- 主頁 /
- Tools & Home Improvement /
- Electrical /
- Testers /
- Multi Testers /
- OTC Insulation Multimeter,1000 AC Volts (3990...
商品＃:
10845167
OTC Insulation Multimeter,1000 AC Volts (3990), Black
89% of respondents would recommend this to a friend
商品＃:
10845167
TWD 19669
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
0 ratings
撰寫評論
有存貨
從USA商店匯入
QTY:
庫存僅剩 1 件商品。
立即訂購並活動它 Sunday, 九月 20
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The Insulation Multimeter is a versatile and powerful tool with a wide range of features to make your job easier and more efficient.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
High Voltage Rating
Rated for 1000 AC volts, this multimeter is ideal for safely measuring high voltage applications, making it a reliable tool for electricians and technicians in diverse environments.
Durable Design
The rugged construction ensures long-term durability and reliability, designed to withstand harsh working conditions while providing accurate insulation resistance measurements.
User-Friendly Interface
Featuring an intuitive display and easy-to-navigate controls, this multimeter simplifies operation, enabling users to quickly perform tests without extensive training or experience.
產品詳情
| Power Source | Battery Powered |
| Upper Temperature Rating | 998 °F |
| Measurement Type | Multimeter |
| Compatible Devices | Any device with electrical circuits |
| Style Name | Multimeter |
| Color | Black |
| Item Weight | 16 ounces (453.6 grams) |
| Item Dimensions | 10.5 x 6.8 x 3 inches (26.7 x 17.3 x 7.6 cm) |
| Specification Met | CE, FCC |
| Brand Name | OTC |
| Model | 3990 |
| Unit Count | 1 Count |
| UPC | 731413557248 731413417962 |
| Number of Items | 1 |
| Manufacturer | OTC |
| Number of Packs | 1 |
| Global Trade Identification Number | 00731413557248 |
| Included Components | Product & Instructions Guide |
| Item Type Name | OTC Insulation Multimeter,1000 AC Volts (3990), Black |
| Part Number | 3990 |
| Brand | OTC |
| Style | Multimeter |
What's in the box
Product & Instructions Guide
Who Should Buy?
-
Electrical Technicians
Ideal for technicians performing insulation resistance tests in various electrical applications, ensuring safety and reliability.
-
HVAC Professionals
Useful for HVAC professionals to check insulation resistance in motors and compressors, preventing equipment failures.
-
Field Service Engineers
Perfect for field service engineers needing portable tools to diagnose issues quickly on-site during service calls.
-
Casual Users
Not suitable for casual users or homeowners who may lack the expertise to properly use a multimeter.
產品描述
有疑問？ 和我們聊天
客戶問題與解答
-
問題:
What is an OTC Insulation Multimeter and how is it used?
Answer: The OTC Insulation Multimeter, model 3990, is a versatile tool designed to measure insulation resistance up to 1000 AC volts. It is primarily used by electricians and technicians to diagnose insulation issues in electrical systems. For instance, when troubleshooting a motor, the multimeter can help identify if insulation breakdown is causing current leaks, ensuring safety and system reliability. -
問題:
What are the key features of the OTC Insulation Multimeter, 1000 AC Volts?
Answer: The OTC Insulation Multimeter 3990 features high insulation resistance measurement capabilities, multiple voltage ranges, and a user-friendly display. These features enhance accuracy and ease of use in various testing scenarios, from simple home electrical inspections to complex industrial applications. This multimeter also includes safety measures against overload, ensuring safe operations in demanding environments. -
問題:
Can the OTC Insulation Multimeter measure both AC and DC voltages?
Answer: No, the OTC Insulation Multimeter 3990 is specifically designed to measure insulation resistance and AC voltages. It excels in providing readings essential for diagnosing insulation quality and electrical safety, particularly in alternating current scenarios. For DC measurements, users would need a different instrument, ensuring the appropriate tool is used for accurate results. -
問題:
What is the maximum insulation resistance that the OTC 3990 can measure?
Answer: The OTC Insulation Multimeter 3990 can measure insulation resistance up to 2 GΩ (gigaohms). This high range allows technicians to effectively evaluate the quality of insulation in various electrical appliances and systems. For example, evaluating older wiring systems will help prevent failures and enhance system safety by identifying potential problems before they arise. -
問題:
How can the OTC multimeter assist in diagnosing electrical issues?
