TA881A is a professional Non-Contact Voltage Tester, NCV Voltage Detector, AC Voltage Detector Pen, Voltage Test Pen and Electrical Tester designed for fast and safe AC voltage detection without direct contact with live conductors. Using advanced electromagnetic induction technology, the tester can quickly identify whether an AC electrical line is energized while maintaining a safe distance from the conductor. It supports a wide AC voltage detection range of 12V to 1000V, making it suitable for residential, commercial and industrial electrical inspection applications. The TA881A features dual sensitivity modes, including high sensitivity mode (12–1000V) and low sensitivity mode (48–1000V), allowing users to select the appropriate detection level for different environments such as wall wiring inspection, electrical panels, power distribution systems, control cabinets and machinery maintenance. Designed according to EN61326-1 and EN61010 safety standards, with CAT III 1000V safety rating, the tester provides reliable protection during electrical troubleshooting. The integrated live wire identification function, combined with audible and visual alarms, helps users quickly locate live wires, check cable conditions and identify wiring faults. With a compact pen-style design, built-in LED flashlight and battery-powered operation, TA881A is widely used in home electrical installation, electrical engineering, facility maintenance, HVAC and mechanical equipment servicing, industrial production line inspection, low-voltage engineering, building maintenance and electrical safety checks. TA881A is an essential handheld electrical testing tool for electricians, technicians, engineers and maintenance professionals requiring safe, efficient and portable AC voltage detection.

The TASI TA882Series Digital Voltage Tester Pen is a compact and multifunctional electrical testing tool designed for voltage detection, circuit inspection and wiring troubleshooting. Also known as a voltage test pen, electrical tester pen, digital test screwdriver, circuit detector pen, non-contact voltage detector and electrician test tool, the TA882 Series is widely used in home electrical installation, construction wiring, industrial equipment maintenance, power distribution inspection, facility management and daily electrical troubleshooting. Supporting 12~300V AC voltage detection, the TA882 Series integrates multiple functions including live/neutral wire identification, continuity buzzer testing, DC polarity detection and battery polarity checking. With both non-contact sensing and contact measurement modes, the tester allows users to quickly locate hidden wires, identify live circuits and accurately measure voltage values in different working environments. The TA882A features a dual-color red and green backlit display. The screen shows green during normal testing and automatically changes to red with audible and visual alarms when dangerous voltage levels are detected, providing enhanced safety awareness during electrical inspection. The TA882B adopts a clear green backlight display, offering simple and reliable voltage measurement for daily maintenance applications. Equipped with a built-in LED flashlight, the tester provides additional illumination for dark distribution boxes, equipment cabinets and night-time repair work. The integrated 3.7V/220mAh rechargeable lithium battery with Type-C charging interface eliminates frequent battery replacement. Low battery warning and 5-minute auto power-off functions improve energy efficiency and extend operating convenience. Featuring a lightweight pen-style design with only approximately 46g weight, the TA882 Series Digital Voltage Tester Pen is easy to carry and operate with one hand. It is an ideal electrical inspection tool for electricians, maintenance technicians, contractors, DIY users and professionals working in residential, commercial, industrial and electrical service applications.

The TASI TDA Series Digital Adjustable DC Power Supply is a professional laboratory power supply designed for high-precision output, reliable protection and convenient operation. Equipped with a four-digit LED display, the series provides real-time monitoring of output voltage, current and power, while supporting precise digital adjustment of voltage and current settings. Featuring built-in over voltage protection (OVP), over current protection (OCP), power-off parameter memory, key lock function and automatic switching between constant voltage (CV) and constant current (CC) modes, the TDA Series provides stable and safe DC power output for various testing and development applications. As a high-performance Adjustable DC Power Supply, Variable DC Power Supply, DC Bench Power Supply, Laboratory Power Supply and Electronic Test Power Supply, the TDA Series is widely used in electronics development, product testing, maintenance repair, industrial production and educational laboratories. Its optimized cooling design, low temperature drift and stable output performance ensure reliable operation during continuous testing. The series is suitable for universities, research laboratories, electronics manufacturing plants, automation systems, renewable energy development, instrumentation testing, repair workshops, security systems, robotics projects and maker applications. It provides precise and stable DC power for microcontrollers, circuit boards, sensors, control modules, battery protection boards and various electronic devices.

