Ametek JOFRA HPC600 Скачать руководство пользователя страница 6 | Manualshive

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2. Calibrator Interface

Figure 1 shows the location of the pressure controls, connection port and
electrical inputs.

Figure 1

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Содержание JOFRA HPC600

Страница 1: ...because calibration is a matter of confidence User Manual Handheld Pressure Calibrator JOFRA HPC600 Copyright 2010 AMETEK Denmark A S...

Страница 2: ...with External Modules 21 5 Measuring and Generating Current 22 6 Measuring Voltage 24 7 Measuring Temperature with an RTD 24 8 Performing a Pressure Switch Test 25 9 Calibrating Transmitters 28 9 1 U...

Страница 3: ...er range of pressure calibration options including absolute and differential 1 1 Contacting AMETEK JOFRA US Canada Latin America AMETEK M CT 1 800 527 9999 Europe Africa Middle East AMETEK Denmark A S...

Страница 4: ...as specified in this manual otherwise injury and damage to the calibrator may occur Warning To avoid possible electric shock or personal injury Do not apply more than the rated voltage See specificat...

Страница 5: ...e calibrator if it operates abnormally Protection may be impaired When in doubt have the calibrator serviced Do not operate the calibrator around explosive gas vapor or dust When measuring pressure ma...

Страница 6: ...2 Calibrator Interface Figure 1 shows the location of the pressure controls connection port and electrical inputs Figure 1 4...

Страница 7: ...Return to main menu screen 6 Pump Key Push to run pump Electric pump version Note When the calibrator is turned on by pressing the ON OFF key it will go through a short startup self check routine Dur...

Страница 8: ...Span Indicator Indicates the percent of the 4 to 20 mA span For mA and mA Loop functions only 3 Pressure Units Indicates one of 15 pressure units available for display 4 Units Indicates the unit of m...

Страница 9: ...currently The ability to select certain functions is limited based on what is already selected in another display The NEXT option is used to change to the second parameter Only RTD and Pressure modes...

Страница 10: ...f when the key is pressed this is one of the few functions that cannot be controlled by the serial interface There is a user defined timer configuration setting for the backlight in the function menus...

Страница 11: ...ssing either the SET or RESET key the user will be prompted to either confirm or cancel their selection 2 4 Other Menu Controlled Functions There are sub main menus that can be accessed through the MO...

Страница 12: ...stor on and off Page 18 2 4 12 RESULOTION select display resolution Page 18 2 4 13 PUMP setup of electrical pump Page 19 2 4 01 ERROR calculation The calibrator features a function which can calculate...

Страница 13: ...toggled on off select NEXT when done 5 Use SELECT to toggle through the UNIT options and select NEXT to move on 6 Use the cursor keys to set the 100 point of the desired pressure range select DONE SE...

Страница 14: ...The calibrator features a leak test function which calculate leak rate The timer can be set from 5 to 120 seconds regardless of the set time the leak rate is calculated in leak per minute The function...

Страница 15: ...e on 5 Use cursor keys to set test time and press DONE SET to confirm Note The units and time will be saved in non volatile memory until they are changed again by the user They may be used at the next...

Страница 16: ...until MINMAX appears in the left text field now press the F1 key to activate the Min Max storage function 2 After the Min Max has been activated pressing the F1 key will toggle the display through th...

Страница 17: ...and the menu display continues to the next sub main menu To use the Locking function proceed as follows 1 With the calibrator turned on and operating press the F3 key to activate the MORE menu option...

Страница 18: ...off parameters select the AUTO OFF option on the Auto Shut Off Main Menu 3 Use the cursor keys to select the number of minutes before the calibrator turns off or disable auto shut off by scrolling al...

Страница 19: ...e displays are deactivated the LOWER display will come on automat ically 2 4 09 Setting the RTD probe type The JOFRA HPC600 has a built in high accuracy RTD thermometer it works with an RTD sensor opt...

Страница 20: ...HART resistor on or off An internal 250 ohm HART Resistor can be enabled when the JOFRA HPC600 is operated in the mA Measure 24V mode This allows a HART Communicator to be connected across the mA ter...

Страница 21: ...Setup and Basic Pressure Generation 1 The JOFRA HPC600 is supplied with a special low volume calibration hose kit to facilitate faster pumping to pressure and quick pressure stabilization the kit also...

