---
title: News and Events | Potomac Electric
description: Potomac Electric is a leader in high-performance servo motors, drives, and automation components. We provide expert aftermarket services, including repair, refurbishment, and replacement of critical drive systems. Additionally, we design cutting-edge automated calibration systems for accurate vacuum
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  ##  PEA733 DC Servo Drives — High-Performance Legacy Replacement Solutions 

![DC servo brush drive](https://www.potomacelectric.com/images/PEA733a.jpg "High-performance AC brushless drive")

High-performance DC brush drive

![DC replacement servo drive](https://www.potomacelectric.com/images/PEA733b.jpg "High-performance AC brushless drive")

High-performance DC brush drive replacement

 

Boston, MA, April, 2025

**Potomac Electric** is proud to introduce the PEA733 family of DC servo drives — modern, high-performance replacements for legacy products originally manufactured by Westamp, Servodynamics, Gettys, Glentek, GE HIAK, Cleveland Machine Controls, Performance Motion Control, and others.

As many legacy DC servo drives become obsolete, **the PEA733 provides a reliable, direct Form, Fit, and Function replacement** — extending the life of your critical equipment without the need for expensive system redesigns.

**PEA733 DC Servo Drive Features and Benefits:**

- From 20A to 40A continuous current
- 115V/230V single-phase AC input
- 230V three-phase AC input
- Current, velocity, or position control loop options
- Accepts digital or analog command signals
- Compatible with resolver, tachometer, and encoder feedback devices
 
   
**The PEA733 replaces large DC servo drives for applications in many industries such as:**

- **CNC machines** — DC servo drive replacements for precision manufacturing equipment
- **Radar and antenna systems** — reliable replacements for aging DC motion control systems
- **Medical equipment** — modern servo drive upgrades for critical healthcare devices
- **Industrial automation systems** — extend system life with a high-performance DC motor drive
 
   
Designed for flexibility and performance, the PEA733 ensures seamless integration into existing legacy systems, delivering modern control capabilities while minimizing downtime and system costs.

**The PEA733 family of DC servo drives is proudly designed and manufactured in the USA at our factory in Boston, Massachusetts.** This guarantees exceptional quality, faster lead times, and technical support you can count on.

**Need to extend the life of your capital equipment?**

Contact us through our [Inquiry and Quotes](http://www.mechatronicssystems.com/contact-us) page for pricing, availability, and expert assistance.

 

 

 

 

##  Introducing High Accuracy Automatic Calibration System VMS2HA 

![Automatic Calibration System](https://www.potomacelectric.com/images/VMS2HA.jpg "High Accuracy Automatic Calibration System")

High Accuracy Portable Automatic Calibration System

 

Boston, MA, January, 2025

### **Vacuum Metrology Systems Unveils VMS2HA - The Ultimate Portable Calibration Solution**

   
Vacuum Metrology Systems introduces the [VMS2HA](https://www.vacuummetrology.com/products/vms2ha), a cutting-edge high-accuracy portable calibration system designed to set a new benchmark in precision for vacuum gauge calibration. As the latest addition to the VMS2 family, the VMS2HA leverages advanced engineering, customer feedback, and industry-leading technology to deliver an unparalleled calibration experience.

**Superior Portability and Accuracy**

The VMS2HA is a fully automatic, truly portable calibration system designed for on-site calibration across multiple industries, including semiconductor, pharmaceutical, and aerospace. With its built-in Calibration Management Software, it ensures full compliance with industry quality standards such as ISO 90XX, ISO/IEC 17025, and ANSI Z540.

**Unmatched Precision and Compliance**

Equipped with up to three high-accuracy NIST or PTB traceable vacuum transfer standards, the VMS2HA delivers a basic accuracy of up to 0.025%. Its flexible configuration allows users to optimize accuracy across required calibration pressure ranges. The proprietary pressure control algorithm provides a repeatable control resolution of up to 0.01% of the set point, ensuring reliable and consistent results. Moreover, the system is fully compliant with ISO-3567 standards.

