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SimpleDROTM Digital Read Out
Specifications & Product Details

SimpleDROTM is the initial product offering in the ESP Posi-GaugeTM line of positioning and measuring instruments. SimpleDROTM combines precise multi-axis measurement & display (±0.0005"/±0.01mm) with extreme simplicity of operation. These advantages are complemented by market-leading end-user pricing - $524.95! The SimpleDROTM package consists of three (3) appropriately-sized optical scale units, a readout/display unit, a universal 5V power supply, and all necessary interconnect cabling. SimpleDROTM can be configured for operation on wide variety of vertical mills, mill-drills, and lathes.
SimpleDRO Display Unit

Model Number 2134-04B-000x; x = # axes
Dimensions 9.0"(w) X 5.5"(h) X 1.375"(d)

230mm(w) X 140mm(h) X 35mm(d)
Weight ~1.0lb; 0.5Kg
Display Resolution 0.0005"/0.01mm
Position Display 7 digits + decimal point & sign/7-segment display (each axis)
DRO Functions XYZ Zero(Null), Incr/Abs, inch/mm, Setup
Setup Functions Diameter/Radius (Y-axis), Machine Error Compensation (each axis),

Axis Sense (each axis), Display Intensity, Axis Enable/Disable (each axis),

Display Software Version
Indicators XYZ Zero(Null)/Select, Incr/Abs, inch/mm, Dia/Rad, Setup
Buttons Positive-Action Pushbuttons
Signaling Quadrature, TTL compatible
Interconnect 3m/10', RJ-12
Power 5V @ 1.6A(Max) Regulated; CE/UL Universal PowerPack (included)
Safety Conformance CE: MD, LVD - excluded; EMCD - pending

UL: excluded - SELV compliant
Mounting VESA (75mm) standard 25mm/M4 stud pattern


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SimpleDRO Linear Scales

Model Number(s) 2120-04C-xxxx; xxxx=length of active scale, mm
Detector/Encoder linear optical scale w/ non-contact pickup
Active Scale Lengths 3"(75mm) ≤ standard ≤ 41"(1041mm)
Encoder Resolution 0.00025" (6.4um)
Signaling Quadrature, TTL compatible
Housing Dimensions 1.28"(h) X 0.75"(d) X [[xxxx+127]/25.4]"(l)

32mm(h) X 19mm(d) X [xxxx+127]mm(l)
Pickup Dimensions 2.0"(h) X 2.0"(w); 51mm(h) X 51mm(w)
Interconnect 3m/10', RJ-12
Maximum Velocity 250 ft/min (minimum; 76 m/min (minimum)
Safety Conformance CE: MD, LVD - excluded; EMCD - pending

UL: excluded - SELV compliant
Mounting Housing: (2) socket-head M6

Pickup: (3) socket-head M3 w/ spacers


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SimpleDRO System

Packaging • Three (3) Axis Scale Units, any size(3"-41") • One (1) Display Unit

• Three (3) Signal Cables @ 3m/10' • One (1) Universal Power Supply

• Mounting Hardware Packet • Installation & Operations Manual
USA End-User Pricing Three (3) Axis Package - $524.95 USD; all prices FOB, Quakertown, PA
Distribution Dealer inquiries invited
Warranty 2 years, R/R at our option; tampering/abuse voids warranty
Delivery stock to 10-15 days ARO


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