This document is a BOURNS product catalog, introducing multiple turns-counting dials product information, including model, size, weight, reading and other information.
This guide provides detailed specifications for Bourns turns‑counting dials, including the H‑46, H‑22, H‑506, CT‑23, CT‑26 and H‑490 models. It lists mechanical characteristics such as number of turns, weight, readability, torque, and brake options, as well as dimensional drawings and part numbers for each model.
The document also includes mounting instructions, panel layout recommendations, and features like no‑backlash design, compact panel space requirements, and high‑force positive brakes. It is intended to help designers select the appropriate dial for precision potentiometer applications in power supplies, sensors, medical equipment, and test gear.
| Number of Turns (H‑46) | 0 to 20 |
|---|---|
| Number of Turns (H‑22) | 0 to 15 |
| Number of Turns (H‑490) | 0 to 30 |
| Weight (H‑46) | 73 grams |
| Readability (H‑46) | Within 1/100 of a turn |
| Brake (H‑22) | Yes |
The H‑46 dial provides up to 20 turns.
Yes, the H‑22 dial has a locking brake.
The H‑490 dial requires only a 25.4 mm diameter panel space.
The dial is mounted directly to the potentiometer shaft with set screws, providing a no‑backlash connection.