Ashcroft GX-3 Installation And Operating Instructions Manual

Differential indicating pressure transducer

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Installation and Operating
Instructions for GXLdp
Differential Indicating
Pressure Transducer
Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA
Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com
All sales subject to standard terms and conditions of sale.
© 2022 Ashcroft Inc. I&M011-10287_RevD_12-08-22
1

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Summary of Contents for Ashcroft GX-3

  • Page 1 Installation and Operating Instructions for GXLdp Differential Indicating Pressure Transducer Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com All sales subject to standard terms and conditions of sale. © 2022 Ashcroft Inc. I&M011-10287_RevD_12-08-22...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Warnings/ General Information..............4 Keypad Functions & LCD Display..............5 Menu Functions/Programming..............6-14 Error Messages....................15 Display Resolution Table................16 Wiring Diagrams..................17-18 Specifications....................19 General Dimensions..................20 Panel Mount Dimensions................21 Load Limitation Chart................... 22...
  • Page 4: Warnings/ General Information

    WARNING! READ BEFORE INSTALLATION INSTALLATION AND WIRING INSTRUCTIONS DESCRIPTION: Mounting: The Ashcroft Model GXLdp Differential In- The GXLdp transducer can be mounted on dicating Pressure Transducer is to be used a 35 mm DIN rail or with #8 or #10 screws with clean, dry, non-corrosive gases.
  • Page 5: Keypad Functions & Lcd Display

    KEYPAD FUNCTIONS AND LCD DISPLAY INFORMATION Keypad Functions: Up Arrow Backlight/Back ® SpoolCal Down Arrow Menu/Enter LCD Display Information: The top (numerical) display portion reads the current pressure range during normal operation. The lower (alphanumeric) display portion reads the engineering units during normal operation.
  • Page 6: Menu Functions/Programming

    MENU FUNCTIONS/PROGRAMMING Up Arrow Button Keypad Functions Backlight/Back The up arrow generally scrolls up in the menu tree, or performs an adjustment. The up arrow also allows the user to check The back button generally moves back the configuration/settings of the GXLdp: one screen in the menu.
  • Page 7 MAIN MENU SELECTIONS: Up Arrow Button (continued) A OUT – Analog Output: Allows user to choose output signal. DAMP – Dampening: Allows user to vary the response time of the GXLdp output. The digital display and the analog output are both updated with the use of the DAMP function.
  • Page 8 Field Selection of the Analog Output: 3. Scroll using the up or down arrow buttons 1. To change the Analog Output, press the until the desired dampening time Menu/Enter button , and scroll is flashing. Then press Menu/Enter through the main menu until ‘A OUT’ is Then ‘SAVE’...
  • Page 9 scroll using the up or down arrow buttons 7. ‘ADJST/SPAN’ will now be flashing on the until ‘RECAL’ is flashing on the dis- display. play. Then press Menu/Enter again. 8. You will need an external reference pres- 2. Then the menu choices will be FACT/ sure source to adjust the span setting.
  • Page 10 3. When ‘FIELD’ is flashing on the display, 1. Press Menu/Enter and scroll using press the Menu/Enter button the up or down arrows until ‘ZERO’ 4. Then with ‘SAVE’ flashing on the display is flashing on the display. press the Menu/Enter button 2.
  • Page 11 (NOTE: for Bidirectional ranges you can (Monitor) mode, the live system pressure can set the switch for a negative set point, be monitored with an ASHCROFT ATE-2 Cal- this will be designated by a minus sign ibrator or other handheld instrument without showing in front of the set point on the physically unplugging the process tubes.
  • Page 12 ® GXLdp SPOOLCAL OPERATION From the ‘OFF’ position, the SpoolCal ® actuator tool can be inserted and removed. Rotate the actuator tool 90° clockwise for Calibration mode (CAL) or 90° counter clockwise for Monitor mode (MONITOR) ROTATE KEY 90° CLOCKWISE TO (CAL) POSITION OFF POSITION ROTATE KEY 90°...
  • Page 13 Calibration (CAL): 6. If ‘SAVE’ is flashing and you do not wish Both zero and span adjustments are made to ‘SAVE’ the factory calibration, use the through the menu. (For complete calibration up or down arrow buttons to scroll details of the GXLdp without using the Spool to ‘CANCL’...
  • Page 14 Ashcroft ATE-2. Connect the tubing from 15. Once you have finished a NEW calibra- the portable instrument to both the high and...
  • Page 15: Error Messages

