Fluke 845AR High Impedance Voltmeter - Null Detector, Tested and Working for Sale

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Fluke 845AR High Impedance Voltmeter - Null Detector, Tested and Working For Sale

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Fluke 845AR High Impedance Voltmeter - Null Detector, Tested and Working:
$833.00

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Fluke 845AR High Impedance Voltmeter / Null Detector – Basic Tested – Very Good Cosmetics

Discover the art of precision measurement with this classic Fluke 845AR High Impedance Voltmeter / Null Detector! Designed for sensitive DC voltage measurements and detecting the balance point in precision comparison circuits, this professional laboratory instrument combines microvolt-level sensitivity with a traditional analog display. Its rack-mount format and classic Fluke engineering make it an appealing addition to a metrology bench, vintage test-equipment collection, or calibration-equipment setup. This example appears to function as designed during basic testing and presents in very good overall cosmetic condition.

Pair With Divider For Maximum Performance

Fluke 720A Kelvin-Varley Divider
Fluke 750A Reference Divider

High-Level Specifications

Manufacturer: Fluke
Model: 845AR High Impedance Voltmeter / Null Detector
Functions: Sensitive DC voltage measurement and null detection
Measurement ranges: 19 ranges from 1 µV to 1000 V DC, full scale
Range progression: 1, 3, 10 sequence
High-input-impedance design for low-loading measurement applications
Analog meter indication for observing polarity, balance, and small voltage changes
Recorder output isolated from the measurement input
AC-line-powered rack-mount instrument
Designed for laboratory comparison, calibration, and precision DC measurement work

Specifications describe published model capabilities only. They do not establish the present accuracy, input impedance, sensitivity, isolation, or calibration of this individual instrument. The published range is not a statement that every range or voltage level has been tested.

Condition / Testing

Basic testing completed.
Appears to function as designed during the limited testing performed.
No certificate of calibration is included.
Used condition with normal marks, scuffs, and scratches from laboratory use.
Very good cosmetic condition overall. Please see photos for the actual appearance and condition.

Basic testing does not constitute complete performance verification or calibration. Accuracy across all ranges, zero stability, input isolation, recorder-output performance, and high-voltage operation have not been established by the testing described. Calibration status is unknown, and this instrument is not represented as currently calibrated or certified.

Included / Not Included

Fluke 845AR High Impedance Voltmeter / Null Detector only.
No accessories, no cables, no probes, and no manuals are included.
No certificate of calibration is included.

Sale Terms

Sold AS-IS; no warranty or returns. No guarantee of calibration, measurement accuracy, or performance beyond the limited observations described above is provided. Please review the complete description and all photos carefully before purchasing.

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