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40

K249 Issue No. 4

Calibration

General

The instrument is supplied by the manufacturer, complete with calibration
certificate(s). A re-calibration interval of 12 months is recommended. The actual
re-calibration interval will depend upon the total measurement uncertainty which
is acceptable for a particular application.

The DPI 615 are very precise measuring instruments and the test equipment and
conditions of test must be suitable for the type of work. The use of a Class A
compensated deadweight tester is essential. The tests should be carried out in a
controlled environment by a calibration technician

*

.

If, when the accuracy of the instrument is checked, it is found to fall outside the
specification, calibration adjustment can be undertaken to compensate errors.

The manufacturer offers a comprehensive and, if required, NAMAS accredited
calibration service.

*

A calibration technician must have the necessary technical knowledge,
documentation, special test equipment and tools to carry out the calibration
on this equipment.

Calibration Check

At the chosen interval, the instrument readings should be compared with a known
standard. Any deviations between the instrument and the standard should be
noted, taking due account of the traceability (accuracy to a National Standard). If
these deviations exceed the published tolerance, or any other suitable chosen
performance standard, then the user may wish to carry out a calibration
adjustment.

It is recommended that measurements be checked at 0, 20, 40, 60, 80 and 100% of
full-scale on an ascending and descending run.

Calibration Adjustment

If the instrument is operating correctly, only zero and full-scale calibration will
vary. Any excessive non-linearity or temperature effects indicate a fault. The
instrument should be returned to a qualified service agent.

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Summary of Contents for DPI 610 IS

Page 1: ...ibrator Indicator User Manual K249 Druck Limited 2005 This document is the property of Druck Limited and may not either in part or whole be copied or otherwise reproduced communicated in any way to third parties nor stored in any data processing system without the express written authority of Druck Limited Page 1 of 68 K249 Issue No 4 Do Not Print This Page ...

Page 2: ...ew specification 2 13 09 01 12016 CER No details recorded on amendment sheet 3 01 11 01 12946 CER No details recorded on amendment sheet 4 05 07 04 15727 Bob Lee Add copy of the Certificate of Conformity Approvals Engineering Stephen Walls Date Marketing Mike Shelton Date Publications Paul Stephens Date Engineering Harbi Mankia Date ...

Page 3: ... Page Print Instructions Print black on white double sided as supplied on disk Print on paper to 110 gsm Silverblade matt art wiro bind in 270 gsm covers Size A5 THIS PUBLICATION IS PRINTED EXTERNALLY THIS HARDCOPY IS NOT TO BE USED AS CAMERA COPY ...

Page 4: ...Page 4 of 68 K249 Issue No 4 Do Not Print This Page ...

Page 5: ...Druck DPI 610 615 IS Portable Pressure Calibrator User manual K249 GE Infrastructure Sensing ...

Page 6: ......

Page 7: ... K249 Issue No 4 English DPI 610 615 IS PORTABLE PRESSURE CALIBRATOR INDICATOR USER GUIDE K249 DPI 610 615 IS Portable Pressure Calibrator Calibrator Version Indicator Version Hydraulic Actuator Version ...

Page 8: ...ii K249 Issue No 4 WARNING Before operating this instrument read the safety instructions General Electric Company All rights reserved ...

Page 9: ...iii K249 Issue No 4 English English ...

Page 10: ...ressure to the equipment Toxic Materials There are no known toxic materials used in construction of this equipment Maintenance The equipment must be maintained using the procedures in this publication Further manufacturer s procedures should be carried out by authorized service agents or the manufacturer s service departments Approved Service Agents www gesensing com Technical Advice For technical...

Page 11: ...025 F S 70 bar to 400 bar Hydraulic 0 025 F S Temperature Effects 0 004 of reading C averaged over 10 to 40 C w r t 20 C Electrical Parameters Voltage Inputs Range 30V Accuracy 0 05 rdg 0 004 F S Resolution 100µV max Current Inputs Range 55mA Accuracy 0 05 rdg 0 004 F S Resolution 1µA max Current sink Range 24mA Accuracy 0 05 rdg 0 01 F S Display Size 60 x 60 mm LCD Graphics Reading 99999 update r...

