1 × DOS1102 Digital Oscilloscope 2 × Passive Probes (likely 1X/10X switchable) 1 × Power Adapter (DC powered) 1 × USB Data Cable 1 × User Manual (Multilingual) 1 × U Disk (for data transfer/software) 1 × Calibration Line (if included) 1 × Carrying Case or Protective Foam (if bundled as pro kit)
Key Features
AC voltage detection: 12V–1000V
9-level adjustable sensitivity
Digital sensitivity display
Built-in flashlight
Auto power-off
1-meter drop resistance
Audible and visual alarm
Delivery time
3-4 Business Days
HANMATEK AC1 Voltage Detector – 9 Sensitivity Levels, AC Circuit Tester with LCD Display, LED Flashlight & Buzzer Alarm (12V-1000V)
Item dimensions L x W x H: 5.08 x 0.79 x 1.14 inches
Product Features
Non-Contact AC Voltage Detection
Equipped with a high-sensitivity NCV (Non-Contact Voltage) sensor, this tester lets you detect the presence of AC voltage without touching live wires. Simply power on and bring the probe close to an outlet, cable, or socket — safe, fast, and convenient.
Smart Alarm with Visual & Audio Indicators
When voltage is detected, the tester:
Flashes LED indicators based on signal strength:
🟥🟥 High
🟩🟩 Medium
🟩 Low
Emits corresponding beeps for each level This allows you to quickly assess voltage intensity without guesswork.
Adjustable Voltage Range (9 Levels)
Switch between two detection modes:
12–1000V for general use
90–1000V for focused high-voltage detection With 9-step adjustable sensitivity, you can tailor the tester to various work environments — from low-voltage electronics to high-voltage power lines.
Compact, Safe, and Easy to Use
Lightweight, pen-shaped design fits in your pocket and tool belt. Ideal for electricians, homeowners, and DIYers for quick voltage checks without physical contact or meter probes.
NCV Tester with Adjustable Sensitivity
Precautions for Battery Installation
Please install battery correctly and pay attention to the positive and negative electrodes. The error installation causes the voltage tester pin to stop working normally.
Intelligent Reminder of Voltage
Automatic switch-off - After approx. 3 minutes without operation or signal detection, the voltage detector is switched off automatically to save electricity. This can extend battery life.
Battery status indicator - It is helpful to use the pen safely.
If the pen does not perform well, you will be prompted on the LCD screen.
Replace the battery in time to avoid using the pen when the pen is not receiving power.
Adjustable Sensitivity
Turn on the power switch and press the up and down button to adjust the signal strength
Setting range LED digital display, adjustable gear 1 to 9 gears freely adjustable
LED Flashlight
Comfortable and friendly design. For its weight or overall design, this pen is as easy to carry as a normal pen. The design of the pencil holder allows you to carry the pen anywhere. You can take it in your pocket after use without taking up much space.
Tension Wire Test
The buzzer issues a quick warning when the end of the tester is close to the object to be measured. The red light flashes quickly and the LCD is red. This indicates that the tested line is a live line.
Portable Pencil Hook
Comfortable and friendly design. For its weight or overall design, this pen is as easy to carry as a normal pen. The design of the pencil holder allows you to carry the pen anywhere. You can take it in your pocket after use without taking up much space
At Hanmatek, we are committed to providing high-quality products and exceptional customer service. Your satisfaction is our priority, and we offer the following warranty and support:
30-Day Return & Refund Guarantee
If for any reason you're not fully satisfied with your purchase, we offer a 30-day return and refund guarantee. Please refer to our Refund Policy for more details.
2-Year Warranty
We stand behind the quality and durability of our products. Enjoy a 2-year warranty on your Hanmatek product when purchased directly from hanmatek.com. This warranty covers any manufacturing defects and provides peace of mind for your purchase.
Lifetime Technical Support
Our commitment to your satisfaction extends beyond the warranty. Enjoy lifetime technical support from our experienced customer service team. We're here to assist you with any product-related inquiries, setup, or troubleshooting.
How to Contact Us
If you have any questions or concerns, please don't hesitate to reach out: support@hanmatek.com
24 hours to ensure your queries are addressed promptly.
Thank you for choosing Hanmatek®. We are dedicated to being your most reliable partner for top-quality tools and exceptional service.
Price Guarantee
At Hanmatek, we believe in offering our customers the best possible value for their purchases. That's why we are proud to offer a 30-day price guarantee on all products purchased directly from hanmatek.com. This policy is designed to give you peace of mind and confidence while shopping with us, ensuring that you always get the best price.
What is the 30-Day Price Guarantee?
Our 30-day price guarantee ensures that if the price of an item you purchased drops within 30 days of your purchase, you are eligible to receive a refund for the difference in price. Please note that this applies to prices listed in USD. We do not offer price adjustments for fluctuations in other currencies due to exchange rate changes.
Eligibility Criteria
Applies only to products purchased on hanmatek.com. Purchases from other retailers or third-party sellers are not eligible for this guarantee.
Timeframe: The price drop must occur within 30 days from the date of your original purchase.
Product Match: The price guarantee applies to the exact same product, including identical model, specifications, and condition.
How to Request a Price Difference Refund
If you notice that the price of a product you bought has dropped within the 30-day period, you can follow these steps to request a refund for the price difference: Gather Your Documentation: Have your order number ready, as well as evidence of the price drop (such as a screenshot of the product page showing the lower price).
Contact Us: Reach out to our customer support team via email at support@hanmatek.com. Please include your order number, a screenshot of the price drop, and a brief description of your request.
Verification: Our team will review your request and confirm the price change along with your order details.
Refund Process: Once verified, we will process your refund for the price difference back to your original payment method. Refunds typically take 1-3 business days to be reflected.
Why Shop with Hanmatek? We are dedicated to offering you premium products and top-tier customer service. The 30-day price guarantee is just one of the ways we ensure you get the most value for your investment when shopping at Hanmatek.
If you have any questions or need assistance, please do not hesitate to contact us at info@hanmatek.com. We're here to help!
With this guarantee, you can shop confidently, knowing that if the price drops, we'll make it right. Thank you for choosing Hanmatek!