GE Druck DPI 615 IS User Manual Download Page 27

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K0430 Issue No. 2

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 external system as shown below:

A - External pressure source (indicator only)

B - Pressure regulator

C - Relief valve under test

•

To change the pressure units, if required, press

INPUT

and select the required

units using the cursor keys.

•

Close the vent valve and, using the hand-pump or external pressure supply, apply
pressure to the relief valve under test.

•

When the relief valve operates, the maximum recorded pressure indicates the
operating point of the valve.

•

Record the test results.

Note:

The

STORE

key can be used 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.

PRESSURE INT

bar

RESET

MAXIMUM

MINIMUM

MAX/MIN

PRESSURE INT

max 30V

TASK : RELVALVE
SNAPSHOT MODE

DPI 615 IS

Taking Measurements

Summary of Contents for Druck DPI 615 IS

Page 1: ... Intrinsically Safe Portable Pressure Calibrator User manual K0430 GE Sensing Inspection Technologies 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Page 2: ...essure Do not apply pressures greater than the safe working pressure to 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 www gesensinginspection com For technical advice contact the manufacturer A qualified technician mus...

Page 3: ...K0430 Issue No 2 ii ...

Page 4: ...l MN1400 LR14 Procell lndustrial MN1400 LR14 Energizer E93 KR14 C AM2 Energizer Industrial EN93 or Varta 4014 LR14 C AM2 Special Conditions for Safe Use 1 The DPI 61X IS Series Pressure Calibrator is not capable of withstanding the 500V r m s electric field strength test between the external connectors and frame of the apparatus as required by Clause 6 4 12 of EN 50020 and this must be taken into ...

Page 5: ...e DPI 610 IS and DPI 615 IS pressure calibrators are designed and manufactured to meet the essential health and safety requirements not covered by the EC Type Examination Certificate BAS02ATEX1174X when installed as detailed above The intrinsically safe pressure calibrators are designed and manufactured to protect against other hazards as defined in paragraph 1 2 7 of Annex 11 of the ATEX Directiv...

Page 6: ... 004 of reading C averaged over 10 to 40 C w r t 20 C 0 002 of reading F averaged over 14 to 104 F w r t 68 F Power supply Batteries 6 x 1 5 V C cells alkaline up to 60 hours nominal use at 20 C 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 Resolut...

Page 7: ...ration Set up Pressure to Voltage 9 Zero Display Reading 9 Task Selection Task Key 10 Using Task Functions 10 Set Units 10 Cal Mode DPI 615 instruments only 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 Pre...

Page 8: ...play or Data Log 29 Store Operations Screen Snapshots 29 Recalling Stored Data Screen Snapshots 29 Datalog Operations 30 Auto Log Timer 30 Manual Logging 30 Recall Data Log Files 31 Uploading Data Log Files 32 Delete Data Log and Procedure Files 32 Downloading Procedure Files DPI 615 instruments only 33 Running Procedure Files DPI 615 instruments only 34 Recalling Data Files DPI 615 instruments on...

Page 9: ...ltage Input Range 30 Volts 47 Current Input Range 55 mA 49 Current Output Range 24 mA 51 Ambient Temperature Channel 54 Calibrate External Sensors 55 Add External Sensor 56 Hydraulic Calibrator Versions Introduction 59 Safety Instructions 60 Preparation for Use 60 Bleeding the System 61 Operation 62 Draining the Hydraulic Fluid 62 Flushing Replenishing or Changing the Hydraulic Fluid 63 Appendix 1...

Page 10: ... battery types as shown in the table on page 7 Description of Procedures The procedures apply to both the DPI 610 IS and the DPI 615 IS instruments unless otherwise stated In the procedures in this manual hard fixed function and soft variable function key operations are shown in bold type TASK and F1 These statements mean press the TASK key and press the F1 key Soft key operations can be assigned ...

Page 11: ...ction 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 exceeded Note 1 The display flashes if the inp...

Page 12: ... On Off Key Figure 1 DPI 610 615 IS Key pad DISPLAY The display and key pad of the instrument divides into four distinct sections The two main sections of the display are used to show an input and an output The remaining two sections show the status display area and define the soft key functions A typical display is shown below PRESSURE INT bar VOLTAGE V F2 F1 2 3 4 5 7 6 1 CURRENT PRESSURE UNITS ...

