The TASI TA10 Series Non-Contact Voltage Tester Pen includes two compact electrical testing tools, TA11B+ and TA13A, also known as non-contact voltage detectors, NCV testers, voltage sensing pens, electrical test pens, AC voltage detectors, and electrician inspection tools. Equipped with advanced NCV (Non-Contact Voltage Detection) technology, these testers can detect AC voltage without stripping wires or making direct contact with live conductors, improving safety and efficiency during electrical inspection. The TA10 Series supports 12~1000V AC voltage detection with adjustable high and low sensitivity modes, allowing electricians to quickly locate electrical fields from a distance or accurately identify live wires at close range. Featuring a digital display, audible and visual alarms, LED flashlight, low battery indication, and automatic power-off function, the tester provides clear and reliable electrical inspection results. The TA11B+ model is designed for basic non-contact voltage detection and live/neutral wire identification, while the TA13A adds a three-phase phase sequence testing function for checking three-phase power systems, motors, control cabinets, and industrial electrical equipment. With its compact pen-style design, high safety protection, and easy operation, the TA10 Series Non-Contact Voltage Tester is widely used in home electrical installation, building maintenance, facility management, industrial electrical inspection, factory power distribution maintenance, automation equipment servicing, HVAC electrical troubleshooting, construction projects, fire protection system inspection, and professional electrician applications. It is an essential handheld electrical safety tester for electricians, technicians, maintenance engineers, and installation professionals.

The TA502B Digital Network Cable Tester & Wire Tracker is a professional cable inspection tool integrating cable tracing, wire mapping, continuity testing, telephone line checking, voltage detection and DC polarity testing functions. Powered by advanced digital signal transmission technology, it enables fast and accurate identification of RJ45 Ethernet cables, RJ11 telephone cables, coaxial video cables and various low-voltage metal wires, helping technicians quickly locate open circuits, short circuits, wiring errors and crossed connections. Featuring high-sensitivity signal detection and adjustable interference resistance, the TA502B network cable tracer delivers reliable performance in complex cabling environments such as server rooms, data centers, structured cabling systems and industrial facilities. The receiver is equipped with LED indicators and built-in flashlight illumination, allowing convenient cable identification and maintenance even in dark areas such as cabinets, ceilings and underground cable channels. Also known as a Network Cable Tester, Wire Tracer, Cable Tracker, Ethernet Cable Finder or Cable Locator, the TA502B is widely used in structured cabling projects, network installation, telecommunications engineering, security surveillance systems, smart buildings, data centers, server maintenance, industrial automation, electrical service and system integration applications. It is an ideal troubleshooting and installation tool for network engineers, electricians, IT technicians and low-voltage professionals.

The TA800A Handheld Digital Multimeter (DMM / Electrical Tester) is a compact and reliable electrical measurement tool designed according to the IEC61010-1 safety standard with CAT III 600V protection rating. Featuring a 2000-count LCD display, this digital multimeter supports essential measurements including DC voltage, AC voltage, DC current, resistance, diode testing, and continuity buzzer testing, making it suitable for daily electrical troubleshooting and component inspection. Equipped with practical functions such as data hold, backlight display, and automatic power-off, the TA800A provides convenient operation and efficient measurement performance in various working environments. Its compact handheld design makes it easy to carry for electricians, maintenance technicians, engineers, and electronics users. The TA800A digital multimeter, also known as a handheld multimeter, electrical tester, voltage meter, current meter, resistance tester, or circuit testing instrument, is widely used in electrical installation, building maintenance, HVAC electrical troubleshooting, home appliance repair, industrial equipment servicing, control cabinet inspection, electronic laboratories, vocational training, and DIY electronics projects. It helps users quickly identify circuit problems, verify electrical parameters, and improve maintenance efficiency.

