FNIRSI DSO-153

FNIRSI DSO-153 is a compact single-channel digital oscilloscope with an integrated DDS function signal generator, designed for electronics repair, education, laboratory measurements and everyday diagnostics. Key advantages of this model include a real-time sampling rate of up to 5 MSa/s, 1 MHz analog bandwidth, an integrated DDS function generator with 14 output waveform types, one-touch AUTO setup, input protection up to ±400 V, and a compact portable design with a built-in rechargeable battery. The oscilloscope enables quick basic signal measurements while also generating test signals without requiring additional laboratory equipment.

Functions

• Single-channel digital oscilloscope
• 1 MHz analog bandwidth
• Real-time sampling rate up to 5 MSa/s
• Integrated DDS function signal generator
• 14 output waveform types
• Maximum function generator frequency: 10 kHz
• Adjustable output frequency
• Adjustable signal amplitude
• Adjustable duty cycle
• One-touch AUTO setup
• AC and DC input coupling
• Rising and falling edge trigger
• Auto, Normal and Single trigger modes
• Waveform display for periodic analog and non-periodic digital signals
• USB Type-C interface
• Built-in 1000 mAh lithium battery
• USB Type-C charging
• Compact portable design

Technical Specifications

• Model: DSO-153
• Oscilloscope channels: 1
• Analog bandwidth: 1 MHz
• Maximum real-time sampling rate: 5 MSa/s
• Vertical sensitivity: 10 mV/div to 10 V/div
• Time base: 500 ns/div to 20 s/div
• Input voltage range:
  • 1× probe: ±40 V (80 Vpp)
  • 10× probe: ±400 V (800 Vpp)
• Trigger type: Rising and falling edge
• Trigger modes: Auto, Normal, Single
• Input coupling: AC / DC
• Display: 2.8-inch TFT LCD
• Display resolution: 320 × 240 pixels
• Function generator frequency range: 0–10 kHz
• Number of output waveform types: 14
• Output amplitude: 0.1–3.3 V
• Square wave and sawtooth wave duty cycle: 0–100%
• Battery capacity: 1000 mAh
• Battery life: Up to 4 hours
• Charging: USB Type-C (5 V / 1 A)
• Supported languages: 8
• Operating temperature: 0 °C to +40 °C
• Dimensions: 99 × 68.3 × 19.5 mm
• Weight: Approximately 100 g

Package Contents

• FNIRSI DSO-153
• Alligator clip probe
• USB Type-C cable
• Lanyard
• User manual