HIOKI MR8880-20 Memory HiCorder | 4-Ch 600V Portable DAQ Recorder

HIOKI MR8880 Memory HiCorder – 4-Channel Portable Data Acquisition Recorder for High-Voltage Field Measurement

When Your Standard Multimeter Isn’t Enough

Every electrical contractor and maintenance engineer has been there: an intermittent fault that defies diagnosis with a handheld multimeter, a motor inrush current that trips protection for no apparent reason, or a voltage sag on a commercial power supply that only appears during peak load periods. These aren’t problems you can solve with spot readings — you need to capture what’s actually happening on the waveform over time.

The HIOKI MR8880 Memory HiCorder is purpose-built for exactly these situations. It’s a portable, field-ready data acquisition recorder designed to simultaneously monitor multiple high-voltage channels, capture transient events with precise triggering, and deliver the kind of waveform data that turns guesswork into documented evidence.

Whether you’re investigating power quality issues in a commercial switchboard, verifying motor start-up behaviour for a commissioning report, or monitoring an uninterruptible power supply (UPS) for voltage drop events, the MR8880 puts laboratory-grade recording capability into a package that fits in your tool bag.

Direct 600 V Input — Leave the Differential Probes Behind

One of the most significant practical advantages of the MR8880 is its ability to accept direct voltage input up to 600 V AC/DC at CAT III safety ratings, with CAT IV coverage at 300 V AC/DC. For Australian electricians and maintenance professionals working on 415 V three-phase commercial and industrial supplies, this means you can connect directly to the power line without needing a separate differential probe.

That’s not just a convenience — it’s a genuine time-saver on site. Fewer accessories means faster setup, less equipment to carry, and reduced risk of connection errors. The four completely isolated analog channels let you measure all three phases of a power system simultaneously, with the fourth channel free for a neutral reference, control signal, or current waveform via an optional clamp sensor.

Rugged Enough for Australian Conditions

Australian job sites test equipment in ways that many manufacturers don’t design for. Summer temperatures inside a metal switchboard can easily exceed 40°C, while winter mornings in a Tasmanian substation might start below freezing. The MR8880 is rated for an operating temperature range of -10°C to 50°C, which covers the vast majority of field conditions you’ll encounter across the country.

The instrument also arrives with standard side protectors designed to absorb impacts and vibrations — it meets JIS automotive vibration standards, which speaks to its durability in transit and on active work sites. At just 1.66 kg with the battery pack installed, it’s light enough for extended carry without fatigue, yet substantial enough to feel like a professional-grade tool.

High-Speed Capture Meets Long-Term Monitoring

The MR8880 operates in two distinct measurement modes, giving you flexibility to match the recording approach to your investigation:

High-Speed Function: When you need to capture fast transient events — motor inrush currents, relay switching transients, or voltage spikes — the high-speed mode delivers sampling rates up to 1 MS/s (1 microsecond per sample) across all four channels simultaneously. The time axis ranges from 100 µs/div to 100 ms/div across 10 selectable ranges, with a sampling period of 1/100th of the selected range. This resolution ensures you won’t miss the critical details hidden within rapid electrical events.

Real-Time Function: For longer-duration monitoring tasks — tracking voltage stability over hours, logging RMS fluctuations during equipment commissioning, or capturing intermittent faults that occur unpredictably — the real-time recording function supports intervals from 100 µs to 1 minute across 19 selectable options. Data is saved continuously with simultaneous sampling across all channels, and you can write directly to external storage media (CF card or USB memory) at rates up to 10 kS/s for extended recording sessions.

With 14-bit resolution and 1 M-word per channel memory depth (1 word = 2 bytes), the MR8880 captures waveform detail with enough precision to reveal subtle anomalies that lower-resolution instruments would miss entirely.

Intelligent Triggering That Catches What Matters

The real power of a memory recorder lies in its triggering capability. The MR8880 offers advanced trigger settings that go far beyond simple level crossing. You can configure triggers based on voltage thresholds, RMS values, peak waveform levels, or logic signal states — and the pre-trigger function captures data from before the trigger event, so you get the full context of what caused the anomaly, not just what happened after.

This is particularly valuable for power quality investigations where you need to document the sequence of events leading up to a voltage drop, sag, or transient. The built-in cursor functions then let you identify numerical values of peak currents, timing intervals, and waveform characteristics directly on the 5.7-inch colour LCD display — no PC required for initial analysis.

PRESETS Configuration — Because Time on Site Is Money

HIOKI’s patented PRESETS function addresses a common frustration with advanced test equipment: the setup complexity. Rather than navigating through multiple menu layers to configure measurement ranges, trigger levels, time bases, and recording modes manually, PRESETS lets you select your measurement application — “Measure a commercial power supply,” “Monitor a power source for a voltage drop,” and so on — and guides you through the appropriate settings with on-screen instructions.

For a busy sparkie who doesn’t use a memory recorder every day, this dramatically reduces the risk of misconfiguration and gets you capturing useful data faster. It’s the difference between spending fifteen minutes wrestling with settings and being up and recording within a couple of minutes.

Eight Logic Channels for Control Signal Analysis

Beyond the four analog channels, the MR8880 includes eight built-in logic channels as standard. When paired with an optional logic probe (such as the MR9321-01 with four isolated channels), you can simultaneously monitor control signals, PLC outputs, relay states, and other digital events alongside your voltage and current waveforms.

This is essential for troubleshooting automated systems where you need to correlate a physical event (motor start, breaker trip, valve operation) with the control signal timing. The trigger system supports AND/OR logic conditions across both analog and logic channels, enabling precise event-based capture of complex sequences.

Flexible Power Options for Any Situation

Field accessibility is central to the MR8880’s design. It supports four different power supply options to suit virtually any measurement scenario:

The included AC adapter (Z1002) operates on 100–240 V AC globally, drawing 45 VA during real-time recording. The optional rechargeable NiMH battery pack (Z1000) provides approximately three hours of continuous use with the backlight on and recharges in about three hours via the AC adapter. For quick deployments, eight AA alkaline batteries deliver roughly 40 minutes of operation. There’s also a DC power input (10–28 V DC) for vehicle-based or solar-powered applications.

When the AC adapter and battery pack are used together, the adapter takes priority while simultaneously charging the battery — a thoughtful design touch that ensures uninterrupted recording during extended monitoring sessions.

Data Management and PC Connectivity

Measurement data can be saved to CF cards (up to 2 GB) or USB memory sticks directly from the instrument. Real-time data can be written continuously to external media, and you can swap storage devices without interrupting the recording — a critical feature for multi-day monitoring tasks.

The USB 2.0 mini-B port enables direct PC connection for file transfer and remote instrument control. The optional Wave Processor 9335 software provides comprehensive waveform display, analysis, and format conversion capabilities on your computer, making it straightforward to generate professional reports and documentation for compliance records.

An optional A6-size thermal printer unit (MR9000) attaches directly to the MR8880 for printing waveform records on site — useful for immediate documentation during commissioning or fault investigation.

Extensive Current Measurement Ecosystem

While the MR8880’s built-in channels handle voltage measurement directly, HIOKI offers a comprehensive range of compatible current sensors covering everything from milliamp leakage currents to 2,000 A load currents. High-precision AC/DC sensors with frequency response up to 2 MHz are available for motor drive and inverter analysis, while simpler clamp-on probes suit general load current monitoring.

This modular approach means you can configure the MR8880 precisely for your application — whether that’s a simple three-phase voltage and current power quality study, a detailed motor start-up analysis with high-bandwidth current capture, or a combined analog and logic signal investigation on an automated production line.

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