | | absorption, <for explosive atmospheres> |  |
| 426-23-02 | | beam diameter |  |
| 426-23-03 | | beam strength |  |
| 426-23-04 | | core, <of an optical fibre> |  |
| 426-23-05 | | cladding |  |
| 426-23-06 | | fibre bundle |  |
| 426-23-07 | | fibre optic terminal device |  |
| 426-23-08 | | inherently safe optical radiation "op is" |  |
| 426-23-09 | | irradiance |  |
| 426-23-10 | | light |  |
| 426-23-11 | | optical fibre |  |
| 426-23-12 | | optical cable |  |
| 426-23-13 | | radiant power |  |
| 426-23-14 | | optical radiation |  |
| 426-23-15 | | protected optical fibre cable |  |
| 426-23-16 | | radiant exposure |  |
| 426-23-17 | | protected optical radiation "op pr" |  |
| 426-23-18 | | optical system with interlock "op sh" |  |
Section 426-24: Combustible gas detection |  |
| 426-24-01 | | alarm set point |  |
| 426-24-02 | | alarm signal |  |
| 426-24-03 | | alarm-only equipment |  |
| 426-24-04 | | albedo |  |
| 426-24-05 | | ambient air, <gas detection> |  |
| 426-24-06 | | aspirated equipment |  |
| 426-24-07 | | beam blocked signal |  |
| 426-24-08 | | catalytic sensor |  |
| 426-24-09 | | clean air, <gas detection> |  |
| 426-24-10 | | concentration, <gas detection> |  |
| 426-24-11 | | continuous duty equipment, <gas detection> |  |
| 426-24-12 | | continuous sensing, <gas detection> |  |
| 426-24-13 | | diffusion equipment |  |
| 426-24-14 | | dose, <gas detection> |  |
| 426-24-15 | | drift, <gas detection> |  |
| 426-24-16 | | electrochemical sensor |  |
| 426-24-17 | | flammable range |  |
| 426-24-18 | | fault signal |  |
| 426-24-19 | | final indication, <gas detection> |  |
| 426-24-20 | | flame ionization detector |  |
| 426-24-21 | | flame temperature analyzer |  |
| 426-24-22 | | functional check, <gas detection> |  |
| 426-24-23 | | gas calibration cell, <gas detection> |  |
| 426-24-24 | | indicating device, <gas detection> |  |
| 426-24-25 | | infrared absorption sensor, <gas detection> |  |
| 426-24-26 | | inhibition signal, <gas detection> |  |
| 426-24-27 | | initial calibration, <gas detection> |  |
| 426-24-28 | | integral concentration, <gas detection> |  |
| 426-24-29 | | integral sensor, <gas detection> |  |
| 426-24-30 | | intermittent sensing, <gas detection> |  |
| 426-24-31 | | latching alarm, <gas detection> |  |
| 426-24-32 | | measuring point, <gas detection> |  |
| 426-24-33 | | meteorological optical range, <gas detection> |  |
| 426-24-34 | | open path, <gas detection> |  |
| 426-24-35 | | optical axis, <gas detection> |  |
| 426-24-36 | | optical path, <gas detection> |  |
| 426-24-37 | | paramagnetic oxygen detector, <gas detection> |  |
| 426-24-38 | | peripheral equipment, <gas detection> |  |
| 426-24-39 | | photo ionisation detector, <gas detection> |  |
| 426-24-40 | | point detection equipment, <gas detection> |  |
| 426-24-41 | | poisons, <gas detection> pl |  |
| 426-24-42 | | portable equipment, <gas detection> |  |
| 426-24-43 | | personal equipment, <gas detection> |  |
| 426-24-44 | | recalibration, <gas detection> |  |
| 426-24-45 | | receiver, <gas detection> |  |
| 426-24-46 | | recovery time, <gas detection> |  |
| 426-24-47 | | release rate |  |
| 426-24-48 | | remote sensor, <gas detection> |  |
| 426-24-49 | | retroreflector, <gas detection> |  |
| 426-24-50 | | sample system, <gas detection> |  |
| 426-24-51 | | sample line, <gas detection> |  |
| 426-24-52 | | sampling point, <gas detection> |  |
| 426-24-53 | | sampling probe, <gas detection> |  |
| 426-24-54 | | selectivity, <gas detection> |  |
| 426-24-55 | | semiconductor sensor, <gas detectors> |  |
| 426-24-56 | | sensing element, <gas detectors> |  |
| 426-24-57 | | sensitivity, <gas detectors> |  |
