Everything in one hand
Replace a bench oscilloscope, a separate multimeter, and a signal generator with a single portable unit. Great for repair work, circuit debugging, and DIY projects.
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- 14-day easy returns
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Why customers love it
One tool, professional-grade diagnostics in your hand
The FNIRSI 2C53P packs a dual-channel oscilloscope, multimeter, and signal generator into one touchscreen handheld, ready for bench and field work alike.
- Dual-channel 50 MHz oscilloscope with 250 MS/s real-time sampling for accurate waveform analysis
- Full-featured multimeter measures AC/DC voltage, current, resistance, capacitance, and temperature
- Built-in DDS signal generator delivers sine, square, sawtooth, and other waveforms up to 10 MHz
- 4.3-inch IPS touchscreen with adjustable brightness for clear viewing anywhere
- Rechargeable 4000 mAh battery supports long-lasting, portable operation
- Comprehensive trigger modes (auto, normal, single) and math functions including FFT for advanced analysis
Why you'll reach for it daily
Accurate waveform analysis
Dual-channel 50 MHz bandwidth with a 250 MS/s real-time sampling rate captures the detail you need for reliable readings and diagnostics.
Test signals on demand
The built-in DDS generator produces sine, square, sawtooth, and other waveforms up to 10 MHz, so you can stimulate circuits without extra gear.
Built to stay in the field
The rechargeable 4000 mAh battery keeps the unit running during long sessions, and the 4.3-inch IPS touchscreen stays readable in varied lighting.
Specs
The details that matter
Built to last outdoors, season after season.
- Product Type
- 3-in-1 handheld oscilloscope, multimeter, and signal generator
- Model
- FNIRSI 2C53P
- Oscilloscope Bandwidth
- 50 MHz
- Sampling Rate
- 250 MS/s
- Signal Generator Frequency
- Up to 10 MHz
- Display
- 4.3-inch IPS touchscreen with adjustable brightness
- Power
- Rechargeable 4000 mAh battery
- Measurement Functions
- AC/DC voltage, current, resistance, capacitance, temperature
- Trigger Modes
- Auto, normal, single
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What functions are combined in the FNIRSI 2C53P?
The FNIRSI 2C53P is a 3-in-1 handheld device that combines a dual-channel oscilloscope, a digital multimeter, and a DDS signal generator into a single portable unit.
What is the oscilloscope bandwidth and sampling rate?
It offers a dual-channel 50 MHz oscilloscope with a 250 MS/s real-time sampling rate for accurate waveform analysis.
What can the integrated multimeter measure?
The integrated digital multimeter measures AC/DC voltage and current, resistance, capacitance, and temperature.
What waveforms does the signal generator produce and up to what frequency?
The built-in DDS signal generator produces sine, square, sawtooth, and other waveforms up to 10 MHz.
How long does the battery last for portable use?
The rechargeable 4000 mAh battery provides long-lasting, portable operation, letting you work away from a wall outlet for extended periods.
What type of display does it use?
It features a 4.3-inch IPS touchscreen with adjustable brightness for clear viewing in any environment.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.