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Operating Instructions Differential pressure transmitter DPT-10

1. 4 Move to min zero adjustment with gt The current measured value was corrected to 0 the corrective value is available in the display as offset value with sign reversal If a known value should be taken over as position correction which is not the current value then you have to select the function Edit and enter the requested value Zero adjustment with dif In this menu item the min differential pressure is entered ferential pressure Proceed as follows 1 Edit the bar value in the menu item zero with OK Zero adjustment 0 00 0 0000 bar DP 0 0000 bar 2 Set the requested value with and gt 3 Confirm with OK and move to span adjustment with gt For an adjustment with pressure simply enter the actual measured value indicated at the bottom of the display The zero adjustment is finished Information I The zero adjustment shifts the value of the span adjustment The span i e the difference between these values however remains unchanged Span adjustment with dif In this menu item the max differential pressure is entered ferential pressure Proceed as follows 1 Edit the bar value in the menu item span with OK Span adjustment 100 00 0 5000 bar 0 0000 bar Information If the instrument has not yet been adjusted the displayed pressure for 100 corresponds to the nominal measuring range of the sensor in the above example 500 mbar 2 Set t
2. Fig 13 Connection of a 3 fold valve block Process fitting Process fitting Inlet valve Inlet valve Breather valve OAAKR OdNMm 3 fold valve block flang The following illustration shows the connection of the 3 fold valve ing on both sides block flanging on both sides 16 WIKA Operating Instructions Differential pressure transmitter DPT 10 Fig 14 Connection of a 3 fold valve block flanging on both sides 1 2 3 4 5 Process fitting Process fitting Inlet valve Inlet valve Breather valve 5 fold valve block The following illustration shows the connection of the 5 fold valve block WIKA Operating Instructions Differential pressure transmitter DPT 10 17 In gases 18 Fig 15 Connection of a 5 fold valve block 1 2 3 4 5 6 7 8 9 4 4 Measurement setup flow Mount DPT 10 above the measurement loop so that condensate can drain off in the process cable Process fitting Process fitting Check Ventilate Check Ventilate Valve for checking ventilating Valve for checking ventilating Inlet valve Inlet valve Breather valve WIKA Operating Instructions Differential pressure transmitter DPT 10 Fig 16 Measurement setup with flow measurement of gases connection via 3 fold valve block DPT 10 3 fold valve block Blocking valves Orifice or impact pressure probe AR OhM_ Fig 17 Measurement setup with flow measurement of gases connection via 3 fold valve block
3. Air pressure Determination of characteristics Characterstic curve 18 30 C 64 86 F 45 75 860 1060 mbar 86 106 kPa 12 5 15 4 psig Limit point adjustment according to IEC 61298 2 Linear Calibration position of the measuring cell Vertical i e upright process component Influence of the installation position to the lt 4 mbar Zero point A position dependent zero point shift can be corrected see also chapter Adjust parameter Position of the span in the measuring range Diaphragm material Filling oil Material lateral flanges Based on the zero point 316L Alloy C276 gold rhodium plated Monel Silicone oil 316L A position dependent zero point shift can be corrected see also chapter Adjust parameter 64 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Deviation determined according to the limit point method according to IEC 60770 Applies to digital interfaces HART Profibus PA Foundation Fieldbus as well as to analogue current output 4 20 mA Specifications refer to the set span Turn down TD is the ratio nominal measuring range set span Deviation All versions The following applies to square root extracted characteristics The accuracy data of DPT 10 are entered with factor 0 5 in the accuracy calculation of the flow Deviation Basic version 10 mbar 30 mbar measuring cell Turn down 1
4. 1 0 15 of the set span Turn down gt 1 1 0 15 of the set span x TD 100 mbar measuring cell Turn down 1 1 to 4 1 0 075 of the set span Turn down gt 4 1 0 012 x TD 0 027 of the set span Measuring cells gt 500 mbar Turn down 1 1 to 15 1 0 075 of the set span Turn down gt 15 1 0 0015 x TD 0 053 of the set span Deviation Chemical seal versions 100 mbar measuring cell Turn down 1 1 to 4 1 0 075 of the set span influence of the chemical seal Turn down gt 4 1 0 012 x TD 0 027 of the set span influence of the chemical seal Measuring cells gt 500 mbar Turn down 1 1 to 15 1 0 075 of the set span influence of the chemical seal Turn down gt 15 1 0 0015 x TD 0 053 of the set span influence of the chemical seal Influence of the product or ambient temperature Applies to instruments in basic version with digital signal output HART Profibus PA Foundation Fieldbus as well as to instruments with analogue current output 4 20 mA Specifications refer to the set span Turn down TD nominal measuring range set span Temperature range Measuring range Thermal changes of the zero sig nal and the output span relating to the adjusted span 10 60 C 14 140 F 10 mbar 30 mbar 0 31 x TD 0 06 100 mbar 0 18 x TD 0 02 500 mbar 3 bar 0 08 x TD 0 05 16 bar 0 1xTD
5. Precipitator Drain valves 3 fold valve block 4 5 Measurement setup level 1 Mount DPT 10 below the lower measurement connection so that the effective pressure lines are always filled with liquid Minus side is open to the atmospheric pressure When measuring liquids with solid content the mounting of sepa rators and drain valves is useful to be able to avoid and remove buildup Fig 20 Measurement setup level measurement in the open vessel aA UNAS DPT 10 Minus side is open to the atmospheric pressure Blocking valve Precipitator Drain valve WIKA Operating Instructions Differential pressure transmitter DPT 10 21 In open vessels with 1 Mount DPT 10 directly to the vessel single chemical seal 9 Minus side is open to the atmospheric pressure Fig 21 Measurement setup level measurement in the open vessel 1 DPT 10 2 Minus side is open to the atmospheric pressure In closed vessels with ef 1 Mount DPT 10 below the lower measurement connection so that fective pressure lines the effective pressure lines are always filled with liquid 2 Connect minus side always above the max level 3 For measurements in products with solid content such as e g dirty liquids the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment Fig 22 Measurement setup level measurement in closed vessel 1 2 3 4 5 22 WIKA Operating Instructions Di
6. PWS Dean AS connection atc tee axe ea eecertccsaetare nnn a a a 31 52 COMO CH ON OCS IS essei a EE a E 32 D3 Single chamber NousiNg essseiesein a a a aa 33 54 Version IP 66 IP 68 1 baf caccwincidcasnnstanenevnccindsadedgisaencunsandincenbvasendeneanican sans iaimedariantteaaere 34 Da SWOON DNAS E ai a E a AE 34 6 Adjustment with the display and adjustment module OI ORM CSS ID U OV essei Eaa AAEREN 35 6 2 Insert display and adjustment module ciiieciiiaceccrncccncasial ssestiedeecnweadareitacenoramccosemacuredenades 35 03 PUPS UIST SUC cic se tcc ceerecaeceeccerecnncercsecaptancuatnadoeceemesandenaccacsnace eteamsensinascaueasaniameedees 36 Ge DSL AAI CUS S eeen N 37 09 IVS SCI esikoe REEE 46 6 12 Saving the parameter adjustment data ccccscesceececeeeeeeeeeeeeeeeeeeeseeeeseeeeseesasseeeeeees 49 7 Setup TaN Selectie MOE scria EARE SEAE IE ESES 50 72 Flow measurement sasactaraceatia cat uuicutdosawenteacseantentdavaugesasesenicutsatiaensaviaechustiaucsaeuvispubeavaet 50 7 3 Level MEASUPEME ME cacisrticusssteauuecuadensacaneauchantcaniensyanpsateousbiundaclacnsdeysaexsustigewadeainese haus nadl 52 7 4 Density and interface MEASUFEMENN cccccecsseseeeeeeeeeeeeeeeeseseaeseeeeseaeaaseeeeesssasseeeenees 56 2 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 7 5 Differential pressure measurement cccccceceeseeeeeceeneeseeeeeceseaeeeeeseanaeseeeesesnaseeeneees 56 Maintenance and fault rect
7. flanging on both sides 1 DPT 10 2 3 fold valve block flanging on both sides 3 Orifice or impact pressure probe In vapours 1 Mount DPT 10 below the measurement loop 2 Mount condensate vessels at the same height with the discharge socket and at the same distance to DPT 10 3 Fill the effective pressure lines to the height of the condensate vessels before setup WIKA Operating Instructions Differential pressure transmitter DPT 10 19 Fig 18 Measurement setup flow measurement in vapours 1 2 3 4 5 6 When using a 5 fold valve block the drain or blow off valves are already integrated In liquids 1 Mount DPT 10 below the measurement loop so that the effective pressure lines are always filled with liquid and gas bubbles can bubble up to the process line Condensate vessels Orifice or impact pressure probe Blocking valves DPT 10 Drain or blow off valves 3 fold valve block 2 For measurements in products with solid content such as e g dirty liquids the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment 3 Fill the effective pressure lines to the height of the condensate vessels before setup 20 WIKA Operating Instructions Differential pressure transmitter DPT 10 In open vessels with ef fective pressure line Fig 19 Measurement setup flow measurement in liquids OaAR DY Orifice or impact pressure probe Blocking valves DPT 10
8. 0 1 16 bar 0 08 x TD 0 05 WIKA Operating Instructions Differential pressure transmitter DPT 10 65 10 Supplement Temperature range Measuring range Thermal changes of the zero sig nal and the output span relating to the adjusted span 40 10 C 40 50 F 60 85 C 140 185 F 10 mbar 30 mbar 0 45 x TD 0 1 100 mbar 0 3 x TD 0 15 500 mbar 3 bar 0 12 x TD 0 1 16 bar 0 15 x TD 0 2 40 bar 0 37 x TD 0 1 Applies also to instruments with analogue 4 20 mA current output and refers to the set span lt 0 05 10 K max lt 0 15 each with 40 80 C 40 176 F Thermal change current output 40 C 20 C Fig 49 Thermal change current output Influence of the system pressure on the zero point and span 316L Alloy C276 Alloy C276 gold rhodium coated diaphragm Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar Influence of the sys 0 15 of 0 35 of 0 15 of 0 075 of tem pressure tothe URL 7 bar URL 70 bar URL 70 bar URL 70 bar zero point Influence of the sys 0 035 of 0 14 of 0 14 of 0 14 of tem pressure tothe URL 7 bar URL 70 bar URL 70 bar URL 70 bar span Measuring cell 3 bar 16 bar 40 bar Influence of the system 0 075 of URL 7 bar 0 075 of URL 70 bar 0 075 of URL 70 bar pressure to the zero point
