UPO1204 200 MHz 4Ch Digital Storage Oscilloscope
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The UNI-T UPO1204 is a 200 MHz, four-channel digital storage oscilloscope with 2 GSa/s real-time sample rate, 56 Mpts memory depth and a 500,000 wfms/s waveform capture rate (Fast Acquire mode).
Ultra Phosphor 2.0 display technology drives 256-level intensity grading on a 7-inch WVGA TFT LCD, making it straightforward to distinguish frequent signal behavior from rare anomalies at a glance.
Four channels, 56 Mpts of memory, an independent DVM module, an enhanced 1 Mpts FFT, and three serial bus protocols decoded as standard — features that typically migrate to mid-tier scopes. The UPO1204 keeps them on the value-tier bench, which is the value proposition for teaching labs running twenty stations and engineering teams sourcing a second scope without sacrificing capability.
- 200 MHz bandwidth, 4 channels — 2 GSa/s real-time sample rate (2 GSa/s on a single channel; 1 GSa/s on two; 500 MSa/s on all four), ≤ 1.8 ns calculated rise time.
- 56 Mpts memory depth — capture full switching cycles and long protocol sequences without trading sample rate for record length.
- 500,000 wfms/s waveform capture rate — Ultra Phosphor 2.0 with 256-level intensity grading, in Fast Acquire mode. Fast enough to surface intermittent events that slower scopes spend hours missing.
- 1 Mpts enhanced FFT — frequency-domain analysis with frequency setting, demodulation mode, waterfall display, and marker measurement.
- Independent DVM module — dedicated AC/DC True RMS digital voltmeter, operating in parallel with scope acquisition.
- 7-digit hardware frequency counter — hardware-accelerated counter alongside the scope channels.
- 3 serial bus decoders standard — RS-232/UART, I²C, and SPI trigger and decode included; full-memory hardware decoding turns multi-second decode times into milliseconds.
- 36 automated measurements — time, voltage, frequency, and statistical measurements with cursor-area scoping.
- Multiple trigger types — edge, pulse width, video, slope, runt, over-amplitude, delay, timeout, duration, setup/hold, Nth edge, and pattern triggers.
- Web remote control — browser-based access from any PC or mobile device on the LAN; no driver software, no host application.
- SCPI + LAN automation — Standard Command for Programmable Instruments over LAN for scripted test sequences.
Detailed Features
Ultra Phosphor 2.0
Ultra Phosphor 2.0 is UNI-T's intensity-graded display technology. Waveforms paint with 256-level brightness, where signals that recur often appear bright and rare anomalies show as faint streaks against the baseline trace — the kind of detail a flat-color display paints over.
Standard sampling reaches 150,000 wfms/s; engaging Fast Acquire mode pushes the rate to 500,000 wfms/s. Combined with hardware-accelerated continuous waveform recording at up to 120,000 frames, the scope catches glitches, runt pulses, and other transient events that 8-bit value-tier oscilloscopes typically don't surface.
Independent DVM Module
The UPO1204 includes a built-in 4-bit digital voltmeter that operates in parallel with the scope channels, displaying AC/DC True RMS values continuously while the oscilloscope captures waveforms. The DVM has its own display readout and a configurable warning when measurements exceed the specified range — a separate instrument's worth of capability without a separate instrument's bench space, useful for steady-state DC monitoring alongside dynamic AC measurement and for double-checking power-supply rails without breaking the trigger setup.
1 Mpts Enhanced FFT
The 1 Mpts FFT converts time-domain waveforms to the frequency domain at resolution that matches mid-tier oscilloscopes. Frequency setting, demodulation mode, waterfall display, and automatic peak marking are all standard, supporting EMI troubleshooting, switching-supply harmonic characterization, audio-band analysis, and clock-spur identification. Five window functions (Rectangle, Hanning, Blackman, Hamming, FlatTop) cover the common analysis trade-offs between frequency resolution and amplitude accuracy.
