The Fluke PM 3390A Autoranging CombiScope is a dual-channel, 200 MHz instrument that merges oscilloscope and digital multimeter capabilities into a single benchtop unit. Engineered for field technicians and service engineers, it delivers real-time waveform capture with digital storage, automatic setup, and precision numerical measurements—eliminating the need to carry separate instruments.
Technical Specifications
• Bandwidth: 200 MHz
• Channels: 2 analog inputs
• Sample Rate (Max): 0.2 GS/s
• Memory Depth: 32K samples (expandable)
• Timebase: Continuously variable down to 1 µs/div in both analog and digital storage modes
• Input Impedance: 1 MΩ ± 1% // 25 pF ± 2 pF
• Maximum Input Voltage: ±150 VRMS (1 MΩ position, CAT II)
• Measurement Accuracy: ±1% of full scale within central 8 horizontal and 6 vertical divisions (magnification ×1)
– Key Features
• Dual Operating Modes: Button-selectable analog or digital storage oscilloscope operation optimized for different signal conditions
• Auto Setup: Automatically configures channel parameters, timebase settings, and trigger conditions—including external trigger input
• Advanced Triggering: Edge and slope selection; pattern/glitch detection up to 150 MHz; 2 ns minimum present time detection
• Cursor Measurements: Horizontal and vertical cursors for manual waveform analysis
• Measurement Functions: dV, V1-to-ground, V2-to-ground, voltage ratio; dT, frequency (1/dT in Hz), phase ratio
• Integrated DMM: Combined multimeter functionality within single chassis
– Typical Applications
Field service and troubleshooting of analog and digital circuits; signal integrity verification; equipment commissioning and maintenance; educational laboratory use.
– Compatibility & Integration
• RS232 Interface: External computer control
• GPIB/IEEE-488.2: Automatic test equipment integration and remote command operation
