PT60 - Pondus Instruments
Contents
1. buttons H Autozero None None Both simultaneously puts the applied pressure as zero out Switch positions PT60H Position Function 0 1 10 s Increases time Both simultaneously gives 4 MA Both simultaneously gives 0 1 s The output signal shows the time constant according to 10mA 1mA 1s Locking of current Sets 4 mA Sets 20 MA ee Both simultaneously puts Autozero Activate None the applied pressure as zero out One button press gives 0 1 mA in position C and D A continuously pressed button has a rate of change of 0 1 mA 0 5 s After 5 s the rate of change is increased to 1 mA 1 s In position E one button press gives 0 1 s between 0 1 3 s and 1 s between 3 10 s The output signal shows the time constant according to 10 mA 1 mA 1 s E mre constan Decreases time 0 1 10 s i PT60PA and PT60FF PT60PA and PT60FF have no adjustments direct on the transmitter The adjustments are only accessible via the communi cation Generic software tools for PA and FF can be used See description in the User s Manual for PT60PA FF released 2001 Outline mm R11 2 ext 92 5 diam 70 Transmitter size Maintenance and repair To obtain longtime and faultless operation of PT60 some maintenance must be performed periodically The time between maintenance depends on different conditions for example transmitter type type of media surrounding environment For example corrosive media or par2. DIN11851 50 mm 7 8 C E A screw connected transmitter giving a hygienic connection for example used in the Dairy industry The exposed diaphragm has direct contact with the media which make it possible for the transmitter to measure even viscouse liquid media without becoming silted up The transmitter is installed in accordance with the Rd 60 6 connection of SMS 1146 DIN 405 and DIN 11851 The transmitter is screwed to the connector Exceptions Normaly not available with tantalum or stainless steel diaphragm The highest pressure range for DIN11851 40 is 2 MPa The highest pressure range for SMS Rd60 6 is 8 MPa Transmitter removable during operation 6 This transmitter type is intended for liquid media even with viscous or fibre rich media The extended diaphragm is in connection with the media without any pocket inside the tank or pipe The transmitter can be exchanged during operation and comprises three parts the transmitter a ball valve and a welded casing compression flange This compression flange is designed to fit an ANSI or DIN 80 mm 83 flange and may be installed to measure levels according to the hydrostatic principle Exceptions Normaly not available with tantalum diaphragm The highest pressure range for this transmitter type is 2 MPa Differential pressure transmitter G H and T Differential pressure transmitters is used to meausre the difference between two pressures The
3. at max measuring range 35 kPa Max 15 MPa static A Less than 0 08 per o al gt Working pressure pressure Flange 4 MPa Long time stability Overload 7 kPa Max 100 kPa Vibration tolerance a Series resistance de pendant Less than 0 1 Function Operating range Adjustable from the max pressure range to 1 30 of Temperature tolerance this Measuring span Adjustable from 100 Zero point suppression to 100 of the max pressure range value 35 kPa Max 250 kPa Perpendicular to diaphragm Max 0 3 kPa G 200 kPa Max 500 kPa Parallel to diaphragm Max 0 02 kPa G Meets tests according to 2 MPa Max 3 MPa Vibration test 1EC770 and DNV class B 4 8 10 15 MPa Max 30 MPa Repeatability oa a Or Stainless steel Hastelloy ce PaA u ai or z e 6 b e Material Diaphragm aa i ean Accuracy linearity hysteresis ahd 8S Up q repeatability Related parts Stainless steel 1 4435 Installation Tees ii aaa connection Housing Stainless steel 1 4306 Electrical connection Internal terminal block Interchangeable between 0 1 10 s As delivered Cable ey Pg11 for round cable 5 12 O 1 s mm Media temperature 150 C Protection class 4 20 mA two wire connection the signal proportional to pressure Output signal Max current at overload Electrical safety Meets the EN60204 1 22 5 mA HART Profibus PA or FF communication 2 Meets the Su
4. easily affected part of the transmitter If the media is corrosive consider choosing the right diaphragm material If there is any uncertainty please contact us for advise If existing diaphragm types is not Sufficient it is possible to deliver transmitters with diaphragm coatings for example teflon epoxy rubber Please contact us for information Even though a diaphragm material is sufficient for a corrosive media it will be slightly affected This imply that the measurement will be slightly changed over time especially the zero point This can be corrected by performing a maintenance calibration or a recalibration The transmitters electronic and electric connection housing is approved for IP66 Use round signal supply cable and tighten the cable feed through firmly Make sure that the electronic housing cover is tight If the transmitter is installed in a dirty environment make sure that the reference slit see picture page before always is open for the atmospheric pressure In plants with high vibration levels it is important to secure that the transmitters performance is sufficient The most certain is to measure the vibrations amplitude resp acceleration The transmitters are designed and tested for P130402 Welding stud 60 mm P103602 Compression flange DN80 P103603 Display All types 3 25 Hz amplitude 1 6 mm 25 60 Hz amplitude 0 21 mm 60 100 Hz accel 19 6 m s2 Standards IEC770 and DNV Certif
