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18 

Technical

 data 

3.3 Pressure sensor 

3.3.1 CT30 Type Pressure Sensor 

Information 

Value 

Unit 

External thread 

M12 x 1.5 

 

Usable thread length 

About 10 

mm 

 

3.3.1.1 Absolute pressure ranges 

Measuring range 

Overload capacity 

0.8

 

 

5

 

bar abs. 

 

25

 

bar abs. 

2.0

 

 

10

 

bar abs. 

 

40

 

bar abs. 

1.0

 

 

16

 

bar abs. 

 

40

 

bar abs. 

 

 

The pressure sensor is available as an internally completed variant.   
You can find details at www.elster-instromet.com or see chapter Installation, 
connection and commissioning.
 

 

 

Not applicable when used as a Temperature Conversion Device. 

 

3.4 Temperature sensor 

Information 

Value 

Unit 

Measuring range 

-30 – +60 

°C 

Measurement uncertainty 

max. ± 0.1 

Installation length 

50 

mm 

 

Summary of Contents for EK205

Page 1: ...Operating manual Volume conversion device EK205 ...

Page 2: ...Volume Conversion Device EK205 Operating instructions 73023159 Version d Issue date 16 12 2016 Software version from 1 02 ...

Page 3: ...hazards 15 2 6 Environmental protection 16 2 7 Operator liability 16 3 Technical data 17 3 1 General data 17 3 2 Power supply for EK205 without integrated mains adapter 17 3 2 1 Battery supply 17 3 2 2 External power supply for the basic device 17 3 3 Pressure sensor 18 3 3 1 CT30 Type Pressure Sensor 18 3 4 Temperature sensor 18 3 5 Digital inputs 19 3 5 1 Pulse and reporting inputs NF 19 3 6 Dig...

Page 4: ...s 29 5 3 2 Sealing 36 5 3 3 Close housing 37 5 3 4 Check installation and connection 37 5 3 5 Data transfer 37 6 Operation 38 6 1 Safety 38 6 1 1 Personal protective equipment 38 6 2 Operating staff 38 6 2 1 Trained individual 38 6 2 2 Specialist 38 6 2 3 Calibration officer 38 6 3 Basics 39 6 3 1 Display 39 6 3 2 Functions of the keys 40 6 3 3 Calling up the data navigation in the display 41 6 3 ...

Page 5: ...taff 57 8 1 2 Personal protective equipment 57 8 1 3 Improper fault rectification 58 8 1 4 Conduct in the event of faults 58 8 2 Fault and other status messages 58 9 Appendix 62 9 1 Replacement and accessory parts list 62 9 1 1 Fastening parts 62 9 1 2 Pressure connection 62 9 1 3 Temperature sensor bags 63 9 1 4 Small parts and other 63 9 1 5 Documentation 63 9 2 Conformity declarations 64 9 3 De...

Page 6: ......

Page 7: ...le and may differ from the actual design of the device The data and material properties that are presented below are guidelines They must be reviewed for each individual case and corrected if necessary For the commissioning of the various communication and device applications you can use the application manual of the EK205 at www elster instromet com en 1 2 Warranty provisions You will find our cu...

Page 8: ... not avoided WARNING indicates an immediately hazardous situation that may lead to death or severe injury if it is not avoided CAUTION indicates an immediately hazardous situation that may lead to minor or slight injury if it is not avoided indicates hazards from electric current In the event of non observance of the safety instructions there is a risk of severe or fatal injuries CAUTION indicates...

Page 9: ...turer delivery conditions and current legal regulations that apply at the time the contract was concluded Read through these operating instructions carefully before beginning any work to and with the device especially before commissioning the device The manufacturer assumes no liability for loss and malfunctions that result from non compliance with these instructions We reserve the right to make t...

