7.75 in mm for sale, brand-new and used.

The items are USED and sold AS-IS, but were removed from service in a working condition. Below are the detail from the manufacturers page and I believe all products are current. Stepper Motor The HT34-490 two-phase stepper motor is designed for use with the STAC6 series of stepper drives (120 VAC input versions only) and is suitable for a wide range of motion control applications.

3A 1 Axis Controller Stepper Motor Drivers TB6560 Driver Board CNC Router Single

Dwyer 3000-00 Photohelic Pressure Switch/Gage range 0-.25" w.c. A3000

Dwyer 3002AV Photohelic Pressure Switch/Gage range 0-2.0" w.c. A3000

Dwyer Instruments - Series A3000: A3003 Photohelic Pressure Switch/Gage • Air Conditioner Systems • Clean Rooms • Fume Exhaust Systems Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic gage design. The Photohelic switch/gage measures and controls positive, negative or differential pressures of air and compatible gases.

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