MEMORY HiCORDER
MR8870
A Single Memory Recorder that can Observe Waveforms like an Oscilloscope and Record RMS Value Fluctuations
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.
Key Features
• 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)
| Number of channels | 2 analog channels + 4 logic channels (standard)
Note: Isolated analog channels, isolated input and frame, logic has common GND |
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| Measurement ranges | 10 mV to 50 V/div (10 div full-scale), 12 ranges, Resolution: 1/100 of range |
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| Max. rated voltage | Between terminals: 400 VDC, Between terminal to earth: 300 VAC, DC CAT II |
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| Frequency characteristics | DC to 50 kHz (-3 dB) |
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| 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 |
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| 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. |
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| Measurement functions | Memory recorder (high speed recording), RMS recorder (50/60 Hz, DC only) |
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| Memory capacity | 12-bits × 2M-words/ch (1 word = 2 bytes) |
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| Removable storage | CF card TYPE I slot ×1 (Up to 2 GB) |
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| Display | 4.3-inch WQVGA-TFT color LCD (480 × 272 dots) |
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| Displayable languages | English, Japanese |
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| 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. |
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| Printer | N/A |
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| 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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| 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 |
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Options
Storage media
*The CF card includes a PC card adapter.
*PC Card Precaution
Use only PC Cards sold by HIOKI. Compatibility and performance are not guaranteed for PC cards made by other manufacturers. You may be unable to read from or save data to such cards.
PC CARD 512M 9728
• 512 MB capacity • PC card adapter bundled
PC CARD 1G 9729
• 1 GB capacity • PC card adapter bundled
PC CARD 9830
• 2 GB capacity • PC card adapter bundled
Input cable (A)
*Voltage is limited to the specifications of the iput section
GRABBER CLIP 9790-02
Red/black set attaches to the ends of the Connection Cord L9790
CONTACT PIN 9790-03
Red/black set attaches to the ends of the Connection Cord L9790
CONNECTION CORD L9790
• Flexible φ 4.1 mm (0.16 in) thin dia. • Cable allowing for up to 600 V input • 1.8 m (5.91 ft) length
ALLIGATOR CLIP L9790-01
Red/black set attaches to the ends of the Connection Cord L9790
Input cable (B)
*Voltage is limited to the specifications of the iput section
GRABBER CLIP 9243
Attaches to the tip of the banana plug cable, 196 mm (7.72 in) length, CAT III 1000 V
CONNECTION CORD L9197
•φ 5.0 mm (0.20 in) dia •Cable allows for up to 600 V input •1.8 m (5.91 ft) length •Includes detachable large alligator clips
CONNECTION CORD L9198
•φ 5.0 mm (0.20 in) dia. •Cable allows for up to 300 V input •1.7 m (5.58 ft) length •Small alligator clip
Input cable (D)
*Voltage to ground is within this product's specifications. Separate power source is also required.
DIFFERENTIAL PROBE P9000
• Waveform only for exclusive use with Memory HiCorders (P9000-01) or waveform/RMS value switchable (P9000-02) • For use with input of up to 1 kV AC/DC • Requires separate power supply
AC ADAPTER Z1008
100 to 240V AC
Custom cable
*For P9000. Inquire with your Hioki distributor.
(1) Bus powered USB cable
(2) USB(A)- Micro B cable
(3) 3-prong cable
Input cable (E)
*Voltage to ground is within this product's specifications. Separate power source is also required.
DIFFERENTIAL PROBE 9322
•For up to 2 kV DC or 1 kV AC •Use with AC Adapter 9418-15 •Frequency band width up to 10MHz
AC ADAPTER 9418-15
100 to 240V AC
Logic signal measurement
* Only the small terminal types can be used.
* The 9323 is not required for the small-terminal types 9327, 9320-01, 9321-01 and MR9321-01.
LOGIC PROBE 9320-01,9320
• 4 channels for contact voltage signals • 500ns response • Miniature terminal type
CONVERSION CABLE 9323
• Used for connecting the 9320/9321/MR9321 and the 9324 to the Memory HiCorder with small logic terminal models
LOGIC PROBE MR9321,MR9321-01
• 4 isolated channels • ON/OFF detection of AC/DC voltage • Large terminal type
Up to 200 A (High precision)
AC/DC CURRENT SENSOR CT6862
• DC to 1MHz, Phase: DC to 300kHz • Rated 50A • 2V/50 A output • φ 24 mm (0.94 in) core dia.
AC/DC CURRENT SENSOR CT6863
• DC to 500 kHz, Phase: DC to 300kHz • Rated 200A • 2V/200A output • φ 24 mm (0.94 in) core dia.
AC/DC CURRENT PROBE CT6841
• Frequency characteristics DC to 1 MHz, 20A AC/DC rated, 0.1 V/A output • φ 20 mm (0.79 in) core dia.
AC/DC CURRENT PROBE CT6843
• Frequency characteristics DC to 500 kHz, 200A AC/DC rated, 0.01 V/A output • φ 20 mm (0.79 in) core dia.
CLAMP ON SENSOR 9272-10
• 1Hz to 100kHz • Phase: 5Hz to 50kHz • Rated 20A or 200A • 2V/20A, 2V/200A output • φ 46 mm (1.81 in) core dia.