Page 10: ... The replacement parts and accessories list can be found in the appendix Replacement parts and accessories can be ordered from a contract dealership or directly from our customer service The accessories of the EK205 also include the free enSuite program available at www elster instromet com With them you can program the Volume Conversion Device EK205 via its data interfaces in order to carry out f...

Page 11: ...perature This may result in the device malfunctioning at a later time Therefore After the device has been stored or transported in cold weather or if it has been subject to extreme variations in temperature bring it slowly to room temperature before it is commissioned The device must undergo a waiting period of at least 12 hours before it is put into operation if condensation formed during storage...

Page 12: ...pment only in accordance with the valid rules of the art stated in the design test certificates Connect the EK205 only to intrinsically safe pieces of equipment whose electric data correspond to the requirements stated in the design test certificates of the EK205 see chapter 9 3 DANGER Risk of explosion from use of wrong batteries Use only batteries stated in the design test certificates of the EK...

Page 13: ...e as described here The Volume Conversion Device EK205 serves to convert a gas volume of a gas line in basic condition measured by a meter in measurement conditions as well as to assign the volumes measured to tariffs In addition using the device further parameters can be measured recorded and monitored depending on the configuration set by the user Compliance with all the specifications in these ...

Page 14: ...or the specific location in which he or she works and is acquainted with the relevant standards and regulations Calibration officer has the ability because of his or her technical training knowledge and experience as well as his or her knowledge of the relevant standards and regulations to carry out calibration protected work to gas systems The calibration officer is trained to work with calibrati...

Page 15: ...hapters to reduce health hazards and avoid dangerous situations WARNING Risk of injury when handling batteries incorrectly Batteries need to be treated with special care Therefore Do not throw batteries in the fire or expose them to high temperatures There is a risk of explosion Do not charge batteries There is a risk of explosion Liquid being released in the event of incorrect use may result in s...

Page 16: ...ed The operator must keep himself herself informed of the applicable occupational health and safety regulations and determine over the course of a risk assessment the additional risks that arise from the specific working conditions when the device is being used The operator must include these items in the form of operating instructions for the device The operator must review over the entire operat...

Page 17: ...n Value Unit Voltage 3 6 V General nominal capacity 16 5 Ah Usable capacity 13 0 Ah Minimally required number of batteries 1 Unit Minimal operating duration in standard operation mode 5 Years The standard operation mode is defined as follows Information Value Measurement cycle 30 seconds Mode input 1 Pulse input Display active 60 minutes per month Interface active 30 minutes per month Ambient temp...

Page 18: ... abs 25 bar abs 2 0 10 bar abs 40 bar abs 1 0 16 bar abs 40 bar abs The pressure sensor is available as an internally completed variant You can find details at www elster instromet com or see chapter Installation connection and commissioning Not applicable when used as a Temperature Conversion Device 3 4 Temperature sensor Information Value Unit Measuring range 30 60 C Measurement uncertainty max ...

Page 19: ...ain circumstances Information Value Unit No load voltage U0 2 0 V Internal resistance Ri About 500 kΩ Short circuit current Ik About 4 μA Switchpoint on Resistance Re max 300 kΩ Voltage Ue max 0 8 V Switchpoint off Resistance Ra min 5 MΩ Voltage Ua min 1 8 V Pulse duration te min 62 5 ms Break duration ta min 62 5 ms Meter frequency f max 10 Hz Cable length max 10 m 3 6 Digital outputs The digital...

Page 20: ...ber of bus participants Drive performance at the outlet max 16 unit loads2 Received power at the input3 6 unit loads RS485 not electr insulated 3 unit loads RS485 electr separated Cable length max 10 m 3 9 Operating conditions 3 9 1 Environment Information Value Unit Temperature range 25 55 C Relative humidity maximum 93 Humidity conditions acc EN12405 1 condensation Point of use acc EN12405 1 ope...