Standard Bus Decoding — RS-232/UART, I²C, SPI
RS-232/UART, I²C, and SPI trigger and decode are standard — no protocol licenses, no add-on packages. Decoded bus traffic overlays the waveform with field-level annotation, and the event list view shows decoded packets alongside the time stamps. Hardware decoding running across the full 56 Mpts memory turns what would be a tens-of-seconds software decode into a sub-second operation, making the UPO1000 a usable embedded-debug instrument rather than a strictly time-domain scope.
No optional protocol licenses are available on the UPO1204: CAN, CAN-FD, LIN, and FlexRay are not supported on this platform. Buyers who need automotive bus decoding should look at the UPO1000HD or MSO/UPO2000 series, which support those protocols as paid options.
7-digit Hardware Frequency Counter
A 7-digit hardware-accelerated counter runs alongside the scope's standard automated measurements. The counter reads independently from the channel measurement engine, which gives stable, high-resolution frequency readings on stable signals without the jitter that software counters can exhibit on the lower-density end of the rate range. Useful for verifying oscillator frequencies, clock-recovery loops, and PWM duty cycles where a stable frequency number matters more than time-domain detail.
Multiple Trigger Types
Beyond standard edge triggering, the scope offers pulse width, video, slope, runt, over-amplitude, delay, timeout, duration, setup/hold, Nth edge, and pattern triggers. Runt and over-amplitude triggers isolate signal-integrity violations that an edge-only trigger would never catch; setup/hold and Nth edge triggers isolate specific cycles in long protocol captures. The full set is standard, with no trigger-package upgrades to license.
36 Automated Measurements with Cursor-Area Scoping
Thirty-six automated measurement parameters cover time, voltage, frequency, and statistical categories: rise/fall time, pulse width, duty cycle, frequency, period, amplitude, RMS, peak-peak, mean, standard deviation, and others. Each measurement supports cursor-area scoping — the measurement runs only within the cursor window rather than across the full record — useful for measuring a specific burst within a long capture without rezooming. Statistics (min, max, mean, std-dev) accumulate over time for characterization of measurement drift.
Web Remote Control and SCPI Automation
Connect the UPO1204 to the LAN and access the full instrument from any web browser — PC, Mac, or mobile — with no driver installation, no host application, no setup. Capture screenshots, change settings, transfer waveform data, and run SCPI commands from any device on the network. Useful for shared lab instruments, rack-mounted teaching benches with cable runs across the room, and Python or LabVIEW automation scripts that drive the scope through standard SCPI over LAN.
Connectivity (USB, LAN, AUX)
Standard interfaces include USB-Host (front and rear) for thumb-drive screenshot capture and firmware updates, USB-Device (rear) for SCPI over USB to a PC, Gigabit LAN for SCPI and web remote, and AUX output for triggered signal handoff. RS-232 is not present on this platform; SCPI runs over USB and LAN. The LAN connection supports both DHCP and static IP configuration for fixed-IP rack deployments.
Applications
Teaching Lab and Trade-School Curriculum (Education)
- Multi-station deployment at value-tier prices: a real 4 channels scope on every bench, with the same Ultra Phosphor 2.0 UI that students will see in industry on the UPO1000HD and MSO1000HD families.
- 56 Mpts memory and 1 Mpts FFT cover the full spectrum-and-time-domain undergraduate curriculum without the memory-vs-sample-rate trade-offs that entry scopes normally impose.
- 36 automated measurements with statistics let students focus on circuit behavior rather than measurement methodology, while the cursor-area mode supports manual measurement teaching.
- Web-based remote control mirrors the screen for classroom demonstration without USB capture cables or projector adapters; SCPI over LAN supports Python and LabVIEW lab exercises.
Embedded Systems Development (R&D)
- Three serial bus decoders standard (RS-232/UART, I²C, SPI) cover most low-speed embedded debug workflows without protocol-license fees.
- 56 Mpts memory captures full firmware-boot and protocol sequences in a single trigger, with full-memory hardware decoding for sub-second decode of long captures.
- Independent DVM module reads supply rails alongside scope traces — useful for verifying brownout, monitoring switching ripple, or validating reference-voltage stability during prototype bring-up.