Page 12: ...alibration Set up Pressure to Voltage 9 Zero Display Reading 9 Task Selection Task Key 10 Using TASK Functions 10 Set Units 10 Cal Mode 11 Basic Mode Task Basic 11 Taking Measurements Pressure Transmitter P I Task 12 Voltage Output Pressure Transmitter P V Task 12 Pressure Converter P P Task 13 Current to Pressure Converter I P Task 14 Pressure Switch Test P Switch Task 14 Pressure to Display P Di...

Page 13: ... 24 mA Step 25 mA Ramp 26 mA Value 27 Task Set up Removal 28 Define New Task 28 Clear Task 28 Memory Operations Saving Display Snapshot or Datalog 29 Store Operations Screen Snapshots 29 Recalling Stored Data Screen Snapshots 29 Datalog Operations 30 Auto Log Timer 30 Manual Logging 30 Recall Datalog Files 31 Uploading Datalog Files 32 Delete Datalog and Procedure Files 32 Downloading Procedure Fi...

Page 14: ... Procedures 41 Using The Calibration Menu 41 Temperature 42 Change PIN number 42 Add External Sensor 42 Hydraulic Calibrator Version Introduction 45 Safety Instructions 46 Preparation for Use 46 Bleeding the System 47 Operation 48 Draining the Hydraulic Fluid 48 Flushing Replenishing or Changing the Hydraulic Fluid 49 Appendix 1 Datalog File Example Typical Uploaded Datalog File DPI 610 IS 53 Typi...

Page 15: ...ument Use only the battery types as shown in the Table on page 7 Description of Procedures In the procedures outlined in this User Guide hard fixed function and soft variable function key operations are shown in bold type e g TASK and F1 These statements mean press the TASK key and press the F1 key Soft key operations can be allocated to both the F1 and F2 keys Where a specific soft function is re...

Page 16: ...Exit key used to clear current menu selection and return to next menu level above current level Used as an escape key from current operation Shading indicates key operation Hardkey total 7 Legend beside key symbol indicates function Shading indicates key operation Maximum Instrument Ratings The following table shows the maximum measurement input ratings of the instrument which should not be exceed...

Page 17: ...rce output parameter The remaining sections are used as a status display area and to define soft key functions A typical display is shown below e g OPERATOR CONTROLS Figure 1 These divide into two groups the operator display controls shown in Figure 1 and the pressure vacuum generation components shown in Figure 2 The operator controls and a typical display common to all instrument versions is sho...

Page 18: ... a l p s i d s i s t u p t u o 7 2 4 2 E R O T S s t n e m u r t s n i e h t w o h n o p u g n i d n e p e D E R O T S s i y e k s i h t p u t e s s i e d o m n i s n e e r c s y a l p s i d 0 2 o t p u e r o t s o t r e h t i e d e s u T O H S P A N S o t r o e d o m n i n e e r c s a g o l y l l a u n a m G O L A T A D e d o m 6 3 9 2 L L A C E R y a l p s i d e h t o t n e e r c s d e r o t s y...

Page 19: ... cursor keys are used to highlight one of the options from which it can be selected by the ENTER key In TASK mode where more than one page of options are provided the Left and Right cursor keys will switch between pages INTRODUCTION Summary of Functions Figure 2 DPI 610 615 IS Calibrator Controls Release Valve Releases system pressure through vent port Use to gradually or completely reduce pressur...

Page 20: ...ts are made via the control panel sockets as shown below Figure 4 Electrical Measurement Inputs Source Outputs INTRODUCTION Summary of Functions PRESSURE INT bar VOLTAGE V F2 F1 Electrical Measurement Input Sockets CURRENT UNITS INPUTS OUTPUTS Output Window Input Window PRESSURE max 30V CAT II TASK BASIC DPI 615 IS ...

