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Hioki MR8827 Memory HiCorder

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Hioki Memory HiCorders are high-speed waveform monitoring and recording devices that can simultaneously measure multiple physical phenomena such as voltage, current, temperature, vibration, weight, acceleration and rotation due to complete isolation between channels and from each channel to the ground. More than just a digital oscilloscope, the MR8827 data acquisition (DAQ) recorder accommodates plug-and-play input modules to meet applications such as trial runs after the scheduled maintenance of railway cars to verify for voltage command signals, motor current, car speed, and brake pressure.

  • 32 analog + 32 logic channels to 28 analog + 64 logic channels
  • High-speed sampling up to 20MS/s with fully isolated inputs
  • Safe measurement with all isolated analog inputs
  • Large capacity memory of total 512M-words
  • Measure various system signals from high voltage to ultra low voltage simultaneously
Number of channels [16 analog input modules]: 32 analog channels +32 logic channels

[14 analog input modules + 2 logic input modules]: 28 analog channels + 64 logic

* For analog modules, channels are insulated vs. each other and vs. unit ground.

For logic modules and integrated standard logic channels, all channels use the unit ground.

Measurement ranges (20 div full-scale) [Analog unit 8966]: 5 mV/div to 20 V/div, 12 ranges, resolution : 1/100 of range (using 12-bit A/D)

[High resolution unit 8968]: 5 mV/div to 20 V/div, 12 ranges, resolution : 1/1600 of range (using 16-bit A/D)

[Digital voltmeter unit MR8990]: 100 mV f.s. to 1000 V f.s., 5 ranges, resolution : 1/1000,000 of range (using 24-bit A/D)

Max. allowable input 500 V DC (using the MR8990), 400 V DC (using the 8966/8968)


Safety Rating 300 V CAT II


Frequency characteristics DC to 5 MHz (-3 dB, using the 8966), DC to 100 kHz (-3 dB, using the 8968), N/A (using the MR8990)
Time axis (Memory function) 5 µs to 5 min/div, 26 ranges, at 100 points/div resolution
Measurement Functions Memory (high-speed recording), Recorder (real-time recording), X-Y recorder, FFT
Other Functions Numerical calculation, Waveform processing, Waveform judgment (at Memory, or FFT function)
Memory Capacity 128M-words/ch (using 4 Analog channels) to 16M-words/ch (using 32 Analog channels), Total capacity 512MW memory
Data Storage Media USB memory stick, CF card, Built-in SSD unit (option, 128GB) *Approx. 125 sec. when saving 100 MB of data

*Data of 100 MB in size can record 16,000 div waveforms across 32 channels.

Printing [Built-in A4-size printer option]: 216 mm (8.50 in) × 30 m (98.43 ft), thermal paper roll, Recording speed : Max. 50 mm (1.97 in)/s
Display 10.4 inch TFT color LCD (SVGA, 800 × 600 dots)
External Interfaces LAN: 100BASE-TX

USB 2.0 series A receptacle 2 port (for USB memory, mouse)

USB 2.0 series B receptacle (for communication to PC, mass storage)

Power Supply 100 to 240 V AC, 50/60 Hz (220 VA max., when using printer: 350 VA max.)
Dimensions and mass 401 mm (15.79 in)W × 233 mm (9.17 in)H × 388 mm (15.28 in)D (including protruding parts except handle), 12.6 kg (444.4 oz) (main unit only)
Accessories Instruction manual ×1, Power cord ×1, Application disk (CD-R) ×1, Input cord label ×1, Printer paper ×1 (when ordering printer unit), Roll paper attachment ×2 (when ordering printer unit)
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