Answer: The OTC Insulation Multimeter 3990 helps diagnose electrical issues by measuring insulation resistance, which indicates the health of electrical insulation. For example, when inspecting an old generator, the multimeter can detect low insulation readings, signaling potential breakdown and the need for repairs. This proactive approach helps avoid dangerous electrical failures and extends equipment lifespan. -
問題:
What types of industries typically use the OTC Insulation Multimeter?
Answer: The OTC Insulation Multimeter 3990 is widely used in various industries, including electrical contracting, manufacturing, and facility maintenance. Electricians use it to ensure the safety of installations, while manufacturing plants utilize it for equipment maintenance. For instance, a factory might conduct regular checks on their motors to prevent downtime due to insulation failures, highlighting its importance in maintaining operational efficiency. -
問題:
Is the OTC Insulation Multimeter portable?
Answer: Yes, the OTC Insulation Multimeter 3990 is designed for portability. Its lightweight design and compact size make it convenient for technicians to carry around on job sites. This portability is especially beneficial for electricians who need to conduct on-site diagnostics in various locations, allowing them to perform insulation tests efficiently without being burdened by heavy equipment. -
問題:
Can the OTC Multimeter be used for non-destructive testing?
Answer: Yes, the OTC Insulation Multimeter 3990 is suitable for non-destructive testing of insulation in electrical systems. This capability allows users to assess insulation effectiveness without damaging the components being tested. Electricians can use this feature to inspect sensitive equipment, ensuring they remain operational without compromising their integrity during testing. -
問題:
What safety features are included in the OTC 3990?
Answer: The OTC Insulation Multimeter 3990 includes several safety features, such as overload protection and a clear, insulated casing. These features protect both the user and the instrument during high-voltage tests, reducing the risk of accidental shocks. For example, when performing insulation tests on high-voltage lines, these safety measures offer peace of mind, enabling technicians to focus on obtaining accurate readings without undue concern for their safety. -
問題:
Where can I buy OTC Insulation Multimeter, 1000 AC Volts (3990) in Taiwan?
Answer: You can purchase the OTC Insulation Multimeter, 1000 AC Volts (3990), from Ubuy in Taiwan. Ubuy offers a seamless shopping experience, along with various purchasing options that cater to your needs, ensuring the product reaches you efficiently. With its comprehensive catalog, Ubuy is a reliable source for acquiring quality tools like the OTC multimeter.
OTC Multi Testers Editorial Review
未找到編輯評論
Customer Reviews & Ratings
15 客戶評價
-
5 星
73%
-
4 星
16%
-
3 星
11%
-
2 星
0%
-
1 星
0%
評論這個產品
和其他客戶分享您的想法
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
安全結帳
Global Delivery
Easy Returns
Genuine Products
Product Price History
重要資訊
- 限制：對於國際運輸的產品，請注意任何製造商保修可能無效；製造商服務選項可能不可用；產品手冊、說明和安全警告可能不是目的地國家的語言；產品（及隨附材料）的設計可能不符合目的地國家的標準、規範和標籤要求；並且產品可能不符合目的地國家的電壓和其他電氣標準（如果適用，需要使用適配器或轉換器）。收件人有責任確保產品可以合法進口到目的地國家。當從Ubuy或其關聯公司訂購時，收件人是記錄在案的進口人，並且必須遵守目的地國家的所有法律和法規。
- 由於Ubuy是一個全球搜索引擎，因此並非Ubuy上列出的所有產品都在出售。產品受出口/貿易法規的約束。
TWD 19669
立即訂購並活動它 Sunday, 九月 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
庫存僅剩 1 件商品。
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
特色和優勢
- Output test voltages of 50/100/250/500/1000VDC
- Measure insulation resistance from 0.1 megohm to 600 megohm
- Backlit LCD display for easy reading
- Maximum AC amps of 600mA and maximum DC amps of 600mA
- Maximum AC volts of 1000 and maximum DC volts of 1000
- Includes features like auto power off, diode test, auto ranging, and data logging
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.