Page 21: ...ode Fitting Batteries Getting Started WARNING BATTERIES MUST ONLY BE FITTED IN A SAFE AREA USE ONLY THE BATTERIES SPECIFIED IN THE TABLE Caution Old batteries can leak and cause corrosion Never leave discharged batteries in the instrument Old batteries should be treated as hazardous waste and disposed of accordingly Switching On Press the I O switch on the front panel and proceed as follows r e r ...

Page 22: ...SIC In BASIC mode the unit is configured to carry out basic Pressure to Voltage P to V or Pressure to Current P to I tests a typical test procedure follows Voltage and Current Measurements Connect the electrical input sockets as follows for voltage and current measurements Use the test leads provided and DO NOT push bare wires into the sockets Note Maximum applied voltage 30V dc Maximum input curr...

Page 23: ...he hand pump to pressurise the system to the required level as indicated on the display Allow the display to settle and screw the volume adjuster in or out as a fine adjustment to the required pressure Record the measurand e g Voltage reading at each applied pressure Zero Display Reading Both the input and output windows can be set to zero by operation of the ZERO key providing that the displayed ...

Page 24: ...rom the menu press the TASK key position the cursor over the desired task and press the ENTER key as shown below Use the right left cursor keys to switch between pages Using TASK Functions Specific tasks are selected as shown above The following diagrams show how to connect the unit under test UUT for each task selectable under the TASK menu Input and Output units where applicable can be selected ...

Page 25: ...arameter current are then set followed by the maximum error value and error type rdg or Span When all test parameters have been set up the screen changes to display the input and output and the test results The test result can only be displayed to within a range of 9 99 If the test result is outside this range either the left pointing ve error or right pointing ve error chevrons are displayed With...

Page 26: ... P V task from the task menu and connect the Unit Under Test UUT to the calibrator as shown below P I Ext Press Source Indicator Only Pressure Regulator PRESSURE INT bar CURRENT mA F2 F1 BARRIER SAFE SAFE EXT SUPPLY max 30V TASK P I SNAPSHOT MODE DPI 615 IS If required select the output units as described on page 10 If applicable turn on Cal Mode and set up test parameters as detailed on page 11 P...

Page 27: ...AREA ONLY Press the TASK key and select the P P task Providing the external transducer has been calibrated and its parameters stored in the instrument the display will show External pressure in the input window and calibrator Output pressure in the output window If an error message NO SENSOR OR CAL INVALID is displayed this indicates that the external transducer has not been entered and or calibra...

Page 28: ... either an open circuit supply loop or no external supply Pressure Switch Test P SWITCH Task Contact state will be shown on display When contacts close buzzer sounds To run switch test close vent valve and press the RUN F1 key Using the handpump increase the applied pressure to just below the switch operating point Screw the volume adjuster in until the switch operates the operating pressure of th...

Page 29: ... the Store Mode menu as detailed on Page 36 Connect the device under test to the instrument as shown below and if required turn on and set up Cal Mode see page 11 After logging final test point terminate as follows e g Press TASK and select P DISPLAY If required use OUTPUT key to change pressure units Set up a datalog file as detailed on Page 30 Note TRIGGER f ield automatically set to KEYPRESS ca...

Page 30: ...ritten to the display If required use the INPUT key to change pressure units Set up the leak test WAIT and DURATION times to the required values as shown below A minimum wait period of 3 minutes is recommended External Pressure Source Indicator Only Pressure Regulator EXTERNAL SYSTEM PRESSURE INT bar F2 F1 RUN CHANGE VALUE WAIT DURATION START PRESS STOP PRESS PRESS CHANGE LEAK RATE secs secs bar b...