9. 10 with double chemical seal is immediately ready for operation The DPT 10 without chemical seal or with single chemical seal is ready for operation after opening a blocking valve in case one is present Before you adjust DPT 10 without chemical seal or with single chemi cal seal the effective pressure lines must be cleaned and the instru ment filled with the medium D Arrangement with 5 valves 2 Valves 1 3 5 Configuration with 5 valves 52 WIKA Operating Instructions Differential pressure transmitter DPT 10 7 Setup Measurement setup for open vessels Fig 43 Preferred measurement setup for open vessels DPT 10 Precipitator 1 Drain valve 6 7 Vent valves on DPT 10 A Blocking valve Prepare the adjustment Proceed as follows 1 Fill the vessel to just over the lower tap 2 Fill measuring system with medium Open valve A Medium flows in 3 Vent instrument Briefly open valve 6 then close it Fill the measuring instrument completely with the medium and remove air 4 Set measurement loop to operation Now Valve A open and valve 6 closed Then carry out adjustment see below WIKA Operating Instructions Differential pressure transmitter DPT 10 53 7 Setup Measurement setup for closed vessels Prepare the adjustment 54 Fig 44 Preferred measurement setup for closed vessels DPT 10 Il 3 fold valve block lll Precipitator 1 5 Drain valves 2 4 Inlet valves 6 7 Vent v
10. Influence of the system 0 14 of URL 7 bar 0 14 of URL 70 bar 0 14 of URL 70 bar pressure to the span Tantalum diaphragm Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar Influence of the sys 0 28 of 0 70 of 0 42 of 0 14 of tem pressure tothe URL 7 bar URL 70 bar URL 70 bar URL 70 bar zero point 66 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Measuring cell 10 mbar 30 mbar 100 mbar 500 mbar Influence of the sys 0 28 of 0 70 of 0 42 of 0 14 of tem pressure tothe URL 7 bar URL 70 bar URL 70 bar URL 70 bar span Measuring cell 3 bar 16 bar 40 bar Influence of the system 0 14 of URL 7 bar 0 14 of URL 70 bar 0 14 of URL 70 bar pressure to the zero point Influence of the system 0 14 of URL 7 bar 0 14 of URL 70 bar 0 14 of URL 70 bar pressure to the span Total accuracy Total Performance Basic version The specification Total Performance comprises non linearity incl hysteresis and non repeatability thermal change of the zero point and static pressure influence p 70 bar Total Performance 316L Alloy gold rhodium diaphragm 0 15 of the set span Tantalum diaphragm 0 30 of the set span Total Error basic version The specification Total Error comprises the longterm stability and the total performance Diaphragm mat
11. Weight approx 4 2 4 5 kg 9 26 9 92 lbs depending on process fitting 62 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Output variable Output signal Signal resolution Failure signal output current Max output current Load Met NAMUR recommendation Dynamic behaviour output Run up time 4 20mA 1 6 uA mA value unchanged 20 5 mA 22 mA lt 3 6 mA adjust able 22 mA see load diagram under Power supply NE 43 lt 20s Fig 48 Presentation of the dead time t and the time constant t The following specified total dead time applies to the 4 20 mA current output Version nominal measuring range Dead time t Time constant t Basic version 10 bar and 30 bar 100 ms 250 ms Basic version 100 mbar 100 ms 180 ms Basic version 500 mbar 100 ms 180 ms Basic version 3 bar 100 ms 180 ms Basic version 16 bar and 40 bar 100 ms 180 ms Chemical seal version all nominal measuring ranges Dependent on the chemi Dependent on the chemi cal seal cal seal Damping 63 of the input variable Input variable Measured variable Adjustment differential pressure 0 999 s adjustable Differential pressure flow and level derived from it Adjustment range of the zero span adjustment relating to the nominal measuring range WIKA Operating Instructions Differential pressure transmitter DPT 10 63 10 Supplement Pressur
12. adjustment is finished WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Max adjustment with flow Proceed as follows Linearization curve with level Leak flow volume sup pression with flow 1 Edit the bar value in the menu item Max adjustment with OK Max adjustment 100 00 G 0 5000 bar DP 0 0000 bar Information If the instrument has not yet been adjusted the displayed pressure for 100 corresponds to the nominal measuring range of the sensor in the above example 500 mbar 2 Set the requested mbar value with gt and OK 3 Confirm with OK and move to the menu overview with ESC For an adjustment with flow simply enter the actual measured value indicated at the bottom of the display The max adjustment is finished For level measurement a linearization is necessary for all vessels in which the vessel volume does not increase linearly with the level e g in a cylindrical or spherical tank and the indication or output of the volume is requested Respective linearisation curves are stored for these vessels They indicate the relation between the percentage level and the vessel vol ume By activating the suitable curve the percentage vessel volume is displayed correctly Linearization curve Linear Enter the requested parameters via the appropriate keys save your settings and jump to the ne
13. and drain valves is recommended to enable collection and removal of debris and sediment Fig 25 Measurement setup in closed vessel with superimposed steam 1 2 3 4 5 6 Condensate vessel Blocking valves DPT 10 Precipitator Drain valves 3 fold valve block ak In closed vessels with superimposed steam with single chemical seal Mount DPT 10 directly to the vessel Connect minus side always above the max level N The condensate vessel ensures a constant pressure on the minus side 4 For measurements in products with solid content such as e g dirty liquids the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment 24 WIKA Operating Instructions Differential pressure transmitter DPT 10 Density measurement Fig 26 Measurement setup in closed vessel with superimposed steam 1 2 3 4 5 4 6 Measurement setup density and interface Condensate vessel Blocking valve Precipitator Drain valve DPT 10 In a vessel with varying level and homogeneous density distribution density measurement with a differential pressure transmitter can be realized The connection to the vessel is made via a chemical seal on two measuring points To reach a high accuracy the distance between these points must be as big as possible The density measurement is only ensured with a level above the upper measuring point If the level drops below the upper measuring po
14. following drilling template 2 Depending on the mounting surface fasten the wall mounting plate with 4 screws 90 mm 3 54 70 mm 2 76 wl 8 Ll w E E Ol om oe Fig 33 Drilling template wall mounting plate WIKA Operating Instructions Differential pressure transmitter DPT 10 29 Mount the wall mounting plate so that the cable entry of the socket housing points downward The socket housing can be displaced by 180 to the wall mounting plate 4 9 Installation control Check the following after mounting the instrument e Did you tighten all screws e Closing screws and ventilation valves closed 30 WIKA Operating Instructions Differential pressure transmitter DPT 10 5 Connecting to power supply Note safety instructions Take note of safety instructions for Ex applications Select power supply Select connection cable Cable screening and grounding A 5 Connecting to power supply 5 1 Preparing the connection Always keep in mind the following safety instructions e Connect only in the complete absence of line voltage e f overvoltage surges are expected overvoltage arresters should be installed In hazardous areas you must take note of the respective regulations conformity and type approval certificates of the sensors and power supply units Power supply and current signal are transmitted via the same two wire connection cable The supply voltage range can d
15. follows 1 Select for example menu item Part sum counter Part sum counter 0 0000 10 gal Modify settings 2 Activate the function Modify settings with OK Part sum counter gt Effective pressure transmitter Unit 3 Confirm with OK Effective pressure transmitter Part sum counter p gt Mass flow gt Volume flow Without unit 4 Select the requested variable with gt and confirm with OK 5 Select calibration unit of the effective pressure transmitter with gt for example m s and confirm with OK Part sum counter 0 0000 m s 100 0000 mss 6 Edit with OK and set the requested values with and gt 7 Confirm with OK and jump back to the indication of the part sum counter 8 Select with gt the unit of the sum counter adjust the requested unit with gt for example m s and confirm with OK The setting of the part sum counter is hence terminated the counting function is activated The procedure of the total sum counter is the same This function enables uploading parameter adjustment data into the display and adjustment module as well as downloading parameter adjustment data into the sensor A detailed description of the function is available in the operating instructions manual Display and adjust ment module The following data are loaded or downloaded with this function e Measured value presentation WIKA
16. module the housing is Himm 0 352lin higher 1 Single chamber version 2 Double chamber version Stainless steel housing 59mm 69mm 87 mm 3 43 2 32 272 82 mm 3 439 80mm 277mm 84mm 3 03 0 ON M20x1 5 V2 NPT M20x1 5 Vp NPT M20x1 5 Y2 NPT Fig 54 Housing versions in protection IP 66 IP 68 0 2 bar with integrated display and adjustment module the housing is 9mm 0 35 in higher 1 Single chamber version electropolished 2 Single chamber version precision casting 3 Double chamber version precision casting 72 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Oval flange connection 14 18 NPT or RC 1 4 Fig 55 Top 10 mbar and 30 mbar measuring cell Bottom Measuring cell gt 100 mbar 134 5 mm 5 3 Version Connection Fastening Material Scope of delivery B 1 4 18 NPT 7 16 20 UNF Steel C 22 8 incl 2 vent valves IEC 61518 316L D 1 4 18 NPT 7 16 20 UNF AISI 316L incl 2 vent valves IEC 61518 316L F 1 4 18 NPT 7 16 20 UNF Alloy C276 without valves clos IEC 61518 ing screws U RC 1 4 7 16 20 UNF AISI 316L incl 2 vent valves 316L 1 1 4 18 NPT PN 160 M10 PN Steel C 22 8 incl 2 vent valves IEC 61518 420 M12 316L WIKA Operating Instructions Differential pressure transmitter DPT 10 73 10 Supplement Versi
17. result gt me Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the instrument can result Ex applications Ex This symbol indicates special instructions for Ex applications e List The dot set in front indicates a list with no implied sequence Action This arrow indicates a single action 1 Sequence of actions Numbers set in front indicate successive steps in a procedure Battery disposal This symbol indicates special information about the disposal of bat teries and accumulators 4 WIKA Operating Instructions Differential pressure transmitter DPT 10 2 For your safety 2 For your safety 2 1 Authorised personnel Mount and set up the pressure transmitter only if you know the appli cable national regulations and have the appropriate qualification You must be aquainted with the regulations and instructions for hazard ous areas measurement and control technology as well as electrical circuits because the pressure transmitter is electrical equipment according to EN 50178 Depending on the application conditions it is necessary that you have appropriate knowledge e g concerning corrosive products or high pressure 2 2 Appropriate use DPT 10 is a differential pressure transmitter for measurement of flow level differential pressure density and interface You can
