AlignMeter USB
Electro-Optics Simultaneous measurements of position and angular displacements.
The system offers real time measurements of beam position and angular displacements as well as power display, with resolution down to 0.1 um for position and better than 20 microradions for angles.
Accuracy’s deviation is directly proportional to the deviation amount from center. For small deviations resolution values could be used.
The system measures CW beams, and offers portable, fast and accurate beam alignment solution.
An adaptor for connecting to an articulated arm knuckle is available: Knuckle Adaptor

Specifications
Parameters | Value (Standard) | Value (optional) |
---|---|---|
PSD size | 9 x 9 mm | 4 x 4 mm |
Usable beam size range | 50 μm to 8 mm | 50 μm to 3 mm |
Update rate | Max. 150 Hz at 500 Hz digital filter | Max. 150 Hz at 500 Hz digital filter |
Spectral range | 350 – 1100 nm | 350 – 1100 nm |
Position measurement range | 8 mm dia. circle max. | 3 mm dia. circle max. |
Power range | 10 μW – 10 mW with filters | 10 μW – 10 mW with filters |
Power accuracy (*) | ±5% | ±5% |
Lens type | Plano convex achromat, A/R coated | Plano convex achromat, A/R coated |
Beam splitter | 50:50 A:R coated, non-polarized | 50:50 A:R coated, non-polarized |
Operating temperature | 0° – 35° C | 0° – 35° C |
Optional accessories | ND filters, Hood | ND filters, Hood |
(*) – To maintain full calibration accuracy, attenuating optical filter (ND) may be necessary for operation with beams greater than 1 mW per PSD @ 633 nm
Parameters | AlignMeter 50 | AlignMeter 100 |
---|---|---|
Lens focal length | 50 mm | 100 mm |
Position resolution | Down to 0.1 μm at 50 Hz digital filter + averaging | Down to 0.1 μm at 50 Hz digital filter + averaging |
Position accuracy | ±15 μm edge-to-edge (±8μm) | ±15 μm edge-to-edge (±8μm) |
Angle measurement range | 180 mRad (90 mRad) | 80 mRad (40 mRad) |
Angle resolution | 0.02 mRad (0.01 mRad) | 0.01 mRad (0.006 mRad) |
Angle accuracy | 0.5 mRad edge-to-edge (0.3 mRad) | 0.25 mRad edge-to-edge (0.15 mRad) |
Weight | 140 gr. excluding cables | 180 gr. excluding cables |
Parameters | AlignMeter 200 |
---|---|
PSD size for position |
4 x 4 mm for angle, 9×9 for position |
Usable beam size range |
50 μm to 3 mm |
Update rate |
Max. 150 Hz at 500 Hz digital filter |
Spectral range |
350 – 1100 nm (calibrated at visible 400-700 nm) |
Position measurement range |
3.5 mm dia. circle max. |
Power range |
10 μW – 10 mW with filters |
Power accuracy (*) |
±5% |
Angle measurement range |
17 mRad |
Angle resolution |
0.005 mRad (50 Hz Filter) – 0.0003 degrees |
Position accuracy |
±5 μm edge to edge, ±1 μm for small movements |
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Duma Optronics Ltd.
Sales: sales@duma.co.il
Support: support@duma.co.il
Alignment of Articulated Arms
Straightness measurement
Ordering Information
The application program is compatible with Windows 7/8/10/11 OS (32 & 64 bit). For custom integration, an SDK package software is offered as standard.
Complete system including a manifold box, USB2.0 cable, measuring head, software and user manual on CD, carrying case.
ALIGN-USB-50: Measuring head with focal length f=50mm
ALIGN-USB-100: Measuring head with focal length f=100mm (Standard configuration)
ALIGN-FLT-NG4: NG4 filter in housing
ALIGN-FLT-NG9: NG9 filter in housing
ALIGN-FLT-NG10: NG10 filter in housing
ALIGN-HOOD: 55mm long, for ambient light suppression