Page 21: ...6 Measurement accuracy data 7 Notices 8 Ambient temperature range 9 IECEx EC type examination certificate no 5 10 ATEX EC type examination certificate no 11 Serial number 12 Year of construction 13 Ex marking 14 Metrology marking 3 10 2 Device software identification Move the cursor with the arrow keys to the Serv tab and via the following path to the values Vers device software version or Chk che...

Page 22: ...Cable bushing Temperature sensor 7 Outdoor plug option 8 Pressure sensor6 9 Optical interface 10 Security bails 4 2 Internal view Ill 3 1 Connections of the meter and reporting inputs DE1 and DE2 2 Connections of the pulse and reporting outputs DA1 and DA2 3 Connections of the serial interface 4 Connections of the battery 6 Not applicable when used as a Temperature Conversion Device 4 6 9 7 1 8 10...

Page 23: ... temperature sensor When using the EK205 as a Temperature Conversion Device the momentary values of temperature are measured and the pressure is set as a constant As an operating element of the EK205 an alphanumerical display and a keyboard on the front side of the device are available 4 4 Connections The Volume Conversion Device EK205 has connection options for Two batteries To monitor and regist...

Page 24: ...hten the self cutting screws such that the angle is tight 3 Using two M5 square nuts 4 and two M5 x 10 mm cylinder screws 2 install the mounting bracket on the rear of the meter head 5 4 Tighten the cylinder screws such that the device sits tight and cannot fall down 5 1 2 Installation on a pipeline Using pipe installation aids see appendix with suitable cable ties install the EK205 on a pipeline ...

Page 25: ...the overall gas line The three way cock available from Elster has the following structure The pipeline from the pressure sensor to the meter must be laid in a falling manner so that where applicable water cannot damage the pressure sensor or influence the measurement precision 7 Not applicable when using EK205 as a Temperature Conversion Device Ill 7 1 From the meter From the pressure connection o...

Page 26: ...Risk from faulty connection of the device The connection of the device may be carried out by a gas expert only see chapter Safety Faults in this process may result in fatal situations or considerable material damage Therefore Have the connection of the calibrated device be carried out by a gas expert only Also involve this person for subsequent relocations Do not perform any connection changes or ...

Page 27: ... 1 in Ill 8 page 27 of the EK205 The priority can be freely selected The labels and of the terminals are intended for connecting other pulse transducers 2 Set the operation parameters such as the cp value pulse constant as described in chapter 5 3 1 2 5 2 2 Lead sealing of the input terminals After connecting to the gas meter in accordance with chapter 5 2 1 the input terminal DE1 needs to be seal...

Page 28: ...sensor Pt 500 5 in the temperature sensor pocket 6 see appendix 2 Use the adapter for lead sealing the connection 2 see appendix 3 Fasten the temperature sensor through the capstan screw 3 and the planned screw connection 8 4 Have the temperature senor sealed using a lead sealing socket 1 and the wire seal 4 7 by a calibration officer 5 2 4 Connect pressure line8 When connecting the pressure lines...

Page 29: ...tal outputs terminals DA1 and DA2 of the EK205 see Ill 12 2 For lead sealing the output terminal a corresponding terminal cover is provided in the accessories bag Where required screw them via the terminals and then glue a lead seal to the fastening screw see chapter 5 3 2 3 Where required for the pulse outputs set the cp value pulse constant as described in chapter 5 3 1 10 5 3 Commissioning 5 3 ...

Page 30: ...s the ENTER button to confirm the set value It is possible to abort the entry by pressing the key combination ESC 2 Setting the cp value pulse constant Move the cursor to cp value cp I1 in the same path Press the key combination ENTER One digit of the value flashes Move the cursor with the arrow buttons or to the digits and change these with the arrow buttons or Press the ENTER button to confirm t...

Page 31: ...pen the change information regarding setting Vm at the same value as the gas counter must be deleted Open the calibration lock Move the cursor to the Serv tab and via the following path to the value Clear adjustable volume at measurement conditions input mode Serv Volume Actual volume Synchronization Vm Clear Press the key combination ENTER 0 flashes Change the value using the arrow buttons or to ...