18. 5 mA current The values of the following menu items are not reset with Reset Menu section Menu item Reset value Basic settings Unit of measurement bar Temperature unit C Position correction No reset Display Backlight No reset Service Language No reset Application No reset Peak value The min and max temperature or pressure values are each reset to the actual value Totalizer The total and part sum counter are reset to zero Additional adjustment and diagnosis options such as e g scaling simulation or trend curve presentation are shown in the following menu schematic You will find a detailed description of these menu items in the operating instructions manual Display and adjustment module 6 5 Menu schematic Information Depending on the version and application the highlighted menu windows may not always be available WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Basic adjustment differential pressure Basic adjustment flow WIKA Operating Instructions Differential pressure transmitter DPT 10 47 6 Adjustment with the display and adjustment module Basic setting level Display Diagnostics Basic adjustment 3 Display gt Diagnostics Service Info Totalizer 0 0000 10 gal Modify settings Part sum counter 3 0 0000 10 gal Modify set
19. 500 V The low frequency potential equalisation currents are thus suppressed but the protective effect against high frequency interfer ence signals remains Warning Considerable potential differences exist inside galvanic plants as well as vessels with cathodic corrosion protection Very large equalisa tion currents can flow through the cable screen when the screen is grounded on both ends To avoid this the cable screen must be WIKA Operating Instructions Differential pressure transmitter DPT 10 31 5 Connecting to power supply pale Select connection Ex cable for Ex applica tions Single Double chamber housing 32 connected to ground potential only on one end inside the switch ing cabinet in such applications The cable screen must not be connected to the internal ground terminal in the sensor and the outer ground terminal on the housing not to potential equalisation Information The metallic parts of the instrument such as transmitter and process fitting are conductively connected with the inner and outer ground terminal on the housing This connection exists either as a direct me tallic contact or via the shielding of the special connection cable on instruments with external electronics You can find specifications on the potential connections within the instrument in chapter Technical data Take note of the corresponding installation regulations for Ex applica tions In particular make sure that no poten
20. 6000 kPa 240 bar 24000 kPa 100 mbar 10 kPa 160 bar 16000 kPa 160 bar 16000 kPa 240 bar 24000 kPa 500 mbar 50 kPa 160 bar 16000 kPa 160 bar 16000 kPa 240 bar 24000 kPa 420 bar 42000 kPa 420 bar 42000 kPa 630 bar 63000 kPa 3 bar 300 kPa 160 bar 16000 kPa 160 bar 16000 kPa 240 bar 24000 kPa 420 bar 42000 kPa 420 bar 42000 kPa 630 bar 63000 kPa 16 bar 1600 kPa 160 bar 16000 kPa 160 bar 16000 kPa 240 bar 24000 kPa 420 bar 42000 kPa 420 bar 42000 kPa 630 bar 63000 kPa 68 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Nominal range Nominal pressure Overload one sided Overload two sided 40 bar 4000 kPa 160 bar 16000 kPa Plus side 160 bar 240 bar 24000 kPa 420 bar 42000 kPa 16000 kPa 630 bar 63000 kPa 420 bar 42000 kPa Minus side 100 bar 10000 kPa Process pressure limits with seal material FFKM Kalrez 6375 Nominal pressure Overload one sided Overload two sided 100 bar 10000 kPa 100 bar 10000 kPa 150 bar 15000 kPa Min system pressure with all measuring 0 1 mbar 10 Pass ranges Vibration resistance mechanical vibrations with 5 100 Hz depending on the version as well as the material and series of the electronics housing Single and double chamber plastic housing single chamber Aluminium housing Double chamber Aluminium hous ing single chamber stai
21. Instructions Differential pressure transmitter DPT 10 7 78 WIKA Operating Instructions Differential pressure transmitter DPT 10 WIKA Operating Instructions Differential pressure transmitter DPT 10 79 Printing date 2 All statements concerning scope of delivery application practi cal use and operating conditions of the sensors and processing systems correspond to the information available at the time of WIKA WIKA Alexander Wiegand SE amp Co KG Alexander Wiegand Stra e 30 63911 Klingenberg Germany Phone 49 9372 132 0 Fax 49 9372 132 406 E mail info wika de www wika de 80 Differential pressure transmitter DPT 10 CLLOEL NA EVCLE
22. Operating Instructions Differential pressure transmitter DPT 10 Metallic measurement diaphragm 4 20 MA Differential pressure transmitter DPT 10 WIKA i Part of your business Contents 1 About this document Teg Ue CUCU ONT ince cece aeccee een tem secscesePannctea entcecqneateeueequsuueentacteuenadennecenenscecateras enieacosseqeatenaeuneuian 4 Te CSE ON cate castes a ahen eens cement ee E E EEEE 4 to Oympolsm USS Olea cctexneseaarcan sation a Eae EEEE S E pescuedosecneenentsnetceeds 4 2 For your safety 2 1 Authorised personnel aus aes vs aesuecsn saverssesenccnaadnmetsacsaguyaediuucsn smuninads suns at iantenarehsisessemsaeednamtaaaas 5 22 ION WS ea ee sra ete crceeatataeenestacuteamedsagha oeensansasenuntonannertacae sy suniamnenansaitocsvaaveobanaatoucess 5 2 3 Warning about incorrect USC scasseseteczccirseencrtessctextedcserpenteugidavneevucestavietaedectacineinesieaiecevesiee 5 2 4 General safety instructions esssnesseenneeenrtrrttrtsttrrrerrsrrttttnsttrtrrrssnnttrroetrtrnnennnn nenene 5 2 5 Safety label on the instrument c0cc cccccececescessseeeecesesseeeeeceeeaaseeeeseeeaaseeeeeeseagseeeessneas 5 20 62 118 60 ee ee en ee Tener er ret heey Tern penne ten eer terete er 6 2 Fulfillment of NAMUR recommendations ccccceceseeeeeeeeeeaeeseeeeeseueaseeeeeeeeneneeeeeenans 6 2 8 Safety instructions for oxygen APPliCALIONS cccccceceseeseeeeeceaeeeeeeeeeseaeeseeeeeeeseae
23. Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Application Adjustment Damping Linearization curve Leak flow volume suppression Sensor TAG Displayed value Display unit Scaling Current output Unit of measurement Language The following safety relevant data are not uploaded or downloaded e HART mode e PIN Copy sensor data Copy sensor data Reset Basic adjustment The reset Basic adjustment resets the values of the following menu items to the reset values see chart Menu section Menu item Reset value Basic settings Zero Min adjustment Measuring range begin Span Max adjustment Measuring range end Density 1 kg l Density unit kg l Damping 1s Linearization Linear Sensor TAG Sensor Display Displayed value Differential pressure Display unit Mass kg Scaling 0 00 to 100 0 Decimal point indication 8888 8 Diagnostics Totalizer Part sum counter 0 0000 10 gal 0 0000 10 gal WIKA Operating Instructions Differential pressure transmitter DPT 10 45 6 Adjustment with the display and adjustment module Optional settings 46 ao Menu section Menu item Reset value Service Current output charac 4 20mA teristics Current output failure lt 3 6 mA mode Current output min 3 8 mA current Current output max 20
24. a instrument 2 Voltage limit non Ex Ex d instrument 3 Operating voltage Electrical protective measures Protection rating Housing standard IP 66 IP 67 Overvoltage category III Protection class II Approvals Depending on the version instruments with approvals can have different technical data For these instruments please note the corresponding approval documents They are included in the scope of delivery 70 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement 10 2 Dimensions Plastic housing 84mm Crile 84 mm 3 91 0 OoOo OW M20x1 5 Y2 NPT M20x1 5 Y2 NPT Fig 51 Housing versions in protection IP 66 IP 68 0 2 bar with integrated display and adjustment module the housing is 9mm 0 35 in higher 1 Single chamber version 2 Double chamber version Aluminium housing 116 mm 4 57 84 mm 3 31 M20x1 5 2 NPT Fig 52 Housing versions in protection IP 66 IP 68 0 2 bar with integrated display and adjustment module the housing is 9mm 0 35 in higher 1 Single chamber version 2 Double chamber version WIKA Operating Instructions Differential pressure transmitter DPT 10 71 10 Supplement Aluminium housing in protection rating IP 66 IP 68 1 bar M20x1 5 2 NPT Fig 53 Housing versions in protection IP amp 166 IP2168 10bar with integrated display and adjustment
25. adjustment with OK 100 00 E 0 1000 bar 0 0000 bar Information If the instrument has not yet been adjusted the displayed pressure for 100 corresponds to the nominal measuring range of the sensor in the above example 100 mbar 2 Set the requested value with gt and OK for example 0 0 3 Confirm with OK and edit the requested mbar value 4 Set the requested value with and gt for example 35 3 mbar 5 Confirm with OK and move to the menu overview with ESC For an adjustment with filling simply enter the actual measured value indicated at the bottom of the display The max adjustment is finished Proceed as follows 1 Edit the bar value in the menu item Min adjustment with OK Min adjustment lt VIT 0 00 CTN amp 0 0000 bar DP 0 0000 bar 2 Setthe requested bar value with and gt 3 Confirm with and move to max adjustment with gt For an adjustment with flow simply enter the actual measured value indicated at the bottom of the display Information The DPT 10 is also suitable for bidirectional flow measurement flow in both directions The selection is carried out in the menu item Linearization curve With the bidirectional flow measurement the min adjustment value must be equal to the negative max adjustment value Example Max adjustment value 100 mbar as min adjustment value 100 mbar must hence be entered The min
26. alves on DPT 10 A B Blocking valves Proceed as follows 1 Fill the vessel to just above the lower tap 2 Fill measuring system with medium Close valve 3 Separate plus and minus side Open valve A and B Open block valves 3 Vent plus side probably empty minus side Open valve 2 and 4 Discharge medium on the plus side Briefly open valve 6 and 7 then close again Fill the plus side completely with the medium and remove air 4 Setmeasurement loop to operation Now Valve 3 6 and 7 are closed Valves 2 4 A and B are open Then carry out adjustment see below WIKA Operating Instructions Differential pressure transmitter DPT 10 7 Setup Measurement setup for closed vessels with steam overlay Fig 45 Preferred measurement setup for closed vessels with steam overlay DPT 10 Il 3 fold valve block lll Precipitator IV Condensate vessel 1 5 Drain valves 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 A B Blocking valves Prepare the adjustment Proceed as follows 1 Fill the vessel to just above the lower tap 2 Fill measuring system with medium Open valve A and B Open block valves Fill the minus effective pressure line on the height of the conden sation pot 3 Remove air from instrument Open valve 2 and 4 Discharge medium Open valve 3 Equalisation plus and minus side Briefly open valve 6 and 7 then close again Fill the measuring instrument completely with the medium and remove a
