The EXTECH 382275 is a versatile tool designed for comprehensive electrical testing. It combines the functionalities of an insulation resistance tester and a digital multimeter. This meter can measure insulation resistance up to 2000MOhms, ensuring the safety and integrity of electrical insulation. Additionally, it measures AC and DC voltage up to 600V, AC and DC current, resistance, capacitance, and frequency. The device features a large LCD display with a backlight for easy reading in dimly lit environments. It also includes a data hold function to freeze the displayed reading for convenient recording. The EXTECH 382275 is built with safety features such as overload protection and is CAT III rated for 600V, making it suitable for a wide range of electrical testing applications.
Extech 382275 600W DC Power Supply
- Repair Support & OEM Spare Parts
- University and Research Discounts
- 100% Verified & Tested Equipment
- Rental Units Available
The EXTECH 382275 is a combination meter that offers both insulation resistance testing and multimeter functions in a single, handheld device. It measures insulation resistance up to 2000MOhms and AC/DC voltage up to 600V. It is ideal for electrical contractors, maintenance technicians, and field service professionals.
$425.00
In stock
In stock

FedEx, UPS, USPS
Shipping world-wide available:
DHS, FedEx International
Product Condition & Availability
Extech 382275 600W DC Power Supply is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.


























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