Page 31: ...lay To change the pressure units press INPUT and select the required scale units If the required scale units are not listed press SETUP select SETTINGS and proceed as detailed on Page 37 Taking Measurements Transmitter Simulator TX SIM Task When used with an external voltage source see Page 24 provides a current output proportional to the calibrator s measured output pressure indicated pressure on...

Page 32: ... for this purpose Use right cursor key initially followed by up down keys to enter Snapshot text Open vent valve to release test pressure Note If using external pressure supply isolate supply before opening the vent valve Taking Measurements Relief Valve Test REL VALVE Task To carry out a relief valve test press TASK and select REL VALVE Connect the output pressure port of the instrument to an ext...

Page 33: ...as follows If in addition to process functions a range of units is available for the selected channel a UNITS soft box actioned by the F2 function key will be written to the display The following procedure shows the method of input channel selection and the method of changing units e g Note Left right arrow keys function as page up down keys Refer to pages 20 to 23 for details of process functions...

Page 34: ...lays running Max Min and Present display values simultaneously Resettable via F1 key Filter Applies low pass filter function to displayed parameter Filter characteristics Settling time and Band are user programmable Flow Applies square root function to displayed parameter Span Converts displayed parameter reading to a percentage of span Span definable via the F1 key Following selection of ADVANCED...

Page 35: ...nctions Tare Process Function To set up a Tare function enable TARE from the process menu and press F1 to enter the Tare SETTINGS functions Disable TARE by entering process menu and turning the function OFF Note Last TARE setting is retained and will be applied when function is next enabled Tare Current Measurand Reading To tare off the current display reading proceed as follows e g ...

Page 36: ...llows e g Reset Max Min display at any time by pressing the F1 key To quit max min press INPUT select MAX MIN from process menu and switch the function off Filter Process Function To apply the low pass filter to a selected measurand enable FILTER from the process menu and press F1 SETTINGS to provide access to the filter parameters Two settings are required Time to Settle and Band To examine the c...

Page 37: ...OFF at the process menu Span To convert a selected measurand display from a numerical value to a percentage of full scale reading enable SPAN from the process menu and press F1 SETTINGS to provide access to the span definition parameters Two span definitions are required Zero and Full Scale To leave span at current setting press EXIT To define zero and full scale settings proceed as follows To can...

Page 38: ... can be obtained directly from the first by pressing the RIGHT cursor key Note Left right arrow keys function as page up down keys To change the output units Pressure channels only select the channel with the cursor keys and press F2 before pressing ENTER Electrical Outputs Loop Power All the electrical outputs the output loop must be powered from an external supply current sinking External connec...

Page 39: ...how the selected program of output currents e g Connect an external power source as shown on Page 24 Press RUN F1 to run program A flashing status display CHECK LOOP indicates a fault in the external loop i e supply fault or open circuit Note The dwell time at each step is approximately 10 seconds Press STOP F1 when running to stop at any point Press RUN F1 to resume Advanced Task Select Output ...

Page 40: ...wn below e g Connect an external power source as shown on Page 24 Press START F1 to run the program A status display CHECK LOOP indicates a fault in the external loop i e supply fault or open circuit Note The ramp cycle min to max or max to min is approximately 60 seconds Press STOP F1 when running to stop at any point Press CONTINUE F1 to resume from point of pause or RESET F2 to return to start ...

Page 41: ...adjust output current level While the loop is made a status display indicates OK A status display CHECK LOOP indicates a fault in the external loop i e supply fault or open circuit Advanced Task Select Output mA Value Press the OUTPUT key and select mA Value from the Output menu The procedure is shown below e g ...

Page 42: ...llows e g Advanced Task Task Setup Removal Define New Task To define a new task proceed as follows Select ADVANCED from TASK menu Using the INPUT key select the required measurand as the input display and set up any process functions required Using the OUTPUT key select the required measurand as the output display Press TASK and select Free Enter new task name as follows e g ...

Page 43: ... key This saves the current display to the next available location Supporting text 10 characters may be appended Twenty memory locations are available on a cyclic buffer When all 20 have been used store operations overwrite existing locations starting at Location 1 Recalling Stored Data Screen Snapshots To recall a previously stored display press the RECALL key This recalls the last display saved ...