27. an inspection glass is required jae 6 3 Adjustment system Fig 39 Display and adjustment elements 1 LC display 2 Indication of the menu item number 3 Adjustment keys 36 WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Key functions e OK key Move to the menu overview Confirm selected menu Edit parameter Save value gt key to select Menu change Select list entry Select editing position key Change value of the parameter ESC key Interrupt input Jump to next higher menu Adjustment system The sensor is adjusted via the four keys of the display and adjust ment module The LC display indicates the individual menu items The functions of the individual keys are shown in the above illustration Approx 10 minutes after the last pressing of a key an automatic reset to measured value indication is triggered Any values not confirmed with OK will not be saved 6 4 Set parameters Introduction DPT 10 has general adjustment parameters which are also used for other measuring principles as well as instrument specific adjustment parameters The general adjustment parameters are described in the operating instructions manual Display and adjustment module The instrument specific adjustment parameters are described in this chapter Information If the adjustment limits of the adjustme
28. aning processes or on cooled or heated vessels The ventilation for the electronics housing is realised via a filter ele ment in the vicinity of the cable glands Fig 10 Position of the filter element with single and double chamber housing 1 Filter element for ventilation of the electronics housing 2 Blind plug Information Make sure that the filter element is always free of buildup during operation A high pressure cleaner may not be used for cleaning DP flow elements are calculated for certain pipeline and operating data Therefore check the pipeline data before installation at the measuring point and compare the measurement loop number Detailed instructions for mounting the DP flow element are stated in DIN EN ISO 5167 as well as in the instrument documentation from the respective manufacturer You will find general recommendations for the installation of effective pressure lines in the corresponding national or international stand ards When installing effective pressure lines outdoors consider applying suitable anti freeze protection e g tube heating Install effective pressure lines with a monotonic downward slope of at least 10 WIKA Operating Instructions Differential pressure transmitter DPT 10 13 Vibrations Temperature limits Oxygen applications A Connection plus minus side Mounting arrangement 14 In case of strong vibrations at the application position the instrument version with ext
29. ation in the display To select the adjustment unit in the example switching over from mbar to bar proceed as follows 1 Push the OK button in the measured value display the menu overview is displayed p gt Basic adjustment Display Diagnostics Service Info 2 Confirm the menu Basic adjustment with OK the menu item Unit will be displayed Unit Unit of measurement mbar V Temperature unit C A 3 Activate the selection with OK and select Units of measure ment with gt 4 Activate the selection with OK and select the requested unit with gt in the example bar 5 Confirm with OK and move to position correction with gt The adjustment unit is thus switched over from mbar to bar Information When switching over to adjustment in a height unit for example for level measurement the density also has to be entered Te Proceed as follows to enter the density 1 Push the OK button in the measured value display the menu overview is displayed 38 WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module 2 Confirm the menu Basic adjustment with OK the menu item Units of measurement will be displayed 3 Activate the selection with OK and select the requested unit with gt in the example m 4 Confirm with OK the submenu Density unit appears Unit of measurement Dens
30. d in the following housing versions and instruments e All sensors DPT 10 and IPT 1 in the single as well as double chamber housing optionally in the electronics or connection compartment e External display and adjustment unit Note You can find detailed information on the adjustment in the operating instructions manual Display and adjustment module 6 2 Insert display and adjustment module Mount Dismount display The display and adjustment module can be inserted and removed at and adjustment module any time It is not necessary to interrupt the voltage supply For installation proceed as follows 1 Unscrew the housing cover 2 Place the display and adjustment module in the desired position on the electronics you can choose any one of four different posi tions each displaced by 90 3 Press the display and adjustment module onto the electronics and turn it to the right until it snaps in 4 Screw housing cover with inspection window tightly back on Removal is carried out in reverse order The display and adjustment module is powered by the sensor an ad ditional connection is not necessary WIKA Operating Instructions Differential pressure transmitter DPT 10 35 6 Adjustment with the display and adjustment module Fig 38 Insert display and adjustment module Note If you intend to retrofit the instrument with a display and adjustment module for continuous measured value indication a higher cover with
31. d into a corresponding output signal The markings and on the process component in chapter Mounting and connection instructions must therefore be noted when connecting to the process The pressure acting on goes positive the pressure acting on goes negative into the calculation of the pressure difference The configuration of the measuring cells differs depending on the measuring range t SS Se LA KAS S S IZ ZZA f i 1 Fig 8 Metallic measuring cell 10 mbar and 30 mbar p and p process pres sures Measuring element Silicone diaphragm Separating diaphragm Filling oil Integrated overvoltage arrester OAAKR OdNMm WIKA Operating Instructions Differential pressure transmitter DPT 10 3 Product description WAG Z YAN VAK ZN Fig 9 Metallic measuring cell from 100 mbar p and p process pressures a T YA NN Measuring element Overload diaphragm Middle diaphragm Filling oil Separating diaphragm AR hY_ Voltage supply 4 20 mA two wire electronics for voltage supply and measured value transmission on the same cable The supply voltage range can differ depending on the instrument ver sion The exact range is stated in chapter Technical data The backlight of the display and adjustment module is powered by the sensor The prerequisite for this is a supply voltage at a certain level The exact vol
32. e of new regula tions 2 5 Safety label on the instrument The safety approval markings and safety tips on the device must be observed WIKA Operating Instructions Differential pressure transmitter DPT 10 5 2 For your safety 2 6 CE conformity The device fulfills the legal requirements of the applicable EC guide lines By affixing the CE marking we confirm successful testing of the product 2 Fulfillment of NAMUR recommendations The device fulfills the requirements of the applicable NAMUR recom mendations 2 8 Safety instructions for oxygen applications For instruments in oxygen applications the special instructions in chapters Storage and transport Mounting as well as Technical data under Process conditions must be noted Furthermore the valid national regulations implementation instructions and memorandums of the professional assocations must be noted 6 WIKA Operating Instructions Differential pressure transmitter DPT 10 3 Product description Scope of delivery Constituent parts 3 Product description 3 1 Configuration The scope of delivery encompasses e DPT 10 differential pressure transmitter e Depending on the version ventilation valves and or screw plugs details see chapter Dimensions e Optional accessory e Documentation this operating instructions manual Test certificate for pressure transmitters Operating instructions manual Display and adjustment mod ule optiona
33. e separating diaphragms can influence the measuring result Depending on the sensor and application take precautions to ensure that heavy buildup and espe cially a hardening thereof is avoided 8 2 Rectify faults The operator of the system is responsible for taking suitable meas ures to rectify faults DPT 10 offers maximum reliability Nevertheless faults can occur dur ing operation These may be caused by the following e g e Sensor Process Voltage supply Signal processing The first measures to be taken are to check the output signals as well as to evaluate the error messages via the display and adjustment module The procedure is described below Further comprehensive diagnostics can be carried out on a PC with the software PAC Tware and the suitable DIM In many cases the causes can be determined and the faults rectified this way Connect a multimeter in the suitable measuring range according to the wiring plan Error code Cause Rectification 4 20mA_ Level fluctuations Set the integration time via the signal not display and adjustment module or stable PACTware 4 20mA_ Wrong connection to Check connection according to signal miss voltage supply chapter Connection steps and ing if necessary correct according to chapter Wiring plan No power supply Check cables for breaks repair if necessary Operating voltage Check adapt if necessary too low or load resist anc
34. e too high Current sig Electronics module Exchange the instrument or send it nal greater or measuring cell de in for repair than 22 mA _ fective or less than 3 6 mA WIKA Operating Instructions Differential pressure transmitter DPT 10 59 8 Maintenance and fault rectification In Ex applications the regulations for the wiring of intrinsically safe circuits must be observed x Error messages via the display and adjustment module Reaction after fault recti fication 60 Error code Cause Rectification E013 no measured value Exchange the instrument or send it available in for repair E017 Adjustment span too repeat with modified values small E036 no operable sensor Carry out a software update or send software instrument for repair E041 Hardware error Exchange the instrument or send it in for repair Depending on the reason for the fault and the measures taken the steps described in chapter Set up may have to be carried out again 8 3 Instrument repair You can find information for a return shipment under Service on our local website If a repair is necessary please proceed as follows e Complete one form for each instrument e f necessary state a contamination e Clean the instrument and pack it damage proof e Attach the completed form and possibly also a safety data sheet to the instrument WIKA Operating Instructions Differential pressur