- SCPI over LAN runs Python regression scripts on the same instrument that the bench engineer uses interactively — automation without a separate automation-class scope.
Electronics Service, Repair, and Maintenance
- Bench-portable form factor: AC-line bench scope sized for the typical service workshop without the depth or weight of a flagship instrument.
- Ultra Phosphor 2.0 with 256-level intensity grading reveals signal-integrity violations (runt pulses, glitches) that flat-color displays paint over — the difference between fixing the root cause and replacing the symptom.
- Hardware frequency counter gives stable rate readings for verifying oscillator and clock-recovery behavior during board-level repair.
- AC/DC True RMS DVM module replaces the bench multimeter for steady-state checks while keeping the scope trigger configuration intact.
Switching-Mode Power Supply Validation
- Bandwidth selection from 200 MHz matches the switching frequency range of low-frequency LLC and PFC stages through high-frequency GaN/SiC designs, with 56 Mpts memory for capturing long startup transients without losing sample rate.
- 1 Mpts FFT characterizes ripple harmonics and switching-noise spectral content for EMI pre-compliance investigation alongside time-domain switching analysis.
- Multiple trigger types (runt, over-amplitude, pulse-width) isolate switching faults, current spikes during startup, and protection-circuit activations.
- Independent DVM module monitors output-rail DC value while scope captures dynamic AC load-step behavior — both halves of the supply characterization on one instrument.
Production Test and Quality Control
- SCPI over LAN supports rack-mounted production-line deployment with Python or LabVIEW test scripts; the web remote interface gives line operators a familiar browser-based view without driver installation on each test station.
- 36 automated measurements with statistics support go/no-go testing of board-level signal-integrity specs; the cursor-area mode isolates specific cycles for measurement without re-zooming the full capture.
- Continuous waveform recording into the memory depth supports historical archiving of production-line captures for later analysis when a batch shows yield-tail issues.
EMI Pre-Compliance Investigation
- 1 Mpts FFT with five window functions, demodulation mode, and waterfall display supports time-correlated EMI investigation against the time-domain switching waveform — useful for tracking down which switching event produces which emission peak.
- Marker measurement on the FFT supports quick peak frequency and amplitude readout during emission-hunt work on a prototype board.
- Combined with a near-field probe set and a Faraday-cage cardboard tent, the FFT view supports pre-compliance investigation that catches the obvious failures before the expensive compliance-lab booking.
Specifications
| Bandwidth | 200 MHz |
| Channels | 4 |
| Real-Time Sample Rate | 2 GSa/s |
| Sample Rate per Channel Configuration | 2 GSa/s on a single channel; 1 GSa/s on two; 500 MSa/s on all four |
| Calculated Rise Time | ≤ 1.8 ns |
| Memory Depth | 56 Mpts |
| Vertical Resolution | 8 bits |
| Vertical Scale (1 MΩ) | 500 µV/div to 20 V/div |
| Maximum Input Voltage | 400 V (DC + AC Vpk) |
| Waveform Capture Rate | 500,000 wfms/s (Fast Acquire mode); 150,000 wfms/s normal |
| Continuous Frame Recording | 120,000 frames |
| FFT | 1 Mpts enhanced FFT (5 window functions) |
| DVM | Independent module — 4-bit, AC/DC True RMS |
| Frequency Counter | 7-digit hardware |
| Automated Measurements | 36 parameters with statistics and cursor-area scoping |
| Trigger Types | Edge, Pulse Width, Video, Slope, Runt, Over-Amplitude, Delay, Timeout, Duration, Setup/Hold, Nth Edge, Pattern |
| Serial Bus Decoding (Standard) | RS-232/UART, I²C, SPI |
| Optional Protocol Decoders | None available on this platform |
| Display | 7-inch WVGA TFT LCD, 256-level intensity grading |
| Interface | USB-Host (front + rear), USB-Device (rear), LAN (1 GbE), AUX |
| Remote Control | Web browser (no driver), SCPI over LAN |
| Certifications | CE | cETLus |
| Operating Temperature | 0°C to 40°C |
| Line Voltage | 100–240 VAC, 50/60 Hz |
| Power Consumption | 75 VA maximum |
| Weight | 2.45 kg |
| Dimensions (W × H × D) | 306 × 138 × 107 mm |
Downloads
Accessories & Options
Included
- UPO1204 digital storage oscilloscope
- Power cord (national standard)
- USB 2.0 data cable
- 4 × passive probes — UT-P07A (500 MHz, one per channel)
- Quick start guide
- Factory calibration certificate
Recommended Accessories
- High-voltage passive probes — UT-P20 (100:1, 250 MHz), UT-V23 (100:1), UT-P21 (1000:1, DC 10 kV / AC 7 kVrms) for line-voltage and HV switching work.
