J. R. Merritt Controls, Inc.

Computer Hardware & Peripherals

Joystick Control utilizes Hall effect device.

Equipped with non-contacting Hall effect proportional output device, single-axis Model PRO-4H features heavy-duty mechanical construction, resistance to EMI, and 0.5-4.5 Vdc proportional output. Unit accommodates various handle designs and is suitable for use on scissor lifts, aerial work platforms, bucket trucks, and cranes, as well as agricultural, mining, and forestry equipment.

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Operator Armchair offers range of motorized adjustments.
Controls & Controllers

Operator Armchair offers range of motorized adjustments.

Designed to address operator ergonomics, FSMDSS System provides motorized control of armchair adjustments, such as console elevation, lateral motion, and tilt. Manual and motorized seat adjustments accommodate wide range of operator sizes. In some applications, armchair enables operators to sit while operating equipment, ensuring unobstructed view to perform work safely. Consoles can be equipped...

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Grip Handle is designed for 3-axis control.
Mechanical Components and Assemblies

Grip Handle is designed for 3-axis control.

Type FG-4 Universal Fighter Grip handle incorporates push-button switches, toggles, rocker switches, and thumbwheels, allowing for increased functionality in one controller. Options include twist function for proportional control of potentiometer or hall sensor, and external hand rest for left or right hand orientation. By matching different size handle halves, multi-function handle can...

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Joystick incorporates proportional thumbwheel.
Computer Hardware & Peripherals

Joystick incorporates proportional thumbwheel.

Capable of withstanding rough environments, XL-VNSO compact 1, 2, and 3-axis rugged joystick accommodates applications that require digital or analog command signals to control variable speed drives, PLCs, and microprocessors. Joystick is constructed with NiCr gimbal yokes, hardened steel bearings, polished steel shaft guides, bronze gate handle stops, and dual compression return springs in each...

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Computer Hardware & Peripherals

Multi-Function Joystick has drop-in mount, compact design.

Heavy-duty NS3 joystick controller includes Hall-effect sensor for contactless proportional signal. Available in 1-, 2-, and 3-axis models, product is designed for smooth, non-biasing handle action and can accommodate variety of functions. Components are resistant to corrosion, and aluminum housing, 12 mm dia shaft, and center pivot design are resistant to abuse. Joystick suits off-highway...

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Armchair System optimizes operator comfort.
Controls & Controllers

Armchair System optimizes operator comfort.

Model HFC-100 features high backrest that provides back and side support and reclines 80° in 2° increments. Seat cushion tilt adjusts 3-11° in 4 increments to minimize thigh pressure. Seat cushion depth adjusts forward 2.4 in. in 5 increments, accommodating larger operators. Five inch wide control consoles and armrests are horizontally adjustable and flip back for operator access. Most 1-, 2-,...

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Joystick meets demands of challenging environments.
Computer Hardware & Peripherals

Joystick meets demands of challenging environments.

Heavy-duty, single-axis controller, PRO-6, provides precise proportional control for AC/DC variable-speed drives. It features smooth, field-adjustable friction brake with positive center detent for applications where speed must remain constant under continuous shock and vibration. Unit is designed for mechanical operating life of 20 million cycles and offers universal mounting capability and...

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Armchair Systems are suitable for tight cabins.

Armchair Systems are suitable for tight cabins.

Type HFC and HRC-100 fixed or rotating operator chairs have 5 in. wide consoles. HFC Series accommodates oil over oil or electrical joysticks. Access panels and openings facilitate installation of hydraulic hoses or wiring. Adjustable Actimo/MSC seat is standard. Control consoles and armrests are horizontally adjustable and flip back for operator access. Amplifier cards with PWM can be furnished...

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Operator Armchair System is fully adjustable.
Communication Systems & Equipment

Operator Armchair System is fully adjustable.

Model FSA/FSAD-125S Operator Armchair System is available with fixed or ball bearing rotating designs with electrical junction box. Features include chair mounted adjustable flip-up armrest and 12.5 in. wide consoles with 20° sloped front. Each console accommodates 30 pilot devices as well as several mill-duty Joysticks. With heavy-duty suspension system and weight compensation adjustment (up to...

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