The TA500 Series Digital Tachometer is a professional handheld rotational speed measurement instrument designed for accurate RPM, surface speed, and length measurement. The series includes the TA500A non-contact laser tachometer, TA500B contact tachometer, and TA500C combination laser and contact tachometer, providing flexible solutions for different industrial measurement requirements. Featuring high-precision sensing technology and a five-digit large LCD display, the TA500 Series tachometer, RPM meter, rotation speed tester, and speed measurement instrument deliver fast and reliable readings for various rotating equipment applications. The non-contact laser measurement mode of TA500A and TA500C allows safe RPM testing from a 50–500mm distance without touching rotating parts, while the contact measurement mode of TA500B and TA500C is suitable for direct measurement of shaft speed, surface velocity, and running length. With practical functions including data hold, maximum/minimum value recording, backlight display, and automatic power-off, the TA500 Series digital RPM meter is widely used in motor manufacturing, fan production, pump testing, automation systems, power generation, petrochemical plants, steel and metallurgy industries, aerospace equipment, HVAC systems, mechanical maintenance, and warehouse automation applications. It is ideal for testing motors, engines, fans, blowers, conveyor belts, rollers, rotating shafts, and other industrial machinery for quality inspection, commissioning, troubleshooting, and preventive maintenance.

The TA501A Digital Laser Tachometer (Digital Tachometer / Laser RPM Meter / RPM Tester / Rotational Speed Meter) adopts advanced photoelectric sensing technology and anti-interference semiconductor laser technology to provide fast, accurate, and reliable non-contact rotational speed measurement. With a wide RPM measurement range, this handheld tachometer is designed for testing the speed of motors, fans, shafts, pulleys, grinding wheels, conveyor systems, and various rotating mechanical components. The TA501 Series Digital Tachometer integrates RPM measurement, environmental temperature and humidity detection, data hold, maximum/minimum/average value recording, high/low limit alarm, color backlight display, and dynamic analog bar indication functions. Its compact and portable design makes it suitable for industrial field inspection, equipment commissioning, maintenance, and performance verification. Widely used in power plants, steel manufacturing, petrochemical industries, aerospace equipment, automotive production, machinery manufacturing, HVAC ventilation systems, industrial automation lines, motor factories, laboratory testing, equipment maintenance, and quality inspection applications, the TA501 laser tachometer provides accurate speed measurement solutions for motors, gearboxes, pumps, compressors, fans, conveyor belts, textile machines, woodworking equipment, and other rotating machinery. It helps engineers perform equipment diagnostics, preventive maintenance, and production quality control efficiently.

The TA503 Series Digital Tachometers are high-accuracy and multifunctional rotational speed measuring instruments, also known as digital tachometers, RPM meters, speed meters, rotation testers, electronic tachometers, optical tachometers, contact tachometers, and non-contact tachometers. The series supports both non-contact optical measurement and contact measurement modes, providing fast and reliable measurement of rotational speed (RPM), linear speed, and length for various rotating equipment. The TA503 series includes the TA503A Non-Contact Digital Tachometer, TA503B Contact Digital Tachometer, and TA503C Contact & Non-Contact Digital Tachometer, offering flexible solutions for different industrial measurement requirements. The TA503C model is equipped with a USB communication interface, allowing connection to a computer for data acquisition, measurement record export, and further data analysis. Designed for industrial inspection and engineering applications, the tachometers provide fast response, stable readings, and high repeatability. Integrated functions include Data Hold, MAX/MIN/Average measurement, high/low limit alarm, data logging, multiple measurement units, ambient temperature display, and automatic power-off. The compact and portable design makes them ideal for field inspection, equipment maintenance, production line testing, and laboratory applications. The TA503 Series Digital Tachometers are widely used in motor manufacturing, automation equipment, mechanical engineering, HVAC systems, fan production, power equipment, automotive maintenance, petrochemical plants, steel manufacturing, conveyor systems, and educational laboratories. They are suitable for measuring the rotational speed of AC motors, DC motors, servo motors, engines, fans, pumps, generators, machine tool spindles, and transmission systems for performance testing, troubleshooting, and preventive maintenance.

