Hioki MR8870-20


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SKU: NSKU1569 Category: Tag:

Hioki Memory HiCorders are high-speed waveform monitoring and recording devices that can simultaneously measure multiple quick-changing phenomena due to complete isolation between channels and from each channel to the ground. The MR8870 is a handheld data acquisition (DAQ) recorder built in with 2 analog channels and 2MW of memory, suitable for elevator maintenance, machine, motor and inverter fault analysis, testing and inspections.

  • MR8870-20 Memory HiCorder
  • New mode for recording RMS fluctuations in addition to instantaneous waveform mode
  • Save values in real time to a CF card
  • Record four channels at once by synchronizing two instruments with the bundled PC application
  • Compact and easy to carry
  • Easy, intuitive operation
  • Fast, 1MS/s performance despite the compact size
  • Built-in, compact-yet-sharp QVGA-TFT wide LCD
  • Number of channels: 2 analog channels 4 logic channels (standard) Note: Isolated analog channels, isolated input and frame, logic has common GND
  • Measurement ranges: 10 mV to 50 V/div (10 div full-scale), 12 ranges, Resolution: 1/100 of range
  • Max. rated voltage: Between terminals: 400 VDC, Between terminal to earth: 300 VAC, DC CAT II
  • Frequency characteristics: DC to 50 kHz (-3 dB)
  • Time axis (Memory mode): 100 µs to 5 min/div, 20 ranges,at 100 points/div resolution, three steps of time-axis magnification from ×2 to ×10, and 9 steps of time-axis compression from ×1/2 to ×1/1,000
  • Recording intervals (RMS mode): 1 ms to 1 min., 16 settings, sampling period: 200 μs (fixed) (for AC voltage/current, 1,000 RMS values/sec.), envelope mode always on. Note: Only the maximum value and minimum value for each recording interval are recorded.
  • Measurement functions: Memory recorder (high speed recording), RMS recorder (50/60 Hz, DC only)
  • Memory capacity: 12-bits × 2M-words/ch (1 word = 2 bytes)
  • Removable storage: CF card TYPE I slot ×1 (Up to 2 GB)
  • Display: 4.3-inch WQVGA-TFT color LCD (480 × 272 dots)
  • Displayable languages: English, Japanese
  • Interfaces: USB 2.0 mini-B receptacle ×1, Functionality: Connect the instrument to a PC to send files on the CF card to the PC. The instrument cannot be controlled from a PC.
  • Printer: N/A
  • Power supply:
    • AC Adapter Z1005: 100 to 240 VAC (50/60 Hz) , 30 VA max. (when using the AC adapter and charging the 9780 with the instrument)
    • Battery Pack 9780: 3 VA, continuous operating time of approx. 2 hr. (25°C reference value, when used with the Z1005, the Z1005 takes priority), charging time of 200 min. using the AC adapter (25°C reference value) (option)
    • External DC power: 10 to 16 V, 10 VA max. (connection cord of 3 m or less is available by special-order)


  • Dimensions and mass: 176 mm (6.93 in)W × 101 mm (3.98 in)H × 41 mm (1.61 in)D, 600 g (21.2 oz) (with the Battery pack 9780 installed)


Each Unit Includes

  • Instruction manual ×1
  • Measurement guide ×1
  • AC adapter Z1005 ×1
  • Strap ×1
  • USB cable ×1
  • Application disk (Dedicated program for the MR8870) ×1
  • Protection sheet 9809 ×1

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Hioki MR8870-20