Hawker P7/I.S. Operating And Installation Instructions Download Page 21

 

 

Page 21 of 22 

According to the 

EC Directive 94/9/EC of 23 March 1994 (ATEX 100a) 

 
 
 
Type of equipment: 

 

Conductivity Level Controller

 

Type model: 

 

 

P7/I.S 

Certificate Number: 

 

SIRA03ATEX2160X 

 
Type of equipment: 

 

Conductivity Electrode Holder Cat 1. 

Type model: 

1G/0 HPE5/IS, 1G/0 HPE7/IS, 1G/0 HPE7/P/F/IS, 1G/0 HPE7/P/IS,  
1G/0 HPE7/PA/IS, 1G/0 HPE8/IS, 1G/0 HPE8/P/IS, 1G/0 HPE12/P/IS, 
1G/0 HPE13A/IS, 1G/0 HPE13A/P/IS, 1G/0 HPE14/X/IS, 1G/0 HPE22/IS,  
1G/0 HPE22/P/Fa/IS, 1G/0 HPE22/P/IS, 1G/0 HPE22/PA/IS 

Certificate Number: 

SIRA03ATEX2159X 

 
Type of equipment: 

P7/I.S Conductivity Level System 

Type model: 

P7/I.S Controller used with Approved Electrode Holders 

Certificate Number: 

Ex03E2161 

 
Manufacturer: 

Hawker Electronics Ltd 

Manufacturers Address: 

57 The Avenue, Rubery Industrial Estate, Rubery, Birmingham, B45 9AL. U.K. 

 
Notified Body: 

Sira Certification Service (0518) 

 

Rake Lane 

 

Eccleston 

 

Chester 

 

CH4 9JN 

 

 
Conformity has been demonstrated with reference to the following documentation: 

EC type-examination certificate Sira 03ATEX2160X, dated 27/07/10 
EC type-examination certificate Sira 03ATEX2159X, dated 14/08/03, Issue 05/08/05 
EC type-examination certificate Sira Ex 03E2161 SYST, dated 30/06/03 
 
 

Compliance with the essential Health & Safety Requirements has been assessed by reference to the following standards, 
see individual certificates for specific listings. 
 

EN 50014:1997 +A1 & A2, EN 50020:2002, EN 60079-11:2007, EN 50284:1999, EN 50039:1980  
 
 
Indicate below compliance 
 

The product complies with parts of the European safety standards / other safety standards / 
technical specifications listed above. 
 
Hawker Electronics Ltd has an internal production control system that ensures compliance 
between the manufactured products and the technical documentation. 

 

 
 
 

Signed……

………………………………………….. 

Date………………………. 

Mark Armstrong 
Technical Director 

 

29-07-10 

Summary of Contents for P7/I.S.

Page 1: ...troller type P7 I S Certificate No SIRA03ATEX2160X Electrode Holders Certificate No SIRA03ATEX2159X Conductivity Operated Level Control System Certificate No Ex03E2161 Hawker Electronics Limited O M 7...

Page 2: ...4 2 3 Basic controller testing 10 4 3 Technical specification 12 5 0 Electrode Holders 13 5 1 Cat 1 Electrode holders 13 5 1 1 Type identification 13 5 1 2 Certification markings 14 5 1 3 Conditions o...

Page 3: ...ected the unit either de energises or energises its internal relay dependent on the fail safe setting providing the user with a set of volt free S P C O contacts The unit may be used for High or Low a...

Page 4: ...acing ventilation or cooling should be provided Ambient operating temperature ranges other than 20 C to 40 C will be indicated on the product label The equipment is intended to be used only in dry cle...

Page 5: ...se to a spread of additional risks in the event of a power failure it must be possible to maintain them in a safe state of operation independently of the rest of the installation this is the responsib...

Page 6: ...uipment shall only be carried out by the manufacturer or in accordance with the applicable code of practice 6 The certification of this equipment relies on the following materials used in its construc...

Page 7: ...rnal relay contacts These relay contacts must not switch more than 5A r m s or 250V r m s or 100 VA 4 1 4 Electrical connection and housing The electrical connections are made to the terminal blocks s...

Page 8: ...IS technical specifications for ordering information Always check to ensure the controller specifications are suited to the supply and its application before installing The input supply fail safe set...

Page 9: ...ded that this manual be used for optimum performance No attempt should be made to remove this trim Precautions before testing Before disconnecting any mains leads or control wiring at the controller o...

Page 10: ...erating cycle to ensure correct operation 4 2 3 Basic controller testing If necessary the controller can be tested without connecting to the electrode holders so its correct basic function and the use...

Page 11: ...e supply to the volt free contacts has been switched OFF and remove the wires from the terminal block Use an approved ohmmeter to measure the contact resistance Check with the Relay de energised Led O...

Page 12: ...cial low range to approx 7K Ohm Switching response 1s Operating Temp 20 C to 40 C Cable Typically 70m See drawing 2920 for maximum permitted Levels for intrinsic safety Capacitance max before sensitiv...

Page 13: ...gases that may attack metals or solvents that may affect polymeric materials Suitable precautions e g regular checks as part of routine inspections or establishing from the material s data sheet that...

Page 14: ...Sira 03ATEX2159X may be used in zones 0 1 and 2 with flammable gases and vapours with apparatus groups IIA IIB IIC and with temperature classes T1 T2 T3 T4 T5 and T6 The ambient temperature operating...

Page 15: ...recommended distance is 23cm Using plastic coated electrodes which are available from stock can eliminate bridging always bare at least 50mm of the coating and have the reference G electrode central...

Page 16: ...alculating cable capacitance and inductance follow 6 1 Cable inductance Example of calculating cable inductance Method A As the L R Ratio remains constant regardless of cable length this is the easies...

Page 17: ...ch as the HPE8 when mounted 230mm apart may be up to 18m in length before this figure is exceeded Light duty electrodes such as the HPE7 mounted 75mm apart may be up to 15m in length which is far beyo...

Page 18: ...ed except that it must not be supplied from nor contain under normal or abnormal conditions a source of potential with respect to earth ground in excess of 250V a c r m s or 250V d c and ii Controller...

Page 19: ...roller G terminals Where a multiple controller system uses a Holder Type 1G 0 HPE5 IS as a common G holder the maximum number of P1 P2 holders that may be fitted is five 7 4 Permissible interconnectin...

Page 20: ...Page 20 of 22...

Page 21: ...K Notified Body Sira Certification Service 0518 Rake Lane Eccleston Chester CH4 9JN Conformity has been demonstrated with reference to the following documentation EC type examination certificate Sira...

Page 22: ...Page 22 of 22...

Page 23: ...l 41 41 541 5877 Fax 41 41 541 5878 Email General Information Sales info kesn ch Accounts Department accounts kesn ch USA O ce 233 Rogue River Highway 425 Grants Pass Oregon 97527 5429 USA Tel 1 503 2...

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