QC201 Commutation Indicator Demo featuring Installation and Encoder Commutating Alignment

April 22, 2026

This easy-to-use handheld device provides a quick and accurate method of timing encoder commutation channels to a BLDC motor and eliminates the need to back drive the motor. Allows fine tuning of the commutation alignment with a digital indicator display. The video below will show how simple and reliable the...

Quantum Devices Introduces Highly Robust Encoder

September 2, 2020

Quantum Devices, Inc. develops QR145 Optical Rotary Encoder that stands up to harsher environments at advantageous OEM volume prices. Quantum’s QR145 Optical Rotary Encoder/IP66 option is a fully enclosed encoder that overcomes cost and performance limitations of other fully enclosed encoders, whether of magnetic or traditional mechanical design. This new...

QM35 EZ-Comm Optical Rotary Encoder BLDC Motor Commutating Timing Set Up Video

April 28, 2020

Quantum Devices’ QM35 EZ-Comm Commutating Optical Rotary Encoders feature a fast and simple way to align the commutation outputs to the windings of a BLDC motor. The installation video below demonstrates the commutation alignment procedure: For step-by-step written instructions, please refer to the Installation Manual. The QM35-EZ Comm is a...

QM35 | QML35 Optical Rotary Encoder Installation Demo

April 28, 2020

Quantum Devices QM35 and QML35 Optical Rotary Encoders boast a patented lock-n-twist technology which simplifies installation and commutation timing. The installation video below demonstrates the simple installation of a QM35 encoder on a motor, including the commutation alignment procedure for encoders with built-in commutation.  For step-by-step written instructions, please...

Quantum Devices Celebrates 30 Years of US Made Incremental Encoders

April 9, 2020

Featured in Cision | PR Web

For OEMs whose equipment uses incremental optical encoders to manage AC/DC motors, working with a supplier with leading edge technology and US only based production has proven to be a winning strategy. Consistent product innovations over the past 30 years have allowed these OEMs...

Expanded Bore Options for HR12 Optical Encoder

January 3, 2019

As outlined in a previous post, our HR12 optical encoder is a popular choice for HEDS replacement. We also have found that the HR12 serves as a great HEDM replacement. Our HR12 rotary encoder boasts a wide range of line count options from 24 to 20,000 PPR as well as many...

Troubleshooting Encoder RPM Calculation using Oscilloscope

April 24, 2016

I received this e-mail from a potential customer who is trying to determine why he had a skewed encoder waveform. His name has been changed to protect his identity. Hi Jim, I have just come across your page on RPM calculation using an optical encoder and oscilloscope. I was keen...

Incremental Encoder Lathe Automation

March 29, 2016

I have been working on a project to automate a manual lathing operation for our incremental encoder/optical encoder line. To keep things simple, thumb switches allow the set point, along with some offsets for fine-tuning, to be entered. I am not completely finished with project, but in the video below...

The Lost Optical Encoder Demo Box

January 20, 2016

We recently teamed up with one of our Optical Encoder Distributors to create a Demo box that showcased our QD145 encoder with a Delta Tau PLC and touchscreen panel. It was sent off to a trade show where potential customers would get to spin the encoder and watch on the...

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