Up to 1000 A (High precision)
AC/DC CURRENT SENSOR 9709
• DC to 100kHz • Phase: DC to 100kHz • Rated 500A • 2V/500A output • φ 36 mm (1.42 in) core dia.
AC/DC CURRENT PROBE CT6844
• DC to 200 kHz • 500 A AC/DC rated • 4 mV/A output • φ 20 mm (0.79 in) core dia.
AC/DC CURRENT PROBE CT6845
• DC to 100 kHz • 500 A AC/DC rated • 4 mV/A output • φ 50 mm (1.79 in) core dia.
AC/DC CURRENT PROBE CT6846
• DC to 20 kHz • 1000 A AC/DC rated • 2 mV/A output • φ 50 mm (1.79 in) core dia.
Power supply
SENSOR UNIT 9555-10
• Power supply for current sensors when used alone
CONNECTION CORD L9217
Cord has insulated BNC connectors at both ends, 1.6 m (5.25 ft) length
100 A to 2000 A (Medium speed) A
AC/DC CURRENT SENSOR CT7631
・ DC to 10kHz (-3dB) ・Rated 100 A AC/DC ・ 1mV/A output ・φ 33 mm (1.30 in) core dia.
AC/DC CURRENT SENSOR CT7636
・ DC to 10kHz (-3dB) ・Rated 600 A AC/DC ・ 1mV/A output ・φ 33 mm (1.30 in) core dia.
AC/DC CURRENT SENSOR CT7642
・ DC to 10kHz (-3dB) ・Rated 2000 A AC/DC ・ 0.1mV/A output ・φ 55 mm (1.30 in) core dia.
AC/DC AUTO-ZERO CURRENT SENSOR CT7731
・ DC to 5 kHz (-3dB) ・ Rated 100 A AC/DC ・ 1mV/A output ・φ 33 mm (1.30 in) core dia.
AC/DC AUTO-ZERO CURRENT SENSOR CT7736
・ DC to 5 kHz (-3dB) ・ Rated 600 A AC/DC ・1mV/A output ・φ 33 mm (1.30 in) core dia.
AC/DC AUTO-ZERO CURRENT SENSOR CT7742
・ DC to 5 kHz (-3dB) ・ Rated 2000 A AC/DC ・ 0.1mV/A output ・φ 55 mm (1.30 in) core dia.
DISPLAY UNIT CM7290
• Use with CT7600s/7700s • DCA, ACA, (DC+AC)A, frequency • Output: WAVE, RMS, PEAK, Hz • Power supply for single sensor
100 A to 2000 A (Medium speed) B
CLAMP ON AC/DC SENSOR CT9691
• DC to 10 kHz (-3dB) • 100 A AC/DC rated input • 200 mV/f.s. output via the CT6590 • φ 35 mm (1.30 in) core dia.
CLAMP ON AC/DC SENSOR CT9692
• DC to 20 kHz (-3dB) • 200 A AC/DC rated input • 200 mV/f.s. output via the CT6590 • φ 33 mm (1.30 in) core dia.
CLAMP ON AC/DC SENSOR CT9693
• DC to 15 kHz (-3dB) • 2000 A AC/DC rated input • 200 mV/f.s. output via the CT6590 • φ 55 mm (2.17 in) core dia.
SENSOR UNIT CT6590
• Voltage output for CT9691/9692/9693 • Power supply for a single sensor
500 A to 5000 A
*For commercial power lines, 50/60 Hz
CLAMP ON PROBE 9018-50
• Excellent phase characteristics • 40 Hz to 3 kHz • 10 to 500A AC • 0.2V AC/range output • φ 46 mm (1.81 in) core dia.
CLAMP ON PROBE 9132-50
• Use for level measurement • 40 Hz to 1 kHz • 20 to 1000A AC • 0.2 V AC/range output • φ 55 mm (2.17 in) core dia.
AC FLEXIBLE CURRENT SENSOR CT9667
• 10 Hz to 20 kHz (±3dB) • 5000 A/ 500 A AC rated input • 500 mV/f.s. output • φ 100 mm (3.94 in) core dia. to φ 254 mm (10.00 in), 3 loop diameters
Leak Current
*For commercial power lines, 50/60 Hz
OUTPUT CORD 9094
3.5 mm (0.14 in) dia. mini plug to banana, 1.5 m (4.92 ft) length
CONVERSION ADAPTER 9199
Receiving side banana, output BNC terminal
AC ADAPTER 9445-02
For USA, 100 to 240 V AC, 9 V/ 1 A
AC ADAPTER 9445-03
For EU 100 to 240 V AC, 9 V/ 1 A
CLAMP ON LEAK HiTESTER 3283
• True RMS • AC leak current and load current testing • 10 mA leak current range with 10 µA resolution • Load current up to 200 A
Power supply
*Z1005 is a bundled accessory
BATTERY PACK 9780
NiMH, Charges while installed in the main unit
AC ADAPTER Z1005
100 to 240 V AC
Other options
*The 9809 is a bundled accessory
PROTECTION SHEET 9809
For LCD protection, pairs of sheets
CARRYING CASE 9782
Includes compartment for options, resin-coated
SOFT CASE 9812
Includes space for small items, neoprene rubber
CONNECTION CORD L9217
Cord has insulated BNC connectors at both ends, 1.6 m (5.25 ft) length
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