Appendix
Declaration of Conformity
Beck GmbH Druckkontrolltechnik Ferdinand-Steinbeis-Straße 4 71144 Steinenbronn
Operating instructions – Pressure Switch – Model - 901...EX
Rev.10
Page 16 of 18
9.3 Declaration of Conformity
Page 1: ...k Ferdinand Steinbeis Stra e 4 71144 Steinenbronn Operating instructions Pressure Switch Model 901 EX Rev 10 Page 1 of 18 Ident 0607017 BA 901 R10 2017_englisch_Druckversion doc Operating Instructions...
Page 2: ...Dr Ernst Thielicke Operating instructions Pressure Switch Model 901 EX Rev 10 Page 2 of 18 1 General instructions 3 1 1 Safety instructions 3 1 1 1 General safety instructions 3 1 1 2 Safety instruct...
Page 3: ...ings of the symbols that are used are as follows Useful important additional information Dangers and safety instructions Important please read Failure to comply with these instructions can have a detr...
Page 4: ...d out Dust deposits must be avoided installation location protection cleaning etc in order to prevent dangerous surface temperature increases For the installation procedure it is necessary to take car...
Page 5: ...ve gasses and dust natural gas bio gas solvents etc Liquid Flammable liquids petrol solvent etc Use in zones in potentially explosive areas Pressure switches are used to monitor the pressure differenc...
Page 6: ...with the specified zones With intrinsically safe systems i the associated operating materials barrier must al ways be installed outside the potentially explosive area The labelling of the product must...
Page 7: ...ory corresponds with the specified zones No potentially explosive atmosphere is present A release for work must have been issued by the operator Adherence to the applicable regulations and documentati...
Page 8: ...being connected are not live otherwise there is a risk of igniting a potentially explosive atmosphere Attach the shield Attach shield at one end in non potentially explosive area Attach braiding of sh...
Page 9: ...ions and servicing are carried out These include the following For cleaning the devices it is necessary to take care that no electrostatic charging will be done no high volume flow cleaning only with...
Page 10: ...cturer The following must be observed in potentially explosive areas No potentially explosive atmosphere is present A release for work must have been issued by the operator The applicable regulations...
Page 11: ...r 100 mA 24 VDC for Dust 2D 30V 60mA 0 6W Electrical connection Arrangement of contacts for 901 1 901 30 901 41 901 51 EX only for 901 2 EX for 901 6 901 8 901 9 EX only for 901 7 EX Certifications CE...
Page 12: ...e Tolerance band in of trip pressure Maximum positive working pressure standard extended Maximum negative working pressure standard extended 901 1 EX 5 mbar 200 mbar 2 5 mbar 50 mbar 10 0 5 4 bar 1 ba...
Page 13: ...standard extended Maximum negative working pressure standard extended 901 61 EX 5 20 mbar 10 3 mbar 0 5 4 bar 1 bar 901 62 EX 10 50 mbar 10 5 mbar 0 5 4 bar 1 bar 901 63 EX 25 100 mbar 10 10 mbar 0 5...
Page 14: ...d accessories Beck GmbH Druckkontrolltechnik Ferdinand Steinbeis Stra e 4 71144 Steinenbronn Operating instructions Pressure Switch Model 901 EX Rev 10 Page 14 of 18 9 2 Dimensioned drawings and acces...
Page 15: ...Appendix Beck GmbH Druckkontrolltechnik Ferdinand Steinbeis Stra e 4 71144 Steinenbronn Operating instructions Pressure Switch Model 901 EX Rev 10 Page 15 of 18 9 2 2 Pressure switch 901 Prescal...
Page 16: ...Declaration of Conformity Beck GmbH Druckkontrolltechnik Ferdinand Steinbeis Stra e 4 71144 Steinenbronn Operating instructions Pressure Switch Model 901 EX Rev 10 Page 16 of 18 9 3 Declaration of Co...
Page 17: ...rolltechnik Ferdinand Steinbeis Stra e 4 71144 Steinenbronn Operating instructions Pressure Switch Model 901 EX Rev 10 Page 17 of 18 9 4 EC design test certification Note More documentation for EC des...
Page 18: ...ction class Zone 2 22 Gc Dc Zone 2 22 1 21 Gb Db Zone 1 2 21 22 Ex ia IIB Ex ia IIIB 0 20 Ga Da Zone 0 1 2 20 21 22 Ex ia IIC CHARACTERICTICS Intrinsically safe operating materials Associated operatin...
