--- product_id: 509386270 title: "HT30A+201" price: "₱3720" currency: PHP in_stock: true reviews_count: 13 url: https://www.desertcart.ph/products/509386270-ht30a-201 store_origin: PH region: Philippines --- # 20:1 attenuator for high-voltage safety 3M heavy-duty test lead Full shielding reduces EMI noise HT30A+201 **Price:** ₱3720 **Availability:** ✅ In Stock ## Summary > 🔧 Diagnose like a pro, from bench to engine bay — no compromises! ## Quick Answers - **What is this?** HT30A+201 - **How much does it cost?** ₱3720 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/509386270-ht30a-201) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Noise-Free Diagnostics:** Full shielding effectively blocks electromagnetic interference from ignition systems and alternators. - • **Garage-Grade Durability:** Thick, heavy-duty leads built to withstand the harsh automotive environment without signal loss. - • **Universal Compatibility:** Standard BNC and 4mm banana plugs work seamlessly with all major oscilloscope brands. - • **Safe High-Voltage Testing:** 20:1 passive attenuator lets you measure up to 20V signals safely without risking your equipment. - • **Extended Reach, Zero Clutter:** 3-meter cable lets you keep your oscilloscope safely on the bench while working under the hood. ## Overview The HT30A+HT201 Hantek Oscilloscope Accessories Set is a professional-grade automotive diagnostic kit featuring a 3-meter heavy-duty BNC to banana adapter cable with full EMI shielding, a 20:1 passive attenuator with 10MHz bandwidth for safe high-voltage signal measurement, and versatile probes designed to reduce cable clutter and improve signal clarity. Perfect for millennial professionals seeking reliable, universal compatibility and durability in automotive oscilloscope testing. ## Description Product description The short line is earth wire, and the long line is positive pole which should be connected with the auto engine cable, which also can cooperate with a 20:1 attenuator. The Auto Test Cable (HT30A) is a kind of special line for assisting automobile measurement instruments to test various types of signals. HT201 Attenuator designed for assisting automobile measurement. Passive attenuator with 20:1 attenuation, if input a 20V signal, it can output a 1V signal. Bandwidth: 10MHz. Review: Works great - The HT30A Automotive Test Lead – A Must-Have for Mobile Diagnostics ​If you’re moving from basic electronics into automotive oscilloscope work, the HT30A is arguably the best "bang for your buck" upgrade you can buy. It solves the biggest headache of vehicle diagnostics: reach and cable clutter. ​### Why it’s a Game Changer ​The 3-Meter Advantage: Most standard scope probes are too short to reach from the engine bay to a laptop or scope sitting safely on a workbench or rolling cart. At 3 meters (nearly 10 feet), this lead gives you the freedom to move around the vehicle without dragging your expensive equipment toward a hot engine or spinning fans. ​Built for the Shop: Unlike delicate bench probes, the HT30A is thick and "heavy-duty." It feels like it belongs in a garage. The shielding is surprisingly good for the price point, effectively blocking out the EMI (electromagnetic interference) generated by ignition systems and alternators that often ruins cheaper signals. ​Smart Design: I love that the ground and signal leads at the end are different lengths. It seems like a small detail, but it prevents the clips from tangling or accidentally shorting against each other while you're trying to back-probe a tight connector. ​Universal Compatibility: Since it uses a standard BNC connector and 4mm banana plugs, it works with almost everything—Hantek, PicoScope, Owon, or Siglent. It’s the "universal adapter" of the automotive scope world. ​### The "Pro" Setup ​For the best results, I highly recommend pairing this with a 20:1 Passive Attenuator (like the HT201). This allows you to safely measure high-voltage signals like fuel injectors or primary ignition without risking your oscilloscope's inputs. ​Bottom Line: If you are doing professional-level diagnostics on a DIY budget, don't waste time with short, flimsy leads. The HT30A provides the reach and durability you need to get clean waveforms every