Page 13: ... The OUTPUT key selects the output parameter to be displayed 24 27 STORE Depending upon how the instrument s STORE mode is set up this key is used either to store up to 20 display screens in SNAPSHOT mode or to manually log a screen in DATALOG mode 29 36 RECALL This key recalls a previously stored screen to the display Depending on the STORE mode set up operation of this key recalls either the sna...

Page 14: ...and right In programs where options need to be selected from a list e g the TASK selection program the up and down 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 1 Test port connect to unit under test 2 Hard keys 3 Cover externa...

Page 15: ...anel sockets as shown below 1 Status window 2 Input window 3 Electrical measurement input sockets 4 Output window Figure 4 Electrical Measurement Inputs Source Outputs 1 2 3 USE RS232 IN SAFE AREA ONLY 4 PRESSURE INT bar VOLTAGE V F2 F1 CURRENT UNITS INPUTS OUTPUTS 4 3 1 2 PRESSURE max 30V CAT II TASK BASIC DPI 615 IS INTRODUCTION Summary of Functions Test Equipment Depot 800 517 8431 99 Washingto...

Page 16: ...screen displaying voltage in the input display area and pressure in the source display area To switch to Current as input press F1 as shown Similarly F1 to return to Voltage Note No other keys are active in this mode and the instrument can only be reconfigured by pressing the TASK key and selecting another mode PRESSURE INT bar VOLTAGE V CURRENT UNITS PRESSURE TASK BASIC 3 2 1 Manufacturer Type No...

Page 17: ...e 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 55mA Vin mA in mA Sink max 30V max V 55mA Vin mA in mA Sink max 30V ma...

Page 18: ...el 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 input Voltage reading at each applied pressure Zero Display Reading Both the input and output readings can be set to zero by using the ZERO key and if the displayed reading is within 5 of zero To zero either the INPUT or OUTPUT displays proceed...

Page 19: ... key position the cursor over the required 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 by pressing either the INP...

Page 20: ...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 Within this error band the actual tolerance value is displayed Test results can either be stored as snapsh...

Page 21: ...re Transmitter P V Task Select the P V task from the task menu and connect the Unit Under Test UUT to the instrument as shown below A External pressure source indicator instruments only B Pressure regulator C Pressure to voltage device D Barrier E External supply F Safe Area If required select the output units as described on page 10 If applicable turn on Cal Mode and set up test parameters as det...

Page 22: ...evice E External transducer 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 ente...

Page 23: ...ssure regulator C Pressure switch under test 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 hand pump increase the applied pressure to just below the switch operating point Screw the volume adjuster in until the switch operates the operating pressure of the switch is then written to the display Reduce ...

Page 24: ...sure regulator C Dial gauge under test Press TASK and select P DISPLAY If required use OUTPUT key to change pressure units Set up a data log file as detailed on page 30 Note TRIGGER field automatically set to KEYPRESS cannot be changed Apply a series of test pressures to the device under test Enter displayed reading at each pressure and log each point After logging final test point terminate as fo...

Page 25: ...the vent valve and pressurize the device system to the required LEAK TEST pressure Press the RUN F2 key to start the leak test When completed the beeper sounds and the leak test results are written to the display A B PRESSURE INT bar F2 F1 RUN CHANGE VALUE WAIT DURATION START PRESS STOP PRESS PRESS CHANGE LEAK RATE secs secs bar bar bar bar m 60 60 max 30V TASK LEAK TEST SNAPSHOT MODE DPI 615 IS C...

Page 26: ...rameters are correct On completion of Tx SIM set up the display is configured as follows Connect an external power source to the output loop as detailed on page 24 To subsequently change any of the Tx SIM scaling parameters press CHANGE VALUE key F1 to obtain the TX Simulation set up display To change the pressure units press INPUT and select the required scale units If the required scale units ar...

Page 27: ...and using the hand pump or external pressure supply apply pressure to the relief valve under test When the relief valve operates the maximum recorded pressure indicates the operating point of the valve Record the test results Note The STORE key can be used 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 I...

Page 28: ...ons and if available the PROCESS soft box F1 and the UNITS soft box F2 The following procedure shows the method of input channel selection and the method of changing units Note Left right arrow keys function as page up down keys Refer to pages 20 to 23 for details of process functions Ambient Temperature Measurement To set up the instrument to read ambient temperature proceed as follows Note Ensur...

