MEMORY HiCORDER

MR8741

Single-device Solution for Waveform Recording and Generation,
High-speed 16-channel/Isolated Multi-channel System Recorders (rack-mounted)

"The MR8741 is rack-mountable data acquisition system that delivers high-speed, multi-channel measurements over maximum of 16 channels. The MR8990 DVM module is a 2-channel input unit for the MR8741 for measuring minute fluctuations in output from sensors in automobiles and other equipment and voltage fluctuations in devices such as batteries at high levels of precision and resolution. Use with the Arbitrary Waveform Generator Unit U8793 to create a function generator, arbitrary waveform generator, and waveform measurement in a single device. Key Features • Introducing the DVM Unit MR8990 with high 24-bit resolution! Perform high-speed, high-accuracy measurement without going through a scanner. • Support for multi-channel measurement (MR8741: up to 16 ch) • Isolated input (between input channels; input-to-chassis isolation: maximum input-to-ground rated voltage of 300 V AC/DC) • High-speed sampling (max. 20 MS/s) • Ideal for rack-mounting (4U height/within 180 mm; display-less, box-type design) • Display waveforms and make settings on a DVI-D connected monitor and mouse • Remote measurement via LAN using control commands from a PC *Screen monitoring and remote operation available via Internet browser. For faster and more convenient remote operation, we recommend using the Hioki 9333 LAN Communicator."

Model No. (Order Code)

MR8741 Max. 16ch, 256MW memory, main unit only

Main unit MR8740/MR8741 cannot operate alone. Use up to 4 units of 8971 with MR8740; not compatible with MR8741.

Guarantee3years
LAN
USB2
CE

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

Max. Number of channels16 ch analog + 16 ch logic, or 10 ch analog + 64 ch logic (when used with built-in logic input + plug-in logic unit 8973 × 3)
Number of slots8 slots (Max. 8)

[Limitation on number of slots] cannot use Current Unit 8971 When using the Logic Unit 8973: Max. 3
Number of logic channels16 ch logic (Logic probe terminal GND share a common GND with chassis. ) on condition that DVM Unit MR8990 is used on slots 1 and 2, cannot use built-in logic input

[Limitation on using built-in logic input] (with logic measurement ON)
• Measurement resolution on slots 1 and 2 is limited up to 12 bits
• Cannot use Frequency Unit 8970 on slots 1 and 2
Measurement ranges (20 div full scale)5 mV to 20 V/div, 12 ranges, resolution : 1/100 of range (when using 8966)
5 mV to 50 V/div, 5 ranges, resolution : 1/50,000 of range (when using MR8990)
Max. allowable input400 V DC (when using 8966; upper limit voltage that can be applied between input terminals without damage)
Max. rated voltage to earth300 V AC/DC (input and instrument are isolated; between input channels and chassis; upper limit voltage that can be applied between input channels without damage)
Frequency characteristicsDC to 5 MHz (-3 dB, when using 8966)
Time axis (MEMORY operation)5 µs to 5 min/div; 26 ranges; time axis resolution: 100 points/div; time axis expansion: 3 stages from ×2 to ×10; compression: 13 stages from 1/2 to 1/20,000
Measurement functionsMemory (high-speed recording), FFT, Recorder
Memory capacity16 MW/ch (fixed), total of 256 MW installed
Removable storageUSB memory stick (USB 2.0)
DisplayNone (1 digital DVI terminal, 800 × 600 dots)
External interfaces[LAN] 100Base-TX (DHCP and DNS support, FTP server, HTTP server)
[USB] USB 2.0 Series A receptacle × 2 (mouse operation)
Power supply100 to 240 V AC, 50/60 Hz (120 VA max.)
Dimensions and mass350 mm (13.78 in)W × 160 mm (6.30 in)H × 320 mm (12.60 in)D, 5.4 kg (190.5 oz) (main unit only)
AccessoriesInstruction manual ×1, Application disk (Wave viewer Wv, Communication commands table) ×1, Power cord ×1

LabVIEW and MATLAB support

Compatible modelsLabVIEWMATLAB script
MR8740AvailableAvailable
MR8741AvailableAvailable

Log into your myHioki account to access more technical documents and information where available.

