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MEMORY HiCORDER MR8870

MEMORY HiCORDER MR8870

A Single Instrument that can Observe Waveforms Like an Oscilloscope and Record RMS Value Fluctuations

 

 

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Description

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 MR8870-20 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 2 ch

Note: Input cords and battery pack are not included. Purchase the cords appropriate for your application separately. The AC Adapter Z1005 is included as standard.

 USB2CE

Key Features MR8870

• 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

■ Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year) MR8870

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)

 

Accessories

 

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

LabVIEW and MATLAB support

Compatible models LabVIEW MATLAB script
MR8870-20 N/A N/A

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