TASI TDB Series Adjustable DC Power Supply is a high-precision regulated power supply featuring constant voltage (CV) and constant current (CC) operation, with multiple output options ranging from 15V/5A to 100V/3A. As an adjustable DC power supply, laboratory power supply, variable power supply, bench power supply, and electronic test power source, it is widely used in R&D laboratories, electronics manufacturing, production line testing, industrial maintenance, automation systems, educational training, PCB testing, automotive electronics, communication equipment and component inspection applications. The TDB Series supports automatic switching between constant voltage and constant current modes, providing precise and continuous adjustment of output voltage and current. With high setting resolution, low ripple output and excellent stability, it delivers reliable DC power for electronic components, circuit boards, sensors, modules and various electronic devices requiring accurate power control. Equipped with built-in Over Voltage Protection (OVP) and Over Current Protection (OCP), the power supply allows users to set protection thresholds according to different applications. When abnormal output conditions occur, the system quickly disables the output to protect the connected devices and the power supply itself. The TDB Series supports three groups of parameter storage (M1/M2/M3), allowing users to save and recall frequently used settings for efficient repeated testing. The integrated RS232 communication interface enables connection with computers and automated test systems for remote control, parameter configuration and data acquisition, making it suitable for smart manufacturing environments. The high-resolution digital display provides real-time voltage, current and power readings simultaneously. Combined with adjustment knobs, function keys, output control and parameter lock functions, the operation is simple and efficient. With compact construction, forced cooling design and a 0–40℃ operating temperature range, the TDB Series is ideal for laboratory experiments, electronic product development, production line aging tests, repair stations and professional testing applications.

The TDC series dc power supply is a high-precision programmable dc power supply that integrates Constant Voltage (CV), Constant Current (CC), and Constant Power (CP) operating modes. It automatically switches according to load conditions, delivering stable and reliable DC output for a wide range of testing and power supply applications. Featuring a 4-digit LED display, the unit provides real-time monitoring of voltage, current, and power. With coarse and fine adjustment controls, it enables precise parameter setting and offers excellent performance with high accuracy, low ripple, low temperature drift, and fast response. Powered by a standard AC220V input (AC110V customizable), the TDC Series incorporates comprehensive protection and convenience features, including OVP (Over Voltage Protection), OCP (Over Current Protection), power-off memory, three preset memory groups (M1/M2/M3), key lock function, and intelligent forced-air cooling. An integrated RS232 communication interface supports remote control, automated testing, and data acquisition, making it ideal for industrial automation and system integration applications. Available in a wide range of voltage, current, and power ratings, the TDC Series is widely used in educational laboratories, R&D facilities, production testing, product aging tests, industrial control systems, renewable energy equipment, electronic maintenance, instrumentation development, and automated test systems. It provides a stable, safe, and precise DC power solution for electronic components, circuit boards, control modules, and other electronic devices.

The TASI TDE Series High Power Adjustable DC Power Supply is a high-performance constant voltage and constant current power source integrating precise output control, intelligent monitoring and comprehensive safety protection. Also known as an adjustable DC power supply, laboratory DC power supply, programmable DC power supply, bench power supply, constant voltage power supply, constant current power supply and industrial testing power supply, the TDE Series provides stable and accurate DC output for various electronic and electrical testing applications. Equipped with a four-window high-definition LED display, the power supply simultaneously monitors output voltage, current, power and equivalent load resistance in real time, allowing engineers and technicians to quickly analyze load conditions and optimize testing efficiency. The precision rotary adjustment design supports fine voltage and current tuning, while parameter memory and output lock functions improve repeatability and prevent accidental operation during long-term testing. The TDE Series features automatic switching between Constant Voltage (CV) and Constant Current (CC) modes, combined with five-layer protection including over-voltage protection (OVP), over-current protection (OCP), over-power protection, over-temperature protection and short-circuit protection. These advanced protection systems ensure safe operation for both the power supply and connected devices. With multiple power options covering voltage ranges from 0-15V to 0-120V, current output up to 100A and power capability up to 3600W, this high power adjustable DC power supply is widely used in electronics laboratories, electrical engineering, automotive electronics, new energy vehicles, battery PACK testing, energy storage systems, solar inverter development, charging stations, industrial automation, robotics, aerospace electronics, railway systems, equipment maintenance and university research laboratories. Featuring excellent voltage stability, low ripple noise, strong load capability and intelligent cooling technology, the TDE Series provides reliable power solutions for R&D testing, production line aging tests, product verification, maintenance applications and continuous industrial operation.