Seminar Videos On Demand

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Seminar Schedule

Registration Open

AABC Europe - Strasbourg, France

Jan 27, 2019 - Jan 31, 2019

Catalogs

Catalog: iPad App for Memory HiCorder HMR Terminal Download PDF  [1MB] English
Catalog: MEMORY HiCORDER MR8740, MR8741 Download PDF  [4MB] English
Catalog: Waveform Generator System U8793,MR8847A Download PDF  [2MB] English
Catalog: Digital Multi-Module (DMM) Station MR8990+MR8741/MR8740 Download PDF  [2MB] English

User Guides

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Manuals

If you can not download, log into your myHioki account to access more technical documents and information where available.


Instruction Manual English
Ver.07

Outline Drawings

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Ver.05

Technical Notes

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Declaration of Conformity


Ver.05

Others

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Options

Storage media

Use only CF Cards or USB drives sold by HIOKI. Compatibility and performance are not guaranteed for CF cards/USB memory sticks made by other manufacturers. You may be unable to read from or save data to such cards.

USB DRIVE Z4006

16 GB, Long-life, High-reliability SLC Flash Memory

Input modules

*Input cords are not included. Please purchase them separately.

*The 8971 not compatible with MR8741

ANALOG UNIT 8966

• 2 ch, instantly waveforms • DC to 5 MHz bandwidth

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TEMP UNIT 8967

• 2 ch, Temperature • Thermocouple input

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HIGH RESOLUTION UNIT 8968

• 2 ch, high resolution measurement • DC to 100 kHz bandwidth

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FREQ UNIT 8970

• 2 ch, Rotation, Frequency • DC to 100 kHz

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DC/RMS UNIT 8972

• 2 ch, instantly waveform/RMS • DC to 400 kHz bandwidth • RMS: DC and 30 to 100 kHz

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LOGIC UNIT 8973

• 16 ch, logic signal • up to four logic probes

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DIGITAL VOLTMETER UNIT MR8990

・ For minute voltage measurement ・ Max. 0.1 μV resolution ・ 500 times/s sampling

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HIGH VOLTAGE UNIT U8974

・ 2 ch, High-voltage input ・ Max. 1000 VDC, 700 VAC rms ・ DC to 100 kHz bandwidth

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STRAIN UNIT U8969

• 2 ch, acceleration, load, pressure or strain • Strain gauge converter amp

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Output modules

* Input cords not included. Please purchase separately.

WAVEFORM GENERATOR UNIT MR8790

・4 ch ・±10 V DC output ・1 Hz to 20 kHz sine waveform output

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PULSE GENERATOR UNIT MR8791

・8 ch ・0.1 Hz to 20 kHz pulse ・Pattern output

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ARBITRARY WAVEFORM GENERATOR UNIT U8793

・Arbitrary waveform generator ・10 mHz - 100kHz FG ・Max.15 V output

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Output cable

* Please contact your local HIOKI distributor for connectors that support Model MR8791.

CONNECTION CABLE L9795-01

Max. rated voltage to earth: 33 Vrms AC or 70 V DC, SMB to alligator clip, 1.5 m (4.92 ft) length

CONNECTION CABLE L9795-02

Max. rated voltage to earth: 33 Vrms AC or 70 V DC, SMB to BNC terminal, 1.5 m (4.92 ft) length

Input cable (A)

*Voltage is limited to the specifications of the input modules in use

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

CONTACT PIN 9790-03

Red/black set attaches to the ends of the Connection Cord L9790

GRABBER CLIP 9790-02

Red/black set attaches to the ends of the Connection Cord L9790

Input cable (B)

*Voltage is limited to the specifications of the input modules in use

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

GRABBER CLIP 9243

Attaches to the tip of the banana plug cable, Red/ Black: 1 each, 196 mm (7.72 in) length, CAT III 1000 V

Input cord (C)

* This probe does not expand the maximum rated voltage above ground of an isolated input.

10:1PROBE 9665

・1 kV rms Max. (500 kHz or less) ・Max. rated voltage to earth depends on input unit.

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100:1PROBE 9666

・5 kV peak Max. (1 MHz or less) ・Max. rated voltage to earth depends on input unit.

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Input cord (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

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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

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AC ADAPTER 9418-15

100 to 240V AC

Input cable (F)

* Voltage input via banana terminals limited by the voltage specifications of the respective input unit.