Page 44: ...DVANCED set up required Source and Output parameters Use SETUP to select Datalog from the Store Mode Menu See Page 36 Auto Log Timer Press STORE and set up the datalog file parameters as shown below Use CHANGE VALUE F1 followed by cursor keys to set field values For Auto Log set up TRIGGER field to PERIODIC Manual Logging Enter the file details as shown above and select KEYPRESS for TRIGGER field ...

Page 45: ...lows e g Datalog files can be displayed either as text stored screens or in graphical form To display as text proceed as follows from the File Summary menu Select Auto Step to automatically review each screen at 1 second intervals or use the left and right cursor keys to manually review To display logged data in graphical form on screen proceed as follows from the File Summary menu e g ...

Page 46: ...RS232 parameters of the instrument can be checked as detailed on page 38 Set up a file on the PC to receive the data e g in the Windows Terminal program To upload a file proceed as follows Appendix 1 give details of a typical uploaded datalog file Memory Operations Datalog Delete Datalog and Procedure Files To delete a datalog file or a procedure file proceed as follows Alternatively to delete all...

Page 47: ...trument into REMOTE mode proceed as follows Connect the instrument s RS232 port to a free COM port on a PC Make sure that the COMMS parameters of the PC match those of the instrument refer to Page 38 Make sure that the instrument is not already running a procedure If it is quit the procedure Download the procedure Procedures are stored in the Datalog directory The following sequence shows a typica...

Page 48: ...and then select F1 Continue and follow the on screen procedural instructions e g When the test procedure for a given UUT has been completed the result of running the first test is stored as an AS FOUND file This file cannot be overwriten Any other tests on the device ars stored as an AS LEFT file which is overwritten each time the procedure on this device is run When recalling the results of a pro...

Page 49: ...he last time the procedure was run Procedure data files can be displayed either as text stored screens or in graphical form To display as text select the TEXT option F1 from the directory and proceed as follows from the File Summary menu Select Auto Step F1 to automatically review each screen at 1 second intervals or use the left and right cursor keys to manually review To transmit the selected lo...

Page 50: ...ts the set up of the following instrument parameters Store Mode None Snapshot Datalog Contrast Instrument Settings Units Language RS232 parameters Powerdown and Calibration Routines Refer to page 40 for Calibration details Date and Time Real Time clock Store Mode Select STORE MODE from the SETUP menu and select required mode as follows Contrast Select CONTRAST from the SETUP menu and proceed as fo...

Page 51: ...re Units from the SETTINGS menu and proceed as follows Define Special Units Select pressure Units from the SETTINGS menu and select Special Units and proceed as follows Language Select the LANGUAGE version required from the Settings menu and proceed as follows ...

Page 52: ... Select Powerdown from the SETUP menu and proceed as follows If TIMER mode is selected following a period of inactivity the instrument will automatically power off after the preset TIMER period If OFF is selected auto power off is inhibited and once switched on the instrument will remain ON until it is manually switched OFF Calibration Calibration routines are password protected Refer to Calibrati...

Page 53: ...ange the date by means of the cursor keys as shown below The up down keys change the numerical value of the selected digit indicated by the underline cursor and the left right keys select the required digit position Set Time Select TIME from the DATE TIME menu and change the date by means of the cursor keys as shown below The up down keys change the numerical value of the selected digit indicated ...

Page 54: ...ensive and if required NAMAS accredited calibration service A calibration technician must have the necessary technical knowledge documentation special test equipment and tools to carry out the calibration on this equipment Calibration Check At the chosen interval the instrument readings should be compared with a known standard Any deviations between the instrument and the standard should be noted ...