    GXLdp Error Messages Note: Multiple Errors may be displayed. Configuration Error. Mismatch between sensor serial number Err02 on the sensor board and the sensor serial number recorded on the display board. FATAL ERROR. Calibration Error. Device has not been factory calibrated or the Err03 factory calibration data is corrupt.
  • Page 16: Display Resolution Table

    GXLdp Display Resolution Table in. H O Unidirectional in. H O Bidirectional 0.10 in. H 0.0000 0.1000 (±) 0.05 in. H -0.0500 0.0500 0.20 in. H 0.0000 0.2000 (±) 0.10 in. H -0.1000 0.1000 0.25 in. H 0.0000 0.2500 (±) 0.25 in. H -0.2500 0.2500 0.40 in.
  • Page 17: Wiring Diagrams

    GXLdp Wiring Diagrams 2 Wire 4-20 mA Output Vout Power Optional Low-Side current − sense shown in dashed lines 3 Wire 4-20 mA Output Vout Power − Vout 3 Wire 4-20 mA Output 30Vdc/50mA Max 30Vdc/50mA Max With PNP Switches PNP Load PNP Load Power...
  • Page 18 GXLdp Wiring Diagrams 3 Wire Voltage Output V− Vout Power − − Vdc/Vac V− Vout 3 Wire Voltage Output 30Vdc/50mA Max 30Vdc/50mA Max With NPN Switches NPN Load NPN Load Power − − Vdc/Vac 3 Wire Voltage Output V− Vout with PNP Switches 30Vdc/50mA Max 30Vdc/50mA Max...
  • Page 19: Specifications

    GXLdp SPECIFICATIONS Accuracy: LCD Screen Dimensions: ±0.25% or ±0.50% of Span, Terminal Point 2.63˝ Width x 1.38˝ Height Method LCD Character Size: Range Capability (Unidirectional): 7-segment (Numeric display): 0.32˝ Width x 0.65˝ Height 0.1 in. through 25 in. , 25 Pa through 6 kPa, 0.25 mb through 60 mb 14-segment (Alphanumeric display) : 0.28˝...
  • Page 20: General Dimensions

    GXLdp GENERAL DIMENSIONS R.10 2.70 4.09 1.45 5.14 1.86 2.68 2X Ø .20 1.34 TYP. 1.95 1.59. 5.49. R5.24 150° 1.67 1.40 5.93 HIGH SIDE 1.00 [25.5] 1.71 [43.3] 1.23 [31.2] 0.83 [21.0] 3.97 [100.9] LOW SIDE 'OFF'...
  • Page 21: Panel Mount Dimensions

    GXLdp PANEL MOUNTING INSTRUCTIONS & DIMENSIONS To install the unit to the panel mounting: 1. Make a cutout 7˝ minimum vertical x 5.9˝ minimum horizontal in your panel or mounting location. 2. Provide (4) 6-32 threaded holes as shown in the drawings below. 3.
  • Page 22: Load Limitation Chart

    LOAD LIMITATION GRAPH Load Limitations 4-20 mA Output Only 1273 1200 1000 OPERATING REGION 20 24 = 12V + [0.022A* x (R (*includes a 10% safety factor) = Loop Resistance (Ohms) = Sense Resistance (Ohms) = Wire Resistance (Ohms)
  • Page 24 Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281, Fax: 203-385-0402, www.ashcroft.com All sales subject to standard terms and conditions of sale. © 2022 Ashcroft Inc. I&M011-10287_RevD_12-08-22...

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