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Yellow handheld digital multimeter model 287 with LCD display and rotary selector switch

Fluke

Fluke 287 Logging Multimeter 50000 counts 1000V CAT III measurement tool

SKU CH-3JZA-1PV4N MPN 287

A logging multimeter with 50000-count resolution, 1000 V CAT III safety rating and Trend Capture for anomaly detection

  • Analog/DigitalDigital
  • TypeLogging Multimeter
  • CAT III 1000 V safety rating protects you during high-energy measurements
  • 50 000-count display resolves small signal changes with high precision
  • ±0.025 % basic DC voltage accuracy delivers laboratory-grade confidence
  • Trend Capture plots measurements as a single line to reveal anomalies
  • 10 A AC current range covers demanding industrial circuits

Logging multimeter with trend capture

The Fluke 287 is a digital logging multimeter that records measurements over time and plots them as a single trend line to help detect anomalies. It offers 50000 counts resolution with true-RMS AC measurement for accurate readings on non-linear loads. The instrument is rated CAT III 1000V and CAT IV 600V for industrial and utility environments. Basic DC voltage accuracy is ±0.025% plus 2 digits.

Suited for technicians who need recorded trends

This meter suits electrical technicians and field engineers who must capture intermittent faults or monitor signal drift without a separate data logger. The on-board trend capture plots measurements directly on the display for immediate analysis. Buyers who only need basic voltage, current and continuity checks without logging or graphical trending should consider a simpler model.

50000-count resolution and CAT III 1000V rating

The 50000-count display and CAT III 1000V safety rating determine whether this multimeter meets the resolution and over-voltage protection required for the intended measurement category. Verify that the installation’s transient voltage level matches the CAT III 1000V / CAT IV 600V rating before use.

Highlights

  • CAT III 1000 V safety rating protects you during high-energy measurements
  • 50 000-count display resolves small signal changes with high precision
  • ±0.025 % basic DC voltage accuracy delivers laboratory-grade confidence
  • Trend Capture plots measurements as a single line to reveal anomalies
  • 10 A AC current range covers demanding industrial circuits

Specifications

BrandFLUKE
Model287
Analog/DigitalDigital
TypeLogging Multimeter

Questions about this item

Should I choose the 50000-count version for finer readings?

The 50000-count display on this model gives you greater resolution than lower-count meters, so small voltage or current changes are easier to spot.

What does the 1000 V CAT III rating mean when I am measuring live circuits?

It means the meter is rated for 1000 V on CAT III installations and 600 V on CAT IV, protecting you against transient overvoltages in those environments.

How does the TRMS input affect AC accuracy on non-sinusoidal waveforms?

True-RMS sensing measures the heating value of any waveform, and basic AC voltage accuracy is ±0.4 % on this instrument.

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