Page 55: ...calibration procedures are described in publication number K235 Do Use high quality Repeatable and Linear pressure sources and allow adequate stabilization time before calibration minimum 1 hour Conduct the calibration in a temperature and preferably humidity controlled environment Recommended temperature is 21 C 2 C Use deadweight testers carefully and away from draughts Using the Calibration Men...

Page 56: ...nsors proceed as follows Plug the external transducer into the connector located on top of the instrument and proceed as shown below Digitally compensated transducers will be downloaded into the directory as soon as the F1 key is operated Data for other types can be edited by selecting EDIT F2 If the data cannot be edited a warning message ACTION INVALID is displayed Cleaning Instructions Clean th...

Page 57: ...English 43 K249 Issue No 4 HYDRAULIC CALIBRATOR VERSION ...

Page 58: ...44 K249 Issue No 4 This page is intentionally blank ...

Page 59: ...nylon and fluorocarbon rubber Viton The hydraulic fluid can be either demineralised water or one of the hydraulic fluids listed in Table A1 Caution Only use the recommended hydraulic fluids DO NOT mix hydraulic fluids Table A1 Recommended Hydraulic Fluids 8 4 4 3 O S I y t i s o c s i V e d a r g E A S x o r p p A y t i s o c s i V n o i t a c i f i s s a l C l l e h S o s s E l i b o M 0 1 G V W ...

Page 60: ...re damage can be caused if equipment connected to this instrument is contaminated Connect only clean equipment to the instrument To avoid any contamination an external filter is recommended Preparation for Use Fit the bleed pipe connection to the priming port using the bonded seal as shown in Figure A1 Make sure that the screw press is wound fully in clockwise Make sure that the isolation valve is...

Page 61: ...r use as detailed on page 46 2 Fill a suitable container with the required hydraulic fluid and place the priming inlet assembly hose into the fluid 3 Open the bleed valve on the Unit Under Test UUT If possible fit a hose to the bleed point and place this in a container of the same fluid 4 Use the priming pump to pump hydraulic fluid into the instrument and the connected system Monitor the hydrauli...

Page 62: ...ature which in turn has an effect on pressure Allow sufficient time for this pressure reading to stabilise before recording or logging a reading 3 When the test is complete reduce the pressure in the system to zero by turning the screw press anticlockwise Before disconnection of the UUT open the isolation valve to bleed off any residual pressure 4 Remove the connection to the UUT and fit a blankin...

Page 63: ...he ingress of any contaminant fit a blanking plug in its place d Close the isolation valve and remove the priming fluid inlet hose from the priming inlet e Clean off any surplus oil which may have spilled onto the instrument casing The instrument is now ready for operation or storage If storing apply a label detailing the type of hydraulic fluid contained in the instrument For long term storage it...

Page 64: ...50 K249 Issue No 4 HYDRAULIC CALIBRATOR VERSION Operation Notes ...

Page 65: ...English 51 K249 Issue No 4 Appendix 1 DATALOG FILE EXAMPLE ...

Page 66: ...52 K249 Issue No 4 This page intentionally blank ...

Page 67: ...102 0 77 span 05 11 1999 16 05 00 17 766 17 106 0 51 span 05 11 1999 16 06 07 17 812 17 105 0 80 span 05 11 1999 16 07 49 18 532 17 965 1 00 span 05 11 1999 16 16 35 20 007 20 212 1 02 span 05 11 1999 16 18 23 The Record Type number contained in the header is a 16 bit field with the individual bits representing result formats as detailed below Record Type 1 P Display Record Type 2 Switch Test Reco...

Page 68: ... 0 77 span PASS 05 11 1999 16 05 00 17 766 17 106 0 51 span PASS 05 11 1999 16 06 07 17 812 17 105 0 80 span PASS 05 11 1999 16 07 49 18 532 17 965 1 00 span PASS 05 11 1999 16 16 35 20 007 20 212 1 02 span FAIL 05 11 1999 16 18 23 The Record Type number contained in the header is a 16 bit field with the individual bits representing result formats as detailed below Record Type 1 P Display Record T...

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