QS-12 OPD Galvanometer Scanner
For Exceptional Performance and Value
Delivering Speed and Reliable Accuracy
The QS-12 OPD Galvanometer Scanner offers strong performance and value for steering 10mm, 15mm, and 20mm aperture mirrors
. Our groundbreaking optical position detector design enables an unsurpassed combination of high linearity and low drift required for high precision applications. When integrated with Nutfield’s QD-4000 Servo Amplifier, the QS-12 OPD moving-magnet galvo delivers exceptional speed and accuracy in compact, affordable configurations.
Nutfield Tech’s mechanical design uses low resistance/low induction coils for increased scanning speed and optimized thermal characteristics. Our OPD generates 4 times the output signal for high signal/noise ratio and outstanding accuracy.
Contact Nutfield Technology for assistance with identifying a solution for your scanning application.
Features
Key features of the QS-12 OPD Galvanometer Scanner:
Novel Hub Mirror Mounting provides higher resonant frequencies
10mm, 15mm, and 20mm apertures
Low drift – 70ppm
High Linearity – 99.8%
High Resolution
Excellent RF noise immunity
Available as galvanometer, single-axis scanner, XY scan set, open-frame head, packaged head, and 3-axis scanner
Specifications
Specifications for the QS-12 OPD Galvanometer Scanner:
| Specifications: | Value |
|---|---|
| Rotor Inertia | 1.9492 gm-cm² |
| Torque Constant | 180,000 dyne-cm |
| Coil Resistance | 3.0 ohm |
| Coil Inductance (@ 1kHz) | 530 µh |
| Weight (without cable) | 129 g |
| Inertial Load: | |
| Recommended | 1.8 gm-cm² |
| Maximum | 9 gm-cm² |
| Position Detector: | |
| Linearity* | >99.8% @ ±20° |
| Gain Drift | 50 ppm/°C |
| Offset Drift | 15 µrad/°C |
| Repeatability | 10 µrad |
| Typical output signal: | |
| Differential mode | 14.5 µA/° |
| Common mode | 151 µA |
| Supply current | 15 - 20 mA |
| * For larger angles, contact Nutfield Tech. | |
| Dynamic Performance: | |
| Step Response Time | |
| (1% of full scale, 99% settled) | |
| 10mm X Mirror | 260 µs |
| 15mm X Mirror | 325 µs |
| 20mm X Mirror | 410 µs |
| Cable lengths available: | 7" to 24" (0.18m to 0.61m) |
| Storage Temperature: | -10 to 50°C |
| Operating Temperature: | 0 to 40°C noncondensing |
| All specifications are using Nutfield Tech's QD-4000 Servo Amplifier. |
Specifications subject to change without notice.
Applications
Nutfield’s QS-12 OPD Galvos are ideal for the following applications:
Marking
Imaging
Micromachining
Textiles Cutting and Embossing
Solar Scribing (PV)
Surface Treatment
Industrial Processes
Optical Filters
Accessories
Accessories available for the QS-12 OPD Galvanometer Scanner:
Cables – available lengths 7″ to 24″ (0.0178m to 0.610m)
QD-4000 Servo Amplifier
Downloads
Documentation for the QS-12 OPD Galvanometer Scanner:
Nutfield Technology’s OPD Galvanometer Scanners Data Sheet
Nutfield Technology’s QD-4000 Servo Amplifier Data Sheet
U.S. patents apply to this product. For details, visit our Virtual Patent Marking page.