This section provides an overview for selector switches as well as their applications and principles. Also, please take a look at the list of 37 selector switch manufacturers and their company rankings.
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A hygrothermograph is a device used to measure temperature and humidity. They are used to measure indoor and outdoor temperature and humidity.
The measurement methods and functions of thermometers vary from one type to another. For example, the range of temperatures that can be measured depends on which product is used. Some products can measure temperatures to very low, while others are suitable for measuring high temperatures exceeding several hundred degrees. Also, whether the product can measure in contact with the object to be measured or not depends on the product.
There are several hygrometer measurement methods, the most common being the bimaterial type and the digital type.
Hygrothermographs provides data on the temperature and humidity of an environment. These data are essential for monitoring and controlling changes in the environment. For this reason, temperature/humidity measuring instruments are widely used in semiconductor manufacturing plants, chemical storage facilities, and other locations where changes in temperature and humidity have an impact.
When installing hygrothermographs, care must be taken to ensure that the equipment considered is appropriate for the environment in which it will be used. For example, a corrosion-resistant device should be selected if the environment is exposed to corrosive gases or chemicals.
Each hygrothermograph measures temperature and humidity differently.
Thermometers can be divided into three main categories: electrical (digital) thermometers, bimetallic thermometers, and glass thermometers. Digital thermometers use an electrical method of measuring temperature. Thermocouples and thermistors measure the thermoelectromotive force or change in electrical resistance that occurs in dependence on temperature.
Bimetal thermometers, on the other hand, use bimetals, which are made by welding two types of metal plates with different thermal expansion coefficients. The phenomenon of metal plates warping due to expansion caused by temperature changes is used for measurement.
The most common hygrometers are electric resistance (digital), bimaterial, and hair hygrometers. Digital hygrometers calculate humidity based on the change in electrical resistance of a dry/humidity element. Dry humidity elements such as semiconductors, ceramics, and polymer membranes have the property of decreasing electrical resistance as humidity increases. Hydration can be estimated by passing an electric current through the dry element and measuring its electrical resistance.
Bimaterial hygrometers measure humidity using a method similar to that of bimetallic thermometers. This one uses the difference in humidity-dependent shrinkage rate instead of the coefficient of thermal expansion.
*Including some distributors, etc.
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Wisconsin Oven Corporation has operated since 1973 and is located in East Troy, Wisconsin. Wisconsin Oven designs, engineers, and manufactures industrial ovens and other heating equipment for numerous applications including heat treating, powder coating, paper pulp drying, finishing, drying, and curing in the aerospace, automotive, composite, energy, finishing, foundry, heat treating, annealing, military, and pharmaceutical industries. Types of ovens and equipment include custom and standard batch ovens, conveyor ovens, pollution control equipment, and walk-in ovens.
Stephens Manufacturing was started in 1957 in Tompkinsville, Kentucky. Stephens is a manufacturer and distributor of concrete-related equipment. Categories include ready mix plants, precast plants, central mix plants, RCC, environmental, and material handling. Ready mix batch plants that generally have quicker installation. Precast plants are custom built. Portable mixers mix RCC and other mixes. Environmental components include dust collectors, reclaimers, and wash down racks. Material handling includes batchers, bins, hoppers, silos, conveyors, and vertical pigs. Stephens offers assistance in customer problem solving and delivers to customers globally.
Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.
Quail Electronics is headquartered in Livermore, California. QUAIL is an acronym for Quality products, Unparalleled customer service, Always competitive, Integrity, stability, commitment, and Live sales and support. Quail Electronics is a global distributor of power cord supplies for the OEM market. Quail Electronics primarily offers power cords, adapters, power strips, wire, and other cord-related devices such as cable retention devices. Quail Electronics also offers custom cord design for length, gauge, color, conductor count, and outlet compatibility.
Omron Automation was originally established in 1933. Omron Automation is a producer and manufacturer for industrial automation solutions including robotics, sensing, motion, logic, and safety. Industries include automotive automation, electric vehicle manufacturing, food and beverage packaging, semiconductor and manufacturing electronics, life sciences automation, logistics & warehouse automation, machine tool, oil and gas, water and wastewater, entertainment, security and detention, and other industries. Some of Omron Automation’s product categories include machine automated controllers, RFID solutions, safety laser scanners, safety outputs, smart cameras, vision sensors, machine vision software, servo systems, articulated robots, parallel robots, SCARA robots, photoelectric sensors, and rotary encoders along with many software-based solutions.
WIN SOURCE is a customer-focused online store serving a wide variety of markets industries ranging from consumer to automotive to medical, industrial, and aerospace. WS specializes on size and speed, offering a catalog of over 1 million SKUS that can be shipped within 24 hours around the world. Offerings include an extensive array of semiconductor components, audio products, cable assemblies, racks, and battery products. WIN SOURCE is AS9120B, ISO9001, ISO14001, and ISO45001 certified and is a member of the anti-counterfeiting organization, ERAI.
