Fluke 123B/NA Wireless ScopeMeter - Fluke-123B-NA

The Fluke 123B Industrial ScopeMeter is a 20 MHz, 2-channel, 40 MS/s hand-held oscilloscope that combines field-portable oscilloscope measurement with a True-RMS digital multimeter in a single rugged instrument. Industrial ScopeMeters eliminate the need for a bench oscilloscope on electrical maintenance calls, technicians can observe waveforms, trigger on events, measure voltage, current, and frequency, and document results using Fluke Connect wireless connectivity without returning to a test bench or lab. For A&P mechanics, MRO technicians, and industrial electricians who encounter waveform-level problems that a standard multimeter cannot diagnose, the ScopeMeter brings oscilloscope capability to the field.

Key Features

• 20 MHz Bandwidth, 2-Channel: 20 MHz bandwidth captures electrical waveforms from DC through radio-frequency harmonics, covering motor drive output, power supply ripple, control signal timing, and serial communication signals. The 2-channel configuration enables simultaneous comparison of two signals, supply voltage and load current, two-phase voltage comparison, or trigger-and-response timing on control systems.
• 40 MS/s Sample Rate: At 40 megasamples per second, the ScopeMeter captures waveform detail at the sub-microsecond level, sufficient for power electronics switching transients, motor drive output analysis, and control signal timing verification.
• True-RMS Multimeter Functions: Full multimeter capability (voltage, current, resistance, continuity, frequency, and capacitance) built into the same instrument as the scope, no instrument switching between waveform observation and numeric measurement modes.
• Industrial Hand-Held Design: IP51 sealing and ruggedized housing for field service environments where bench oscilloscopes cannot go, panel interiors, equipment rooms, and outdoor installations.
• Fluke Connect Wireless: Transmits measurement data and waveform captures to the Fluke Connect mobile app for remote monitoring, cloud storage, and ShareLive real-time collaboration with remote engineering experts.
• Dual Input Measurement: Simultaneous oscilloscope channels for comparative measurements, phase-to-phase voltage, current vs. voltage, and trigger-response timing.
• Waveform Documentation: Screen captures and waveform data stored and transmitted via Fluke Connect for maintenance records and remote technical collaboration.

Technical Specifications Overview

The 123B provides 20 MHz scope bandwidth with 2 channels and 40 MS/s sampling, combined with full True-RMS multimeter functions. It is IP51 rated for protection against dust and dripping water. The 123B (20 MHz) is suitable for power electronics and industrial control signals; the 124B and 125B (both 40 MHz) extend to higher-frequency signals in motor drives and communication systems. The 125B uniquely adds Bus Health analysis for serial network diagnostics.

Industrial & Aviation Applications

• Motor drive and VFD waveform analysis, observe drive output voltage and current waveforms, identify harmonic distortion, and verify modulation quality
• Aircraft avionics and electrical system signal tracing, observe control signals, ARINC bus waveforms, and power quality on aircraft bus systems
• Industrial control system signal verification, PLC output timing, sensor signal integrity, and actuator drive waveform confirmation
• Power supply output waveform measurement, ripple, switching transients, and regulation response characterization on switching power supplies

Fluke 123B Calibration

PJi operates an ISO/IEC 17025 Accredited Calibration Lab and provides NIST-traceable calibration for the Fluke 123B at the time of purchase, add calibration to your order at checkout. Our calibration documentation satisfies FAA Part 145 tool control requirements, ISO 9001 quality system records, and AS9100 calibration traceability requirements. For repair stations and quality-certified facilities that require documented traceability, PJi is the one-stop source: the instrument and the calibration certificate in a single transaction. Calibration-only companies cannot sell you the instrument. Major retailers cannot calibrate it. PJi does both.

Why Buy from Pilot John International

Pilot John International is an authorized Fluke distributor with specialized expertise serving aviation maintenance, FAA Part 145 repair stations, and industrial MRO facilities. Unlike Amazon, Grainger, or Test Equipment Depot, which sell Fluke instruments but offer zero calibration services, PJi's in-house ISO/IEC 17025 Accredited Calibration Lab calibrates your instrument at purchase. We stock the full Fluke catalog, ship same-business-day on in-stock items, and our technical staff understands the demands of aviation and industrial electrical maintenance.