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Aircraft Indicators
Backlit Inclinometers
Ball Banking
Bubble Levels
Boom Angle
Slip Indicators
Tilt Switches

Digital Inclinometers:  RDI LCD Display Systems

The photos shown are examples of the available configurations. Click an individual image below for a detailed specification brochure. Please call us today to assist you with the selection.

General Purpose

RDI Standard Digital Inclinometer

 4120BBL Boom Angle Indicator

RDI Standard Series:

Display/Inclinometer Box

RDR Model Series:

Display/Remote Package

RAD/RAS Industrial Series:

Remote Angle Display reading

1 or 2 remote inclinometers

Application Specific
Transportation: Ball Banking Pro Sound: Line Array Installation

Lift Equipment: Boom Angle Indication

Roll Over Safety:  "ON-OFF" Switch

RDS7-BB Digital Ball Bank Indicator

4120BBL Boom Angle Indicator


Model RDS7-BB-09

RAD PRO AV Flex Series

Model RDSR3-BA-09

Switch Output Only Packages:

Rieker’s RDI SERIES of digital inclinometers is a complete angle monitoring and early warning system. Available in both single or dual axis packages, these units provide accurate tilt sensing in an rugged, environmentally protected housing - temperature compensation can be added to increase accuracy over temperature. The RDI is the most flexible and multi-purpose digital LCD display inclinometer system on the market today.

Features and Options (not all are available in certain combinations)
  • Single and Dual Axis

  • Remote Angle Sensing Packages

  • Input Ranges from ±4° to ±70°

  • Output Options:

    > Analog 0-5V

    > Serial RS232

    > Open Collector Switch Outputs

    > Relay Switch (12VDC or 24VDC)

  • Power Supply Options:

    > 8-30VDC non-regulated

    > 9V Battery

    > 110VAC or 240VAC Wall Adaptor

    > Cigarette Lighter Adaptor

  • LCD Displays Angle in either:

    > Degrees

    > Percent Grade

  • 0.1° or 0.01° Display Resolution

  • Relative Zero Button

  • Minimum / Maximum Angle Button

  • Up to 4 Open Collector Switch Outputs

  • Adjustable Trip Angle Settings

  • High Current-Sink Capability

  • Lamp/Solenoid/Relay Drive

  • Equipment Roll Over/Slope Warning

  • Platform Leveling

  • Speaker & Sound System Coordination

  • Pitch and Roll Monitoring

  • Vehicle Tilt Monitoring

  • Antenna Positioning

  • Safe Corner Speed Determination

  • Boom Angle Indication


  • Aerial Work Platforms

  • Cranes & Derricks

  • Refuse & Dump Trucks 

  • Agricultural Equipment

  • Excavators, Graders, & Pavers

  • Drilling & Mining Equipment

  • Fire & Rescue

  • Rough Terrain Fork Lifts

  • Timber Processors 


If you have an application that requires custom specifications, please contact us today

with your requirements.  One of our engineers will be happy to speak with you.

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Contact Information

Rieker Inc.
34 Mount Pleasant Rd
Aston, PA 19014
Ph: (610) 500-2000
Fax: (610) 500-2002
Toll Free: (800) 497-4523
Hours of Operation:
8am-5pm EST

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