TESMEN Voltage Tester, TN-213 Non-Contact Voltage Detector, Electrical Tester, AC 12V-/70V-1000V, Dual-Range, LCD Display in Percentage, Buzzer alarm, Live wire Test, Wire Breakpoint finder - Green
Confidently identify live wires with the TESMEN TN-213 voltage tester, a compact yet powerful tool designed for ease and safety.Featuring an NCV probe, it distinguishes between live and neutral wires without direct contact, making it perfect for quick inspections around the home or on the job. The IP66 rating means it's fully waterproof and dustproof, so you can rely on it in various environments without worry. Its high and low sensitivity modes cater to a wide range of voltage detection needs, from household wiring to outdoor low-voltage applications, and the intuitive visual and audible alerts—ranging from a steady red light to an accelerating alarm—ensure clear results at a glance.
Designed with the user in mind, this tester slips comfortably into a shirt pocket thanks to its pen-like shape and built-in hook. The luminous flashlight function is a handy addition, allowing for accurate readings in dimly lit spaces like basements or attics. Automatic shut-off after five minutes helps conserve battery life, and the included two AAA batteries mean it's ready to use right out of the box. Whether you're a seasoned electrician or tackling DIY projects, this voltage tester offers a blend of functionality and portability that makes electrical work safer and more efficient.
Pros and Cons
- Safe Non-Contact Detection
- IP66 Waterproof and Dustproof
- Two Sensitivity Modes for Versatility
- User-Friendly with Visual and Audible Alerts
- Compact Design with Pen Hook for Easy Carrying
- Includes Batteries and User Manual
- Potentially Limited Range in Low-Sensitivity Mode
- Automatic Shut-Off May be Reliance-Dependent
| Key Specifications | |
|---|---|
| Dimensions | 1.61 x 1.02 x 6.22 inches |
| Weight | 2.89 ounces |
| Detection Range | 12-1000V (High) / 70-1000V (Low) |
| IP Rating | IP66 |
The Navy Electricity and Electronics Training Series: Module 23 Magnetic Recordi
Unlock the essentials of magnetic recording with this practical guide, designed for both beginners and experienced users. Dive into the world of magnetic tape and disk recording, exploring essential concepts and maintenance techniques that ensure reliable performance.Whether you're working in audio, video, or data storage, this compact resource provides actionable insights to maximize the lifespan and efficiency of your recording equipment, making it a valuable addition to any technician's or enthusiast's toolkit.
Experience the blend of theory and practice with clear, straightforward explanations that balance technical depth with real-world applications. Perfect for libraries, workshops, or individualstudy, the guide’s manageable size and approachable format encourage hands-on learning. Ideal for professionals needing a refresher or newcomers looking to build a strong foundation,this resource demystifies magnetic recording in an accessible and engaging way.
- Thorough introduction to magnetic recording principles
- Practical maintenance and troubleshooting advice
- Accessible for both beginners and experienced users
Cons:
- Limited to magnetic tape and disk technologies
- Basic coverage may lack depth for advanced practitioners
| Details | Details |
|---|---|
| Language | English |
| Page Count | 120 |
| 8 x 0.28 x 10 inches |
Basic Electricity (Dover Books on Electrical Engineering)
Mastering the fundamentals of electricity has never been more accessible than with this expanded and revised training course text. Designed for both broad and focused studies, it offers a comprehensive exploration of electrical theory and its practical applications. the 21 chapters cover everything from essential safety protocols and battery function to the complexities of alternating-current theories, generators, and motors. Each concept is brought to life with dozens of illustrations,creating an almost multimedia learning experience that bridges theory and practice seamlessly. This resource is perfect for classroom environments, self-study, or as a supplement to existing coursework, making complex topics approachable for students and lay readers alike.
The text is further enhanced by an extensive appendix section, providing quick references to common terms, component color-coding, and essential formulas. This ensures readers have all the tools they need at their fingertips, whether they're tackling homework problems, preparing for exams, or simply seeking to understand the world of electricity better. Its versatility makes it an invaluable asset for anyone from high school students to professionals looking to refresh their knowledge.
Pros:
Comprehensive coverage of electrical fundamentals
User-friendly layout with clear explanations
Abundant illustrations enhance understanding
Flexible for various learning styles (classroom, home study)
Valuable reference for both beginners and advanced learners
Cons:
Dated edition (1969, though修订 in 1970)
Lengthy content may be overwhelming for quick overviews
Lack of digital resources (apart from the print version)
| feature | Details |
|---|---|
| Pages | 490 |
| Illustrations | 349 |
| Publication Year | 1970 (2nd ed.) |
| Product | Key Features | Pros | Cons |
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Introduction To Topology |
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Unlock Your Potential
Basic Electricity (Dover Books on Electrical Engineering)
Comprehensive coverage of electrical fundamentals with clear illustrations and exercises for both students and hobbyists.
- Pros:
- Cons: