Ashcroft GC31 - Digital Pressure Sensor Manual de usuario

1Version 5.0 10/07Installation and MaintenanceInstructions for GC31Ultra-Compact DigitalPressure SensorAshcroft Inc. 250 East Main Street, Stratford,

105. NOISE PREVENTIONPower SupplyThe pressure display can fluctuate and provide incorrect output if noise is present in thepower supply/wire. Care sho

11Pressing the MODE key for 3 seconds displays “---”. To return to measurement mode fromeach setting mode, the “---” display will flash when 3 seconds

12Caution: Editing the setting value in function setting mode resets all of the setting valuesincluding the switch. Please note that when the reset se

139C. SELECTING STANDARD OR CUSTOM SCALING MODEWhen the et( is selected in “Display Selection”, the display value of pressure for appliedpressure disp

14NOTE: if the switch’s setting value is set outside the display range, the switch’s setting valuecan be rewritten automatically by the function setti

1511. SWITCH OPERATION – HYSTERESIS/DEADBANDSetting the upper limitThis is the mode in which the switch operates with the setting value (A) as the upp

16Loop check functionAt the end of the Switch Operation Menu is the Loop Check function. Using the MODE keyto select the Loop Check function. After lo

17Maximum/Minimum Pressure CaptureThe GC31 unit keeps the maximum and minimum pressure level applied to the pressure portas peak and bottom values res

1814. MAINTENANCE AND WARRANTYPeriodic InspectionDepending upon the type of use periodic inspection is recommended at least once a year.Please refer t

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20© 2009 Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USATel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.comAll sales subject to standard

3CONTENTSCAUTION ... 41. SPECIFIC

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5WARNING! READBEFORE INSTALLATION1. GENERAL:A failure resulting in injury or damage may be caused by excessive overpressure, exces-sive vibration or p

61. SPECIFICATIONS:PERFORMANCE SPECIFICATIONSAnalog Output (1–5Vdc):Accuracy: ±1.0% FS (Accuracy includes the effects of Linearity, Hysteresis and Rep

72. PRODUCT DIMENSIONSLower Connect Type with1⁄4NPT Male (G1⁄4B optional)1.18301.18301.18301.57Back Connect Type with1⁄4NPT Male (G1⁄4B optional).7920

83. INSTALLATIONInstall in a location where vibration and shock can be minimized and without direct sunlight onthe display in compliance with IP40 env

9NPN Type Switch Function (wiring to relay)PNP Type Switch Function (wiring to relay)GC31(Brown)(Black-White)80mA max.(Blue)Power (+)Power (–)Relay Ou