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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)
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- 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)
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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
