UNI-T UPO1204 Digital Oscilloscope
The UNI-T UPO1204 is a 4-channel digital phosphor oscilloscope designed for both bench and field use, combining a compact form factor with advanced deep-memory, real-time recording, and playback capabilities. It features UNI-T’s proprietary Ultra Phosphor 2.0 display, rendering up to 256-level grayscale to emphasize subtle waveform details over extended observation periods. With a 200 MHz analog bandwidth and real-time sampling up to 2 GSa/s, the UPO1204 captures fast transient events with fidelity, while its 56 Mpts maximum memory depth supports long acquisitions without compromising resolution.
Hardware-based waveform recording can store up to 120,000 frames in real time, and a fast-acquire mode achieves up to 500,000 wfms/s to catch infrequent anomalies. The instrument’s intuitive user interface, featuring a 7-inch WVGA (800 × 480) TFT LCD, multipurpose knobs, and dedicated trigger controls, simplifies navigation through measurement menus. A built-in digital voltmeter (DVM) module provides asynchronous AC/DC TRMS readings, and a 7-digit frequency counter enables precise frequency analysis.
Protocol triggers and full-memory RS232, I²C, and SPI decoding streamline debugging of embedded systems. Internet connectivity via LAN and a Web server allow remote control and waveform sharing. Together, these capabilities make the UPO1204 a versatile tool for electronics design, diagnostics, and education.
Features:
- 4 analog input channels with a 200 MHz bandwidth (others: 100 MHz, 50 MHz).
- Real-time sampling up to 2 GSa/s (single channel), 1 GSa/s (dual), 500 MSa/s (four).
- 56 Mpts maximum memory depth.
- Waveform capture rate up to 500,000 wfms/s (Fast Acquire).
- Hardware real-time waveform recording and playback (up to 120,000 frames).
- 256-level grayscale “Ultra Phosphor” display for enhanced visibility of intermittent events.
- 36 automatic waveform parameters (voltage, time, and derived measurements).
- 7-digit hardware frequency counter.
- Built-in DVM with AC/DC TRMS measurement.
- Math functions: A ± B, A × B, A ÷ B, FFT (1 Mpt), digital filters, logical and advanced operations.
- Multiple trigger types: edge, pulse width, video, slope, runt, over-amplitude, delay, timeout, duration, setup/hold, Nth edge, code pattern.
- Serial-bus triggering and full-memory RS232, I²C, SPI decoding.
- Web-based remote control via built-in HTTP server.
- 7 in., 800 × 480 WVGA TFT LCD with vector/point display modes.
- USB Host/Device, LAN, EXT Trig, AUX Out interfaces.
Specifications:
| Parameter | Specification |
|---|---|
| Analog Bandwidth | 200 MHz |
| Calculated Rise Time (10–90 %) | ≤ 1.8 ns |
| Analog Channel Count | 4 |
| Real-Time Sampling Rate | 2 GSa/s (single) 1 GSa/s (dual) 500 MSa/s (four) |
| Acquisition Modes | Normal, Peak Detect, High Resolution, Averaging |
| Maximum Memory Depth | 56 Mpts |
| Waveform Capture Rate | 150 k wfms/s (Normal) 500 k wfms/s (Fast Acquire) |
| Hardware Recording & Playback | Up to 120,000 frames |
| Vertical Input Coupling | DC, AC, GND |
| Input Impedance | 1 MΩ ‖ 16 pF |
| Probe Attenuation Factors | Voltage: 0.001× to 2000× (user-def); Current: 5 mV/A to 100 mV/A (user-def) |
| Maximum Input Voltage (DC + AC) | 135 V RMS |
| Vertical Resolution | 8-bit |
| Vertical Scale | 500 µV/div to 20 V/div |
| Horizontal Scale (Time Base) | 1 ns/div to 500 s/div |
| Trigger Types | Edge, Pulse Width, Video, Slope, Runt, Over-Amplitude, Delay, Timeout, Duration, Setup/Hold, Nth Edge, Code Pattern |
| Trigger Couplings | DC, AC, HF Reject, LF Reject, Noise Suppression |
| Display | 7″ WVGA TFT LCD (800 × 480), 24-bit true color, vector/point modes |
| Waveform Persistence | Min, 50 ms, 100 ms, 200 ms, 500 ms, 1 s, 2 s, 5 s, 10 s, 20 s, Infinite |
| FFT | 1 Mpt max; Hanning, Hamming, Rectangle, Blackman, FlatTop windows; Vrms/dBV scales |
| Serial-Bus Decode | RS232, I²C, SPI (full-memory hardware decoding) |
| DVM | AC/DC TRMS, 4-digit, selectable source, limit alarm |
| Frequency Counter | 7-digit hardware (up to 9 digits/s; see manual) |
| Interfaces | USB Host, USB Device, LAN, EXT Trig, AUX Out (Trig Out, Pass/Fail, DVM) |
| Power | 100–240 VAC ±10%, 50/60 Hz 100–120 VAC ±10%, 400 Hz ≤ 75 W; Fuse 2.5 A F/250 V |
| Dimensions (W × H × D) | 336 × 170 × 110 mm |
| Weight | 2.45 kg |
| Operating Environment | 0 °C to +40 °C; ≤ 90 % RH (≤ 35 °C); Altitude < 3000 m; Pollution Degree II |
| Storage Environment | –20 °C to +70 °C; ≤ 60 % RH (35–40 °C); Altitude < 15,000 m |
| Safety & EMC | EN 61010-1/61010-2-030, UL 61010-1/61010-2-030, CSA C22.2 61010-1/61010-2-030; CISPR 11 Class B, IEC 61000 Immunity |
Applications:
- Communication.
- Semiconductor.
- Computer.
- IC Design.
- Instrumentation.
- Industrial Electronics.
- Consumer Electronics.
- Automotive Electronics.
- Field Maintenance.
- R&D/Education.
Package Contents:
- 1x Power cord
- 1x USB data cable
- 4x Passive probes
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