time. Review: Muy oportuno - Todo llegó oportunamente y buen estado ## Features - HT30A: 3M BNC to banana adapter cable, heavy duty auto test lead. Allowing the oscilloscope away form the car being tested or repaired and placed on the bench - HT30A: It consists of wide range probes, clips, gators can be plugged into the 4 mm connectors at the end of the cable.Full shield can effectively reduce the noise interference - HT30A: A special line for assisting automobile measurement instruments to test various types of signals. which also can cooperate with a 20:1 attenuator - HT201: HT201 Attenuator designed for assisting automobile measurement. Passive attenuator with 20:1 attenuation, if input a 20V signal, it can output a 1V signal. Bandwidth: 10MHz - This oscilloscope accessories set suitable for auto measurement, it work better when used together, it meet your various demand of your oscilloscope test ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.3 out of 5 stars 105 Reviews | ## Images ![HT30A+201 - Image 1](https://m.media-amazon.com/images/I/71Lzji4d1+L.jpg) ![HT30A+201 - Image 2](https://m.media-amazon.com/images/I/71jXO-Pnh2L.jpg) ![HT30A+201 - Image 3](https://m.media-amazon.com/images/I/61cGkjl53QL.jpg) ![HT30A+201 - Image 4](https://m.media-amazon.com/images/I/612HheR1tmL.jpg) ![HT30A+201 - Image 5](https://m.media-amazon.com/images/I/617UuXTK6IL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great *by A***À on March 26, 2026* The HT30A Automotive Test Lead – A Must-Have for Mobile Diagnostics ​If you’re moving from basic electronics into automotive oscilloscope work, the HT30A is arguably the best "bang for your buck" upgrade you can buy. It solves the biggest headache of vehicle diagnostics: reach and cable clutter. ​### Why it’s a Game Changer ​The 3-Meter Advantage: Most standard scope probes are too short to reach from the engine bay to a laptop or scope sitting safely on a workbench or rolling cart. At 3 meters (nearly 10 feet), this lead gives you the freedom to move around the vehicle without dragging your expensive equipment toward a hot engine or spinning fans. ​Built for the Shop: Unlike delicate bench probes, the HT30A is thick and "heavy-duty." It feels like it belongs in a garage. The shielding is surprisingly good for the price point, effectively blocking out the EMI (electromagnetic interference) generated by ignition systems and alternators that often ruins cheaper signals. ​Smart Design: I love that the ground and signal leads at the end are different lengths. It seems like a small detail, but it prevents the clips from tangling or accidentally shorting against each other while you're trying to back-probe a tight connector. ​Universal Compatibility: Since it uses a standard BNC connector and 4mm banana plugs, it works with almost everything—Hantek, PicoScope, Owon, or Siglent. It’s the "universal adapter" of the automotive scope world. ​### The "Pro" Setup ​For the best results, I highly recommend pairing this with a 20:1 Passive Attenuator (like the HT201). This allows you to safely measure high-voltage signals like fuel injectors or primary ignition without risking your oscilloscope's inputs. ​Bottom Line: If you are doing professional-level diagnostics on a DIY budget, don't waste time with short, flimsy leads. The HT30A provides the reach and durability you need to get clean waveforms every time. ### ⭐⭐⭐⭐⭐ Muy oportuno *by J***O on July 29, 2025* Todo llegó oportunamente y buen estado ### ⭐⭐⭐⭐⭐ Just what we needed for the project *by J***O on May 23, 2025* Great product ## Frequently Bought Together - HT30A+ HT201 Hantek Oscilloscope Accessories Set BNC Connecter Auto Test Leads, Auto Ignition Probe and 10MHz 20:1 Attenuator for Assisting Automobile Measurement - withUtrade Hantek HT30A Heavy Duty Auto Test Lead 3M BNC to Banana Adapter Cable - Pico Technology PicoScope 2204A Oscilloscope 2 Channels 10 MHz Bandwidth, 100 MS/s Sampling Rate, Handheld USB PC Digital Portable Lab Kit, with Probes, PS7 Software and Waveform Generator --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ph/products/509386270-ht30a-201](https://www.desertcart.ph/products/509386270-ht30a-201) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-05-20*