Model MA10-55 and MAn-55 Potentiometer Overview

General Description

The document details specifications and mounting instructions for the MA series turning-counting dial potentiometers, specifically models MA10-55 and MAn-55. These devices feature combinable helicalohm potentiometers with matching shaft lengths of 18.5 mm and are designed for precise rotational measurement.

Key Specifications

• Operating Temperature Range: -35°C to +105°C
• Mass: Approximately 90 grams
• Mounting Hole Details: Multiple holes including 3 x Ø2.2 mm holes, 4 x Ø5.2 mm holes, and 3 x Ø3.2 mm holes for secure panel mounting
• Panel Dimensions: Diameter Ø48 mm with precise tolerances (e.g., 120 ± 0.5 mm, 100 ± 0.2 mm)
• Lock Device and Shaft Diameter: Matching shaft diameter specified; lock device included for secure installation

Special Features and Options

• Special graduations can be customized upon request
• Acrylic resin cover fitted for protection
• Special mounting panels available as per provided drawings
• Combination of dial and potentiometer performed by Althen to ensure proper assembly

Mounting and Usage Notes

The MA series counting dial uses a special adaptor for mounting on the Helicalohm potentiometer, requiring considerable skill or technique. When ordered together, the dial and potentiometer are combined and supplied assembled by Althen.

Additional Information

The document includes contact information for Althen's regional offices and emphasizes that all specifications are subject to change without prior notice. Althen offers additional services such as calibration, design and engineering, training, and equipment rental.