Product Details
MR8847A Memory Recorder
Memory Recorder >= 16 Channels

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Category:Memory Recorders/Loggers


(64MW memory, main unit only)


(256MW memory, main unit only)


(512MW memory, main unit only)

Key Features

Supports a wide variety of measurements with total of 13 plug-in modules (5 new modules added) Generate and record in a single unit Direct 1000 V high voltage input testing High-speed sampling up to 20MS/s with fully isolated inputs 16 analog + 16 logic channels to 64 logic + 10 analog channels High-speed sampling with waveform judgment function Soil-resistant construction strong against adverse working environments Big buttons coated to withstand industrial oil and residue Drop-in paper loading and one-touch setup, along with high-speed 50mm/s printing

Number of channels

[8 analog input modules]: 16 analog channels + 16 logic channels (standard)

[5 analog input modules + 3 logic input modules]: 10 analog channels + 64 logic channels (standard 16 channels + 48 channels in logic input modules)

* 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)

5 mV to 20 V/div, 12 ranges, resolution : 1/100 of range (using the 8966)

5 mV to 50 V/div, 5 ranges, resolution : 1/1 000 000 of range (using the MR8990)

200 mV to 50 V/div, 8 ranges, resolution : 1/1600 of range (using the U8794)

Max. allowable input

400 V DC (using the 8966/8968), 500 V DC (using the MR8990), 1000 V DC (using the U8974)

Frequency characteristics (-3dB)

DC to 5 MHz (using the 8966), DC (using the MR8990), DC to 100 kHz (using the U8794)

Time axis (Memory function)

5 s to 5 min/div (100 samples/div) 26 ranges, External sampling

(100 samples/div, or free setting), Time axis zoom: x2 to x10 in

3 stages, compression: 1/2 to 1/200 000 in 16 stages

Measurement functions

MEMORY (high-speed recording), RECORDER (real-time recording),

X-Y RECORDER (X-Y real-time recording), FFT

Other functions

Waveform judgment (at Memory or FFT function)

Memory capacity

MR8847-51: Total 64 M-words (Memory expansion: none)

32 MW/ch (using 2 Analog channels), to 4 MW/ch (using 16 Analog channels)

MR8847-52: Total 256 M-words (Memory expansion: none)

128 MW/ch (using 2 Analog channels), to 16 MW/ch (using 16 Analog channels)

MR8847-53: Total 512 M-words (Memory expansion: none)

256 MW/ch (using 2 Analog channels), to 32 MW/ch (using

16 Analog channels)

Removable storage

CF card slot (standard) 1 (up to 2GB, FAT, or FAT-32 format), SSD (128 GB, optional), USB memory stick (USB 2.0)


216 mm (8.50 in) 30 m (98.43 ft), thermal paper roll, Recording speed : Max. 50 mm (1.97 in)/s


10.4 inch TFT color LCD (SVGA, 800 600 dots)

Displayable languages

English, Japanese, Korean, Chinese

External interfaces

[LAN] 100BASE-TX (FTP server, HTTP server)

[USB] USB2.0 compliant, series A receptacle 1, series B receptacle 1, (File transfer internal drive/CF card to PC, or remote control from PC)

Power supply

100 to 240 V AC, 50/60 Hz (130 VA max., when using printer: 220 VA max.)

10 to 28 V DC (when using the optional factory-installed DC power unit 9784)

Dimensions and mass

351 mm (13.82 in) W 261 mm (10.28 in) H 140 mm (5.51 in) D,

7.6 kg (268.1 oz) (main unit only)


Instruction manual 1, Measurement guide 1, Application disk (Wave viewer Wv, Communication commands table) 1, Power cord 1, Input cord label 1, USB cable 1, Printer paper 1, Roll paper attachment 2, Ferrite clamp 1

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