Page 32: ...ditions input mode Serv Volume Standard volume Synchronization Vb Clear Press the key combination ENTER 0 flashes Change the value using the arrow buttons or to 1 After the value has been changed press the key combination ENTER in order to confirm the input It is possible to abort the entry by pressing the key combination ESC TimeX time stamp of the alignment Vb_o Vb old value Vb_n Vb new value ar...

Page 33: ...ssible to abort the entry by pressing the key combination ESC 5 3 1 9 Setting replacement values for gas pressure and temperature If the gas pressure or the gas temperature cannot be measured due to a fault or if pressure and temperature are outside the alarm limits defined in chapter 5 3 1 8 an adjustable replacement value fixed value is used to calculate the standard volume The volume thereby ca...

Page 34: ...le to abort the entry by pressing the key combination ESC Except for the settings described here many additional functions such as time synchronous pulses can be set for the outputs The complete description can be found in the application manual EK205 which you can download from www elster instromet com 5 3 1 11 Setting summer time switching Move the cursor to the Serv tab and via the following pa...

Page 35: ...onfirm the input It is possible to abort the entry by pressing the key combination ESC 5 3 1 13 Deleting the certification data log Deleting the log is only possible when the calibration lock is open Move the cursor to the Serv tab and via the following path to the value ClCDL delete certification data log Serv Edit and delete ClCDL Press the key combination ENTER 0 flashes Change the value using ...

Page 36: ...nts for securing the battery cover if available 5 Sealing points for securing the LCD plate cover The sealing of the sealing points Ill 15 3 for securing the pulse inputs and pulse outputs is subject to national law see WELMEC 11 1 chapter 2 7 1 Depending on the legal situation in the country of use seals from a group of people set out in law or from meter operators must be used If devices are del...

Page 37: ...tion of the EK205 may result in fatal situations Therefore Carry out the installation and connection of the EK205 correctly Observe the requirements of the standards and guidelines stated in the design test certificates 5 3 5 Data transfer For the various options of remote data transmission to a control room via a device connected to the terminal interface please observe the corresponding instruct...

Page 38: ...er behavior is authorized to read and note values and parameters using operating elements of the EK205 6 2 2 Specialist The specialist on operating the EK205 has the ability because of their technical training knowledge and experience as well as their knowledge of the relevant regulations to carry out the work to the device assigned to them and to recognize and avoid possible hazards on their own ...

Page 39: ...esive label This needs to be operated to change calibration protected values and parameters In the event of a calibration protected device this may be carried out by a calibration officer only 6 3 1 Display The display is divided ex works into the five tabs of Main Cust Admin Serv and Ctrl in which the measurement values settings and other data are displayed Ill 19 Structure of the display 1 Data ...

Page 40: ...lass and thereby activate the input mode open the relevant submenu update the relevant measurement value By pressing the two keys at the same time you can execute the ESC function regardless of the relevant data class and thereby leave a submenu and jump to its start value one menu level higher cancel an input the input mode By pressing the two keys at the same time you can execute the HOME CLR fu...

Page 41: ...the other tabs to display their content The Customer tab contains more data than can be displayed simultaneously With the arrow key you move the cursor from the tab to the data field the bottom part of the display If the cursor is at the lowest visible value the display is moved by pressing the key again which makes the data visible Accordingly the cursor can be moved up with the key and the displ...

Page 42: ... empty L12 Certification data log the certification data log is full P Calibration lock programming mode the calibration lock is open o online data transmission is ongoing If one of these letters flashes the condition thereby indicated is still in place active If a letter is displayed consistently the indicated status is no longer in place but needs to be confirmed Detailed explanations on the mea...