35. e transmitter DPT 10 9 Dismounting A 9 Dismounting 9 1 Dismounting steps Warning Before dismounting be aware of dangerous process conditions such as e g pressure in the vessel or pipeline high temperatures cor rosive or toxic products etc Take note of chapters Mounting and Connecting to power supply and carry out the listed steps in reverse order 9 2 Disposal The instrument consists of materials which can be recycled by spe cialised recycling companies We use recyclable materials and have designed the parts to be easily separable WEEE directive 2002 96 EG This instrument is not subject to the WEEE directive 2002 96 EG and the respective national laws Pass the instrument directly on to a spe cialised recycling company and do not use the municipal collecting points These may be used only for privately used products according to the WEEE directive Correct disposal avoids negative effects on humans and the environ ment and ensures recycling of useful raw materials Materials see chapter Technical data If you have no way to dispose of the old instrument properly please contact us concerning return and disposal WIKA Operating Instructions Differential pressure transmitter DPT 10 61 10 Supplement 10 Supplement 10 1 Technical data General data Pressure type Differential pressure Measuring principle Piezoresistive Communication interface None Materials and weights Material 316L corre
36. e value zero Pressure value span Adjustment level 120 120 zero 220 220 Adjustment range of the min max adjustment relating to the nominal measuring range 10 110 120 120 Percentage value Pressure value Adjustment flow Adjustment range of the zero span adjustment relating to the nominal measuring range 120 120 120 120 Pressure value zero Pressure value span Recommended max turn down 15 1 no limitation Nominal measuring ranges measurement limits and smallest spans to be calibrated Nominal range Lower measurement limit Upper measuring limit Smallest adjustable span 10 mbar 1 kPa 10 mbar 1 kPa 10 mbar 1 kPa 0 25 mbar 25 Pa 30 mbar 3 kPa 30 mbar 3 kPa 30 mbar 3 kPa 0 3 mbar 30 Pa 100 mbar 10 kPa 100 mbar 10 kPa 100 mbar 10 kPa 1 mbar 100 Pa 500 mbar 50 kPa 500 mbar 50 kPa 500 mbar 50 kPa 5 mbar 500 Pa 3 bar 300 kPa 3 bar 300 kPa 3 bar 300 kPa 30 mbar 3 kPa 16 bar 1600 kPa 16 bar 1600 kPa 16 bar 1600 kPa 160 mbar 16 kPa 40 bar 4000 kPa 40 bar 4000 kPa 40 bar 4000 kPa 400 mbar 40 kPa Reference conditions and actuating variables according to DIN EN 60770 1 Reference conditions according to DIN EN 61298 1 Temperature Relative humidity
37. easuring points The total level must always be above the upper measuring point This density measurement functions with open but also with closed vessel Example for an interface measurement Distance between the two measurement points 0 3 m Min density 800 kg m Max density 1000 kg m The min adjustment is carried out for the differential pressure occur ing with density 0 8 Ap pegeh 800 kg m 9 81 m s 0 3m 2354 Pa 23 54 mbar The max adjustment is carried out for the differential pressure occur ing with density 1 0 Ap pegeh 1000 kg m 9 81 m s 0 3m 2943 Pa 29 43 mbar 3 Mount DPT 10 below the lower chemical seal 4 The ambient temperature should be the same for both capillaries WIKA Operating Instructions Differential pressure transmitter DPT 10 In gases and vapours In vapour and conden sate plants Fig 28 Measurement setup with interface measurement 4 7 Measurement setup differential pressure Mount DPT 10 above the measurement loop so that condensate can drain off in the process cable Fig 29 Measurement setup with differential pressure measurement between two pipelines in gases and vapours 1 DPT 10 2 3 fold valve block 3 Blocking valves 4 Pipelines Mount DPT 10 below the measurement loop so that some con densate can collect in the effective pressure lines The ventilation is carried out via the ventilation valves on the instru ment the 5 fo
38. eeeenenaes 6 3 Product description ai COnigu ION egress eee mea eaten inner eee een gs vetoes sucess 7 3 2 Principle of OD SPAN OM aves sienctcteecacetoiedsvemcertexedacessisesteeaedcacexncetmedaxeocemeendxncmioesceantemedncouenins 8 oc A E eee ene ere te ene ne E artery anes ieee ene ener erm ereerrert 11 3 4 Packaging transport and SICT AGC x ieccssceuetdesewscesiersieesntsrsemsteedsreeemld maxiensciedseermerceneewwess 11 4 Mounting 4 1 General instructions to use the instrument cccceceseeeeeeeeceseeeseeeeeeeeaeseeeeeeeenaaeeeenees 13 4 2 Instructions for oxygen applications ccccccecessesseeeeeceeeeeeeeeceeeaeseeeeseeeeaseeeeesesaeseeeneees 14 4 3 MOUNTING and connection instructions sence ccusverscncteuseeuncecadeedseseeceven seuseeeasoddeusdenece vs veanee 14 4 4 Measurement Setup flOW cccccccseccececsesseeeeecessecseeeeseaeeeeeeeeseseasseeeeeeseeaseeeeesssasseeesenas 18 4 5 Measurement setup level isinicia cat cnceecasiatenauseaeincd vedisbcuaunskaeunsaasdhduecinedsancinadstesteskasteuidoadan 21 4 6 Measurement setup density and interface ccccccccessssseeeeceneesseeeeeeesesseeeeeeaneeeeneees 25 4 7 Measurement setup differential pressure cccccccccseesseeeeceeeeseeeeesenesseeeeeesnaaeeeneess 27 48 Mouning extemal IOUS WN ess cepa faceted tae pecusudets oonana dea EEEa e E a ia 29 49 Mslalalon GOIN oe oe wcartes amcece racists Ea EEE E EEA n 30 5 Connecting to power supply Dal
39. erial Measuring range Total Error 316L Alloy gold rhodium lt 500 mbar 0 33 of the measuring range end value year from 500 mbar 0 20 of the measuring range fi nal value Tantalum lt 500 mbar 0 48 of the measuring range end value year from 500 mbar 0 35 of the measuring range end value year Heating time all versions Warm up time lt 10s Long term stability according to DIN 16086 and IEC 60770 1 Applies to digital interfaces HART Profibus PA Foundation Fieldbus as well as to analogue cur rent output 4 20 mA Specifications refer to the measuring range final value Measuring ranges 1 year 5 years 10 mbar 100 mbar 0 18 500 mbar 3 bar 16 bar 0 05 0 125 Ambient conditions Ambient storage and transport temperature Standard version 40 80 C 40 176 F Version for oxygen applications 40 60 C 40 140 F Versions IP 66 IP 68 1 bar connec 20 60 C 4 140 F tion cable PE WIKA Operating Instructions Differential pressure transmitter DPT 10 67 10 Supplement Versions IP 66 IP 68 1 bar and IP 68 20 connection cable PUR 80 C 4 176 F Process conditions The pressure and temperature specifications are used as overview In general the max pressure for the pressure transmitter depends on the weakest with regard to pressure link In detail the respective specifications of the t
40. ernal electronics should be used Higher process temperatures often mean also higher ambient tem peratures for electronics and connection cable Make sure that the upper temperature limits stated in chapter Technical data for the environment of the electronics housing and connection cable are not exceeded 4 2 Instructions for oxygen applications Oxygen and other gases can be explosive when brought into contact with oils grease and plastics so the following measures must also be taken e All components of the plant such as e g measuring instru ments must be cleaned according to the requirements of BAM DIN 19247 e Depending on the seal material certain temperatures and pres sures must not be exceeded in oxygen applications see chapter Technical data Danger Instruments for oxygen applications must be unpacked just before mounting After removing the protective cover of the process fitting the label O will be visible on the process fitting Penetration of oil grease and dirt should be avoided Danger of explosion 4 3 Mounting and connection instructions When connecting the DPT 10 to the measurement loop take note of the plus minus side of the process component The plus side is marked with a the minus side with a on the process compo nent next to the oval flanges Fig 11 Marking for plus minus side on the process component 1 Plus side 2 Minus side The following illustration shows the element
41. fferential pressure transmitter DPT 10 Blocking valves DPT 10 Precipitator Drain valves 3 fold valve block In closed vessels with 1 Mount DPT 10 directly to the vessel single chemical seal 2 Connect minus side always above the max level 3 For measurements in products with solid content such as e g dirty liquids the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment Fig 23 Measurement setup level measurement in closed vessel Blocking valve Precipitator Drain valve DPT 10 AR hY_ In closed vessels with 1 Mount DPT 10 below the lower chemical seal double chemical seal 2 The ambient temperature should be the same for both capillaries Information L Level measurement is only ensured between the upper edge of the lower and the lower edge of the upper chemical seal Fig 24 Measurement setup level measurement in closed vessel 1 DPT 10 In closed vessels with 1 Mount DPT 10 below the lower measurement connection so that steam layering with effec the effective pressure lines are always filled with liquid tive pressure line p 2 Connect minus side always above the max level WIKA Operating Instructions Differential pressure transmitter DPT 10 23 3 The condensate vessel ensures a constant pressure on the minus side 4 For measurements in products with solid content such as e g dirty liquids the installation of separators
42. find detailed information on the application range in chapter Product description Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions For safety and warranty reasons any invasive work on the device beyond that described in the operating instructions manual may be carried out only by personnel authorised by the manufacturer Arbi trary conversions or modifications are explicitly forbidden 2 3 Warning about incorrect use Inappropriate or incorrect use of the instrument can give rise to application specific hazards e g vessel overfill or damage to system components through incorrect mounting or adjustment 2 4 General safety instructions This is a high tech instrument requiring the strict observance of stand ard regulations and guidelines The user must take note of the safety instructions in this operating instructions manual the country specific installation standards as well as all prevailing safety regulations and accident prevention rules The instrument must only be operated in a technically flawless and reliable condition The operator is responsible for trouble free opera tion of the instrument During the entire duration of use the user is obliged to determine the compliance of the necessary occupational safety measures with the current valid rules and regulations and also take not
43. g system with medium For this purpose open valves A B if available as well as 2 4 Medium flows in If necessary clean the differential pressure lines with gases by blowing out with compressed air with liquids by rinsing For this purpose close valve 2 and 4 i e block the instrument Then open valve 1 and 5 so that the effective pressure lines blow out rinse Close valves 1 and 5 if available after cleaning 3 Remove air from instrument Open valves 2 and 4 Medium flows in Close valve 4 Minus side is closed Open valve 3 Equalisation plus and minus side Briefly open valve 6 and 7 then close again Fill the measuring instrument completely with the medium and remove air 4 Carry out a position correction if the following conditions apply If the conditions are not fulfilled then carry out the position correc tion after step 6 Conditions The process cannot be sealed off The pressure extraction points A and B are at the same geo desic height 5 Put measurement loop into operation Close valve 3 Separate plus and minus side Open valve 4 Connect minus side Now Valves 1 3 5 6 and 7 are closed Valves 2 and 4 are open Valves A and B open 6 Carry out position correction if flow can be blocked In this case step 5 is not required Then carry out adjustment see chapter Set parameters 7 3 Level measurement Instructions For level measurements all versions of DPT 10 are employed DPT
