FNIRSI 138 Pro Handheld Digital Oscilloscope

Key Features:

• Single-Channel Operation:
  • Designed to capture and analyze waveforms for a variety of electronics and circuit troubleshooting tasks.
• High Sampling Rate:
  • Real-time Sampling Rate: Up to 200MSa/s, ensuring accurate waveform capture and smooth signal details.
• Bandwidth:
  • Analog Bandwidth: 30MHz, suitable for analyzing most common signals.
• 2.4-inch Color LCD Display:
  • Resolution: 320x240 pixels, providing a clear and bright display of waveforms for easy viewing.
• Multiple Trigger Modes:
  • It supports auto, normal, and single trigger modes, allowing flexible signal capture in different testing scenarios.
• Waveform Storage:
  • Save up to 2500 waveform sets for review and analysis, making it easier to revisit and compare data.
• Automatic Measurements:
  • Measures key parameters such as voltage, frequency, period, duty cycle, and more with automatic precision.
• Built-in Battery:
  • Equipped with a rechargeable 1250mAh lithium battery, offering up to 4 hours of continuous use on a single charge.
• Compact and Portable:
  • The lightweight design makes it convenient for on-the-go testing in the field or in tight spaces.

Specifications:

• Channels: 1 (single-channel)
• Sampling Rate: 200MSa/s
• Vertical Sensitivity: 10mV/div to 5V/div
• Horizontal Time Base: 50ns/div to 10s/div
• Display: 2.4-inch color LCD (320x240 resolution)
• Trigger Modes: Auto, Normal, Single
• Waveform Storage: Supports up to 2500 sets of data
• Dual Power Supply: Operates via USB direct power (5-6V) or a 1000mAh lithium battery (4-9V)
• Battery Life: Up to 4 hours
• Charging Interface: USB Type-C
• Dimensions: 65mm x 60mm x 18mm

Additional Features:

• FFT Analysis:
  • Provides frequency domain analysis, which is useful for identifying signal noise and harmonics.
• Automatic Power Off:
  • Conserves battery life by turning off the oscilloscope after a period of inactivity.
• One-Button Operation:
  • Simple control with minimal buttons for intuitive use.
• Adjustable Cursor Measurements:
  • Enables precise manual voltage and time measurements for detailed signal analysis.

Applications:

• Circuit Debugging:
  • Ideal for troubleshooting and testing electronic circuits in real time.
• Field Testing:
  • Portable and durable, making it ideal for fieldwork and on-site diagnostics.
• DIY and Hobby Projects:
  • Perfect for hobbyists working on small electronics projects, offering easy and reliable signal analysis.
• Education:
  • A valuable tool for teaching waveform analysis and signal testing in labs and classrooms.

Package Contents:

• 1 * FNIRSI 138 Pro Handheld Digital Oscilloscope
• 1 * Probe Cable
• 1 * USB Charging Cable (Type-C)
• 1 * User Manual