Product category:
Accelerometers and Vibration Sensors
News Release from: Rieker Electronics | Subject: GC Series
Edited by the Engineeringtalk Editorial
Team on 24 March 2003
Inclinometer makes the grade
Rieker Electronics has developed a remote angle control series of digital inclinometers for grading and excavating equipment.
Rieker Electronics has developed a remote angle control series of digital inclinometers for grading and excavating equipment The Grade Control inclinometer package is designed to monitor slope and regulate both hydraulic and pneumatic systems
This article was originally published on Engineeringtalk on 31 May 2002 at 8.00am (UK)
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Providing constant angle feedback to hydraulic and pneumatic solenoid valves, the GC Series of controllers provides a digital LCD of slope in degrees, percent grade, or inch per foot rise from the remote sensor box.
The display unit features automatic and manual controls that allow adjustable grade settings, continuous or pulsed operation, slope level, dead band, and gain adjustments.
Packages can be customised for most hydraulic control applications.
For grade control the full measurement range is +/-6% and can be adjusted down to 0.5% or 0.3 degrees grade.
The full control range is +/-4.5% with slope adjustment range at +/-3%.
The LCD resolution is 0.1%, the input voltage is 8-30V DC, and the unit will operate in temperatures of -20 to +70C.
When the unit is operating the LCD indicates the current slope, manual or auto control mode, and the calibrated slope value.
If the sensor is out of range the set value will display "out" and either "+" or "-" to indicate the direction the plough is out.
Adjustments of grade setting in both manual and automatic control modes are done by simply pressing the up and down arrows - the operator adjusts the setting during operation for instant control.
The function button allows the user to select between pulse width, dead band, and gain, then pressing the up and down arrows to calibrate the selection.
The pulsewidth can be adjusted from 60 to 100Hz (above 100Hz the output is continuous), the dead band from 0.1 to 1.0% and the gain from 20 to 100% (20% gives the widest window of pulsed output around the control point (+/-1.4%), and 100% has no pulsed output around the control point.
The optional analogue filter can be adjusted by simply rotating a dial from 0 through 9 - zero is the lowest filter setting (16Hz or 62ms) and 9 is the maximum (0.75Hz or 1.3s).
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