XP2i Digital Pressure Gauge Manual
43Pages

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Catalog excerpts

XP2i Digital Pressure Gauge Manual - 1

Operation Manua for XP2i Digital Test Gauge (Standard and Dual-Display(DD)) TEST & CALIBRATION INSTRUMENTS

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Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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XP2i Digital Pressure Gauge Manual - 3

Overview INTRODUCTION Thank you for choosing the XP2i Digital Test Gauge from Crystal Engineering Corporation. Your XP2i is a combination of leading edge technology and rugged industrial design. Accuracy is 0.1 percent of reading–so any XP2i can typically replace several gauges you may have been using. The XP2i is fully temperature compensated–so there is no change in accuracy throughout the entire operating temperature range! The XP2i’s case is made from rugged aluminum alloy utilizing a gasket to seal the enclosure against dust and water intrusion. Even the RS-232 connector is fully...

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OPERATING INSTRUCTIONS The XP2i is shipped with batteries installed, so it’s ready to use. Press and hold the (on/off ) button. The XP2i will first test all LCD segments. Release the (on/off ) button when the XP2i indicates pressure. The XP2i always resumes operation in the mode and the units of the pressure last used, and it does not automatically rezero when turned on. Connect the XP2i to your system. !!CAUTION: Use a wrench (¾" or 19mm) for installation and removal of XP2i! There is a limit to how much rotational force can be applied to the case, so don’t rely on, or use, the case to...

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XP2i Digital Pressure Gauge Manual - 5

Functions units Units Button Pressing this button causes the XP2i to select the next available unit of pressure measurement. See Pressure Ranges, Display Scales, & Resolution on page 28 or the list of pressure units available for your model. Units that you don’t need or never use can be turned off. You can also define a special unit for your XP2i with ConfigXP. You can use the XP2i to display directly in a unit not otherwise available, such as feet of seawater, or foot-pounds of torque. When you select your custom unit from the keypad, the screen displays the USER icon. Hi Peak Button On...

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XP2i Digital Pressure Gauge Manual - 6

Resetting (Clearing) Recorded Peak Values Peak values can only be cleared when displaying either a Peak High or Peak Low recorded pressure. Press the (clear) button for at least ½ second. Dashed lines will briefly appear across the display indicating that both Peak values have been cleared. Both Peak High and Peak Low values will then display the current applied pressure. Pressing the (clear) button while either the Peak High ( need to rezero the gauge, you must turn off both peak icons by pressing the (peak) button. zero ) icon is displayed will not affect the zero value. If you If you...

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Tare (-DD, Dual-Line Display XP2i Only) Tare is a constant value subtracted from the true pressure. For instance, if you were mixing gases by partial pressure, you might want to fill a tank to 1760 psi with air, then add another 440 psi of helium. To reduce the chance of error, you could tare the gauge at 1760 psi. Then you would add helium until the indication reached 440. Press the Tare button Top-off with helium In contrast to the Zero function discussed previously, Tare is not subject to the Zero Limit set in ConfigXP. Tare is available only when the TARE icon is on. To use the Tare...

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XP2i Digital Pressure Gauge Manual - 8

Automatic Shut-off The XP2i has a shutoff timer and will turn off automatically after 20 minutes of non-operation. Pressing any button or sending any command via the RS-232 connection resets the shutoff timer for another 20 minutes of operation. The XP2i will briefly display Auto Off 20 when turned on. To disable the shutoff feature, turn on the XP2i by pressing the (on/off) and (zero) buttons simultaneously. The XP2i will briefly display the words No Auto Off to indicate that it will not turn off. The shutoff feature can be enabled again when turning the XP2i on, by pressing the same...

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XP2i Digital Pressure Gauge Manual - 9

Water Density (Inches of Water) The following applies only to models where inches of water is a selectable pressure unit. As shipped from the factory, the XP2i is set to display inches of water corresponding to the density of water at 4° C (39.2° F). You may require a different water density for your application, so the XP2i can be set to use the density of water at 20° C (68° F) or 15.6° C (60° F) instead. To check and/or change the water density setting from the keypad, turn on the XP2i by pressing the (on/off ) button and the (peak) button simultaneously. The display will indicate either...

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Low Battery Indication The Battery icon ( ) uses three bars to display the battery level. When the icon displays all three bars, the batteries are full. The XP2i will continue to operate accurately while the icon is visible. When the batteries are exhausted, the letters batt will appear across the display. After batt appears, no pressure measurements will be possible until the batteries are replaced. Battery Replacement The XP2i uses 3 AA batteries. Loosen the four rear panel screws to gain access to the battery compartment. These four panel screws are captive inside the panel and are not...

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Reset If for some reason the XP2i needs to be reset, remove any battery for at least one minute, then reinstall the battery. If the reset is successful, the XP2i will start operating without pressing the (on/off) button. Reset will clear the zero, peak values will be reset to the current reading, and the XP2i will be set to the default engineering units. !!WARNING: Do not remove or change the batteries in hazardous locations. Communications/Programming The XP2i responds to a query-based command language which allows remote control of the gauge. Please refer to the XP2i Programming...

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