- Differential probes — UT-P30, UT-P31, UT-P32, UT-P33, UT-P35, UT-P36 for floating measurements where ground reference can't be tied to scope chassis.
- Current probes — UT-P40, UT-P41, UT-P42, UT-P43, UT-P44; UT-P4150 for high-current AC/DC measurement on switching and motor-drive applications.
- Isolation transformer — UT-ISOT for line-powered DUTs that require galvanic isolation between scope ground and DUT ground.
Family Members
- UPO1054 — 50 MHz, 4 channels, 2 GSa/s
- UPO1104 — 100 MHz, 4 channels, 2 GSa/s
- UPO1204 — 200 MHz, 4 channels, 2 GSa/s (this product)
Step Up: UPO1000HD (4-channel, 12-Bit Vertical)
If your application needs higher vertical resolution or deeper memory than the UPO1204 provides, the UPO1000HD family offers 12-bit vertical resolution and the same Ultra Phosphor 2.0 display engine in the same cabinet footprint.
- UPO1084HD — 80 MHz, 4 channels, 12-bit vertical resolution
- UPO1154HD — 150 MHz, 4 channels, 12-bit vertical resolution
FAQ's
Which serial bus protocols are decoded as standard, and which require a license?
The UPO1204 decodes RS-232/UART, I²C, and SPI as standard — trigger and decode functions for all three are included with the scope, with no license fees and no protocol-option purchase required. No optional protocol decoders are available on this platform. CAN, CAN-FD, LIN, and FlexRay are not supported on the UPO1000 platform. If your application requires automotive bus decoding, the UPO1000HD or MSO/UPO2000 series support those protocols as paid options.
What is Fast Acquire mode, and when should I use it?
Fast Acquire is a UPO1000-series acquisition mode that boosts waveform capture rate from 150,000 wfms/s (standard) to 500,000 wfms/s. The trade-off is that some screen-update detail is sacrificed for raw capture throughput. Use Fast Acquire when hunting intermittent signal-integrity events (glitches, runt pulses, rare protocol violations) that depend on capturing many waveforms quickly. Use standard mode for everyday time-domain measurement work where the display refresh rate matters more than raw capture density.
Does the DVM module share input channels with the scope, or is it truly independent?
The DVM is truly independent: it has its own 4-bit measurement input and operates in parallel with the four (or two) scope channels. You can run a continuous AC/DC True RMS reading on a supply rail while the scope captures dynamic switching behavior on another channel, without any time-sharing between the two functions. The DVM readout appears on a dedicated portion of the screen and persists across scope-channel configuration changes.
What does the web remote control look like in practice, and how does SCPI automation work?
Connect the UPO1204 to your LAN, point any browser at the scope's IP, and you get a full-screen replica of the front panel that you can drive from your desk or a mobile device — no driver installation, no host application. Useful for shared lab instruments and projection during teaching demos. For automation, the scope responds to SCPI commands over LAN (Standard Commands for Programmable Instruments), which means Python (pyvisa), MATLAB Instrument Control Toolbox, LabVIEW, and any other VISA-aware tool can drive the scope through scripts. SCPI also runs over USB-Device for PC-tethered automation when LAN isn't available.