Page 29: ...unning 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 from ...

Page 30: ...ng process menu and turning the function OFF Note Last TARE setting is retained and will be applied when function is next enabled Tare Current input Reading To tare off the current display reading proceed as follows Tare Off An Entered Value To tare off an entered value current proceed as follows Note Display shows the last entered Tare Value Advanced Task Process Functions ...

Page 31: ... 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 input 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 current filter settings and exit without change ...

Page 32: ...at the process menu Span To convert a selected input 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 cancel SPAN...

Page 33: ...ight 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 connections to the front panel of the instrument are shown below...

Page 34: ... the selected program of output currents 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 35: ...o 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 point Advanced Task Select Output Test Equipment Depot 800 517 8431 99 Washington ...

Page 36: ...is shown below Connect an external power source as shown on page 24 Use up and down cursor keys to 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 ...

Page 37: ...splay and set up any process functions required Using the OUTPUT key select the required output for the output display Press TASK and select free Enter new task name as follows On completion of the this procedure the display reverts to newly set up task as shown Clear Task To clear a user defined task select TASK and proceed as follows Advanced Task Task Setup Removal ...

Page 38: ... 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 Press the left or right cursor keys to recall t...

Page 39: ...sing ADVANCED set up the required output parameters Use SETUP to select Data Log from the Store Mode Menu See page 36 Auto Log Timer Press STORE and set up the Data Log 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 40: ... 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 Memory Operations Datalog ...

Page 41: ...ers 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 gives details of a typical uploaded data log file Delete Datalog and Procedure Files To delete a Data Log file or a procedure file DPI 615 instruments only proceed as follows Alternatively to delete all logged fil...

Page 42: ...nt 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 Data Log directory The following sequence shows a typical do...

Page 43: ...ntinue and follow the on screen procedural instructions 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 overwritten Any subsequent tests on the device are stored as an AS LEFT file that is overwritten each time the procedure on this device is run When recalling the results of a procedure the choice of...

Page 44: ... 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 or right cursor keys to manually review To transmit the selected logged data via the...

Page 45: ...its Language RS232 parameters Powerdown and Calibration Routines Refer to page 41 for calibration details Date and Time Real Time Clock Store Mode Select STORE MODE from the Set up menu and select required mode as follows Contrast Select CONTRAST from the Set up menu and proceed as follows Using Setup Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

Page 46: ...elect one of the SETTINGS options from the set up menu proceed as follows Units Select UNITS from the SETTINGS menu and proceed as follows Define Special Units Select UNITS from the SETTINGS menu and select SPECIAL UNITS and proceed as follows Using Setup ...

Page 47: ...GS menu and proceed as follows RS232 Select RS232 from the SETTINGS menu and proceed as follows Note Communications default settings are shown above If a communications problem occurs at a particular baud rate change the baud rate on the instrument and PC to a lower rate Using Setup ...

Page 48: ...following a period of inactivity the instrument automatically powers off after the preset TIMER period If selected OFF auto power off is inhibited and once switched on the instrument remains ON until it is manually switched OFF Calibration Refer to page 41 for a full description of the calibration procedures Using Setup ...

Page 49: ...e as shown below The up and down keys change the numerical value of the selected digit indicated by the underline cursor and the left and right keys select the required digit position Set Time Select TIME from the DATE TIME menu and using the cursor keys change the time as shown below The up and down keys change the numerical value of the selected digit indicated by the underline cursor and the le...

Page 50: ...ncreasing in 20 steps to 100 full scale and then decreasing in 20 steps to 0 Note any deviations between the instrument and the pressure standard and consider traceability accuracy to a National Standard If after a calibration check the results exceed the tolerance in the specification or other suitable performance standard carry out a calibration adjustment Calibration Adjustment If the instrumen...

Page 51: ...eter 30V input 45 ppm 1 digit 11 ppm 110 µV Digital milliammeter 55mA input 150 ppm 4 digit 100 ppm 1nA Digital milliammeter 24mA output 150 ppm 4 digit 160 ppm 1nA Precision thermometer ambient temperature 0 2 C 0 1 C 1 digit Deadweight tester pressure internal external Class A deadweight 0 025 Nominal applied value as a of full scale Permissible deviation 0 10 for absolute ranges 0 025 FS 20 0 0...

