Fluke 190-502-III Color ScopeMeter, 500 MHz, 2 channels

The Fluke 190-502-III Color ScopeMeter is a two-channel, 500 MHz portable oscilloscope engineered for field service, maintenance, and troubleshooting of electronic systems. It combines high sampling rates up to 5 GS/s, deep capture memory, and integrated DMM functions with intelligent triggering and paperless recording capabilities, delivering precision measurements in harsh environments.

Technical Specifications

• Bandwidth: 500 MHz


• Sampling Rate: Up to 5 GS/s (single channel); 2.5 GS/s (dual channel)


• Rise Time: 0.7 ns


• Temporal Resolution: 200 ps


• Vertical Resolution: 8-bit


• Memory: 10,000 points per trace (Scope mode); 30,000 points per channel (ScopeRecord mode)


• Vertical Sensitivity: 2 mV/div to 100 V/div with variable attenuation


• Input Impedance: 1 MΩ ± 1% // 14 pF ± 2 pF


• Bandwidth Limiter: Selectable at 20 kHz, 20 MHz, or full bandwidth


• Maximum Input Voltage: 1000 V


• Safety Rating: CAT III 1000 V / CAT IV 600 V


• Input Coupling: AC or DC with ground level indicator


• DMM: 5000 count; measures Vdc, Vac, Vac+dc, resistance, continuity, diode test

Key Features

• Isolated dual inputs with floating configuration; supports up to four independent isolated channels


• Connect-and-View triggering for automatic capture of fast, slow, and complex signals


• TrendPlot paperless recorder captures minimum, maximum, and average values over 11 days with time and date stamps


• ScopeRecord mode detects intermittent events and glitches as short as 8 ns


• FFT analysis for frequency spectrum examination


• Automatic replay of up to 100 captured screens


• Large color display; IP51 ingress protection


• Battery runtime: Up to 7 hours on BP291 Li-Ion pack with quick-swap access door

Typical Applications Field troubleshooting of power electronics, embedded systems, telecommunications equipment, and industrial control circuits where measurement isolation, long-duration monitoring, and intermittent fault capture are required.

Compatibility & Integration USB and Wi-Fi connectivity enable waveform and screen capture transfer to PC. Two isolated USB ports support direct archiving to external memory devices. Wi-Fi dongle included.