月: 2023年12月

What Is an AC Voltage Detector?

AC voltage detectors are devices used to confirm power outages in AC circuits before electrical work.

Essential for safety, they indicate the presence of electrical current through sound or light. These detectors vary by current type and are tailored for high voltage, low voltage, AC, or DC circuits. Modern electronic types are commonly used, offering non-contact voltage detection and a high level of safety.

Foil-type and neon-type detectors are used for educational and experimental purposes, but electronic types have become more prevalent in general use.

What Is a Wood Hole Saw?

Wood hole saws are hole saws designed specifically for woodworking.

They can be attached to power tools like electric drills to bore holes into thin wooden materials. These saws consist of a center drill and peripheral saw blade sections, enabling the efficient creation of smooth, uniform holes. Wood hole saws, with their finer-toothed blades compared to metal hole saws, vary in performance and type based on hole size, depth capacity, and material compatibility.

For deeper holes in wood, core drills are used, while smaller holes and non-penetrating depressions are made with woodworking drills and spade bits, respectively.

What Is a Volatile Organic Compound Detector?

Volatile organic compound (VOC) detectors, or VOC measurement instruments, measure the concentration of VOCs in gases. VOCs, which include over 200 types of compounds, are air pollution contributors, affecting photochemical oxidants and PM2.5 levels.

VOC measurement instruments use various methods, including flame ionization detection (FID) and non-dispersive infrared (NDIR) absorption for regulated businesses, and the cost-effective photoionization detector (PID) method for voluntary measures.

What Is a Vibrating Screener?

Vibrating screeners are machines used to classify powdery or granular substances through vibration. They separate and remove oversized particles or foreign objects by applying vibration to a sieve. There are rotary and vibrating types, with vibrating screeners also known as vibrating sieve machines.

Using vibrating screeners for classification is more efficient than manual sieving, reducing dust exposure, ensuring hygiene, and improving quality. These machines are widely used in industries like food production, mining, and construction, contributing to waste reduction and reduced environmental impact.

What Is a Tribometer?

Tribometers are devices used to test the friction, wear, and lubrication of materials. Various tribometers exist, including linear testers, four-ball systems, and those designed for low or high-pressure testing.

Tribometer tests have applications in fields like performance testing of sandpaper, rubber selection for conveyors, metal selection for machinery, and more. Accurate testing under conditions resembling actual usage is crucial due to the variable nature of friction and wear test results.

What Is a Thermocouple Connector?

Thermocouple connectors are specialized devices used to connect compensation leads and measuring instruments in temperature measurement and management with thermocouples. Thermocouples, which use the Seebeck effect, are ideal for high-temperature environments like industrial furnaces due to their wide temperature range and responsiveness.

While thermocouples are cost-effective and responsive, they are best suited for temperature management involving reference value differences. The choice of thermocouple connector and compensation lead metal type is crucial, as they must be compatible and use the same metal to ensure accuracy.

What Is Thermal Insulation Tape?

Thermal insulation tape is an adhesive tape with electrical insulation and heat resistance. It is designed to withstand high temperatures without deteriorating, peeling, or becoming sticky.

Made from materials like polyimide, glass cloth, and fluororesin, these tapes are used in lithium-ion batteries, train vehicles, and household appliance wiring. It’s important to note that flame resistance and heat resistance are different characteristics.

What Is a Temperature Control Valve?

Temperature control valves are valves that regulate the flow of two substances at different temperatures to maintain a constant temperature. Known as temperature regulating valves, they can be electric, pneumatic, or self-operating. These valves detect temperature changes and control the flow of substances to maintain a stable temperature.

There are two main types: two-way valves, which adjust the flow of one substance, and three-way valves, which adjust the ratio of substances from both sides. Commonly used in ship engines and air conditioning systems, these valves help maintain optimal temperatures, preventing abnormal wear and degradation of lubricating oil.

What Is a Steady Rest?

A steady rest is a component of machining equipment designed to prevent displacement or deviation caused by vibration.

Used in high-precision work or tasks with heavy loads, steady rests help achieve smooth finishes and reduce load on components. While fixed steady rests offer high precision and load reduction, traveling steady rests attached to the cross slide are used for longer machining operations, such as outer diameter machining, offering less precision and load reduction compared to fixed types.

What Is a Solar Simulator?

Solar simulators are artificial light-emitting devices that generate light closely resembling the spectrum distribution of sunlight, including visible, infrared, and ultraviolet rays.

They are primarily used for performance evaluation of solar cells, testing of artificial satellites and spacecraft, research in photocatalysis and photosynthesis, and fading tests for cosmetics and paints.

As an indispensable tool for studying sunlight properties, solar simulators are expected to see increased demand with the advancement of technologies like solar power generation and artificial photosynthesis.