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Product Information
Product Information
The UNI-T UPO1204 is a 200 MHz, four-channel digital storage oscilloscope with 2 GSa/s real-time sample rate, 56 Mpts memory depth and a 500,000 wfms/s waveform capture rate (Fast Acquire mode).
Ultra Phosphor 2.0 display technology drives 256-level intensity grading on a 7-inch WVGA TFT LCD, making it straightforward to distinguish frequent signal behavior from rare anomalies at a glance.
Four channels, 56 Mpts of memory, an independent DVM module, an enhanced 1 Mpts FFT, and three serial bus protocols decoded as standard — features that typically migrate to mid-tier scopes. The UPO1204 keeps them on the value-tier bench, which is the value proposition for teaching labs running twenty stations and engineering teams sourcing a second scope without sacrificing capability.
- 200 MHz bandwidth, 4 channels — 2 GSa/s real-time sample rate (2 GSa/s on a single channel; 1 GSa/s on two; 500 MSa/s on all four), ≤ 1.8 ns calculated rise time.
- 56 Mpts memory depth — capture full switching cycles and long protocol sequences without trading sample rate for record length.
- 500,000 wfms/s waveform capture rate — Ultra Phosphor 2.0 with 256-level intensity grading, in Fast Acquire mode. Fast enough to surface intermittent events that slower scopes spend hours missing.
- 1 Mpts enhanced FFT — frequency-domain analysis with frequency setting, demodulation mode, waterfall display, and marker measurement.
- Independent DVM module — dedicated AC/DC True RMS digital voltmeter, operating in parallel with scope acquisition.
- 7-digit hardware frequency counter — hardware-accelerated counter alongside the scope channels.
- 3 serial bus decoders standard — RS-232/UART, I²C, and SPI trigger and decode included; full-memory hardware decoding turns multi-second decode times into milliseconds.
- 36 automated measurements — time, voltage, frequency, and statistical measurements with cursor-area scoping.
- Multiple trigger types — edge, pulse width, video, slope, runt, over-amplitude, delay, timeout, duration, setup/hold, Nth edge, and pattern triggers.
- Web remote control — browser-based access from any PC or mobile device on the LAN; no driver software, no host application.
- SCPI + LAN automation — Standard Command for Programmable Instruments over LAN for scripted test sequences.
Detailed Features
Ultra Phosphor 2.0
Ultra Phosphor 2.0 is UNI-T's intensity-graded display technology. Waveforms paint with 256-level brightness, where signals that recur often appear bright and rare anomalies show as faint streaks against the baseline trace — the kind of detail a flat-color display paints over.
Standard sampling reaches 150,000 wfms/s; engaging Fast Acquire mode pushes the rate to 500,000 wfms/s. Combined with hardware-accelerated continuous waveform recording at up to 120,000 frames, the scope catches glitches, runt pulses, and other transient events that 8-bit value-tier oscilloscopes typically don't surface.
Independent DVM Module
The UPO1204 includes a built-in 4-bit digital voltmeter that operates in parallel with the scope channels, displaying AC/DC True RMS values continuously while the oscilloscope captures waveforms. The DVM has its own display readout and a configurable warning when measurements exceed the specified range — a separate instrument's worth of capability without a separate instrument's bench space, useful for steady-state DC monitoring alongside dynamic AC measurement and for double-checking power-supply rails without breaking the trigger setup.
1 Mpts Enhanced FFT
The 1 Mpts FFT converts time-domain waveforms to the frequency domain at resolution that matches mid-tier oscilloscopes. Frequency setting, demodulation mode, waterfall display, and automatic peak marking are all standard, supporting EMI troubleshooting, switching-supply harmonic characterization, audio-band analysis, and clock-spur identification. Five window functions (Rectangle, Hanning, Blackman, Hamming, FlatTop) cover the common analysis trade-offs between frequency resolution and amplitude accuracy.
