Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) - Backlit LCD with Red Failure Alert | Voltage drop, line impedance, AC load simulation, GFCI/EPD trip test, backlit LCD red fail alert, leads
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Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) - Backlit LCD with Red Failure Alert | Voltage drop, line impedance, AC load simulation, GFCI/EPD trip test, backlit LCD red fail alert, leads
The CT70 is a GFCI and AC Circuit Analyzer which covers outlet load handling and outlet tester functions providing accurate and essential measurements to make sure machines and equipment are working safely and effectively.
Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) - Backlit LCD with Red Failure Alert | Voltage drop, line impedance, AC load simulation, GFCI/EPD trip test, backlit LCD red fail alert, leads
物品 #: 4518431

Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) -

物品 #: 4518431

HKD 2759

Price Details

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*All items will import from 美國

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現在訂購，約可在下列時間收貨： Sunday, 八月 02
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The CT70 is a GFCI and AC Circuit Analyzer which covers outlet load handling and outlet tester functions providing accurate and essential measurements to make sure machines and equipment are working safely and effectively.
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Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

Comprehensive Testing
The Extech CT70 provides precise AC voltage and current measurements, ensuring accurate load testing across various electrical applications, making it indispensable for electricians and technicians.
User-Friendly Interface
Designed with a large LCD display and intuitive controls, the CT70 guarantees ease of use for all skill levels, enhancing efficiency during inspection and troubleshooting tasks.
Durable Construction
Built to last, this circuit load tester features a rugged design that withstands demanding environments, providing reliable performance and longevity for professional use.

產品詳情

Shop Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) - Backlit LCD with Red Failure Alert | Voltage drop, line impedance, AC load simulation, GFCI/EPD trip test, backlit LCD red fail alert, leads online at a best price in 香港. B0058ELNFY
  • AC Load Tester with selectable loads of 12, 15, and 20 Amps
  • Displays Peak Line Voltage and Frequency
  • Includes Outlet Tester functions and measures Neutral to Ground Voltage
  • Measures both loaded and unloaded AC Line Voltage
  • Tests Hot, Neutral, and Ground Impedance
  • Features GFCI Trip Time, GFCI Trip Current, and Open or Reversed wiring testing
Power SourceCorded Electric
Minimum Operating Voltage90 Volts (AC)
Style NameAC Circuit Circuit Analyzer
ColorBlack
Item Weight1 Pounds (450 grams)
Item Dimensions8 x 2.8 x 2 inches (20.3 x 7.1 x 5.1 cm)
Specification MetCE, ETL
Brand NameExtech
ModelCT70
UPC793950000700
ManufacturerExtech
Global Trade Identification Number00793950000700
Part NumberCT70
Included ComponentsAC test cord
Unit Count1.0 Count
BrandExtech
StyleAC Circuit Circuit Analyzer

Who Should Buy?

Suitable For
  • Electricians

    Perfect for electricians needing to test AC circuits efficiently and accurately under different load conditions.

  • Home Inspectors

    Ideal for home inspectors who must evaluate electrical systems to ensure safety and compliance during assessments.

  • DIY Enthusiasts

    Great for do-it-yourselfers who want a reliable tool to troubleshoot electrical problems in home projects.

Not Suitable For
  • Heavy Industries

    Not suited for heavy industrial applications where high-capacity load testing is required beyond the device's limits.

產品敘述

Extech CT70 GFCI and AC Circuit Analyzer - Professional Receptacle Tester with Voltage Drop, Line Impedance, and AC Load Simulation (12A, 15A, 20A) - Backlit LCD with Red Failure Alert | Voltage drop, line impedance, AC load simulation, GFCI/EPD trip test, backlit LCD red fail alert, leads

有疑問？ 與我們聊天

客戶問題＆回答

  • 題: What is the Extech CT70 AC Circuit Load Tester used for?

    回答: The Extech CT70 AC Circuit Load Tester is designed for testing the performance of electrical circuits, particularly when troubleshooting electrical systems. This handy device allows electricians to measure circuit load accurately, ensuring circuits are not overloaded. The CT70 can also indicate potential issues before they lead to failures, making it an essential tool for both professionals and DIY enthusiasts. For instance, when working on a home electrical project, users can quickly determine if a circuit can handle the required load, ensuring safety and efficiency.
  • 題: What types of loads can the Extech CT70 test?

    回答: The Extech CT70 is capable of testing a variety of loads, including resistive loads such as incandescent lights and heating equipment, as well as inductive loads like motors and transformers. This flexibility allows users to evaluate circuits in diverse applications. For example, a technician can use it to check the load capacity of a circuit powering a central air conditioning unit, ensuring it operates within safe parameters.
  • 題: How does the Extech CT70 measure circuit load?

