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20 | DPI 610/615 IS Instruction Manual–English

Chapter

Taking Measurements

4.9 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:

•

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.

External pressure source (indicator only)

Pressure regulator

Relief valve under test

PRESSURE INT

RESET

MAX/MIN

MAXIMUM

MINIMUM

PRESSURE INT

TASK : RELVALVE
SNAPSHOT MODE

Содержание Druck DPI 610 IS

Страница 1: ...Druck com DPI 610 615 IS Intrinsically Safe Portable Pressure Calibrator Instruction Manual...

Страница 2: ......

Страница 3: ...ese instructions detail the requirements for using the DPI 610 IS and DPI 615 IS intrinsically safe pressure calibrator in a hazardous area Read the whole publication before starting WARNING Before op...

Страница 4: ...500 V RMS electric strength test between external connectors and frame of the equipment as required by EN 60079 11 This must be taken into account when using the equipment for input measurements in a...

Страница 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 EU Type Examination Certificate BAS02ATEX1174X wh...

Страница 7: ...11 3 1 Task Key 11 3 2 Using TASK Functions 11 3 3 Set Units 11 3 4 Cal Mode DPI 615 versions only 11 3 5 Basic Mode Task BASIC 12 4 Taking Measurements 13 4 1 Pressure Transmitter P I Task 13 4 2 Vo...

Страница 8: ...ure Files 32 6 4 6 Downloading Procedure Files 32 6 4 7 Running Procedure Files 33 6 4 8 Recalling Data Files 33 7 Using Set up 35 7 1 General 35 7 2 Store Mode 35 7 3 Contrast 35 7 4 Settings Select...

Страница 9: ...tor Versions 55 9 1 Introduction 55 9 2 Safety Instructions 56 9 3 Preparation for Use 56 9 4 Bleeding the System 57 9 5 Operation 58 9 6 Draining the Hydraulic Fluid 58 9 7 Flushing Refilling or Chan...

Страница 11: ...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...

Страница 12: ...ht should be used to e g enter an alpha numeric value or to select a function Indicates the ENTER key Used to confirm an operation or a selection Shading indicates key operation Exit key used to clear...

Страница 13: ...pad 1 6 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 s...

Страница 14: ...within 5 of zero Attempts to zero a larger offset result in an error message Zero too large INPUTa The INPUT key selects the input parameter to be displayed TASK The TASK key rapidly configures the i...

Страница 15: ...eft and right cursor keys will switch between pages Figure 1 2 DPI 610 615 IS Calibrator Controls 1 Test port connect to unit under test 2 Hard keys 3 Cover external interfaces 4 Electrical inputs 5 C...

Страница 16: ...d Source outputs are made via the control panel sockets as shown below Figure 1 4 Electrical Measurement Inputs Source Outputs 1 Cover closed when not using connectors 2 External transducer 3 RS232 co...

Страница 17: ...hown 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 1 Cover fixing screws...

Страница 18: ...t BASIC 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 2 4 Voltage and Current Measurements Con...

Страница 19: ...lay 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 2 6 Zero Display Reading Both the input an...

Страница 21: ...P select SETTINGS and refer to select regular units in Section 7 4 1 3 4 Cal Mode DPI 615 versions only Cal mode which is available in tasks P I P P P V P P P DISPLAY and P SWITCH provides a method of...

Страница 22: ...ror chevrons are displayed Within this error band the actual tolerance value is displayed Test results can either be stored as snapshots or logged as data log files depending on how the instrument has...

Страница 23: ...ion 3 4 4 2 Voltage Output Pressure 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 If required select the output units...

Страница 24: ...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 Out...

Страница 25: ...ternatively press ENTER and use cursor keys to enter a finite value Cursor keys can then be used to nudge the output either up or down If required change pressure units with INPUT key A flashing CHECK...

Страница 26: ...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 disp...

Страница 27: ...turn on and set up Cal Mode see Section 3 4 Press TASK and select P DISPLAY If required use OUTPUT key to change pressure units Set up a data log file as detailed in Section 6 4 Note TRIGGER field au...

Страница 28: ...ress 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 External pressure source B Pressure regulator C Device system under t...

