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ePaper created 2015-06-18, 17:04:08 | version 1.39.0
5379112164810 289www.vogel-germany.de Information Overview / Tolerance Limits 9e 1. Index Degree of protection against foreign objects/particles and dust IP 4.. Protection against penetration of solid foreign objects von ≥ 1 mm. IP 5.. Protection against harmful dust deposits (dust protected). IP 6.. Protection against penetration of dust (dust-proof). CAT I: approved for measurements on circuits that are not directly connected to the power grid. (e.g. specially protected devices) CAT II: approved for measurements on circuits which are electrically connected directly to the low voltage grid. (e.g. household appliances) CAT III: approved for measurements in building installation (e.g. as distribution, wiring, sockets, switches) CAT IV: approved for measurements at the source of low-voltage installations (e.g. as meters, mains terminals, primary overcurrent protection devices) 2. Index Degree of protection against water IP ..0 no protection IP ..2 Protection against dripping water up to 15° tilt housing. IP ..4 Protection against water spray from any direction. IP ..5 Protection against water jets from any direction. IP ..6 Protection against powerful water jets from any direction. IP ..7 Protection against temporary immersion in water. IP ..8 Protected from ingress of water during immersion for indefinite period. Any questions? We are pleased to advise! IP-Protection types overview acc. to EN 60529 (IP • International Protection) Measuring categories CAT I up to CAT IV Tolerance limits acc. to EC-Measuring Directive 2004/22 Thickness tolerances for feeler gauges and feeler gauge rolls Pocket Tapes / Steel Rules Length m 1 2 3 4 5 8 10 Tolerance EC I mm ± 0.3 ± 0.4 ± 0.5 ± 0.6 ± 0.7 ± 1.0 ± 1.2 Tolerance EG II mm ± 0.7 ± 0.9 ± 1.1 ± 1.3 ± 1.5 ± 2.1 ± 2.5 nominal thickness mm 0.000 – 0.024 0.025 – 0.039 0.040 – 0.062 0.063 – 0.124 0.125 – 0.159 0.160 – 0.199 0.200 – 0.249 0.250 – 0.314 0.315 – 0.389 0.400 – 0.499 0.500 – 0.629 0.630 – 0.799 0.800 – 0.999 1.000 – 1.249 Tolerance T2 µm ± 2 ± 3 ± 4 ± 5 ± 6 ± 7 ± 8 ± 9 ± 11 ± 12 ± 14 ± 17 ± 19 ± 24 Tolerance T3 µm ± 1.5 ± 2 ± 3 ± 4 ± 5 ± 5 ± 6 ± 7 ± 8 ± 9 ± 10 ± 12 ± 13 ± 17 Folding Rules Length m 1 2 3 Tolerance EC II mm ± 1.0 ± 1.2 ± 1.4 Tolerance EG III mm ± 1.8 ± 2.2 ± 2.6 CAT II CAT III CAT IV Underground cable Outbuilding Electrical substation Distributor Meter CAT I Length m 12345810 Length m 123