Description

FNIRSI 2C53T 50 MHz Handheld 3-in-1 Oscilloscope, Multimeter & Signal Generator

• Upgraded performance The 2C53T is the enhanced version of the 2C23T, offering a wider measuring range plus new features including math operations, cursor measurement, persistence mode, and XY mode.

• Dual-channel oscilloscope 50 MHz bandwidth, 250 MSa/s sampling rate, 1 Kpts record depth, automatic measurements, max input voltage 400 V, vertical sensitivity 10 mV/div10 V/div, with waveform image storage and export support.

• Precision multimeter 4.5-digit, 20,000-count accuracy for AC voltage (0750 V), DC voltage (0999.9 V), AC/DC current (09.999 A), resistance (019.99 M), capacitance (099.99 mF) and continuity testing. Suitable for professionals, educators, and electronics enthusiasts.

• Built-in signal generator Output frequency up to 50 kHz with 1 Hz step adjustment, supporting 13 waveform types.

• Easy save & compare One-click save and filter functions. Connect via USB-C to upload images to a PC. Compare reference and live waveforms on the same screen for quick analysis.

• Portable, robust design FPGA + MCU + ADC architecture with built-in high-voltage protection, 2.8-inch LCD display, 3000 mAh Li-ion battery (up to 6 hours standby), and USB-C charging (5 V/1 A).

FNIRSI-2C53T is a versatile and highly practical three-in-one dual-channel digital oscilloscope launched by FNIRSI, designed for professionals in the maintenance and research industries. This device combines the functionalities of an oscilloscope, a multimeter, and a signal generator. The oscilloscope uses FPGA + ARM + ADC hardware architecture, featuring a 250MS/s sampling rate, a 50MHz analog bandwidth, and an integrated high-voltage protection module that supports peak voltage measurements up to 400V. It also supports waveform screenshot saving and viewing for secondary analysis.
The multimeter function offers 4.5 digits with 19999 counts true RMS, supporting AC/DC voltage and current measurements, as well as capacitance, resistance, diode, and continuity measurements, making it an ideal multifunctional instrument for professionals, factories, schools, enthusiasts, or home use.
The built-in DDS function signal generator can output 13 types of function signals, with a maximum output frequency of 50KHz and a step size of 1Hz. The output frequency, amplitude, and duty cycle are adjustable. It features a 2.8-inch 320*240 resolution high-definition LCD screen and a built-in 3000mAh rechargeable lithium battery with a standby time of up to 6 hours. Its compact size provides users with more powerful practical functions and excellent portability.

Basic Parameters:

Brand FNIRSI Model 2C53T Display Screen 2.8 inch HD color screen Resolution ratio 320*240 Charging Specifications TYPE-C (5V/1A) Battery 3000mAh lithium battery Support Functions Oscilloscope, Signal generator, Multimeter (view functional parameters for details) Standby Time 6h (laboratory theoretical maximum) Language Chinese and English Product Volume 167*89*35mm Weight 300g

Oscilloscope Parameters:

Channel Dual channel Sample Rate 250MS/s Analog Bandwidth 50M(dual channel independent 50M) Storage Depth 1Kpts Impedance 1M Time Base Range 10ns-20s Vertical Sensitivity 10mV/div-10V/div (x1) Maximum Measured Voltage 400V Trigger Mode AUTO/Normal/Single Trigger Type Rising edge, Falling edge Display Mode Y-T/Rolling/X-Y Coupling Method AC/DC Persistence OFF, 500ms, 1s, Math 8 Basic Operations + FFT Waveform Screenshot Save Supported Export Waveform Image Supported Cursor Measurement Supported Infinite Afterglow Supported

Function Signal Generator Parameters:

13 Signal Waveforms Output waveform: sine wave, rectangular wave, sawtooth wave, half wave, full wave, positive step wave, reverse step wave, exponential rise, exponential fall, DC, multi-audio, Sinker pulse, Lorentz wave Output Frequency 0-50KHz Output Amplitude 0-3V Output Duty Cycle 0-100%

Multimeter Parameters:

DC Voltage 1.9999V / 19.999V / 199.99V / 1000V AC Voltage 1.9999V / 19.999V / 199.99V / 750.0V DC Current 19.999mA / 199.99mA / 1.9999A / 9.999A AC Current 19.999mA / 199.99mA / 1.9999A / 9.999A Resistance 19.999M / 1.9999M / 199.99K / 19.999K
1.9999K / 199.99 Capacitance 999.9uF / 99.99uF / 9.999uF / 999.9nF / 99.99nF / 9.999nF / 9.999mF / 99.99mF Temperature (-55~1300) / (-67~2372) Diode YES Continuity Test YES