Страница 29: ...n external power source to the output loop as detailed in Section 5 6 To subsequently change any of the Tx SIM scaling parameters press CHANGE VALUE key F1 to obtain the TX Simulation set up display T...

Страница 30: ...e 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...

Страница 31: ...ging units Note Left right arrow keys function as page up down keys Refer to Section 5 4 for details of process functions 5 3 Ambient Temperature Measurement To set up the instrument to read ambient t...

Страница 32: ...are Current input Reading To tare off the current display reading proceed as follows 5 4 1 2 Tare Off An Entered Value To tare off an entered value current proceed as follows Table 5 1 Process Functio...

Страница 33: ...rocess 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 press the...

Страница 34: ...urn function OFF at the process menu 5 5 Select Output To display an output channel select ADVANCED mode from the task menu The display shows the list of output selections and if available the UNITS s...

Страница 35: ...the selected program of output currents Connect an external power source as shown in Section 5 6 Press RUN F1 to run program A flashing status display CHECK LOOP indicates a fault in the external loop...

Страница 36: ...F2 to return to start point 5 6 3 mA Value Press the OUTPUT key and select mA Value from the output menu The procedure is shown below Connect an external power source as shown in Section 5 6 TASK ADVA...

Страница 37: ...nd 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 proc...

Страница 39: ...o recall a previously stored display press the RECALL key This recalls the last display saved Press the left or right cursor keys to recall the previous or next locations respectively To exit RECALL p...

Страница 40: ...proceed as follows CLEAR ANY KEY DATA LOGGING DATA LOGGING ENTER VALUE CHANGE VALUE START LOGGING CHANGE VALUE START LOGGING FILENAME DATE TIME TRIGGER PERIODIC PERIOD POINTS FILENAME DATE TIME TRIGGE...

Страница 41: ...ent The RS 232 parameters of the instrument can be checked as detailed in Section 7 4 4 Set up a file on the PC to receive the data e g in the Windows HyperTerminal program To upload a file proceed as...

Страница 42: ...parameters of the PC match those of the instrument refer to Section 7 4 4 Make sure that the instrument is not already running a procedure If it is quit the procedure Download the procedure Procedures...

Страница 43: ...og directory To recall a data file to the display make sure that DATA LOG is selected from the SETUP menu and proceed as follows Use the cursor keys to select either the AS FOUND option or the AS LEFT...

Страница 44: ...d data via the RS232 interface connect the instrument to a free COM port on a compatible PC ensure that the instrument s RS232 parameters match those of the PC To display logged data in graphical form...

Страница 45: ...de Select STORE MODE from the Set up menu and select required mode as follows 7 3 Contrast Select CONTRAST from the Set up menu and proceed as follows 7 4 Settings Select Setup Option To select one of...

Страница 46: ...guage Select the LANGUAGE version required from the SETTINGS menu and proceed as follows SELECT UNIT TO ADD SELECT UNIT TO REMOVE SELECT REGULAR UNITS SELECT REGULAR UNITS REMOVE SELECT SELECT SPECIAL...

Страница 47: ...Refer to Section 8 for a full description of the calibration procedures SET COMMS SELECT PARAM SELECT VALUE SET COMMS DATA RATE DATA BITS STOP BITS PARITY NONE HANDSHAKE NONE DATA RATE DATA BITS STOP...

Страница 48: ...d by the underline cursor and the left and right keys select the required digit position 7 5 3 Set Time Select TIME from the DATE TIME menu and using the cursor keys change the time as shown below The...

Страница 49: ...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 sta...

Страница 50: ...cy Calibration Uncertainty Digital Voltmeter 5 V input 30 ppma 1 digit a ppm parts per million 10 ppma 5 V Digital Voltmeter 30 V input 45 ppma 1 digit 11 ppma 110 V Digital Ammeter 55 mA input 150 pp...

Страница 51: ...nternal Ranges Select the INT RANGES from the menu as shown above and follow the calibration procedure on the display 8 9 Internal Pressure Range Use the following procedure for calibrating the intern...

