Keysight U1282A True RMS Multimeter
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Precision, durability, and intelligence — the Keysight U1282A delivers laboratory-grade accuracy with rugged field reliability and smart measurement features.
Overview
The Keysight U1282A True RMS Multimeter is a high-performance handheld instrument designed for engineers and technicians who need accuracy, resilience, and smart diagnostics in one package. With its CAT IV 600 V / CAT III 1000 V safety ratings, IP67 waterproof construction, and 30 000-count backlit display, it’s built to handle the harshest industrial environments. Keysight’s Smart Ohm function automatically compensates for lead resistance, while its dual-display trend-chart mode and data-logging capability make long-term measurements effortless. Whether on the bench or in the field, the U1282A stands out for its blend of precision, durability, and user-friendly design, earning a reputation as one of the most advanced multimeters in its class.
Key Features & Specs
- 30 000-count dual display with high-contrast backlight for precise resolution in both AC and DC ranges.
- True RMS accuracy with 0.025 % DC voltage basic accuracy for dependable laboratory-grade readings.
- IP67 waterproof and dustproof housing — fully sealed against moisture and debris, drop-tested to 3 m.
- Smart Ohm and Lo-Z modes to automatically remove lead resistance and ghost voltages in noisy circuits.
- Built-in data-logging & trend-chart display capable of recording 200 readings with timestamps for field diagnostics.
- CAT IV 600 V / CAT III 1000 V safety rating meeting IEC 61010 standards for industrial and power-distribution work.
Pros
- Exceptional measurement accuracy rivaling benchtop meters.
- Fully waterproof and ruggedised — ideal for outdoor or plant-floor use.
- Fast auto-range response and clear dual display.
- Data-logging and USB connectivity for traceability.
- Keysight reliability, calibration support, and long-term service availability.
Cons
- Larger and heavier than compact field meters.
- Premium price compared to Fluke 117 or Brymen BM235.
- Battery replacement requires removal of the rubber holster.
- Bluetooth/remote logging sold separately.
Who It’s For
- Professional engineers who need lab-grade accuracy in a portable form.
- Industrial maintenance technicians working in demanding or outdoor environments.
- Calibration and test engineers requiring traceable, high-resolution readings.
- Power electronics specialists measuring high-energy or variable-frequency systems.
- Advanced hobbyists and educators who value precision, safety, and rugged design.
Verdict
The Keysight U1282A is one of the most complete handheld multimeters ever produced.
It combines bench-level accuracy with industrial toughness and modern smart-measurement features.
If you work in environments where reliability and traceable data matter more than size or price, the U1282A is a premium instrument that will likely outlast most of your other gear.