Standard Bus Decoding — RS-232/UART, I²C, SPI
RS-232/UART, I²C, and SPI trigger and decode are standard — no protocol licenses, no add-on packages. Decoded bus traffic overlays the waveform with field-level annotation, and the event list view shows decoded packets alongside the time stamps. Hardware decoding running across the full 56 Mpts memory turns what would be a tens-of-seconds software decode into a sub-second operation, making the UPO1000 a usable embedded-debug instrument rather than a strictly time-domain scope.
No optional protocol licenses are available on the UPO1204: CAN, CAN-FD, LIN, and FlexRay are not supported on this platform. Buyers who need automotive bus decoding should look at the UPO1000HD or MSO/UPO2000 series, which support those protocols as paid options.
7-digit Hardware Frequency Counter
A 7-digit hardware-accelerated counter runs alongside the scope's standard automated measurements. The counter reads independently from the channel measurement engine, which gives stable, high-resolution frequency readings on stable signals without the jitter that software counters can exhibit on the lower-density end of the rate range. Useful for verifying oscillator frequencies, clock-recovery loops, and PWM duty cycles where a stable frequency number matters more than time-domain detail.
Multiple Trigger Types
Beyond standard edge triggering, the scope offers pulse width, video, slope, runt, over-amplitude, delay, timeout, duration, setup/hold, Nth edge, and pattern triggers. Runt and over-amplitude triggers isolate signal-integrity violations that an edge-only trigger would never catch; setup/hold and Nth edge triggers isolate specific cycles in long protocol captures. The full set is standard, with no trigger-package upgrades to license.
36 Automated Measurements with Cursor-Area Scoping
Thirty-six automated measurement parameters cover time, voltage, frequency, and statistical categories: rise/fall time, pulse width, duty cycle, frequency, period, amplitude, RMS, peak-peak, mean, standard deviation, and others. Each measurement supports cursor-area scoping — the measurement runs only within the cursor window rather than across the full record — useful for measuring a specific burst within a long capture without rezooming. Statistics (min, max, mean, std-dev) accumulate over time for characterization of measurement drift.
Web Remote Control and SCPI Automation
Connect the UPO1204 to the LAN and access the full instrument from any web browser — PC, Mac, or mobile — with no driver installation, no host application, no setup. Capture screenshots, change settings, transfer waveform data, and run SCPI commands from any device on the network. Useful for shared lab instruments, rack-mounted teaching benches with cable runs across the room, and Python or LabVIEW automation scripts that drive the scope through standard SCPI over LAN.
Connectivity (USB, LAN, AUX)
Standard interfaces include USB-Host (front and rear) for thumb-drive screenshot capture and firmware updates, USB-Device (rear) for SCPI over USB to a PC, Gigabit LAN for SCPI and web remote, and AUX output for triggered signal handoff. RS-232 is not present on this platform; SCPI runs over USB and LAN. The LAN connection supports both DHCP and static IP configuration for fixed-IP rack deployments.
Applications
Teaching Lab and Trade-School Curriculum (Education)
- Multi-station deployment at value-tier prices: a real 4 channels scope on every bench, with the same Ultra Phosphor 2.0 UI that students will see in industry on the UPO1000HD and MSO1000HD families.
- 56 Mpts memory and 1 Mpts FFT cover the full spectrum-and-time-domain undergraduate curriculum without the memory-vs-sample-rate trade-offs that entry scopes normally impose.
- 36 automated measurements with statistics let students focus on circuit behavior rather than measurement methodology, while the cursor-area mode supports manual measurement teaching.
- Web-based remote control mirrors the screen for classroom demonstration without USB capture cables or projector adapters; SCPI over LAN supports Python and LabVIEW lab exercises.
Embedded Systems Development (R&D)
- Three serial bus decoders standard (RS-232/UART, I²C, SPI) cover most low-speed embedded debug workflows without protocol-license fees.
- 56 Mpts memory captures full firmware-boot and protocol sequences in a single trigger, with full-memory hardware decoding for sub-second decode of long captures.
- Independent DVM module reads supply rails alongside scope traces — useful for verifying brownout, monitoring switching ripple, or validating reference-voltage stability during prototype bring-up.