5. transmitter types G and H can withstand high static pressures both one and doublesided up to 15 MPa The transmitter type G has threaded connection and type H has one side threaded and the other side with flange 80 mm They are used for level measurements in pressure vessels and flow measurements of gases liguids and vapour Other application areas are differential pressure measurements across filters or heat exchangers and pressure measurements with narrow measurement ranges where there is a danger of high one sided pressure overload The differential pressure transmitter type T can be delivered with two process connections 3 9 A C D E och V One side is directly connected to the transmitter and the other side with a capillary tube normal lenght of the capilary tube is 2000 mm other length upon request Execeptions Type G Threaded connection is not available with tantalum or stainless steel diaphragm Flange connection is not available with Tantalum diaphragm The highest pressure range is 0 8 MPa Type T Highest static pressure is the same as the overload for the pressure range Same exceptions as for the choosen process connection Transmitter with capillary tube N This transmitter type is designed with the connection with the measuring diaphragm separated from the transmitter housing The media pressure is transferred via a capillary tube normal lenght of the capi lary tube is 1000 mm other leng
6. Pressure and differential pressure transmitter PT60 Electronic transmitter with a wide range of process connections Stainless steel housing with hygienic design PT60 a series of pressure transmitters with great flexibility Modulary built A wide range of process connections and electronics can be choosen Hygienic design EMC rugged construction Housing stainless steel no dirt collecting gaps in stainless steel with excellent or pockets Easy to clean and shielding minimal risk for corrosion Different electronics Constructed for washing Analogue 4 20 mA with high pressure cleaners HART 4 20 mA IP67 housing Profibus PA FOUNDATION fieldbus pending Can be delivered with 19 diffe rent directly connected process 150 C media temperature short connections for both pressure and time 200 C differential pressure Accuracy of 0 1 ch G dh adi Transmitter types order codes The transmitters order codes for different configurations can be found from the table below All combinations are not possible see next page for exceptions PT60 xxx X X X X xX 7 ae Description Suffix Design Figure 1 Figure 2 Figure 3 Figure 4 Electronics Analogue 4 20 mA A HART 4 20 mA H Profibus PA PA Foundation Fieldbus 7 FF Design Intrinsic safe 1 E Ligthning protected L Diaphragm Stainless steel 1 44621 5 5 Hastelloy C 276 5 Tantalum 5 5 Connectio
7. cation and a self test with alarm functions P1100 contains online presentation of help functions data sheets and user manual Hand terminal For parameter settings a hand terminal of HART type can be used see more detailed description in P 700 User Manual Approvals PT60 with connections 7 8 9 A D E and V are approved for 3A PT60 is approved by DNV and explosionproof EEx ia IIC T4 by NEMKO according to the EU directive ATEX PT60 are CE approved according to the EU directives for pressure equipment PED and EMC To concider To obtain longtime and faultless operation of PT60 there are some important factors to consider when choosing transmitter type and at installation Al types Pressure transmitters with piezoresistive sensors is designed to withstand a specific overload see data If the pressure on the diaphragm exceeds this limits irrespective if it is for a long or short time the sensor will be broken permanently Consider if such pressures will arise in the plant and choose the right type of sensor If there is for example valves closing fast in connection to the transmitter high pressure surges can arise Can there for example be steam surges Accessories Description Installation kit Welding sleeve Adapter 2 to R 11 2 Flange 50 mm slip on 150 Ib Flange 50 mm slip on 300 Ib Flange 50 mm slip on 600 Ib poe foment fs The measuring diaphragm is the most exposed and