   
**Key Features of the VMS2HA:**

- **Multiple Operating Modes:** Automatic, Semi-Automatic, Manual, and Service
- **Data Averaging:** Customizable from 10 to 99 points
- **Thermal Transpiration Correction:** On/Off for Standards and UUTs using the Takaishi-Sensui formula
- **Process/Calibration Gas:** Compatible with Nitrogen and Dry Air
- **Advanced Dry Pumping System:** Includes scroll and turbomolecular pumps
- **Fully Enclosed Cabinet:** Eliminates temperature variations and uncertainty contributions due to temperature drift
- **Cleanroom Compatibility:** Fully compliant for controlled environments
 
**Adaptability and User Convenience**

The VMS2HA offers flexibility in configuration, allowing companies to integrate their existing transfer standards seamlessly. This cost-effective approach maximizes resources while maintaining the highest levels of calibration accuracy and efficiency

**A New Era in Calibration Technology**

With the launch of the VMS2HA, Vacuum Metrology Systems continues to push the boundaries of calibration innovation. This state-of-the-art system is poised to become the go-to solution for industries requiring precision, compliance, and portability in vacuum gauge calibration.

Contact us through our [Inquiry and Quotes](https://www.vacuummetrology.com/contact-us) page for pricing and delivery.



 

 

 

 

##  Introducing Mini USD AC Brushless Servo Drive 

![AC servo brushless drive](https://www.potomacelectric.com/images/mUSD_news.jpg "High-performance AC brushless drive")

High-performance AC brushless drive

 

Boston, MA, November, 2024

**mUSD: A New Addition to our line of AC Brushless Servo Drives**

**Mechatronics Systems** is introducing [mUSD](https://mechatronicssystems.com/products/brushless-servoamplifiers/musd), the latest addition to our family of **high-performance servo drives**. This innovative servo drive boasts a compact design, high current rating, and easy customization, making it ideal for demanding industrial automation applications.

**Features &amp; Benefits:**

- Current, Velocity or Position loop
- Digital or analog command
- 6A continuous, 12A peak or 12A continuous, 24A peak
- 115VAC/230V AC input
- Accepts resolver and encoder feedback
- Master Encoder input
- Simulated Encoder output
- Digital I/Os
- Easy to set up via Drivelink Graphic Interface
 
mUSD is the **preferred solution** for a wide range of applications, including:

- Smart conveyors
- Robotic vehicles
- Pick-and-place machines
- Small power CNC spindles
- Plastic molding machines
- Semiconductor manufacturing
 
All our products are **designed and manufactured in the USA** at our factory in Boston, MA.

Upgrade your system today with **mUSD**!

Contact us through our [Inquiry and Quotes](http://www.mechatronicssystems.com/contact-us) page for pricing and delivery.



 

 

 

 

 

##  BHMX family of AC Brushless Servo Motors 

![AC Brushless Servo Motors](https://www.potomacelectric.com/images/bmhx-74D-01.jpg "New generation AC Brushless Servo Motors")

New Generation of AC Brushless Servo Motors

 

Boston, MA, April, 2024

**Introducing the BMHX Family – High-Torque AC Brushless Servo Motors**

Mechatronics Systems is launching the BMHX family of AC brushless servo motors, designed for high-performance industrial and military applications. Engineered for demanding environments, the BMHX series delivers exceptional torque, reliability, and efficiency.

As a leader in servo motor technology, Mechatronics Systems has a strong history of supporting **legacy motor replacements**. The BMHX family continues this tradition by offering a Fit, Form, and Function **direct replacement for the obsolete Inland/Kollmorgen BR-510X servo motors**.

**Key Benefits of the BMHX Servo Motors:**

- High-torque output for demanding industrial and military applications
- Direct replacement for Inland/Kollmorgen BR-510X motors
- Enhanced durability and efficiency for long-term reliability
- Seamless integration with existing automation systems
 
All our products are designed and manufactured in the USA at our factory in Boston, MA.

Contact us through our [Inquiry and Quotes](http://www.mechatronicssystems.com/contact-us) page for pricing and delivery.
