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Summary of Contents for Ametek JOFRA IPI
- Page 1 Adjustment Manual Industrial Pressure Calibrator JOFRA IPI & IPI Mk.II...
- Page 2 Supervisory Mode and Calibration Instructions for IPI Industrial Pressure Indicator Using the Supervisory Mode Push the CONFIG button to access the user-settable functions on the indicator. Each time the CONFIG button is pressed; the display advances to the next function. Press CONFIG repeatedly until “FUnC LOCK”...
- Page 3 When a function is “locked, it cannot be accessed or changed from its current state. To change a locked function, enter the supervisory mode, and unlock the function. Once it is changed, you may enter supervisory mode to lock access again. 5.
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Page 4: Manual Calibration
Calibration Interval You should check performance of the IPI at the interval required by your calibration program. We recommend adjustment when measurement deviates by more than 75% of the specified accuracy, or 0.04% Test Equipment Verification and calibration of the IPI requires pressure and/or vacuum standards able to produce and indicate pressures from vacuum to the full-scale range of the unit under test. - Page 5 Use the Pressure Standard to output 500.00 psi (100%). After the output has stabilized, press the ENTER key to continue. As the unit takes readings, the screen will show -------. When the readings are complete the screen should look as shown in the illustration that follows. 437.50 CAL MODE Use the Pressure Standard to output 437.50 psi (87.5%).
- Page 6 Use the Pressure Standard to output 312.50 psi (62.5%). After the output has stabilized, press the ENTER key to continue. As the unit takes readings, the screen will show -------. When the readings are complete the screen should look as shown below. 250.00 CAL MODE Use the Pressure Standard to output 250.00 psi (50%).
- Page 7 Use the Pressure Standard to output 125.00 psi (25%). After the output has stabilized, press the ENTER key to continue. As the unit takes readings, the screen will show -------. When the readings are complete the screen should look as shown below. 62.50 CAL MODE Use the Pressure Standard to output 62.50 psi (12.5%).
- Page 8 Use the Pressure Standard to output -12.00 psi. After the output has stabilized, press the ENTER key to continue. As the unit takes readings, the screen will show -------. When the readings are complete the unit will reset and power up in normal mode. Serial Calibration Entering Calibration Mode The terminal communications can be setup using terminal...
- Page 9 The password is FLD_CAL. Enter the password correctly and the following will be displayed on the terminal. Calibration Menu 1: Calibrate Temperature 2: Set Sensor Parameters 3: Calibrate Pressure 4: Reset Temp Compensation 5: First point above ambient Temp Comp 6: Second point above ambient Temp Comp 7: First point below ambient Temp Comp 8: Second point below ambient Temp Comp...
- Page 10 Procedure After all connections have been made, type 3 {enter}. Use the Pressure Standard to input –approximately 200,150,100,50,0, and -12 psi as prompted. When the value is stable, type in the actual value at the keyboard. The screen should look as shown below.
- Page 11 Conversions for Calibration in SI units. Since the IPI calibration points do not have to be at the exact PSI values stated in the procedure, when calibrating in SI units similar values to the following conversion can be used (500 psi combination range example shown).
- Page 12 AMETEK Inc. - Guangzhou Tel +49 (0)2159 9136 510 Tel +91 22 2836 4750 Tel +86 20 8363 4768 info.mct-de@ametek.de jofra@ametek.com jofra.sales@ametek.com.cn Information in this document is subject to change without notice. ©2012, by AMETEK, Inc., www.ametek.com. All rights reserved.
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