Страница 52: ...select INT RANGES from the CALIBRATION menu shown in Section 8 8 PRESSURE INT CURRENT IN VOLTAGE IN CALIBRATION SELECT OPTION CURRENT OUT TEMPERATURE CALIBRATING PRESSURE INT RANGE 20 000 bar g Apply...

Страница 53: ...tage source and connect a digital voltmeter across the source Figure 8 1 5 V Input Range Calibration Circuit Vs Voltage source SELECT CAL OPTION SELECT CAL OPTION SELECT RANGE 30 VOLTS 5 VOLTS CALIBRA...

Страница 54: ...RANGES from the CALIBRATION menu as shown in Section 8 8 2 Select 30 V range for calibration 3 Link the voltage input terminals with a short lead and enter the zero point Apply nominal FS value Press...

Страница 55: ...es to quit the CALIBRATION and SETUP modes 7 Verify the instrument calibration by applying the test voltages given in Table 8 3 on page 46 to the voltmeter after both voltage ranges have been calibrat...

Страница 56: ...ible Deviation Applied Voltage Permissible Deviation 30 0 05 rdg 0 004 FS 5 0 05 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...

Страница 57: ...T key four times to quit the CALIBRATION and SETUP modes 7 Verify the instrument calibration by applying the test currents given in Table 8 4 on page 48 to the ammeter 8 Disconnect the calibration tes...

Страница 58: ...Connect a digital ammeter to the instrument as shown below Table 8 4 Electrical Current Input Calibration Tolerances Current Calibration 55 mA Range Verification Tolerances Applied Current mA Permiss...

Страница 59: ...page 50 and checking the set values against the ammeter standard 55mA Vin mA in mA Sink max 30V max mA V CALIBRATING CURRENT RANGE 0 24 mA Measure 10 FS output Press ENTER key when applied value is s...

Страница 60: ...ment channel Table 8 5 Electrical Current Output Calibration Tolerances Current Output Calibration 24 mA Range Verification Tolerances Applied Current mA Permissible Deviation 0 0 05 rdg 0 01 FS 5 0 0...

Страница 61: ...u or four times to quit the CALIBRATION and SETUP modes 8 15 Calibrate External Sensors Use the following procedure for calibrating external pressure sensors 1 Connect the required external transducer...

Страница 62: ...calibration Press the EXIT key once to return to the calibration menu or four times to quit the CALIBRATION and SETUP modes 8 Check the calibration of the external transducer by applying the test pres...

Страница 63: ...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...

Страница 65: ...parts are brass stainless steel copper nylon and fluorocarbon rubber Viton The hydraulic fluid can be either demineralized water or one of the hydraulic fluids listed below 1 Isolation valve 2 Priming...

Страница 66: ...relevant health and safety precautions Use appropriate protective barriers and eye protection Before applying pressure examine all fittings and equipment for damage and ensure that all equipment is t...

Страница 67: ...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 system...

Страница 68: ...ressure 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 ins...

Страница 69: ...e output port Discard the contaminated fluid expelled during this process 3 Remove the bleed hose assembly 1 located to the output port and to prevent the ingress of any contaminant fit a blanking plu...

Страница 71: ...NO OF POINTS 11 RECORD TYPE 0 CURRENT mA PRESSURE INT bar 3 902 0 008 0 65 span 21 10 2006 15 58 55 6 076 2 311 1 42 span 21 10 2006 16 00 03 7 598 4 404 0 47 span 21 10 2006 16 00 57 8 085 5 023 0 4...

Страница 72: ...FAIL 21 10 2006 16 00 03 7 598 4 404 0 47 span PASS 21 10 2006 16 00 57 8 085 5 023 0 41 span PASS 21 10 2006 16 01 45 9 949 7 249 0 94 span PASS 21 10 2006 16 02 42 13 002 11 300 0 23 span PASS 21 10...

Страница 73: ...tool is used to connect to the appropriate Quick Fit pressure connector adaptor the adaptor should be removed from the Quick Fit pressure connector using the procedure in Appendix B 2 Figure B 2 Quick...

Страница 74: ...NPT or IO620 MET and tighten to the applicable torque 4 Re attach the adaptor to the Quick Fit pressure connector and hand tighten it Figure B 3 Remove Install Quick Fit Pressure Connector Procedure...

Страница 75: ......

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