Metrology Solutions Specialists

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VB300 Vertical Bench Top Optical Comparator

The VB300 vertical bench-top optical comparator offers high performance at a low price. Designed to meet the demands of modern industry, the VB300 is ideal for the rapid inspection of small light weight components, pressings, plastic moldings, electronic components, small turned parts, etc. Starrett optical comparators combine mechanical stability with precision optics and versatile lighting to produce bright, sharp images and exceptional accuracy. The vertically positioned VB300 Optical Comparator models are available with a choice of digital readouts or touchscreen PCs, measuring software options, manual workstage travel, projection lens magnifications from 10x to 50x, and optional Edge Detection capability. Our proven mechanical designs are now enhanced with the latest metrology software for unmatched flexibility and productivity.

Available with a simple integrated LED readout display (as shown) or choice of the new MetLogix™ or Quadra-Chek® geometric readout systems
Measuring travel: 4" (100mm) X-axis, 4" (100mm) Y-axis
Fast traverse, quick release mechanism on X-axis and Y-axis
High precision workstage with 9 x 9" (225 x 225mm) top plate, with two dove-tail slots for easy fixturing
Stage weight capacity: 11lbs (5kg) (evenly distributed)
LED profile lighting and LED surface illumination are standard
Exceptionally stable, all metal construction for optimum performance, accuracy, and reliability
10x, 20x, 25x, and 50x magnification lenses available
Screen driven Q-axis
Power supply 110/120/230/240/250V AC 50/60Hz

System Type: Bench Top
Part View Orientation: Vertical
Screen Diameter (in): 12"
Screen Diameter (mm): 300
X - Y Measuring Range (in): 4" x 4"
X - Y Measuring Range (mm): 100 x 100
Linear Glass Scale Encoder on X & Y Axis: Standard
Focus Range (in): 4"
Focus Range (mm): 90
Work Stage (in): 9" x 9"
Work Stage (mm): 225 x 225
Load Capacity with Negligible Deflection (lbs): 11
Load Capacity Maximum (lbs): 20
Angular Measurement Resolution: 1 Minute
Profile Illumination: Standard
Surface Illumination: Standard
Quick Change Lens Mount (Lenses Not Included): Single
Collimating Condenser with Yellow/Green Filter: Standard
Control System / Software: Integral XYQ LED readout, QC100/200, M1, M2
Display (Control System Dependent): QC DRO or 15.6" Touchscreen PC, Integral LED XY Display
Optical Edge Detection: Optional
Lenses (One Required, Not Included): 10X, 20X, 25X, 50X
Precision Centers & Vees: Optional
Helix Center Support Fixture: Optional
Precision Rotary Work Stage: Optional
Cabinet Stand 23": Optional

Additional information




Bench Top, Vertical

Optimized for Production and Quality Control

Easy to Perform Test

Entry-level Computer Based Solution

Accurate and Repeatable Results

Highlighted Features

High Performance Production

Easy to Operate and Maintain

Advanced Technology


Financing Available