Auniontech 4382 Series Handheld Digital Phosphor Oscilloscope

Overview

The Auniontech 4382 Series Handheld Digital Phosphor Oscilloscope is an integrated, field-deployable test instrument engineered for high-fidelity signal acquisition and real-time analysis in demanding electronic design, commissioning, and maintenance environments. Built upon a digital phosphor architecture—distinct from conventional digital storage oscilloscopes—the 4382 Series employs proprietary Any Acquire Phosphor technology to emulate the intensity-graded persistence of analog CRT displays while retaining full digital signal integrity. This enables simultaneous visualization of transient anomalies, infrequent glitches, and statistical waveform behavior with high temporal density—critical for debugging intermittent faults in power electronics, embedded systems, and industrial control circuits. The instrument’s core measurement engine supports real-time sampling at up to 5 GSa/s on a single channel, with scalable interleaved rates across multi-channel configurations (2.5 GSa/s for two active channels; 1.25 GSa/s for four). Its 60 kpts/channel deep memory ensures sufficient record length for capturing extended events without sacrificing resolution, while the 100,000 waveforms-per-second capture rate significantly increases probability of detecting rare signal deviations.

Key Features

• Four-in-One Instrumentation: Integrates oscilloscope, true-RMS digital multimeter (DMM), waveform recorder (data logger), and optional serial bus analyzer—eliminating need for multiple standalone tools in field service or lab bench workflows.
• Digital Phosphor Architecture: Delivers intensity-graded display rendering via hardware-accelerated histogram accumulation, enabling intuitive identification of signal activity distribution, jitter, and noise floor characteristics without post-processing.
• Capacitive Touch Interface: 6.5-inch VGA-resolution (640 × 480) color LCD with responsive touch controls streamlines parameter navigation, probe setup, and measurement zone selection—optimized for gloved operation and rapid menu traversal.
• Auto-Recognition & Calibration Support: Automatic detection and configuration of passive probes; support for user-defined probe attenuation factors and calibration offsets ensures traceable amplitude accuracy across diverse measurement setups.
• Comprehensive Analysis Suite: Includes parametric measurements (Vpp, Vrms, frequency, rise time), cursor-based delta analysis, FFT spectral estimation (up to 1 M-point), math operations (add/sub/multiply/divide, FFT, integration/differentiation), mask testing, power quality analysis (Vrms, harmonic content, ripple), and segmented waveform playback.
• Field-Optimized Design: Weighing less than 2.5 kg with integrated Li-ion battery (typical runtime ≥ 4 hours), ruggedized housing, and IP51-rated enclosure—designed for sustained use in industrial sites, utility substations, transportation infrastructure, and aerospace ground support.

Sample Compatibility & Compliance

The 4382 Series accommodates a broad range of passive and active probing solutions—including standard 10× passive probes, high-voltage single-ended (up to 1 kV CAT II), differential voltage probes (±6 kV common-mode), and AC/DC current probes (1 mA to 2000 A)—ensuring safe and accurate measurements across power conversion stages, motor drives, and low-level sensor interfaces. All models comply with EN 61000-6-3 (EMC emission), EN 61000-6-2 (immunity), EN 61010-1 (safety), and RoHS 2011/65/EU directives. Manufacturing adheres to ISO 9001:2015 quality management standards. Firmware supports audit-ready logging for GLP/GMP-aligned applications where measurement traceability is required; timestamped waveform exports include instrument ID, calibration status, and environmental metadata.

Software & Data Management

Remote operation is enabled via standard TCP/IP Ethernet interface using SCPI-compliant command set (IEEE 488.2), facilitating seamless integration into automated test systems (ATE), CI/CD validation pipelines, and custom Python/LabVIEW applications. PC software (OscilloView™) provides offline waveform analysis, comparative overlay, report generation (PDF/CSV), and firmware update capability. All internal storage (≥128 MB) retains up to 1,000 waveforms, screenshots, and setup files with hierarchical folder organization. Export formats include binary (.wfm), CSV, PNG, and MATLAB-compatible .mat. Audit trail functionality logs all user-initiated configuration changes, measurement invocations, and file operations—supporting FDA 21 CFR Part 11 requirements when deployed in regulated product development environments.

Applications

• Circuit design validation and prototype debug in mixed-signal embedded systems
• Power supply characterization—including switching node analysis, ripple measurement, and load transient response
• Industrial automation troubleshooting: PLC I/O timing verification, encoder signal integrity, relay bounce assessment
• Automotive ECU diagnostics: CAN/FlexRay physical layer compliance checks, LIN bus timing analysis, sensor signal conditioning verification
• Field service and maintenance of telecom infrastructure, renewable energy inverters, and railway signaling equipment
• Educational laboratories requiring portable, multi-function instrumentation with pedagogical visualization capabilities

FAQ

What is the difference between digital phosphor and standard digital storage oscilloscopes?
Digital phosphor oscilloscopes (DPOs) use dedicated hardware to accumulate and render waveform intensity histograms in real time—revealing signal probability distributions, subtle jitter, and intermittent events that may be missed by traditional DSOs relying solely on sequential frame updates.
Can the 4382 Series perform bus decoding without the optional analyzer license?
No. Serial protocol decoding (I²C, SPI, UART, CAN, LIN, FlexRay) requires activation of the optional Bus Analysis firmware package. Basic triggering on packet-level conditions is available only with the licensed module.
Is calibration certificate included with shipment?
A factory calibration report (traceable to NIM China national standards) is provided with each unit. Accredited ISO/IEC 17025 calibration certificates are available as an add-on service.
How does the instrument handle thermal drift during extended field use?
The 4382 Series incorporates temperature-compensated ADC references and auto-zeroing circuitry, maintaining amplitude accuracy within ±2% over 0–40 °C ambient range without manual recalibration.
Are firmware updates backward-compatible with saved waveform files?
Yes. All firmware revisions maintain full binary compatibility with legacy .wfm files generated by earlier versions of the 4382 Series.