44. he data are written into the sensor under the menu item Copy sensor data WIKA Operating Instructions Differential pressure transmitter DPT 10 49 7 Setup Instructions Measurement setup for gases 50 7 Setup 7 1 Select the mode The following operating modes can be set on DPT 10 e Flow measurement e Level measurement e Differential pressure measurement 7 2 Flow measurement In flow measurement DPT 10 is normally used without a chemical seal Before adjusting DPT 10 you have to clean the effective pressure lines and the instrument must be filled with the medium Fig 40 Preferred measurment setup for gases DPT 10 Il 3 fold valve block 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 A B Blocking valves WIKA Operating Instructions Differential pressure transmitter DPT 10 7 Setup Fig 41 Prefered measurement setup for gases connection via 3 fold valve block flanging on both sides DPT 10 Il 3 fold valve block 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 Measurement setup for liquids Fig 42 Preferred measurement setup for liquids DPT 10 Il 3 fold valve block lll Precipitator 1 5 Drain valves 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 A B Blocking valves Prepare the adjustment Proceed as follows 1 Close valve 3 WIKA Operating Instructions Differential pressure transmitter DPT 10 51 2 Fill measurin
45. he requested value with and gt 3 Confirm with OK and move to the menu overview with ESC For an adjustment with pressure simply enter the actual measured value indicated at the bottom of the display The span adjustment is finished bale 40 WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Min adjustment with level Proceed as follows 1 Edit the value in the menu item Min adjustment with OK Min adjustment 0 00 aa 0 0000 bar 0 0000 bar 2 Set the requested value with and gt 3 Confirm with OK and edit the requested bar value 4 Set the requested bar value with and gt 5 Confirm with OK and move to max adjustment with gt For an adjustment with filling simply enter the actual measured value indicated at the bottom of the display The min adjustment is finished Max adjustment with Proceed as follows Edit the value in the menu item Max adjustment with OK 100 00 D level 3 0 5000 bar 0 0000 bar Information If the instrument has not yet been adjusted the displayed pressure for 100 corresponds to the nominal measuring range of the sensor in the above example 500 mbar 2 Set the requested value with gt and OK 3 Confirm with OK and edit the requested mbar value 4 Set the requested value with and gt 5 Confirm with OK a
46. ics and connection compartment single chamber housing 1 Spring loaded terminals for voltage supply 2 Ground terminal for connection of the cable screen WIKA Operating Instructions Differential pressure transmitter DPT 10 33 5 Connecting to power supply Wiring plan Fig 36 Wiring plan single chamber housing 1 Voltage supply Signal output 5 4 Version IP 66 IP 68 1 bar Wire assignment con nection cable Fig 37 Wire assignment connection cable 1 brown and blue to power supply or to the processing system 2 Shielding 5 5 Switch on phase Switch on phase After connecting DPT 10 to power supply or after a voltage recur rence the instrument carries out a self check for approx 30 seconds e Internal check of the electronics e Indication of the instrument type the firmware as well as the sen sor TAGs sensor designation e Output signal jumps briefly approx 10 seconds to the set fault current Then the corresponding current is outputted to the cable the value corresponds to the actual level as well as the settings already carried out e g factory setting 34 WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module 6 Adjustment with the display and adjustment module 6 1 Short description Function Configuration The display and adjustment module is used for measured value display adjustment and diagnosis It can be mounte
47. iffer depending on the instrument version The exact range is stated in the Technical data in the Supplement Provide a reliable separation between the supply circuit and the mains circuits according to DIN EN 61140 VDE 0140 1 Keep in mind the following additional factors that influence the operat ing voltage e Output voltage of the power supply unit can be lower under nomi nal load with a sensor current of 20 5 mA or 22 mA in case of fault message e Influence of additional instruments in the circuit see load values in chapter Technical data The instrument is connected with standard two wire cable without screen If electromagnetic interference is expected which is above the test values of EN 61326 for industrial areas screened cable should be used Use cable with round cross section A cable outer diameter of 5 9 mm 0 2 0 35 in ensures the seal effect of the cable gland If you are using cable with a different diameter or cross section exchange the seal or use a suitable cable gland If screened cable is necessary connect the cable screen on both ends to ground potential In the sensor the screen must be connected directly to the internal ground terminal The ground terminal on the outside of the housing must be connected to the potential equalisa tion low impedance If potential equalisation currents are expected the connection on the processing side must be made via a ceramic capacitor e g 1 nF 1
48. ification Si Maintenant S permisar E A ER 59 62 Recniy auls sas E E E 59 8 3 instrument POON a2 oetcrcpsansca inte tienes cote aininn anisina aan KE ANNAKR AAN aeae EKAN anieri ia 60 Dismounting 941 Digmouning Stepa esos oe ee 61 we D PO e e E E E eee ene ree 61 Supplement MOM Teeme ANA anaE EE APA EEEE 62 102 DIMEN ON AR EAA EEEE ESS 71 Safety instructions for Ex areas Please note the Ex specific safety information for installation and op Ex eration in Ex areas These safety instructions are part of the operating instructions manual and come with the Ex approved instruments Editing status 2013 07 11 WIKA Operating Instructions Differential pressure transmitter DPT 10 3 1 About this document 1 About this document 1 1 Function This operating instructions manual provides all the information you need for mounting connection and setup as well as important instruc tions for maintenance and fault rectification Please read this informa tion before putting the instrument into operation and keep this manual accessible in the immediate vicinity of the device 1 2 Target group This operating instructions manual is directed to trained specialist personnel The contents of this manual should be made available to these personnel and put into practice by them 1 3 Symbolism used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can
49. int the density measurement is interrupted This density measurement functions with open but also with closed vessels Make sure that small density changes cause only small changes to the measured differential pressure Select a suitable measuring range The density measurement is carried out in the mode level measure ment 1 Mount DPT 10 below the lower chemical seal 2 The ambient temperature should be the same for both capillaries Example for a density measurement Distance between the two measurement points 0 3 m Min density 1000 kg m Max density 1200 kg m Measured differential pressure Ap p egeh The min adjustment is carried out for the differential pressure meas ured at density 1 0 Ap pegeh 1000 kg m 9 81 m s 0 3 m 2943 Pa 29 43 mbar WIKA Operating Instructions Differential pressure transmitter DPT 10 25 Interface measurement 26 The max adjustment is carried out for the differential pressure meas ured at density 1 2 Ap pegeh 1200 kg m 9 81 m s 0 3 m 3531 Pa 35 31 mbar Fig 27 Measurement setup with density measurement In a vessel with varying level an interface measurement with a dif ferential pressure transmitter can be realized The connection on the vessel is carried out via a chemical seal on two measuring points An interface measurement is only possible if the densities of the two products remain the same and the interface is always between the two m
50. ir 4 Put measurement loop into operation Close valve 3 Separate plus and minus side Open valve 4 Connect minus side Now Valve 3 6 and 7 are closed WIKA Operating Instructions Differential pressure transmitter DPT 10 55 7 Setup Instructions Measurement setup for gases 56 Valves 2 4 Aand B are open Then carry out adjustment see chapter Set parameters 7 4 Density and interface measurement For density and interface measurements DPT 10 with double chemi cal seal is used DPT 10 in this version is immediately ready for operation 7 5 Differential pressure measurement For differential pressure measurements DPT 10 without chemical seal or with double chemical seal is used DPT 10 with double chemical seal is immediately ready for operation Before adjusting DPT 10 without chemical seal the effective pressure lines must be cleaned and the instrument filled with medium Fig 46 Preferred measurment setup for gases DPT 10 Il 3 fold valve block 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 A B Blocking valves WIKA Operating Instructions Differential pressure transmitter DPT 10 7 Setup Measurement setup for liquids Fig 47 Preferred measurement setup for liquids DPT 10 Il 3 fold valve block lll Precipitator 1 5 Drain valves 2 4 Inlet valves 3 Breather valve 6 7 Vent valves on DPT 10 A B Blocking valves Prepare the adjustment Proceed as fo
51. ity unit p gt kg dm pcf 5 Select the requested unit e g kg dm with gt and confirm with OK the submenu Density appears Unit of measurement Density 0001000 kg dm 6 Enter the requested density value with gt and confirm with OK and move to position correction with gt The adjustment unit is thus switched over from bar to m Proceed as follows to select the temperature unit 1 Activate the selection with OK and select Temperature unit with gt 2 Activate the selection with OK and select the requested unit with gt e g F 3 Confirm with OK The temperature unit is hence switched over from C to F Position correction The position correction compensates the influence of the installation position of the instrument on the measured value In this menu item the offset value as well as the current measured value are displayed Proceed as follows 1 Activate in the menu item Position correction the selection with OK Position correction Offset 0 0000 bar DP 0 0035 bar 2 Select with gt e g to accept the actual measured value 0 0035 bar Position correction Accept current measured value gt Accept Edit 3 Confirm with OK WIKA Operating Instructions Differential pressure transmitter DPT 10 39 6 Adjustment with the display and adjustment module Position correction Offset 0 0035 bar DP 0 0000 bar
