Key facts
- Listed location
Shrewsbury, Massachusetts, USA- Company type
- Manufacturer
- Company size
- Micro (1-10)
- Founded
- 1980
Company record
On Line Controls, Inc. designs and builds ultra‑low‑pressure air regulators and control units for tubing extrusion, as well as motorized potentiometers. The company’s regulators can maintain pressure accuracy down to 2 inches of water and are offered in several configurations, including manual, automatic, high‑speed models for bump tubing, and multi‑channel versions for multi‑lumen tubing. Its motorized potentiometers are assembled from components that enable proportional control of analog‑driven equipment. Each unit incorporates a single‑turn or multi‑turn potentiometer, a slip‑clutch mechanism, a gear train, and either an AC or DC motor within a unified mounting assembly, delivering speeds from 0.5 to 220 RPM. On Line Controls, Inc. also provides replacement parts and repair services for legacy ETI motorized potentiometers.
Listed capabilities
- Laboratory Rheostats
- Carbon Film Potentiometers
- Carbon Type Rheostats
- Conductive Plastic Potentiometers
- Contactless Potentiometers
- Dimming Rheostats
- Electronic Air Pressure Regulators
- Electronic Controller Regulators
- Field Rheostats
- General Purpose Air Pressure Regulators
- Hybrid Potentiometers
- Joystick Potentiometers
- Linear Motion Potentiometers
- Meter Testing Rheostats
- Military Specification Potentiometers
- Motorized Potentiometers
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