8. der that air passes cold surfaces closest to the pressure connection of the transmitter Any humidity in the air will condense on these surfaces The condensate flows out and the remaining air in the tube stays dry Additionally the reference pressure connection is designed to prevent flushing water from entering PT60 has microcomputer based electronics which communicate with the outside world with 4 to 20 mA signal as well as HART communication PT60H The electronics measure and converts the output signal from the pressure dependent sensor bridge to digital values Furthermore the total resistance of the sensor bridge is measured and these values are converted to digital temperature values The electronics perform compensation for temperature drift of the sensor by means of compensation values entered at the factory calibration and at the same time the temperature measurement is also calibrated Compensation for the non linearity in the sensor is done in the same manner Different kinds of transfer functions such as linear square root curves can be selected The electronics perform the calculation for the selected transfer function and then the digital value is converted to analogue for the 4 to 20 mA current loop The digital value can also be read via HART PT60H communication in optional engineering units percentage or current PT60 can be configured calibrated to a certain extent by means of k
9. e risk of blockage is eliminated by the large area of the exposed diaphragm The transmitter is clamped between standard flange rings The transmitter fits slip on flanges of ANSI or DIN type For transmitters with flange connection the type of flange has to be stated at the time of order see Accessories PT60 with flange 50 mm 2 and six holes for use with MWP10 is supplied upon request Exceptions Not available with tantalum diaphragm combined with pressure range 14 and 35 kPa The highest pressure range for this connection type is 4 MPa Note that the limits depends on flange type Hygienic clamp connected transmitter Clamp38 Clamp51 hygienic front connection and Varivent 9 A P and V A clamp connected transmitter is used when special hygiene requirements are needed such as those in the food and pharma ceutical industry The design meets ISO 2852 and the transmitter is easy to install and remove If clamp 38 connection is not available the optional connector piece clamping ring and gasket ring may be used Connection details for clamp 51 hygienic front connection and Varivent is available upon request but not available from stock Exceptions Normaly not available with tantalum or stainless steel diaphragm The highest pressure range for clamp 38 51 and Varivent is 2 MPa Note that the limits depends on clamping ring type Hygienic screw connected transmitter DIN11851 40 mm SMS Rd60 6
10. eys and switches in the connection space and fully by means of a hand terminal or a PC via HART PT60H communication Transmitter for Differential Pressure The transmitter has a central piezo resistive sensor connected to the membrane chambers via two capillary tubes Each of the two process media pressures act on a separating membrane that have a small spring To transmitter electronics Electronics Sensor Measuring diaphragm Overload diaphragm The pressure is transferred from the media to the sensor element via the separating diaphragms by means of silicon oil constant An overload membrane with adapted spring constant is located between the two separating membranes The membrane chambers and the sensor are filled with silicon oil The pressure on both sides of the overload membrane is transferred to the sensor by means of the silicon oil At a pressure difference between the two separating membranes within the measuring range of the transmitter all three membranes will move freely At overload exceeding the measuring range one of the separating membranes will however lay against the profiled surface while the overload membrane still can move freely The differential pressure across the sensor can in that way not increase furthe
11. ication note 2 4 location class B If vibration levels exceeds this consider using the transmitter type N see Transmitter Types Description Transmitter removable during operation connection 6 There are certain considerations that must be considered for this transmitter type The diaphragm is more exposed on this type because the transmitter is pushed in out of the valve Assure that the valve is not plugged or closed when the transmitter is pushed in If soo the sensor might be permanently damaged This transmitter type has a small diaphragm and it is sensitive to damaged or corroded diaphragms A maintenance calibration or recalibration might be required periodically Warning The transmitter cannot be replaced at high pressure due to the large force required to push the transmitter back into the valve housing The area affected by the pressure is 7 5 cm The transmitter must not be pushed in when the ball valve is closed The transmitter must be fully extended before the ball valve is operated K380002 K380003 K380004 P122901 P123101 P123001 P130501 P109801 Configuration program for PC Win PT60H PI2000 P109802 Hygienic with extended diaphragm 38 p P112201 P103601 Ball valve PN63 DN32 P109803 Electropolishing of media touched parts 9 A C D E V 102511 P130401 Gasket ring clamp 51 K380005 q g x Neg g 1p K380000 Matenialcertificat 3 1 B certificat All types 102512 K380001 Ca