52. l Ex specific Safety instructions with Ex versions if necessary further certificates The following illustration shows the components of DPT 10 Fig 1 DPT 10 in basic version 1 Housing cover optionally with integrated display and adjustment module 2 Housing with electronics 3 Process component with measuring cell The components are available in different versions The nameplate contains the most important data for identification and use of the instrument WIKA Operating Instructions Differential pressure transmitter DPT 10 7 3 Product description Oranan Transmitter DPT 10 D range 100mbar 10kPa Oo 20mA HART Ov 36 VDC Gp mrocess pressure 160bar 16000kPa process temperature 20 4 85 C seal process connection FKM fone DPT 10 ZZ R1BDT DZSVDACZZ ZZ Dy order no 1853621 002 2012 wka Alexander Wiegand SE amp Co KG MKA Klingenberg Germany s n 23599781 Fig 2 Layout of the type label example 1 Instrument type 2 Field for approvals 3 Measuring range 4 Signal output Supply voltage 5 Process pressure Process temperature 6 Seal material 7 Product code 8 Order number 9 Serial number of the instrument 10 ID numbers instrument documentation 3 2 Principle of operation Application area DPT 10 is a differential pressure transmitter for measurement of flow level differential pressure density and interface Measured products are gases vapours and liq
53. ld valve block enables blowing out the cables WIKA Operating Instructions Differential pressure transmitter DPT 10 27 In liquids 28 Fig 30 Measurement setup with differential pressure measurement between a vapour and a condensate cable OaAAR DY Vapour cable Condensate cable Blocking valves Condensate vessels 5 fold valve block DPT 10 Mount DPT 10 below the measurement loop so that the effective pressure lines are always filled with liquid and gas bubbles can bubble up to the process line For measurements in products with solid content such as e g dirty liquids the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment Fig 31 Measurement setup flow measurement in liquids OaAR dDY E g filter Blocking valves DPT 10 Precipitator Drain valves 3 fold valve block WIKA Operating Instructions Differential pressure transmitter DPT 10 When chemical seal 1 Mount chemical seal with capillaries on top or laterally on the systems are used in all pipeline products 2 In vacuum applications Mount DPT 10 below the measurement loop 3 The ambient temperature should be the same for both capillaries Fig 32 Measurement setup differential pressure measurement in gases vapours and liquids Chemical seal with bolting Capillaries E g filter DPT 10 A hm 4 8 Mounting external housing 1 Mark the holes according to the
54. llows 1 Close valve 3 2 Fill measuring system with medium Open valves A B 2 4 Medium flows in If necessary clean the differential pressure lines with gases by blowing out with compressed air with liquids by rinsing Close valve 2 and 4 block the instrument Open valve 1 and 5 Close valve 1 and 5 3 Remove air from instrument Open valves 2 and 4 Medium flows in Close valve 4 Minus side is closed Open valve 3 Equalisation plus and minus side Briefly open valve 6 and 7 then close again Fill the measuring instrument completely with the medium and remove air 4 Put measurement loop into operation Close valve 3 Separate plus and minus side Open valve 4 Connect minus side Now 3 Arrangement with 5 valves WIKA Operating Instructions Differential pressure transmitter DPT 10 57 Valves 1 3 5 6 and 7 are closed Valves 2 and 4 are open Valves A and B open if present Then carry out adjustment see chapter Set parameters 4 Valves 1 3 5 Configuration with 5 valves 58 WIKA Operating Instructions Differential pressure transmitter DPT 10 8 Maintenance and fault rectification Maintenance Reaction when malfunc tions occur Failure reasons Fault rectification Check the 4 20 mA signal 8 Maintenance and fault rectification 8 1 Maintenance If the instrument is used properly no special maintenance is required in normal operation In some applications product buildup on th
55. nd move to the menu overview with ESC For an adjustment with filling simply enter the actual measured value indicated at the bottom of the display The max adjustment is finished Min adjustment with For the min adjustment with density a filling of the vessel is not density necessary The numeric examples are stated in chapter Mounting Measurement setup Density and interface of this instructions manual Proceed as follows 1 Edit the value in the menu item Min adjustment with OK Min adjustment 0 00 aa 0 0000 bar 0 0000 bar Set the requested value with and gt for example 100 Confirm with OK and edit the requested bar value gt U Set the requested bar value with and gt for example 29 4 mbar WIKA Operating Instructions Differential pressure transmitter DPT 10 41 6 Adjustment with the display and adjustment module Max adjustment with density EE Min adjustment with flow pae 42 5 Confirm with OK and move to max adjustment with gt For an adjustment with filling simply enter the actual measured value indicated at the bottom of the display The min adjustment is finished For the max adjustment with density a filling of the vessel is not necessary The numeric examples are stated in chapter Mounting Measurement setup Density and interface of this instructions manual Proceed as follows 1 Edit the value in the menu item Max
56. nless steel housing 4g 1g Double chamber stainless steel hous lt 1g ing Shock resistance Acceleration 100 g 6 ms Electromechanical data version IP 66 IP 67 Cable entry plug Single chamber housing Spring loaded terminals for wire cross section Display and adjustment module Voltage supply and data transmission Indication Adjustment elements Protection rating unassembled 1 x cable gland M20 x 1 5 cable 5 9 mm 1x blind plug M20 x 1 5 or 1 x closing cap 12 NPT 1 x blind plug 2 NPT or 12x plug depending on the version 12x blind stopper M202x2H 5 Or 2x blind plug M20 x 1 5 lt 2 5 mm AWG 14 through the sensor LC display in dot matrix 4 keys IP 20 mounted into the sensor without cover IP 40 Material WIKA Operating Instructions Differential pressure transmitter DPT 10 69 10 Supplement Housing ABS Inspection window Polyester foil Voltage supply Operating voltage Non Ex instrument 12 36V DC Ex ia instrument 12 30V DC Ex d instrument 18 36 V DC Operating voltage with illuminated display and adjustment module Non Ex instrument 20 36 V DC Ex ia instrument 20 30 V DC Ex d instrument 20 36 V DC Permissible residual ripple lt 100 Hz U lt 1V 100 Hz 10 kHz U lt 10 mV Load see diagram Fig 50 Voltage diagram 1 Voltage limit Ex i
57. nt parameters are exceeded the message Outside parameter limits appears The editing proce dure can be aborted with ESC or the displayed limit value can be accepted with OK Application The DPT 10 can be used for differential pressure level flow as well as density and interface measurement The selection of the respective application is carried out in the menu item Application Dependent on the selected application the adjustment is carried out as zero span or min max adjustment Information The applications density and interface measurement are also realized via the application level measurement Proceed as follows to switch over to the application differential pres sure or flow measurement 1 Push the OK button in the measured value display the menu overview is displayed WIKA Operating Instructions Differential pressure transmitter DPT 10 37 6 Adjustment with the display and adjustment module p gt Basic adjustment Display Diagnostics Service Info 2 Confirm the menu Basic adjustment with OK Application Level V 3 Confirm the menu item Application with OK Warning A N Note the warning Output can change 4 Select with gt OK and confirm with OK 5 Select the requested application in the selection list for example Flow and confirm with OK Unit of measurement In this menu item you select the adjustment unit as well as the unit for the temperature indic
58. on Connection Fastening Material Scope of delivery 2 1 4 18 NPT PN 160 M10 PN AISI 316L incl 2 vent valves IEC 61518 420 M12 316L 3 1 4 18 NPT PN 160 M10 PN Alloy C276 without valves clos IEC 61518 420 M12 ing screws Oval flange connection 4 18 NPT or RC 1 4 with lateral ventilation Fig 56 10 mbar and 30 mbar measuring cell 2 E a s mM q Version Connection Fastening Material Scope of delivery C 1 4 18 NPT 7 16 20 UNF Steel C 22 8 incl 4 closing screws IEC 61518 AISI 316L and 2 ventilation valves E 1 4 18 NPT 7 16 20 UNF AISI 316L incl 4 closing screws IEC 61518 AISI 316L and 2 ventilation valves H 1 4 18 NPT 7 16 20 UNF Alloy C276 without valves clos IEC 61518 ing screws V RC 1 4 7 16 20 UNF AISI 316L incl 4 closing screws AISI 316L and 2 ventilation valves 74 WIKA Operating Instructions Differential pressure transmitter DPT 10 10 Supplement Oval flange prepared for chemical seal connection 7 16 20 UNF M 10 M12 J A aw LD K Dah YUM pn W LD Fig 57 left Process fitting DPT 10 prepared for chemical seal assembly right Position of the copper ring seal 1 Chemical seal connection 2 Copper ring seal 3 Cup diaphragm WIKA Operating Instructions Differential pressure transmitter DPT 10 75 INDEX A Adjustment Unit 38 with density 41 42 with differential
59. pressure 40 with flow 42 43 with level 41 Application area Density measurement 9 Differential pressure measurement 9 Flow measurement 8 Interface measurement 10 Level measurement 9 C Cable screening and grounding 31 Connection cable 31 Copy sensor data 44 D Density measurement 25 Differential pressure measurement In gases and vapours 27 n liquids 28 In vapour and condensate plants 27 Disposal 61 E Effective pressure lines 13 Effective pressure transmitter 13 Electronics and connection compartment 33 Error messages 60 F Fault rectification 59 Flow measurement In gases 18 n liquids 20 In vapours 19 Functional principle 10 Interface measurement 26 L Leak flow volume suppression 43 Level measurement In the closed vessel 22 23 24 In the open vessel 21 22 Linearization curve with level 43 Maintenance 59 Mounting arrangement 14 O Oxygen applications 14 P Position correction 39 Process conditions 13 R Recycling 61 S Setup Differential pressure measurement 56 57 Flow measurement 50 51 Level measurement 53 54 55 T Totalizer 44 Tube mounting 14 Type plate 7 V Valve blocks 3 fold valve block 15 17 3 fold valve block flanging on both sides 16 Introduction 15 Voltage supply 11 W WEEE directive 61 Wiring plan 34 76 WIKA Operating Instructions Differential pressure transmitter DPT 10 WIKA Operating
60. s for a tube mounting and an example for a mounting arrangement with valve block WIKA Operating Instructions Differential pressure transmitter DPT 10 6 E90 Fig 12 Mounting arrangement with tube mounting 1 Strap for tube mounting 2 Mounting bracket 3 Ventilation valve 4 Fixing screws 5 DPT 10 6 PTFE seal 7 Valve block 8 Oval flange adapter 9 Fixing screws 10 Effective pressure line Valve blocks Valve blocks enable the simple installation and setup of the differential pressure transmitter They separate the pressure transmitter from the process side and enable also a check of the measurement loop They are available as 3 fold and 5 fold version The integrated equalization valve enables a pressure compensation between plus and minus side during the setup Thanks to the valve block it is possible to dismount the DPT 10 without interrupting the process This means higher plant availability and simpler setup or maintenance The 3 fold valve block with flanging on both sides enables a mechani cally stable connection between the DPT 10 and e g the tapping points or the flange plate of a pitot tube With the five fold valve block two additional valves allow blowing out the process lines or checking the DPT 10 in installed condition Connect 3 fold valve The following illustration shows the connection of the 3 fold valve block block WIKA Operating Instructions Differential pressure transmitter DPT 10 15
