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# FNIRSI 2C53T 50MHz 250MS/s Handheld 3in1 Oscilloscope Multimeter Signal Generator

**Brand:** FNIRSI
**SKU:** 2C53T
**Price:** Available via Amazon — https://www.amazon.com.au/dp/B0D6VX6BFL/?tag=tech2have-22
**Category:** Oscilloscopes (https://level-floor.bnr.la/store/c/test-measurement-oscilloscopes.md)
**URL:** https://level-floor.bnr.la/store/products/fnirsi-2c53t-50mhz-250mss-handheld-3in1-oscilloscope/

## Description

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
1MΩ
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
19.999MΩ / 1.9999MΩ / 199.99KΩ / 19.999KΩ
1.9999KΩ / 199.99Ω
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

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