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FNIRSI-2C23T & 2C53T are advanced 3-in-1 dual-channel digital oscilloscopes launched by FNIRSI, specially designed for professionals in maintenance, development, education, and home use. Compact yet powerful, both models integrate three essential functions: oscilloscope, multimeter, and signal generator—making them ideal for versatile testing needs.
Both devices adopt a FPGA+MCU/ARM+ADC architecture with built-in high-voltage protection (±400V peak).
2C23T features a 50MS/s sampling rate and 10MHz bandwidth.
2C53T upgrades to a 250MS/s sampling rate and 50MHz bandwidth, providing higher precision and faster signal capture.
The multimeter in 2C23T offers 4-digit 10000-count true RMS, while 2C53T enhances it with 4.5-digit 19999-count true RMS, supporting AC/DC voltage and current, resistance, capacitance, diode, and continuity measurements.
The DDS signal generator in 2C23T outputs 7 signal types up to 2MHz, while 2C53T supports 13 signal types up to 50kHz. Both offer 1Hz step adjustment, with customizable frequency, amplitude, and duty cycle.
Each model is equipped with a 2.8-inch 320×240 HD display and a 3000mAh rechargeable battery, delivering up to 6 hours of standby time. With waveform screenshot saving and viewing support, these devices combine portability, power, and practicality in one tool.
Basic Parameters
FNIRSI-2C53T
Product Model: 2C53T
Display: 2.8-inch HD color screen
Charging: Type-C (5V/1A)
Battery: 3000mAh lithium battery
Languages: Chinese, English
FNIRSI-2C23T
Product Model: 2C23T
Display: 2.8-inch HD color screen
Charging: Type-C (5V/1A)
Battery: 3000mAh lithium battery
Languages: Chinese, English, Portuguese, Japanese, German
Oscilloscope Parameters
FNIRSI-2C53T
Channel: Dual-channel
Sample Rate: 250MS/s
Analog Bandwidth: 50MHz (independent dual-channel)
Storage Depth: 1Kpts
Input Impedance: 1MΩ
Time Base Range: 10ns – 20s
Vertical Sensitivity: 10mV/div – 10V/div (X1)
Max Measured Voltage: ±400V
Trigger Mode: AUTO / Normal / Single
Trigger Type: Rising edge, Falling edge
Display Mode: Y-T / Rolling / X-Y
Coupling: AC / DC
Persistence: OFF, 500ms, 1s, ∞
Math Functions: 8 basic operations + FFT
Waveform Screenshot: Supported
Export Waveform Image: Supported
Cursor Measurement: Supported
FNIRSI-2C23T
Channel: Dual-channel
Sample Rate: 50MS/s
Analog Bandwidth: 10MHz (independent dual-channel)
Storage Depth: 32KB
Input Impedance: 1MΩ
Time Base Range: 50ns – 10s
Vertical Sensitivity: 20mV/div – 10V/div (X1)
Max Measured Voltage: ±400V
Trigger Mode: AUTO / Normal / Single
Trigger Type: Rising edge, Falling edge
Display Mode: Y-T / Scroll
Coupling: AC / DC
Waveform Screenshot: Supported
Export Waveform Image: Supported
Multimeter Parameters
FNIRSI-2C53T
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: 199.99Ω / 1.9999KΩ / 19.999KΩ / 199.99KΩ / 1.9999MΩ / 19.999MΩ
Capacitance: 9.999nF / 99.99nF / 999.9nF / 9.999uF / 99.99uF / 999.9uF / 9.999mF / 99.99mF
Temperature: –55°C to 1300°C (–67°F to 2372°F)
Diode Test: Yes
Continuity Test: Yes
Live Line Detection: Yes
FNIRSI-2C23T
DC Voltage: 9.999V – 999.9V
AC Voltage: 9.999V – 750.0V
DC Current: 9999μA – 9.999A
AC Current: 9999μA – 9.999A
Resistance: 999.9Ω – 99.99MΩ
Capacitance: 9.999nF – 99.99mF
Temperature: –55°C to 1300°C (–67°F to 2372°F)
Diode Test: Yes
Continuity Test: Yes
Live Line Detection: Yes
FNIRSI-2C53T
Waveforms: 13 types
Sine, Square, Sawtooth, Half Wave, Full Wave, Positive Step, Negative Step, Exponential Rise, Exponential Fall, DC, Multi-audio, Sinker Pulse, Lorentz
Output Frequency: 0 – 50kHz
Output Amplitude: 0 – 3V
Output Duty Cycle: 0 – 100%
FNIRSI-2C23T
Waveforms: 7 types
Sine, Square, Triangle, Full Wave, Half Wave, Noise, DC
Channel: Single
Output Frequency: 1Hz – 2MHz
Output Amplitude: 0.1 – 3.3V
2C23T Standard Version
2C23T Oscilloscope ×1
P6100 Probe ×1
Crocodile Clip Probe ×1
Multimeter Probe ×1
Type-C Charging Cable ×1
User Manual ×1
Packaging Box ×1
2C23T Optional Version
2C23T Oscilloscope ×1
P6100 Probe ×2
Crocodile Clip Probe ×1
Multimeter Probe ×1
Type-C Charging Cable ×1
User Manual ×1
Packaging Box ×1
2C53T Standard Version
2C53T Oscilloscope ×1
10X P6100 Probe ×1
Crocodile Clip Probe ×1
Multimeter Probe ×1
Type-C Charging Cable ×1
Storage Handbag ×1
User Manual ×1
Packaging Box ×1
2C53T Optional Version
2C53T Oscilloscope ×1
10X P6100 Probe ×2
Crocodile Clip Probe ×1
Multimeter Probe ×1
Type-C Charging Cable ×1
Storage Handbag ×1
User Manual ×1
Packaging Box ×1
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