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Schmidt SS 20.600 Ex, Supplementary Instructions Manual

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Schmidt SS 20.600 Ex Supplementary Instructions Manual Download Page 10

SS 20.600 Ex 

– Supplementary instructions for use in explosive atmospheres ATEX Page 10

 

 

Figure 6-1 Assembly of the connecting cable with protective sleeve 

(1) 

(3) 

(2) 

(4) 

Cable 
bushing 

Protective 
sleeve 

Sensor plug 

Fastening 
screw of pro-
tective sleeve 

Nut of cable 
bushing 

Summary of Contents for SS 20.600 Ex

Page 1: ...SCHMIDT Flow Sensor SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX ...

Page 2: ...on 3 2 Storage and transport 4 3 Safety instructions for explosive atmospheres 5 4 Application range 6 5 Mounting instructions 7 6 Electrical connection and protective sleeve assembly 9 7 Type plate 11 8 Declaration of conformity 12 9 Type Examination Certificate 13 Imprint Copyright 2016 SCHMIDT Technology All rights reserved Version 535698 02A Subject to modifications ...

Page 3: ...ignated use and the operations described in these in structions for use will forfeit any warranty and exclude any liability The unit is designed exclusively for the use described below refer to chapter 4 In particular it is not designed for direct or indirect pro tection of personal or machinery SCHMIDT Technology cannot give any warranty as to its suitability for a certain purpose and cannot be h...

Page 4: ...ckaging parts by submitting it to a recycling company Conditions for storage and transport The following points must be observed to avoid damage Do not expose the device to excessive mechanical load such as throwing stacking falling etc Do not use the device in areas with high humidity or rain Do not expose the device to direct sun radiation for a long time Before transport or shipment of the sens...

Page 5: ...e ensured by appropriate label ing o G Gas o Device categories 1 2 3 in 3 zones o Gas values Temperature class T1 T6 Prior to carrying out operations such as assembly or electri cal connection make sure that o the operation approval of the owner is available o there is no explosive atmosphere o the device is disconnected from the mains o the device cannot be switched on inadvertently Avoid dust de...

Page 6: ...y measurement of the flow velocity as well as the air and gas temperature in potentially explosive atmospheres with the following types of protection for o Gases Zone 2 II 3G Ex nA ic IIC T4 Gc The permissible operating temperatures are o Electronics 20 70 C o Sensor 40 120 C depending on the version More technical data are given in the general Instructions for use SS 20 600 material no 535084 02 ...

Page 7: ...ure safety measures Opening the housing It is not allowed to open the housing sealed housing screws Unauthorized opening of the housing renders the explosion protection null and void Remote version The connecting cable between the sensor and the housing includes intrinsically safe circuits It is already connected ex works and must not be disconnected or modified in any way Mounting the ground or e...

Page 8: ...rrent must flow between the hazardous area and non hazardous area Minimum cable cross section 1 x 4 mm 2 The screw must be tightened firmly at the terminal so that the conductor cannot be loosened or twisted Figure 5 1 Grounding contacts red remote version Figure 5 2 Grounding contacts red compact sensor ...

Page 9: ...no operating voltage is active during electrical installation and that the operating voltage cannot be switched on inadvertently This applies in particular to disassembly of the sensor WARNING DO NOT DISCONNECT THE CONNECTING CABLE FROM THE SENSOR UNDER VOLTAGE WARNING DO NOT OPEN PROTECTIVE SLEEVE UNDER VOLTAGE It is recommended to connect first the connecting cable on the field side first connec...

Page 10: ...ructions for use in explosive atmospheres ATEX Page 10 Figure 6 1 Assembly of the connecting cable with protective sleeve 1 3 2 4 Cable bushing Protective sleeve Sensor plug Fastening screw of pro tective sleeve Nut of cable bushing ...

Page 11: ...exagon sockets 2 5 mm do not forget the snap rings on the housing 4 Tighten the nut of the cable bushing 7 Nm 7 Type plate The type plate for labeling according to the standards is fixed at the sen sor by means of a wire loop If required the customer can attach this plate at another place as long as its subject the sensor can be identified clearly and it is legible and un detachable Examples are M...

Page 12: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 12 8 Declaration of conformity ...

Page 13: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 13 9 Type Examination Certificate ...

Page 14: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 14 ...

Page 15: ...SS 20 600 Ex Supplementary instructions for use in explosive atmospheres ATEX Page 15 ...

Page 16: ...structions for use in explosive atmospheres ATEX Page 16 SCHMIDT Technology GmbH Feldbergstrasse 1 78112 St Georgen Germany Phone 49 0 7724 899 0 Fax 49 0 7724 899 101 Email sensors schmidttechnology de URL www schmidt sensors com ...

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