FNIRSI Digital Oscilloscope 3in1
The FNIRSI Digital Oscilloscope 3in1 is a multifunctional measuring tool that combines a digital oscilloscope, multimeter, and signal generator in one practical device. Designed for technicians, electronics hobbyists, and educational needs, this tool offers high accuracy with a sharp and easy-to-read color digital display.
Product Features
Precise electronic signal analysis
Equipped with dual channels to monitor two signals simultaneously. A 50 MHz bandwidth and a sampling rate of up to 250 MS/s allow for detailed and accurate waveform display for various electronic testing needs.
Complete multimeter function
Can be used to measure AC/DC voltage, current, resistance, capacitance, continuity, and diodes in one device without the need for additional tools.
Flexible signal generator
Supports 13 types of waveforms, such as sine, square, triangle, and even DC signals. Frequency can be adjusted from 0–50 KHz with an amplitude of 0–3 V, suitable for circuit simulation and component testing.
HD color LCD screen
Uses a 2.8-inch color screen with HD quality. The display remains clear and easy to read, even when used outdoors.
Long-lasting and portable battery
Uses a 3000 mAh lithium battery that can be used for up to ±8 hours. The compact design and USB Type-C charging make it easy to use anywhere.
Product Contents
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1 x FNIRSI Digital Oscilloscope 3in1 Multimeter Signal Generator 2 Channel (2C53T)
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1 x BNC to Alligator Clip
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1 x Multimeter Lead
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2 x P6100 Probes
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2 x Instek Probes
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1 x Voltage Probe
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2 x Probe Covers
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1 x O-Ring Set
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1 x USB Type-C Cable
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1 x Storage Case
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1 x User Manual
Product Specifications
General Specifications
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Screen size: 2.8 inches
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Battery type: Lithium
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Battery capacity: 3000 mAh
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Unit dimensions: 16.7 x 8.9 x 3.5 cm
Oscilloscope
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Channel: Dual Channel
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Sampling rate: 250 MS/s
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Bandwidth: 50 MHz
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Input impedance: 1 MΩ
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Vertical sensitivity: 10 mV – 10 V
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Time base range: 10 ns – 20 s
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Maximum measurable voltage: ±400 V
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Storage depth: 1 kpts
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Display modes: XY / YT / Scroll
Multimeter
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Maximum count: 19999
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DC voltage: up to 1000 V
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AC voltage: up to 750 V
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DC & AC current: up to 9.999 A
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Resistance: up to 19.999 MΩ
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Capacitance: up to 99.99 mF
Signal Generator
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Number of waveforms: 13
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Frequency: 0 – 50 KHz
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Square wave duty cycle: 0 – 100%
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Amplitude: 0 – 3 V
Waveform Types
Sine Wave, Rectangular Wave, Sawtooth Wave, Half Wave, Full Wave, Step Wave, Anti Step Wave, Exponential Rise, Exponential Drop, DC Signal, Multi Tone, Sink Pulse, Lorentz Wave.
