Page 43: ...be opened to change this value 6 Invalid value The value entered is outside the permissible limits 7 Wrong key The key entered number code is incorrect lock is not opened 11 Input not possible due to special settings or configuration e g Change heat value only possible in the gas analysis list not in the energy list 12 The input of this source address is not permitted 13 Input not possible due to ...

Page 44: ... volume conversion The calibration lock is designed as a key that is placed within the EK205 housing below the circuit board cover It can be secured with an adhesive label see chapter 5 3 1 1 Opening the calibration lock The calibration lock is opened by actuating the key the P symbol flashes in the display and closed again by actuating it a second time P symbol extinguishes Closing is also possib...

Page 45: ...in encoder mode For every change of a parameter under CDL with a closed calibration lock a data row for the value is entered before and after the change If the certification data log is full it can be deleted when the calibration lock is open using the ClCDL command see chapter 5 3 1 13 If the calibration lock is opened while the calibration logbook is open it can only be closed again after deleti...

Page 46: ...Display Meaning Unit Access Address Vb Volume at base conditions m3 C 2 300 VmT Total Volume at measurement conditions m3 C 4 302 p Pressure bar 7 310_1 T Temperature C 6 310_1 6 4 2 1 Vb volume in base mode The measured volume of the gas meter connected is converted in base mode and added up in this counter If a fault is given see chapter 8 Faults the counter is stopped and the volume is added up...

Page 47: ...stomer tab This tab is used to display and check special device settings or statuses The application is intended for the gas customer This tab can be freely programmed by the user via the enSuite parameterization software The following parameters are programmed ex works Display Meaning Unit Access Address Time Date and time 1 400 Vb Volume at base conditions m3 E 2 300 VmT Total Volume at measurem...

Page 48: ... what occurred since the last station inspection for instance The reports can be deleted on the device Serv Status Clr In the status tabs only alarms and warnings see chapter 8 2 are displayed 6 4 3 6 VbMP maximum measurement period counter Vb in the current month The time stamp of the maximum is displayed in the following row when moving the cursor to the VbMP value The maximum of the past 24 mon...

Page 49: ... values17 Submenu for user specific parameters Volume Submenu for volumes and associated parameters Volume conversion Submenu for conversion and associated parameters Measured values Submenu for measurement values and associated parameters Archives Submenu for archives located in the device Status Submenu for current status status tab and logbooks Date and time Submenu for date and time and associ...

Page 50: ...all outputs and associated parameters Interfaces Submenu for the interfaces in the device Device settings Submenu for general device settings Identification Submenu for the identification of the gas system Edit and delete Submenu for triggering various deletion functions Examination Submenu for freezing function and test archive Data book Submenu with information from the data book of the device 6...

Page 51: ...k is closed open The calibration lock is open In this case the P at the top left also flashes in the display see chapter 6 3 4 Meaning of the status symbols 6 4 6 4 Menu selection of the display menu In delivery status the display of the EK205 has the five tabs Main Cust Admin Serv and Ctrl With the Menu value for certain purposes tabs can be displayed or hidden 6 4 6 5 Main content of the Main ta...

Page 52: ...tivation Do not bridge any fuses or deactivate them When replacing fuses observe the correct ampere figure Keep life parts away from humidity This may result in a short circuit DANGER Risk of explosion due to electrostatic charging Avoid electrostatic charges Therefor Clean the device only with a damp cloth Avoid rubbing with non conductive materials WARNING Risk of injury when handling batteries ...

Page 53: ...ult in severe personal injury or material damage Therefore Before starting work ensure sufficient installation freedom Ensure order and cleanliness at the place of installation Components and tools lying around and placed on top of one another loosely are sources of accidents If components were removed ensure correct installation reinstall all fastening elements and observe screw torques 7 1 2 Per...

Page 54: ...es There is a risk of explosion Do not charge batteries There is a risk of explosion Liquid being released in the event of incorrect use may result in skin inflammations Avoid contact with the liquid Rinse the liquid with lots of water in the event of contact If the liquid enters the eyes rinse the eyes for 10 mins with water and see a doctor immediately The replacement of the batteries can be car...