61. sponds to stainless steel 1 4404 or 1 4435 Materials wetted parts Process fitting with lateral flanges C22 8 316L Alloy C276 Separating diaphragm 316L Alloy C 276 Tantalum Alloy C 276 gold rhodium coated Seal FKM Viton FKM cleaned from oil and grease FKM for oxygen application PTFE PTFE for oxygen application NBR copper copper for oxygen application Screw plugs 316L Internal transmission liquid Synthetic oil Halocarbon oil Materials non wetted parts Electronics housing Plastic PBT polyester Alu die casting powder coated External electronics housing plastic PBT Polyester Socket wall mounting plate external plastic PBT Polyester electronics housing Seal between housing socket and wall TPE fixed connected mounting plate Seal ring housing cover Silicone Inspection window in housing cover Polycarbonate UL 746 C listed for display and adjustment module Screws and nuts for lateral flange PN 160 hexagon screw ISO 4014 M12 x 90 A4 PN 420 hexagon nut ISO 4032 M12 A4 bs Ground terminal 316Ti 316L Ohmic contact Between ground terminal and process fitting Connection cable with version IP 68 PE 1 bar Connection between IP 68 transmitter PUR and external electronics housing Type label support with IP 68 version PE hard on cable Max torque screws mounting strap 30 Nm Max torque screws socket external 5 Nm 3 688 Ibf ft housing
62. tage specifications are stated in chapter Technical data 3 3 Adjustment The instrument can be adjusted with the following adjustment media e With the display and adjustment module 3 4 Packaging transport and storage Packaging Your instrument was protected by packaging during transport Its Capacity to handle normal loads during transport is assured by a test based on ISO 4180 The packaging of standard instruments consists of environment friendly recyclable cardboard For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies Caution Instruments for oxygen applications are sealed in PE foil and provided with a label Oxygen Use no Oil Remove this foil just before mount ing the instrument See instruction under Mounting Transport Transport must be carried out in due consideration of the notes on the transport packaging Nonobservance of these instructions can cause damage to the device Transport inspection The delivery must be checked for completeness and possible transit damage immediately at receipt Ascertained transit damage or con cealed defects must be appropriately dealt with WIKA Operating Instructions Differential pressure transmitter DPT 10 11 3 Product description Up to the time of installation the packages must be left closed and stored according to the orientation and storage markings on the outside Storage Storage and
63. tial equalisation currents flow over the cable screen In case of grounding on both sides this can be achieved by the use of a capacitor or a separate potential equalisation 5 2 Connection procedure Proceed as follows 1 Unscrew the housing cover 2 Ifa display and adjustment module is installed remove it by turn ing it to the left 3 Loosen compression nut of the cable entry 4 Remove approx 10 cm of the cable mantle strip approx 1 cm insulation from the individual wires 5 Insert the cable into the sensor through the cable entry 6 Lift the opening levers of the terminals with a screwdriver see following illustration 7 Insert the wire ends into the open terminals according to the wir ing plan 8 Press down the opening levers of the terminals you will hear the terminal spring closing 9 Check the hold of the wires in the terminals by lightly pulling on them 10 Connect the screen to the internal ground terminal connect the outer ground terminal to potential equalisation 11 Tighten the compression nut of the cable entry The seal ring must completely encircle the cable 12 Screw the housing cover back on The electrical connection is hence finished WIKA Operating Instructions Differential pressure transmitter DPT 10 5 Connecting to power supply Fig 34 Connection steps 6 and 7 5 3 Single chamber housing Electronics and connec tion compartment T 1 Fig 35 Electron
64. tings 48 WIKA Operating Instructions Differential pressure transmitter DPT 10 6 Adjustment with the display and adjustment module Service Basic adjustment Display Diagnostics gt Service Info Current output Characteristic 4 20 mA V Fail mode lt 3 6 mA V Min current 3 8 mA V max current 20 5 mA W 4 d Copy sensor data Copy sensor data Simulation 4 Language Start simulation V Select reset V Deutsch V Enable Info Basic adjustment Display Diagnostics Service gt Info Instrument type Serial number 12345678 5 Date of manufacture 5 Last change using PC 5 Sensor characteristics 5 Display now Software version 6 12 Saving the parameter adjustment data We recommended noting the adjusted data e g in this operating instructions manual and archiving them afterwards They are thus available for multiple use or service purposes If DPT 10 is equipped with a display and adjustment module the most important data can be read out of the sensor into the display and adjustment module The procedure is described in the operating instructions manual Display and adjustment module in the menu item Copy sensor data The data remain there permanently even if the sensor power supply fails If it is necessary to exchange the sensor the display and adjustment module is inserted into the replacement instrument and t
65. transport temperature 12 Unless otherwise indicated the packages must be stored only under the following conditions Not in the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see chapter Supplement Technical data Ambient conditions Relative humidity 20 85 WIKA Operating Instructions Differential pressure transmitter DPT 10 Suitability for the process conditions Moisture Ventilation Effective pressure trans mitter Effective pressure lines 4 Mounting 4 1 General instructions to use the instrument Make sure that all parts of the instrument coming in direct contact with the process especially the sensor element process seal and process fitting are suitable for the existing process conditions such as process pressure process temperature as well as the chemical properties of the medium You can find the specifications in chapter Technical data and on the nameplate Use the recommended cables see chapter Connecting to power supply and tighten the cable gland You can give the instrument additional protection against moisture penetration by leading the connection cable downward in front of the cable entry Rain and condensation water can thus drain off This ap plies mainly to outdoor mounting as well as installation in areas where high humidity is expected e g through cle
66. uids Flow measurement Fig 3 Flow measurement with DPT 10 and DP flow element Q flow Ap differential pressure Ap P P 1 Orifice 2 Pitot tube 8 WIKA Operating Instructions Differential pressure transmitter DPT 10 3 Product description Level measurement Fig 4 Level measurement with DPT 10 Ap differential pressure p density of the medium g acceleration of gravity 1 Basic version with effective pressure lines 2 Version with flange chemical seal 3 Version with capillaries and cell chemical seals Differential pressure measurement Fig 5 Differential pressure measurement with DPT 10 1 Filter 2 DPI 10 Density measurement Fig 6 Density measurement with DPT 10 h defined mounting distance Ap differential pressure p density of the medium g acceleration of gravity 1 DPI 10 WIKA Operating Instructions Differential pressure transmitter DPT 10 9 3 Product description Interface measurement Functional principle 10 Fig 7 Interface measurement with DPT 10 1 DPT 10 2 Liquid with higher density 3 Liquid with lower density A metallic measuring cell is used as sensor element The process pressures are transmitted via the separating diaphragms and filling oils to a resistance measuring bridge semi conductor technology The difference between the acting pressures generates a change in the bridge voltage This change is measured further processed and converte
67. xt menu item with the gt key Caution Note the following if the DPT 10 with corresponding approval is used as part of an overfill protection system according to WHG Water Resources Act If a linearization curve is selected the measuring signal is no longer necessarily linear to the filling height This must be considered by the user especially when adjusting the switching point on the limit signal transmitter In some application small flow quantities should not be detected With the creeping quantity suppression the flow value can be sup pressed up to a certain value The default value is 5 of the max flow value corresponding to 0 25 of the max differential pressure value The limit value is 50 This function depends on the selected linearization function and is only available with root extracted charac teristics WIKA Operating Instructions Differential pressure transmitter DPT 10 43 6 Adjustment with the display and adjustment module Total amounts counter and subtotalizer with flow Copy sensor data 44 The square root bidirectional square root characteristics is very steep at the zero point This means that small changes in the measured differential pressure cause big changes in the output signal The leak volume suppression stabilises the signal output The DPT 10 has two internal totalizers For both you can adjust vol ume or mass as count function as well as separately the unit Proceed as
68. ype label apply Process temperature limits Specifications apply to the basic version as well as to the minus side with version with single chemical seal With measuring cells PN 420 Lower temperature limit 10 C 14 F With effective pressure lines longer 40 120 C 40 248 F than 100 mm With effective pressure lines longer 40 120 C 40 248 F than 100 mm process fitting steel C22 8 Specifications apply to suitable chemical seals Chemical seal CSS plus side CSB 40 400 C 40 752 F both sides Process temperature limits according to the seal material Seal material Temperature limits FKM 20 85 C 4 185 F FFKM Kalrez 6375 5 85 C 23 185 F EPDM 40 85 C A 185 F PTFE 40 85 C 40 185 F NBR 20 85 C 4 185 F Copper 40 85 C 40 185 F Copper for oxygen application 20 60 C 4 140 F FKM cleaned 10 85 C 14 185 F FKM for oxygen application 10 60 C 4 140 F PTFE for oxygen application 20 60 C 4 140 F Process pressure limits according to measuring range Nominal range Nominal pressure Overload one sided Overload two sided 10 mbar 1 kPa 160 bar 16000 kPa 160 bar 16000 kPa 240 bar 24000 kPa 30 mbar 3 kPa 160 bar 16000 kPa 160 bar 1

Operating Instructions Differential pressure transmitter DPT-10

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