12. libration certificat All types 102510 Electrical connection Follow this instruction see pictures below 1 Remove the cover of the transmitter to access the terminal chamber 2 Wire the transmitter cable through the cable bushing Pg 11 Use round cable and tighten the cable bushing firmly 3 Connect the transmitter cable to the terminals marked S and S Max cable area is 2 5 mm If there is a separate shield cable connect this to the terminal marked with shield symbol The transmitter is protected against wrong polarity If and are exchanged there will be no signal PT60 connection and setting Connection of handterminal modem Ry min 250 ohm A Test terminal 11 55 V DC Shield terminal Minus button itch awig Plus button Settings PT60 Settings of the transmitters span and zero is done directly on the transmitter by means of push buttons and a switch First push of button activates the function See figure above and tabel on next page In all positions except B and G the new values are saved after 30 seconds and normal measuring starts independently of the switch position Position B is for normal operation Adjustment Upon delivery the transmitter is adjusted according to the specific requirements from the customer Adjustment may be needed after being repaired or for check of the transmitter Adjustment of the time constant transfer function and locking current is done directly on the tran
13. n R 1 2 external NPT 1 2 external R 1 1 2 external Flange 80 mm 3 Flange 50 mm 2 Removable during oper DIN11851 40 mm SMS Rd60 6 Clamp 38 Clamp 51 RJT 1 1 2 DRD Connection DIN11851 50 mm Hygienic front connection Varivent 2 Differential pressure 3 Diff pressure with flange 3 DP with capillary tube 3 Transmitter with capillary tube 3 Z isl ZiAlS sia D AP v o N aA n Aa wN Span min max 0 24 7 kPa 1 2 35 kPa 6 7 200 kPa 0 067 2 MPa 0 14 4 MPa 4 0 27 8 MPa O N NAAN e 0 5 15 MPa Meas type Atmospheric pressure 0 Absolute pressure 2 Filling liquid Silicon oil 2 Empty Oil free design 6 H Ordering example Threaded transmitter with external R1 2 connection pressure range 0 90 kPa for atmospheric pressure and HART electronics silicon oil filling and Hastelloy diaphragm will have order code PT60H 4140 with calibrated measuring range 0 90 kPa 1 Not with analogue electronics 2 FDA approved silicon oil 3 Type G with connection 1 4 NPT thread Type H with flange 80 mm 3 one side Type T see description on next page 4 Only for connection 8 SMS Rd60 6 5 See next page for permitted combinations 6 Oil free and filled with halocarbon 7 Pending Transmitter types description Threaded transmitte
14. pply voltage 11 55 V DC Electrical interference EN61326 1 2 3 Filli aioe ee ere Pressure safety pO ee oreeive aa PP ve PED 97 23 EG food Weight Between 700 1500 8 R FExia IC T4 Nemko dependent on type 1 Only for differential pressure transmitter 2 Applies for turn down 1 1 to 1 15 For turn down 1 16 to 1 30 accuracy increases 0 1 to 0 25 Base accuracy 0 05 on request 3 Applies for the sensor For different types of processconnections there are mechanical limits 4 Some data diverge for Profibus PA 5 Short time 200 degrees C Some types upon request 275 degrees C 6 Diaphragm surface smoothness Ra Standard 0 75 um on request 0 15 um Time constant INSTRUMENTS Specifications subject to change without notice Printed in Sweden 2008 Pondus Instruments AB PT60_0805_EN 2008 05 08
15. r R 1 2 and NPT 1 2 1 and 2 The threaded transmitter with connection to R 1 2 thread is intended for clean media At a media temperature higher than 90 C a cooling pipe is used to prevent too high temperature at the sensor The threaded connection is normaly sufficient to keep the transmitter in place At specific conditions or wall installation the transmitter can be supported and reinforced with an installation kit Exceptions Normally not available with tantalum diaphragm Threaded transmitter with extended diaphragm R12 3 This transmitter connection with a connection to a 112 thread is intended for fibre rich and viscous media The extended front diaphragm is in connection with the media without any pocket inside the tank or pipe An optional adapter is available for connection to a 2 thread and an optional welding sleeve for R112 There are no additional requirements on the installation The transmitter may also be connected inside a threaded R112 cylinder such as a pipe sleeve or shut off valve Exceptions Not available with tantalum diaphragm and pressure range 14 and 35 kPa The highest pressure range for this connection type is 4 MPa Flange connected transmitter Flange 80 mm 3 Flange 50 mm 2 and DRD flange 4 5 and D A flange connected transmitter is intended for level measurement in open tanks with liquid media even with fibre rich and or viscous media Th