- SCPI over LAN runs Python regression scripts on the same instrument that the bench engineer uses interactively — automation without a separate automation-class scope.
Electronics Service, Repair, and Maintenance
- Bench-portable form factor: AC-line bench scope sized for the typical service workshop without the depth or weight of a flagship instrument.
- Ultra Phosphor 2.0 with 256-level intensity grading reveals signal-integrity violations (runt pulses, glitches) that flat-color displays paint over — the difference between fixing the root cause and replacing the symptom.
- Hardware frequency counter gives stable rate readings for verifying oscillator and clock-recovery behavior during board-level repair.
- AC/DC True RMS DVM module replaces the bench multimeter for steady-state checks while keeping the scope trigger configuration intact.
Switching-Mode Power Supply Validation
- Bandwidth selection from 200 MHz matches the switching frequency range of low-frequency LLC and PFC stages through high-frequency GaN/SiC designs, with 56 Mpts memory for capturing long startup transients without losing sample rate.
- 1 Mpts FFT characterizes ripple harmonics and switching-noise spectral content for EMI pre-compliance investigation alongside time-domain switching analysis.
- Multiple trigger types (runt, over-amplitude, pulse-width) isolate switching faults, current spikes during startup, and protection-circuit activations.
- Independent DVM module monitors output-rail DC value while scope captures dynamic AC load-step behavior — both halves of the supply characterization on one instrument.
Production Test and Quality Control
- SCPI over LAN supports rack-mounted production-line deployment with Python or LabVIEW test scripts; the web remote interface gives line operators a familiar browser-based view without driver installation on each test station.
- 36 automated measurements with statistics support go/no-go testing of board-level signal-integrity specs; the cursor-area mode isolates specific cycles for measurement without re-zooming the full capture.
- Continuous waveform recording into the memory depth supports historical archiving of production-line captures for later analysis when a batch shows yield-tail issues.
EMI Pre-Compliance Investigation
- 1 Mpts FFT with five window functions, demodulation mode, and waterfall display supports time-correlated EMI investigation against the time-domain switching waveform — useful for tracking down which switching event produces which emission peak.
- Marker measurement on the FFT supports quick peak frequency and amplitude readout during emission-hunt work on a prototype board.
- Combined with a near-field probe set and a Faraday-cage cardboard tent, the FFT view supports pre-compliance investigation that catches the obvious failures before the expensive compliance-lab booking.
Specifications
| Bandwidth | 200 MHz |
| Channels | 4 |
| Real-Time Sample Rate | 2 GSa/s |
| Sample Rate per Channel Configuration | 2 GSa/s on a single channel; 1 GSa/s on two; 500 MSa/s on all four |
| Calculated Rise Time | ≤ 1.8 ns |
| Memory Depth | 56 Mpts |
| Vertical Resolution | 8 bits |
| Vertical Scale (1 MΩ) | 500 µV/div to 20 V/div |
| Maximum Input Voltage | 400 V (DC + AC Vpk) |
| Waveform Capture Rate | 500,000 wfms/s (Fast Acquire mode); 150,000 wfms/s normal |
| Continuous Frame Recording | 120,000 frames |
| FFT | 1 Mpts enhanced FFT (5 window functions) |
| DVM | Independent module — 4-bit, AC/DC True RMS |
| Frequency Counter | 7-digit hardware |
| Automated Measurements | 36 parameters with statistics and cursor-area scoping |
| Trigger Types | Edge, Pulse Width, Video, Slope, Runt, Over-Amplitude, Delay, Timeout, Duration, Setup/Hold, Nth Edge, Pattern |
| Serial Bus Decoding (Standard) | RS-232/UART, I²C, SPI |
| Optional Protocol Decoders | None available on this platform |
| Display | 7-inch WVGA TFT LCD, 256-level intensity grading |
| Interface | USB-Host (front + rear), USB-Device (rear), LAN (1 GbE), AUX |
| Remote Control | Web browser (no driver), SCPI over LAN |
| Certifications | CE | cETLus |
| Operating Temperature | 0°C to 40°C |
| Line Voltage | 100–240 VAC, 50/60 Hz |
| Power Consumption | 75 VA maximum |
| Weight | 2.45 kg |
| Dimensions (W × H × D) | 306 × 138 × 107 mm |
Downloads
Accessories & Options
Included
- UPO1204 digital storage oscilloscope
- Power cord (national standard)
- USB 2.0 data cable
- 4 × passive probes — UT-P07A (500 MHz, one per channel)
- Quick start guide
- Factory calibration certificate
Recommended Accessories
- High-voltage passive probes — UT-P20 (100:1, 250 MHz), UT-V23 (100:1), UT-P21 (1000:1, DC 10 kV / AC 7 kVrms) for line-voltage and HV switching work.