TA801 Series Digital Multimeter is a compact and versatile handheld measuring instrument designed for electricians, maintenance engineers, technicians and electronics enthusiasts. It is also widely known as a handheld multimeter, electrical tester, voltage tester, current meter, circuit analyzer and multifunction electrical meter. The TA801 Series includes four models: TA801A, TA801B, TA801C and TA801D, offering different solutions from basic electrical measurement to advanced multifunction testing. TA801A features a 1999-count display for daily electrical inspections, while TA801B, TA801C and TA801D provide 9999-count high-resolution measurement. The TA801D supports intelligent auto-ranging measurement with manual mode selection, improving testing efficiency in various working environments. Designed according to the EN61010-1 electrical safety standard, the TA801 Series Digital Multimeter features a clear LCD display and supports AC/DC voltage, AC/DC current, resistance, continuity testing, diode testing, NCV non-contact voltage detection and live/neutral wire identification. Advanced models additionally support capacitance, frequency and duty cycle measurement for electronic component testing, circuit analysis and troubleshooting. The instrument integrates practical functions including LED flashlight, LCD backlight, data hold, auto power-off and overload protection. These features allow technicians to easily perform measurements in low-light environments such as electrical cabinets, industrial equipment rooms, ceiling wiring systems and construction sites. With reliable performance, portable design and user-friendly operation, TA801 Series Digital Multimeter is widely used in residential electrical installation, building maintenance, facility management, appliance repair, industrial equipment servicing, automation systems, electronics laboratories, technical training and DIY electronic projects. It provides an efficient solution for electrical inspection, circuit troubleshooting and preventive maintenance.

The TA802 Series Pen-Type Smart Digital Multimeter, including TA802A and TA802B models, combines the portability of an electrical test pen with the professional measurement capabilities of a digital multimeter. Designed for electrical testing, maintenance and troubleshooting, it provides a compact and efficient solution for electricians, engineers and technicians. Compliant with GB4793.1 and EN61010-1 international safety standards, the instrument features a high-resolution 9999-count display, automatic ranging function and an innovative pen-style design. The 180° rotating display allows convenient viewing from different angles, making it suitable for single-hand operation and use in limited spaces. The TA802 Series digital multimeter supports AC/DC voltage, resistance, continuity buzzer, diode testing, capacitance and frequency measurement. Integrated NCV non-contact voltage detection and live wire identification functions enable fast electrical inspection and circuit troubleshooting. The TA802A model additionally provides logic level testing for electronic circuit debugging, PCB testing and digital signal analysis. Equipped with LCD backlight, built-in LED flashlight, data hold function, configurable auto power-off and multiple overload protection circuits, this portable pen multimeter is widely used in home electrical installation, building maintenance, appliance repair, industrial equipment servicing, automation production line inspection, low-voltage engineering, smart building projects, electrical training and electronic development applications. With its compact design, versatile functions and reliable safety protection, the TA802 Series Pen Multimeter is an ideal handheld measurement tool for electricians, maintenance engineers and electronics professionals.

The TA803 Series True RMS Digital Multimeters are designed for electrical maintenance, industrial service, electronics troubleshooting, and laboratory applications. The series includes TA803A, TA803B, and TA803C, offering multiple performance levels to meet both everyday electrical testing and high-precision measurement requirements. Equipped with True RMS technology, the TA803 Series accurately measures both sinusoidal and non-linear waveforms generated by variable frequency drives, motor controllers, and other modern electronic equipment. Compared with conventional average-responding multimeters, it delivers higher accuracy in demanding electrical environments. The series offers 3999-, 5999-, and 20000-count display resolutions. TA803A is ideal for routine electrical maintenance, while TA803B adds frequency and temperature measurement for HVAC and industrial applications. TA803C features a 20000-count high-resolution display, making it suitable for precision electronics, industrial automation, and laboratory testing. The meters support auto-ranging measurement of AC/DC voltage, AC/DC current, resistance, capacitance, continuity, and diode testing. Selected models also provide frequency and K-type temperature measurement to meet more advanced testing requirements. A backlit LCD display, Data Hold, and Max/Min recording functions improve efficiency during field measurements. Designed in accordance with IEC safety standards, the TA803 Series features a CAT III safety rating and full-range overload protection for reliable operation in demanding environments. With automatic power-off, low battery indication, and a compact handheld design, the TA803 Series is an ideal solution for electricians, maintenance engineers, industrial technicians, HVAC professionals, electronics engineers, and laboratory users.