The Fluke 845AB High Impedance Voltmeter – Null Detector is a versatile instrument designed for precision voltage measurements and null detection in sensitive electronic circuits. Featuring high input impedance, it minimizes circuit loading, ensuring accurate voltage readings. The null detector function allows for precise comparison of voltages, making it suitable for calibration and balancing applications. Its robust construction and reliable performance make it an essential tool for electronics technicians, engineers, and calibration professionals.

Fluke 845AB High Impedance Voltmeter – Null Detector
The Fluke 845AB is a high impedance voltmeter and null detector, ideal for precision voltage measurements and sensitive circuit testing. It combines accurate voltage readings with null detection capabilities.
Product Condition & Availability
Fluke 845AB High Impedance Voltmeter – Null Detector 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.
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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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