Page 52: ...s possible Change PIN To change the PIN code select CHANGE PIN from the calibration menu and proceed as follows Note To set and verify a new PIN the new PIN code must be entered twice If the second code entered differs from the first the new PIN will not be set Calibrate Internal Ranges Select the INT RANGES from the menu as shown above and follow the calibration procedure on the display SELECT OP...

Page 53: ...e instrument s temperature to stabilize for a minimum of 1 hour 3 Switch the instrument on enter CALIBRATION mode and select INT RANGES from the CALIBRATION menu and then PRESSURE INT 4 Apply zero pressure and store the zero point 5 Close the vent valve apply full scale pressure and store the full scale point 6 Press the ENTER key to accept the calibration Press the EXIT key four times to quit CAL...

Page 54: ...ibration 3 Link the voltage input terminals with a short lead and enter the zero point 4 Remove the shorting link from the voltmeter terminals connect the Vin terminals of the instrument to a variable voltage source and connect a digital voltmeter across the source SELECT CAL OPTION SELECT CAL OPTION SELECT RANGE 30 VOLTS 5 VOLTS CALIBRATION VOLTAGE IN CURRENT IN CURRENT OUT PRESSURE INT TEMPERATU...

Page 55: ... return to the calibration menu or four times to quit the CALIBRATION and SETUP modes 7 Verify the instrument calibration by applying the test voltages given in Table 2 page 48 to the voltmeter after both voltage ranges have been calibrated 8 Disconnect the calibration test equipment Calibration Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

Page 56: ...k from the voltmeter terminals connect the Vin terminals of the instrument to a variable voltage source and connect a digital voltmeter across the source SELECT CAL OPTION SELECT RANGE 30 VOLTS 5 VOLTS SELECT CAL OPTION CALIBRATION VOLTAGE IN CURRENT IN CURRENT OUT PRESSURE INT TEMPERATURE CALIBRATING VOLTAGE RANGE 30V Apply nominal zero value Press ENTER key when applied value is stable SET VALUE...

Page 57: ... rdg 0 004 FS 24 0 05 rdg 0 004 FS 4 0 05 rdg 0 004 FS 18 0 05 rdg 0 004 FS 3 0 05 rdg 0 004 FS 12 0 05 rdg 0 004 FS 2 0 05 rdg 0 004 FS 6 0 05 rdg 0 004 FS 1 0 05 rdg 0 004 FS 0 0 05 rdg 0 004 FS 0 0 05 rdg 0 004 FS 6 0 05 rdg 0 004 FS 1 0 05 rdg 0 004 FS 12 0 05 rdg 0 004 FS 2 0 05 rdg 0 004 FS 18 0 05 rdg 0 004 FS 3 0 05 rdg 0 004 FS 24 0 05 rdg 0 004 FS 4 0 05 rdg 0 004 FS 30 0 05 rdg 0 004 FS...

Page 58: ...ION mode and select INT RANGES from the CALIBRATION menu as shown on page 43 2 Select CURRENT IN range for calibration 3 Open circuit the mA in terminals and enter the zero point 4 Connect the mA in terminals of the instrument to a variable current source and connect a digital milliammeter in series with the supply 55mA Vin mA in max 30V max A Calibration ...

Page 59: ...le 3 to the milliammeter 8 Disconnect the calibration test equipment Table 3 Electrical Current Input Calibration Tolerances Current Calibration 55mA Range Verification Tolerances Applied Current mA Permissible Deviation 55 0 05 rdg 0 004 FS 45 0 05 rdg 0 004 FS 35 0 05 rdg 0 004 FS 25 0 05 rdg 0 004 FS 15 0 05 rdg 0 004 FS 5 0 05 rdg 0 004 FS 0 0 05 rdg 0 004 FS 5 0 05 rdg 0 004 FS 15 0 05 rdg 0 ...

Page 60: ...e instrument on enter CALIBRATION mode and select INT RANGES from the CALIBRATION menu as shown on page 43 2 Select CURRENT OUT range for calibration 3 Connect a digital milliammeter to the instrument as shown below Note This procedure requires an external supply 55mA Vin mA in mA Sink max 30V max mA Voltage source Calibration ...

Page 61: ...des 7 Verify the instrument s output current calibration by setting up the loop test currents as shown in Table 4 and checking the set values against the milliammeter standard 8 Connect an external voltage source shown on page 51 press the OUTPUT key select mA Value Measure 90 FS output Press ENTER key when applied value is stable Store Cal point YES NO Enter Measured Current RUN OUTPUT PRESSURE m...