Page 55: ...scribed in chapter 7 2 3 In standard operation mode see chapter 3 2 1 the operation duration must display at least 62 months Otherwise compared the settings with the standard operation case and execute step 9 if applicable Ensure that the new battery is fastened correctly and sits tight inside the EK205 CAUTION Damage to property caused by improper device closure If the device is not properly clos...

Page 56: ... settings Access St AL Press the key combination ENTER open flashes Move the cursor with the arrow keys or to change the value to closed After the value has been entered press the key combination ENTER in order to confirm the input It is possible to abort the entry by pressing the key combination ESC 7 2 3 Display remaining operating duration of the battery The calculation of the remaining operati...

Page 57: ...f the external power supply carried out by electrical experts only For all work on the electrical plant de energize it and check the freedom from voltage Before maintenance work cut the voltage supply and secure it from reactivation Keep life parts away from humidity This may result in a short circuit 8 1 1 Staff The work described here for fault rectification unless indicated otherwise can be car...

Page 58: ...ng on the type of the fault contact the manufacturer and have it rectified by authorized specialist staff or do so yourself 8 2 Fault and other status messages Faults here equivalent to alarms during the operation of the EK205 can be identified on the basis of the status symbols in the first row of the display see chapter 6 3 4 Further information and reports can be obtained in the Stat current st...

Page 59: ...e see chapter 1 3 Customer service p Inp error The gas pressure cannot be measured due to a fault Please contact the Elster customer service see chapter 1 3 Customer service b Warnings Data restore The batteries of the EK205 have failed temporarily As a result of this the time has not changed and no measurements have been logged However all data remain preserved This message appears when old batte...

Page 60: ...s Please contact the Elster customer service see chapter 1 3 Customer service Sett error The programing of the device has generated an unusable combination of settings Please contact the Elster customer service see chapter 1 3 Customer service I2 Warn sig If an input has been configured as a warning input this message will be displayed if an active signal appears at the corresponding terminal e g ...

Page 61: ...ease contact the Elster customer service see chapter 1 3 Customer service Cal lock o The calibration lock is open In normal operating conditions the calibration lock should be closed so that unauthorized changes cannot be made To close the calibration lock please go to Ctrl St ES and enter the value 0 Admin lock Cust lock o The administrator lock customer lock is open Bat operat The EK205 is in ba...

Page 62: ... 804 Mounting kit EK205 to S1 S1V S1D Enc S1 73 023 805 Universal holding angle for pipe installation for various nominal widths 73 021 955 Universal holding angle for fastening with clamp to a pipe 73 018 057 EK205 wall installation help 73 023 360 Pipe installation help incl screws 04 300 365 When ordering the universal holding angle with the clamps for pipe installation state the pipe diameter ...

Page 63: ...EBL45 50 and 67 for fastening and sealing the 6 mm universal sensor 73 019 951 Adapter for older sensor bags EBL160 and 250 for fastening and sealing the 6 mm universal sensor 73 019 950 9 1 4 Small parts and other Replacement spare parts Order no Seal sleeve for pressure connection and temperature sensor 73 017 997 Connection cable for 2 NF pulse transducer approx 700 mm in length 73 017 093 Devi...

Page 64: ...64 Appendix 9 2 Conformity declarations19 19 IECEx is not available for all device types ...

Page 65: ...Appendix 65 9 3 Design test certifications 9 3 1 ATEX EC Type Examination Certificat ...

Page 66: ...66 Appendix ...

Page 67: ...Appendix 67 ...

Page 68: ...68 Appendix 9 3 2 IECEx Certificate of Conformity20 20 Not available for all device types ...

Page 69: ...Appendix 69 ...

Page 70: ...70 Appendix ...

Page 71: ...Appendix 71 ...

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