Fluke 114-NIST Electrical True RMS Multimeter

The Fluke 114-NIST is a compact digital multimeter built for electrical troubleshooting and preventive maintenance in commercial and industrial settings. True RMS measurement capabilities deliver accurate AC voltage and current readings across non-sinusoidal waveforms. NIST-traceable calibration certification ensures traceability to the National Institute of Standards and Technology, critical for regulated test environments and documented measurement integrity.

Technical Specifications

Display & Measurement Resolution

• 6000-count digital display


• AC voltage: 600.0 V range; ±(1.0% + 3) accuracy; 0.1 V to 0.1 mV resolution


• DC voltage: 600.0 V range; ±(0.5% + 3) accuracy; 0.1 V to 0.1 mV resolution


• AC current: 10.00 A range; ±(1.0% + 3) accuracy; 0.01 A to 1 mA resolution


• DC current: 10.00 A range; ±(1.0% + 3) accuracy; 0.01 A to 1 mA resolution


• Resistance: 60.00 MΩ range; ±(1.0% + 3) accuracy; 0.01 Ω to 1 kΩ resolution


• Capacitance: 100.0 nF to 1000 µF range; ±(2.0% + 5) accuracy; 0.1 nF to 1 µF resolution


• Frequency: 50.00 Hz to 50.00 kHz range; ±(0.5% + 1) accuracy; 0.01 Hz to 0.01 kHz resolution

Key Features

• True RMS measurement for AC voltage and current


• Continuity testing with audible beeper


• Diode test function


• Data hold, min/max/average recording


• Auto power-off


• 9V alkaline battery (NEDA 1604A or IEC 6LR61); ~400 hours runtime


• Dimensions: 144 mm (H) × 70.5 mm (W) × 28 mm (D); ~200 g without holster


• Durable plastic housing with drop-test design


• IP-rated dust and water ingress protection

Typical Applications Electricians, field technicians, and service engineers working with AC/DC circuits, motor circuits, and industrial control systems where True RMS accuracy and calibration traceability are required.

Compatibility & Integration Standard 4 mm banana jack inputs; compatible with conventional multimeter test leads and probes.