- Differential probes — UT-P30, UT-P31, UT-P32, UT-P33, UT-P35, UT-P36 for floating measurements where ground reference can't be tied to scope chassis.
- Current probes — UT-P40, UT-P41, UT-P42, UT-P43, UT-P44; UT-P4150 for high-current AC/DC measurement on switching and motor-drive applications.
- Isolation transformer — UT-ISOT for line-powered DUTs that require galvanic isolation between scope ground and DUT ground.
Family Members
- UPO1054 — 50 MHz, 4 channels, 2 GSa/s
- UPO1104 — 100 MHz, 4 channels, 2 GSa/s
- UPO1204 — 200 MHz, 4 channels, 2 GSa/s (this product)
Step Up: UPO1000HD (4-channel, 12-Bit Vertical)
If your application needs higher vertical resolution or deeper memory than the UPO1204 provides, the UPO1000HD family offers 12-bit vertical resolution and the same Ultra Phosphor 2.0 display engine in the same cabinet footprint.
- UPO1084HD — 80 MHz, 4 channels, 12-bit vertical resolution
- UPO1154HD — 150 MHz, 4 channels, 12-bit vertical resolution
FAQ's
Which serial bus protocols are decoded as standard, and which require a license?
The UPO1204 decodes RS-232/UART, I²C, and SPI as standard — trigger and decode functions for all three are included with the scope, with no license fees and no protocol-option purchase required. No optional protocol decoders are available on this platform. CAN, CAN-FD, LIN, and FlexRay are not supported on the UPO1000 platform. If your application requires automotive bus decoding, the UPO1000HD or MSO/UPO2000 series support those protocols as paid options.
What is Fast Acquire mode, and when should I use it?
Fast Acquire is a UPO1000-series acquisition mode that boosts waveform capture rate from 150,000 wfms/s (standard) to 500,000 wfms/s. The trade-off is that some screen-update detail is sacrificed for raw capture throughput. Use Fast Acquire when hunting intermittent signal-integrity events (glitches, runt pulses, rare protocol violations) that depend on capturing many waveforms quickly. Use standard mode for everyday time-domain measurement work where the display refresh rate matters more than raw capture density.
Does the DVM module share input channels with the scope, or is it truly independent?
The DVM is truly independent: it has its own 4-bit measurement input and operates in parallel with the four (or two) scope channels. You can run a continuous AC/DC True RMS reading on a supply rail while the scope captures dynamic switching behavior on another channel, without any time-sharing between the two functions. The DVM readout appears on a dedicated portion of the screen and persists across scope-channel configuration changes.
What does the web remote control look like in practice, and how does SCPI automation work?
Connect the UPO1204 to your LAN, point any browser at the scope's IP, and you get a full-screen replica of the front panel that you can drive from your desk or a mobile device — no driver installation, no host application. Useful for shared lab instruments and projection during teaching demos. For automation, the scope responds to SCPI commands over LAN (Standard Commands for Programmable Instruments), which means Python (pyvisa), MATLAB Instrument Control Toolbox, LabVIEW, and any other VISA-aware tool can drive the scope through scripts. SCPI also runs over USB-Device for PC-tethered automation when LAN isn't available.
Description
Description
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Product Category: Elektrische Prüfgeräte
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