Page 62: ...s 11 Disconnect the calibration test equipment Current Output Calibration 24mA Range Verification Tolerances Applied Current mA Permissible Deviation 0 0 05 rdg 0 01 FS 5 0 05 rdg 0 01 FS 10 0 05 rdg 0 01 FS 15 0 05 rdg 0 01 FS 20 0 05 rdg 0 01 FS 24 0 05 rdg 0 01 FS 20 0 05 rdg 0 01 FS 15 0 05 rdg 0 01 FS 10 0 05 rdg 0 01 FS 5 0 05 rdg 0 01 FS 0 0 05 rdg 0 01 FS VOLTAGE V TASK ADVANCED SNAPSHOT M...

Page 63: ...bilize in the calibration environment for at least one hour 3 Read the environmental temperature on a calibrated digital thermometer and enter the recorded value as shown below Example shown for a measured ambient temperature of 21 5 Celsius Note Only one temperature point is required 4 Press the ENTER key to accept the calibration Press the EXIT key once to return to the calibration menu or four ...

Page 64: ...3 Switch the instrument on enter CALIBRATION mode and select EXT SENSORS from the CALIBRATION menu 4 Select the transducer to be calibrated from the transducer menu using the cursor keys and press ENTER If the sensor to be calibrated is not in the directory or no sensors are listed in the directory press the F1 key ADD NEW SENSOR This will place the sensor in the directory allowing it to then be s...

Page 65: ... the directory of external sensors proceed as follows Connect the required external transducer to the EXT TRANSDUCER socket located on the rear of the instrument 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 INVALID ACTION is displayed C...

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Page 68: ...s stainless steel copper nylon and fluorocarbon rubber Viton The hydraulic fluid can be either demineralized water or one of the hydraulic fluids listed below Caution Only use the recommended hydraulic fluids DO NOT mix hydraulic fluids Table A1 Recommended Hydraulic Fluids ISO 3448 Viscosity grade Approx SAE Viscosity Classification Shell Esso Exxon Mobil VG10 5W Tellus R10 Nuto H10 Velocite No 6...

Page 69: ...ment 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 Figure A1 Use an appropriate seal and connect the bleed hose assembly 3 to the priming port Make sure that the screw press 5 is wound fully in clockwise Make sure that the isolation valve 1 is open fully counter clockwise ...

Page 70: ...for use as detailed on page 62 2 Fill a suitable container with clean hydraulic fluid and place the bleed hose assembly 1 connected to the priming port into the fluid 3 Open the UUT bleed valve 5 and if possible fit a hose to the bleed point and locate the hose end in a container of the same hydraulic fluid 4 Use the priming pump 2 to pump hydraulic fluid into the instrument and the connected syst...

Page 71: ...ature that affects the pressure Allow sufficient time for this pressure reading to stabilize before recording or logging a reading 3 After testing reduce the pressure in the system to zero by turning the screw press counter clockwise Before disconnecting the UUT open the isolation valve 4 Remove the connection to the UUT and fit a blanking plug into the instrument s pressure port Clean any spilt f...

Page 72: ...stem until clean hydraulic fluid free of air bubbles emerges into the container at the output port Discard the contaminated fluid expelled during this process c Remove the bleed hose assembly 1 located to the output port and to prevent the ingress of any contaminant fit a blanking plug in its place d Close the isolation valve 4 and remove the bleed hose assembly 1 from the priming inlet e Clean of...

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Page 74: ...65 K0430 Issue No 2 Appendix 1 DATA LOG FILE EXAMPLE ...

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Page 76: ...pan 21 10 2006 16 05 00 17 766 17 106 0 51 span 21 10 2006 16 06 07 17 812 17 105 0 80 span 21 10 2006 16 07 49 18 532 17 965 1 00 span 21 10 2006 16 16 35 20 007 20 212 1 02 span 21 10 2006 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 Record Type 4 ...

Page 77: ...0 77 span PASS 21 10 2006 16 05 00 17 766 17 106 0 51 span PASS 21 10 2006 16 06 07 17 812 17 105 0 80 span PASS 21 10 2006 16 07 49 18 532 17 965 1 00 span PASS 21 10 2006 16 16 35 20 007 20 212 1 02 span FAIL 21 10 2006 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 Ty...

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