    回答: The Extech CT70 measures the circuit load using its integrated load testing capabilities. It applies a known load to the circuit and measures the voltage drop across the load, providing a direct reading of the circuit's performance. This method helps users quickly identify if the circuit can adequately support additional equipment. Imagine an electrician validating a circuit before adding new appliances; the CT70 provides clear, reliable readings to make informed decisions.
  • 題: Is the Extech CT70 portable?

    回答: Yes, the Extech CT70 is designed with portability in mind. It features a lightweight and compact design that allows professionals to carry it easily in tool bags or backpacks. This portability makes it ideal for fieldwork, such as electrical inspections or site assessments. Users can conveniently take it on service calls to evaluate circuits on-site without being tied to a specific location.
  • 題: What is the maximum load capacity of the Extech CT70?

    回答: The maximum load capacity of the Extech CT70 is typically around 15A for a standard circuit test. This makes it suitable for a wide range of common residential and commercial applications. Users handling larger loads can also use this tester to ensure circuits are not exceeded, thus enhancing safety and functionality. For example, an electrician assessing whether a circuit can handle several high-wattage devices can rely on the CT70 to accurately measure the load.
  • 題: Does the Extech CT70 have any built-in safety features?

    回答: Absolutely. The Extech CT70 includes several built-in safety features to protect both the user and the device during operation. It incorporates a rugged design to withstand the rigors of daily use and includes features like overload protection and a backlit display for visibility in low-light conditions. This focus on safety makes it a reliable choice for both professionals and hobbyists working on various electrical applications.
  • 題: Can the Extech CT70 be used for troubleshooting?

    回答: Yes, the Extech CT70 is an effective tool for troubleshooting electrical issues. With its capabilities to measure load and performance, users can quickly pinpoint problems within circuits that may lead to electrical failures. For instance, when dealing with circuit interruptions, this tester allows users to isolate the issue, whether it be an overload or a fault in the circuit, facilitating efficient repairs and maintenance.
  • 題: What types of displays does the Extech CT70 feature?

    回答: The Extech CT70 is equipped with an intuitive digital display that provides clear and accurate readings. Users can view measurements of voltage, current, and resistance, making it straightforward to assess circuit performance. This digital interface is especially useful during complex electrical tasks, as users can easily track and analyze data in real time, enhancing decision-making during testing or troubleshooting procedures.
  • 題: How does the Extech CT70 aid in energy efficiency assessments?

    回答: The Extech CT70 aids in energy efficiency assessments by allowing users to measure the actual load on electrical circuits. By evaluating how much power is being used versus the capacity of the circuit, users can identify inefficiencies and opportunities for reducing energy consumption. Homeowners or businesses looking to optimize their energy use can use this tool to determine if a circuit is being under-utilized or overextended, paving the way for improved energy management.
  • 題: Where can I buy the Extech CT70 AC Circuit Load Tester in Hong Kong?

    回答: You can purchase the Extech CT70 AC Circuit Load Tester from Ubuy in Hong Kong. Ubuy offers a convenient platform to order this product, ensuring you have access to this essential tool for all your electrical testing needs.

Extech Circuit Testers Editorial Review

The Extech CT70 AC Circuit Load Tester is a useful tool for troubleshooting and identifying issues with wiring in residential buildings. It can help detect voltage drop and identify the number of receptacles on a single branch circuit. However, it cannot be used to test GFCI outlets or simulate ground faults. It is not suitable for use in 2-prong outlets or 1-phase 2-wire circuits with no neutral. The product is well-built and easy to use. However, it does not come with a successor that tests AFCI and GFCI. Some reviewers have had issues with the warranty and experienced malfunctions with the product.

Customer Reviews & Ratings

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優點

  • Helps detect voltage drop
  • Can identify the number of receptacles on a single branch circuit
  • Easy to use and understand

缺點

  • Cannot be used to test GFCI outlets or simulate ground faults

Platform Trust & Buyer Confidence

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3.8/5 96 reviews
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FZ
F Zhang
Verified buyer

“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot
RD
Roxy
Verified buyer

“Great products and services”

17 April 2026 · via Trustpilot
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Khushi
Verified buyer

“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

6 July 2026 · via Trustpilot
KM
kritika
Verified buyer

“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot
S
Sam
Verified buyer

“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot
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HKD 2759

現在訂購，約可在下列時間收貨： Sunday, 八月 02

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特色和優勢

  • CT70 is a GFCI and AC Circuit Analyzer.
  • Covers outlet load handling and outlet tester functions.
  • Displays Peak Line Voltage and Frequency.
  • Measures loaded and unloaded AC Line Voltage, Hot, Neutral and Ground Impedance.
  • GFCI Trip Time, GFCI Trip Current, Open or Reversed wiring.
  • Complete with AC test cord (standard North American 3-prong plug).

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