The TA506 Series Handheld Non-Contact Laser Digital Tachometer, also known as a laser tachometer, optical tachometer, RPM meter, or rotational speed tester, is designed for fast and accurate measurement of rotating equipment speed. Using advanced laser reflection technology, the instrument measures the rotational speed of motors, fans, pumps, shafts, gears, rollers, and other rotating machinery without physical contact. With a wide measuring range of 3 to 100,000 RPM, the TA506 series allows operators to perform speed inspections without stopping equipment operation, improving workplace safety and maintenance efficiency. Both TA506A and TA506B models provide reliable RPM measurement performance, while the TA506B features Bluetooth wireless data transmission, enabling convenient data recording, monitoring, and analysis through smart devices. Equipped with a five-digit high-resolution display, the tachometer supports data hold, maximum/minimum value recording, and backlight illumination for clear readings in various industrial environments. Its compact handheld design makes it ideal for portable inspection, equipment commissioning, and routine maintenance tasks. The TA506 Series Digital Tachometer is widely used in machinery manufacturing, motor production, power generation, steel and metallurgy, petrochemical plants, aviation equipment, HVAC systems, fan manufacturing, automation equipment, warehouse machinery, and industrial maintenance applications. It is suitable for motor speed testing, fan performance verification, pump monitoring, production line quality control, preventive maintenance, and troubleshooting of rotating equipment.

The TA511 Series Laser Distance Meter (Laser Distance Measurer, Laser Rangefinder, Digital Measuring Tape, Electronic Distance Meter) is a professional measurement tool integrating high-precision laser measurement, intelligent calculation and portable operation. Available in 50m, 70m and 100m measuring ranges, it is designed for various applications including interior decoration, construction projects, engineering surveying, and industrial maintenance. Compared with traditional tape measures, the laser distance meter provides faster measurement speed, higher accuracy and improved efficiency while reducing manual calculation errors. Equipped with advanced laser ranging technology, the TA511 Series delivers measurement accuracy up to ±(2mm+d/10000) and supports multiple measurement functions including single distance measurement, continuous measurement, area calculation, volume calculation, indirect height measurement based on the Pythagorean theorem, and addition/subtraction calculations. With 99 groups of data memory, multiple unit conversions, self-calibration function and selectable front/rear reference points, this laser measuring tool meets different measurement standards and professional requirements worldwide. The TA511 Series Laser Distance Meter is widely used in residential renovation, interior design, building construction, real estate surveying, architectural inspection, HVAC installation, window and door installation, customized furniture manufacturing, cabinet installation, flooring projects, curtain wall engineering, bridge construction, industrial facility planning, warehouse management, property maintenance, electrical installation, communication engineering and municipal construction. It is an ideal digital measuring solution for architects, engineers, contractors, surveyors, installers and maintenance professionals. Featuring a backlit LCD display, key sound indication, automatic power-off, automatic laser shutdown and long battery life, the TA511 provides reliable performance even in low-light environments, basements and complex job sites. With a compact lightweight design of approximately 81g, it enables convenient one-hand operation and easy portability, making it an efficient alternative to traditional measuring tapes for construction measurement, layout planning, interior projects and facility maintenance.

The TASI TA521A Coating Thickness Gauge is a professional portable non-destructive testing instrument, also known as a paint thickness gauge, coating thickness tester, film thickness meter, dry film thickness gauge (DFT gauge), and coating measurement instrument. Utilizing dual measurement technologies of magnetic induction and eddy current, the instrument provides fast and accurate measurement of non-magnetic coatings and non-conductive layers applied on metal substrates, including paint coatings, powder coatings, plastic coatings, anti-corrosion coatings, electroplated layers, and surface treatment coatings. The TA521A automatically identifies different substrate materials, including ferrous (Fe), non-ferrous (NFe), and galvanized steel (Fe+Zn), and automatically selects the appropriate measurement method without manual switching. Equipped with a high-resolution 4-digit digital display and 180° automatic screen rotation, the gauge ensures clear readings from different viewing angles and is suitable for measurements on complex structures, narrow spaces, and irregular workpieces. It supports μm, mm, and mil measurement units to meet various international inspection standards. With its compact design, reliable accuracy, and convenient operation, the TA521A coating thickness tester is widely used in automotive manufacturing, used car paint inspection, vehicle appraisal, corrosion protection engineering, steel structure maintenance, bridge inspection, shipbuilding, pipeline anti-corrosion testing, electroplating industries, powder coating production, metal fabrication, machinery maintenance, industrial quality control, and third-party inspection services. The TA521A provides an efficient solution for coating quality inspection, corrosion protection evaluation, production line quality control, and field testing applications. It helps users verify coating thickness consistency, improve surface treatment quality, and ensure long-term durability of industrial products and metal structures.