| 426-24-58 | | sensor, <gas detectors> |  |
| 426-24-59 | | single-point sensor, <gas detection> |  |
| 426-24-60 | | field calibration kit |  |
| 426-24-61 | | special state, <gas detection> |  |
| 426-24-62 | | spot-reading equipment, <gas detection> |  |
| 426-24-63 | | stabilization, <gas detection> |  |
| 426-24-64 | | separate gas detection control unit |  |
| 426-24-65 | | stand-alone gas-detection equipment |  |
| 426-24-66 | | thermal conductivity sensor, <gas detection> |  |
| 426-24-67 | | time of response, <gas detection> |  |
| 426-24-68 | | toxic gas |  |
| 426-24-69 | | transceiver, <gas detection> |  |
| 426-24-70 | | transmitter, <gas detection> |  |
| 426-24-71 | | volume fraction |  |
| 426-24-72 | | warm-up time, <gas detection> |  |
| 426-24-73 | | zero gas, <gas detection> |  |
| 426-24-74 | | automatically aspirated equipment, <gas detection> |  |
| 426-24-75 | | mask for calibration and test |  |
| 426-24-76 | | equipment with integral sensor(s), <gas detection> |  |
Section 426-25: Electrostatics |  |
| 426-25-01 | | conductive, <electrostatically> adj |  |
| 426-25-02 | | dissipative, <electrostatically> adj |  |
| 426-25-03 | | insulating, adj |  |
| 426-25-04 | | isolated conductor |  |
| 426-25-05 | | leakage resistance |  |
| 426-25-06 | | surface resistance, <for explosive atmospheres> |  |
| 426-25-07 | | surface resistivity, <for explosive atmospheres> |  |
| 426-25-08 | | volume resistivity, <for explosive atmospheres> |  |
| 426-25-09 | | conductivity, <for explosive atmospheres> |  |
| 426-25-10 | | relaxation time |  |
| 426-25-11 | | electrostatic shock |  |
| 426-25-12 | | multiphase liquid |  |
| 426-25-13 | | contaminated liquid, <electrostatics> |  |
| 426-25-14 | | conductor, <electrostatics> |  |
| 426-25-15 | | conductive footware |  |
| 426-25-16 | | dissipative footware |  |
| 426-25-17 | | dissipative clothing |  |
Section 426-26: Special protection "s" |  |
| 426-26-01 | | special protection "s" |  |
| 426-26-02 | | independent verifier |  |
Section 426-27: Explosive atmospheres – Application of quality systems |  |
| 426-27-01 | | manufacturer, <explosive atmospheres> |  |
| 426-27-02 | | contract |  |
| 426-27-03 | | customer complaint |  |
| 426-27-04 | | product, <Ex Equipment> |  |
| 426-27-05 | | protective system |  |
| 426-27-06 | | technical documentation |  |
| 426-27-07 | | manufacturer's documentation |  |
| 426-27-08 | | body responsible for verification |  |
Section 426-28: Non-electrical equipment (General) |  |
| 426-28-01 | | effective ignition source |  |
| 426-28-02 | | equipment-related ignition source |  |
| 426-28-03 | | malfunction, <non-electrical equipment> |  |
| 426-28-04 | | maximum possible potential energy |  |
| 426-28-05 | | maximum surface temperature, <non-electrical equipment> |  |
| 426-28-06 | | non-electrical equipment |  |
| 426-28-07 | | normal operation, <non-electrical equipment> |  |
| 426-28-08 | | possible ignition source |  |
| 426-28-09 | | potential ignition source |  |
| 426-28-10 | | automatic control measure |  |
| 426-28-11 | | control of ignition source "b" |  |
| 426-28-12 | | constructional safety "c" |  |
| 426-28-13 | | liquid immersion "k" |  |
| 426-28-14 | | equipment with a sealed enclosure, <non-electrical equipment> |  |
| 426-28-15 | | equipment with a vented enclosure, <non-electrical equipment> |  |
| 426-28-16 | | Ignition-prevention device |  |
| 426-28-17 | | manual control measure |  |
| 426-28-18 | | open equipment |  |
Section 426-29: Non-electrical equipment – Mining |  |
| 426-29-01 | | protection against firedamp explosions |  |
| 426-29-02 | | machinery |  |
| 426-29-03 | | hydraulic fluids, pl |  |
|  |