16. r even if the differential pressure across the separating membranes increases This protects the sensor against overload and transient pressure surges The electronics perform compensation for temperature drift of the sensor by means of compensation values entered at factory calibration and at the same time the temperature measurement is also calibrated Compensation for the non linearity in the sensor is done in the same manner Different kinds of transfer functions such as linear square root curves can be selected The electronics perform the calculation for the selected transfer function and converts the digital value to an analogue signal for the current loop 4 to 20 mA The digital value can also be read via HART PT60H communication in optional engineering quantity percentage or current PT60 can be configured calibrated to a certain part by means of keys and switches in the connection space and fully by means of a hand terminal or a PC via HART PT60H communication PI100 PI100 is a software tool on CD ROM for Windows95 98 2000 XP and Windows NT for configuration calibration and documentation PI100 contains a database with available transmitter types The program can configure transmitter specific values and perform maintenance output signal and factory calibration Furthermore PI100 performs copying of current configuration backup on to hard disc transmitting receiving via standard HART communi
17. smitter by means of push buttons and switch Note that it is only necessary to adjust zero according to position 4 below at new installations 1 Connect the transmitter to power supply 2 To measure the output signal connect a low resistance R lt 6 ohm amperemeter to the test terminal 3 Connect the pressure which shall constitute the maximum measured value Adjust the higher limit with the switch in position D 4 Connect the pressure which shall constitute the minimum measured value Adjust the lower limit with the switch in position C Adjustment via the HART communication PT60H Adjustment of all transmitter parameters can also be done with the PC program P1100 via HART modem The modem is connected according to the figure above See also PT60 User Manual Switch nail scx PT60A Function Minus button Plus button Note Position functi 30 seconds Both simultaneously for at least Restart Restart Factory reset 10 s resetts factory adjustments DE E Both simultaneously gives 4 mA Both simultaneously gives O 1 s E mme con am Decreases time Increases time The output signal shows the time 0 1 10 s 0 1 10 s constant according to 10mMA 1MA 1s When depressing plus for 5 s the function changes to calibration of 20 mA can then be adjusted Locking of Current with buttons Current calibration SNS Oe Is SENS EUG Lal When depressing minus for 5 s the function changes to calibration of 4 mA can then be adjusted with
18. th upon request to the sensor located in the transmitter housing This type can be delivered with process connections 3 9 A C D E and V The transmitter type is designed for applications with high vibration levels or high ambient temperatures Withstands extremly high media temperartures max 275 degrees C Exceptions Same exceptions as for the choosen process connection Function Transmitter for Pressure and Level The PT60 uses a piezo resistive pressure sensor which is connected to the pressure of the medium via a capillary tube and a diaphragm Media pressure applied to the diaphragm is transferred via silicon oil to the pressure sensor The oil completely fills the cavity in the sensor the capillary tube and the cavity above the diaphragm This means that the diaphragm movement is very small at pressure changes The capillary To transmitter electronics Reference tube Sensor Slit for pes atmospheric 2 pressure lt Q P The pressure of the medium is transferred to the sensor via silicon oil relaying diaphragm movements tube protects the pressure sensor from transient pressure surges To ensure that the sensor has the correct reference pressure the rear side is connected to ambient atmospheric pressure via a tube designed in or
19. ticles in the media migth affect the diaphragm and require short time between maintenance Generally maintenance should be carried out at least once a year Flange 50 80 O y siz R1 2 ext diam 96 127 NPT 1 2 ext SMS Rd60 6 Clamp 38 51 a 171 diam 55 1 4 NPT F 166 Fy fe 413 Ni k diam 50 5 64 PT60A is adjusted according to instructions on previous page PT60H PA FF can be adjusted by performing a maintenance calibration via HART communication and the PC program P1100 Alternatively an adjustment is done according to instructions on previous page Selected spare parts to PT60 can be delivered please contact us for information Repair is handled as an exchange system with fixed prices Removable 267 17 19 diam 60 Technical data PT60H PA differing data for PT60A in brackets 4 Electronic pressure R kohm transmitter with External series Supply voltage 9 20 microcomputer based resistance For HART communi electronics cation min 250 ohm Type Directly connected transmitter with no pressure mtermedium Piezo resistive sensor with capillary tube Adjustable from 100 Pen RCI Pere to 100 of the max PPY 2 Less than 0 1 dependant pressure range value Less than 0 1 0 25 of max span For the range 10 to 70 degrees C Max 0 06 per MPa at max measuring range 200 Working pressure kPa och 1 MPa dependence Max 0 2 per MPa
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