Страница 22: ...a small lightweight battery powered pneumatic pump that allows the user up to 10 bar 150 psi quickly and with good control Because the pump has an upper pressure generation limit of 11 bar 160psi the...

Страница 23: ...range sensors Use the ZERO key to zero the pressure sensor when vented to atmospheric pressure Important NOTE To protect sensor integrity and prevent damage to the sensor the calibrator will display...

Страница 24: ...ate OL when the measured current exceeds the nominal range of current measurement 24 milliAmps 2 To source current the same connections are used From the configuration screen select mA source or mA Si...

Страница 25: ...23 5 While in the mA output mode if the loop is opened or the compliance is exceeded the unit will flash OL Figure 6 1 Figure 6 2 Figure 6 3...

Страница 26: ...an RTD To measure temperature using an RTD probe you must select the RTD function on one of the displays Make sure the proper probe type is selected There are 4 probe types supported P100 385 P100 392...

Страница 27: ...t range of the RTD function below 40 C or above 155 C If a custom probe is being used or adjustment of a standard probe is wanted entering of CvD parameters R0 and coefficients is handled through the...

Страница 28: ...re the vent on the pump is open Zero the calibrator if necessary Close the vent after zeroing the calibrator 4 The top of the display will read CLOSE 5 Apply pressure with the pump slowly until the sw...

Страница 29: ...and perform another test 10 Press the DONE option to end the test and return to the standard pressure setting Example P1 ST will return to P1 Important NOTE The previous example uses a normally closed...

Страница 30: ...ator 2 Actively Where the calibrator supplies 24 VDC loop power to the device under test to power the device while reading the resulting 4 20 mA signal 9 2 Calibrating a Pressure to Current Transmitte...

Страница 31: ...res a unique function which can calculate pressure vs milliamp error as a percentage of the 4 to 20 mA loop span The percent error mode uses all 3 screens and has a unique menu structure It simultaneo...

Страница 32: ...if it becomes difficult to set an exact pressure with the pump To use the ERROR function proceed as follows 1 With the calibrator turned on and operating press the F3 key to activate the MORE menu op...

Страница 33: ...when finished and the ERROR mode will be ready to use Note The 0 and 100 point will be saved in non volatile memory until they are changed again by the user for the internal sensors and external pres...

Страница 34: ...so that the new min max values will be recorded while in this mode To reset the min max registers simply press the clear key These registers are also cleared at power up or when the configuration is...

Страница 35: ...3 The first option is setting the Port use the select option to scroll through the port choices when finished select the NEXT option 4 Use SELECT to toggle through the UNIT options and select NEXT to...

Страница 36: ...rate function 12 Factory Setups The Calibrator is loaded with five factory commonly used setups These setups are shown below Note Any of these setups can be changed and saved by the user Setup 1 The u...

Страница 37: ...1 mode and the middle is set to RTD lower is mA Setup 4 The lower display is set to P1 switch test the other displays are off Setup 5 The upper display is set to P1 the middle display is set to EXT an...

Страница 38: ...TD static and differential pressures make sure the flow computer has the correct reading If not adjust the flow computer as necessary 14 Remote Operation 14 1 Remote Interface The calibrator can be re...

Страница 39: ...bined 1 8 NPT BSP Port P pressure module adapter or RS232 cable RTD probe Included Accessories Soft case batteries manual full NIST traceable calibration certificate in psi bar and Pa test leads and h...

Страница 40: ...ies discharge too deeply the JOFRA HPC600 will automatically shut down to avoid battery leakage Note Use only AA size alkaline or Lithium batteries or optional rechargeable NiMh cells 16 2 Cleaning th...

Страница 41: ...prings for wear or loss of tension They should be approximately 8 6 mm long in the relaxed state If shorter they may not provide sufficient sealing tension Replace if needed 8 Once all parts have been...

Страница 42: ...40 Appendix X...

Страница 43: ...41...

Страница 44: ...2109 3 10546 3 cmH2O 20 C 70 4336 2113 0 10565 0 mmH2O 4 C 703 089 21093 N A mmH2O 20 C 704 336 21130 N A inH2O 4 C 27 68067 830 42 4152 1 inH2O 20 C 27 72977 831 89 4159 5 inH2O 60 F 27 70759 831 23...

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Страница 48: ...and a technological point of view JOFRA Temperature Instruments Portable precision thermometers Dry block and liquid bath calibrators 4 series with more than 25 models and temperature ranges from 90 t...

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