Dietz Electric was founded in 1974 and is based in Milwaukee, Wisconsin. Dietz Electric is a broad-line stocking distributor offering electric motors, drives, and power transmission products. Dietz Electric also offers customization options to test, manufacture, modify, and repair all product offerings. Product offerings include electric motors, hazardous locations motors, custom electric motors, variable frequency drives, motor controls, power transmission solutions, and specialty items such as purge systems, Uras vibrators, disc brakes, transformers, and AC line reactors.
Shamrock Controls is a division of Burns Controls Company, an industrial distributor of hydraulic, pneumatic, and automation products. Burns Controls Company was established in 1971 in Dallas Texas. Shamrock Controls is a global distributor of IEC electrical motor controls and factor automation solutions. Shamrock Controls product listings include contractors, overload relays, DP contractors, relays, push buttons, pilot lights, control stations, motor starters, circuit breakers, disconnect switches, cam switches, power supplies, terminal blocks, cable glands, lock nuts, din rails, ducts, wire accessories, and various pneumatic components.
Kinequip, Inc. was founded in 1946 in Buffalo, NY as a distributor of industrial parts, accessories, and kits. Today these offerings have grown to include motors, compressors, blower systems, clams, pumps, various fittings, gauges, and sensors, as well as pneumatic and high-pressure devices. Kinequip also serves as a distributor for individual device and parts manufacturers. Kinequip additionally offers custom-designed solutions ranging from R&D to unique components and special-made parts, as well as value added designs on demand.
Hybrid Electronics is a global distribution specialist of electronic components, with access to over 50 million unique components. Among the markets HE serves are the aerospace, automotive, communications, defense, industrial, medical, national security, and test & measurement industries. In addition to components, HE also provides quality and compliance testing, counterfeit detection, upscreening, and other forms of quality control. Examples of component subtypes that HE offers include ICs, batteries, capacitors, semiconductor products, sensors, circuit protection, interconnectors, filters, optoelectronics, relays, switches, power supplies, and cables and cable assemblies.
Hello BOM is an online electronic component storefront designed to bridge customers and suppliers. Customers supply Hello BOM with their bill of materials (BOM) and Hello BOM uses smart analysis via AI data matching to quickly find precise matches that customers need. This is accomplished via Hello BOM’s growing component stock and product information database to grow increasingly accurate and fast, while also simplifying the process of R&D and purchasing for customers. Products include semiconductors, resistors, capacitors, diodes, inductors, connectors, transistors, and sensors.
AutomationDirect.com was founded in 1994 to provide solutions for the industrial automation market and has been growing its list of offerings ever since. AutomationDirects’ extensive catalog includes individual components such as cables, various controls, I/O devices, relays, gauges, fittings, and sensors to complete systems. Many parts and devices, especially PLC units are customizable. AutomationDirect.com also provides support via video instructions, online manuals, a learning library, an active community forum to further assist customers.
The SCHURTER Company was founded in 1933 and operates out of Lucerne, Switzerland. SCHURTER is an innovator and producer of electronic components for many markets including industrial equipment, medical equipment, automotive, avionics and space, data and communication, and energy. SCHURTER products and solutions include: circuit protection, connectors, switches, EMC, custom components, HMI solutions, PCAP touchscreens, resistive touchscreens, capacitive switches, membrane switches, and a series of smart products including Smart Connector DS11 PEM, Smart Connector DT31 external, and Smart Ecosystem.
Schneider Electric S.E. is headquartered in Rueil-Malmaison, France, and has been operating since 1836. Schneider Electric provides a number of products and services including electrical car charging, energy management software, surge protection devices, load banks, servers and HMIs, valve and valve actuators, feeder automation, grid automation, and SCADA software products, data center cooling and software, home automation and security, light switches, motion control and robotics, signaling units, solar and energy storage, RFID systems, as well as other hardware, services, and software.
Saddle Brook Controls is a division of Ribble Engineering, which was founded in 1933 in Saddle Brook, New Jersey. Saddle Brook Controls is a manufacture as well as a designer, distributor, and support service provider of automation solutions for factory automation. Product groups include PLCs, controllers, Remote IO devices, HMIs, industrial computers, machine vision and inspection machines, motion devices, drives, motor controls, enclosures, circuit breakers, safety products, sensing and control products, power supplies, and UPS.
ABB Electrification Canada is a subsidiary of industrial giant, ABB. ABB Electrification serves the data center solutions, oil, gas & chemicals, food & beverage, railway, infrastructure, and microgrids industries with solutions such as smart industry, E-mobility, smart living, smart power, smart cities, and smart distribution. Products include control systems, power electronics, UPS and power conditioning, industrial software, PLPC automation, robotics, power converters and inverters, medium voltage products, metallurgy products, control room solutions, and motors and generators.
MOD-TRONIC Instruments Limited was established in 1972 in Brampton, Ontario, Canada. MTis a distributor of industrial sensors, transducers, heaters, controls, and instrumentation, primarily made in the USA as well as Japan, Switzerland, and Germany. MT’s customers are primarily in the aerospace, building automation, manufacturing, medical, military, oil and gas, and water treatment industries but also serves individuals. MT offers an above industry standard 5-year warranty and technical support on every product sold.
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