0126246-020 Danaher
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The Danaher 0126246-020 is part of the Timers and Controllers series and features a revolution drive with a count per revolution of 1. It uses a base mounting style, has a manual knob reset, and a right chrome plated steel shaft. The case is made of Zamak and the unit weighs 9 ounces.
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Product Description:
The 0126246-020 is a mechanical revolution counter built by Danaher for the Timers and Controllers series. Intended for machine tools, conveyors, and indexing equipment, this unit records each complete shaft turn on its register so operators can monitor cycle totals. It mounts as a standalone device inside a control panel or directly on a frame, and its purpose in industrial automation is to provide a simple, self-contained tally of rotary motion without requiring external power or electronic signal conditioning.
The counting mechanism is a revolution drive that advances exactly one count for every full clockwise rotation of the input shaft. Six anodized aluminum wheels provide a capacity of 6 digits, and each character is 0.156 in wide with a height of 0.188 in, keeping the display legible from typical viewing distances. During high-speed indexing, the register can follow shafts running at up to 2000 cpm without skipping digits or developing backlash, provided the drive torque remains within the permitted limit. White figures printed on a black background improve contrast under shop lighting and allow quick visual confirmation of totals.
The counter requires only 0.5 oz-in of drive torque, so it imposes minimal load on light instrumentation spindles. When the total must be cleared, a front-panel manual knob resets all wheels to zero without tools. A right-hand shaft made of chrome-plated steel resists wear, while the Zamak case shields the gearing from dust and coolant splashes. The base-mounting flange simplifies installation on flat plates, and the housing orientation keeps the right-hand shaft aligned with common drive couplings. Clockwise rotation is standard, matching most gear-train outputs. The overall mass of 9 oz (255 g) allows the device to be supported by light brackets without affecting dynamic balance.
