DRO100 Digital Readout

DRO100 LCD Digital Readout System

The most cost-effective, entry-level digital readout system that incorporates display technology, the DRO100 offers features and versatile software. Designed and manufactured in the USA, ACU-RITE readouts are the first choice of machine tool builders and users alike.

DRO100 support

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    Long-distance legibility

    In “dynamic zoom” mode, the position value is zoomed to its maximum size depending on the number of digits. This greatly improves legibility—especially from a great distance. Click here to see Dynamic Zoom in action.

    Adjusts to the machine environment

    Day/night switching allows you to change from a light or dark background depending on the ambient-light conditions at the machine.

    Step-by-step, on-screen installation guide

    When you switch on the digital readout for the first time, the DRO100 supports you with an installation guide. You are led step by step through the most important settings until the device is ready for operation.

    International documentation

    Visit our Manuals & Flyers page and scroll to the bottom for international documentation.

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    Curious about ROI?

    With our DRO ROI calculator, you can input your shop’s characteristics and find out how quickly a DRO can pay you back.

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    Frequently Asked Questions

    What is the difference between DRO100 and DRO203?

    In the 100 series, DRO101 works with one axis, DRO102 two axes and DRO103 three axes. The DRO203 model works with two or three axes from A to Z and Z0. The DRO100 series provides the most popular readout functions. The DRO203 provides those, plus convenient milling- and turning-specific functions.

    How many tool offsets does the DRO100 allow?

    The DRO100 series does not accommodate tool offsets. The DRO203 allows for 16 offsets and DRO300 offers 99.


    Application Milling, turning, grinding, boring and general purpose
    Axes Up to 3
    Encoder Inputs TTL
    Display Step
    • Adjustable, max. 7 digits
    • Linear axis: 1 mm to 0.0001 mm
    • Angular axis: 1° to 0.001° (00° 00′ 01”)
    • 1 Axis (DRO101), 2 Axes (DRO102) or 3 Axes (DRO103)
    • 7-inch color wide screen (15:9)
    • Resolution 800 x 480 pixels for Position Values, Dialog Messages, Input and Graphic Functions
    Status Display
    • mm/inch
    • abs/inc
    • feed rate display
    • Feed Rate Display
    • Multiple Language Support
    • Absolute/Incremental
    • Help Function
    • Zero Reset
    • Instant Inch/mm Conversion
    • Instant Radius/Diameter Conversion
    • Axis error: Linear 1 segment
    • Position-Trac™ Home Reference System
     Data Interface  USB 2.0 type C
    • For Output of Parameters to a USB Stick or PC
    • For Input of Parameters, Remote Control of Keys and Commands
    • Single-Position Tilting Base
    • Multiposition Holder
    • Protective Cover
    Electrical Requirements AC 100 V to 240 V (±10 %), 50 Hz to 60 Hz (±5 %), ≤ 33 W
    Operating Temperature 0° to 45º C (32º to 113º F)
    Protection EN60529 IP 40, front panel IP 54
    Weight 1.5 kg