CONNECTION CABLE SET L4940

Banana plug - banana plug, 1.5 m (4.92 ft) length, red/black each 1

EXTENSION CABLE SET L4931

Expands the length of the cable with banana plug, 1.5 m (4.92 ft) length

ALLIGATOR CLIP SET L4935

Attaches to the tip of the banana plug cable, CAT IV 600V, CAT III 1000V

BUS BAR CLIP SET L4936

Attaches to the tip of the banana plug cable, CAT III 600V

MAGNETIC ADAPTER SET L4937

Attaches to the tip of the banana plug cable, CAT III 1000V

GRABBER CLIP 9243

Attaches to the tip of the banana plug cable, Red/ Black: 1 each, 196 mm (7.72 in) length, CAT III 1000 V

Input cable (G)

* For the MR8990 *Voltage is limited to the specifications of the input modules in use

TEST LEAD L2200

70 cm (2.30ft) length, detachable large alligator clips or needle tips are bundled, CAT IV 600V, CAT III 1000V

Non-contact voltage measurement

NON-CONTACT AC VOLTAGE PROBE SP3000

Sold individually

NON-CONTACT AC VOLTAGE PROBE SP3000

• Supports φ1mm to 2.5mm covered wires • 10Hz to 100kHz frequency bandwidth • 5Vrms 14Vp-p rated measurement voltage

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AC VOLTAGE PROBE SP9001

Sold individually

Other options for input

CONNECTION CORD L9217

Cord has insulated BNC connectors at both ends, 1.6 m (5.25 ft) length

CONNECTION CORD 9165

Cord has metallic BNC connectors at both ends, use at metallic terminal, 1.5 m (4.92 ft) length

CONVERSION ADAPTER 9199

Receiving side banana, output BNC terminal

CONVERSION CABLE 9318

To connect the CT6841-6846, CT6865/63/62, 9709, 9272-10 to the 8971/40/51, 38 cm (14.96 in) length

Temperature sensor

*For reference only. Please purchase locally.

Thermocouple

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 9327

• 4 channels for contact voltage signals • High-speed 100ns response

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LOGIC PROBE 9320-01

• 4 channels for contact voltage signals • 500ns response • Miniature terminal type

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LOGIC PROBE MR9321-01

• 4 isolated channels • ON/OFF detection of AC/DC voltage • Large terminal type

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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

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Up to 200 A (High precision)

*A separate power supply (CT955x) is required in order to use a high-precision current sensor.

*Only sensors with ME15W (12-pin) terminals (-05 type) can be connected to the CT955x. *The separately available Conversion Cable CT9900 is required in order to use a sensor with PL23 (10-pin) terminal.

AC/DC CURRENT SENSOR CT6862-05

• DC to 1MHz (Phase: up to 300kHz) • Rated 50A AC/DC • φ 24 mm (0.94 in) core dia.

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AC/DC CURRENT SENSOR CT6863-05

• DC to 500kHz (Phase: up to 300kHz) • Rated 200A AC/DC • φ 24 mm (0.94 in) core dia.

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AC/DC CURRENT PROBE CT6841-05

• DC to 1MHz (Phase: up to 300kHz) • Rated 20A AC/DC • φ 20 mm (0.79 in) core dia.

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AC/DC CURRENT PROBE CT6843-05

• DC to 500kHz (Phase: up to 300kHz) • Rated 200A AC/DC • φ 20 mm (0.79 in) core dia.

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CLAMP ON SENSOR 9272-05

• 1Hz to 100kHz (Phase: 5Hz to 50kHz) • Rated 20A/200A AC/DC • φ 46 mm (1.81 in) core dia.

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Up to 1000 A (High precision)

*A separate power supply (CT955x) is required in order to use a high-precision current sensor.

*Only sensors with ME15W (12-pin) terminals (-05 type) can be connected to the CT955x. *The separately available Conversion Cable CT9900 is required in order to use a sensor with PL23 (10-pin) terminal.

AC/DC CURRENT SENSOR 9709-05

• DC to 100kHz (Phase: up to 100kHz) • Rated 500A AC/DC • φ 36 mm (1.42 in) core dia.

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AC/DC CURRENT PROBE CT6844-05

• DC to 200kHz (Phase: up to 200kHz) • Rated 500A AC/DC • φ 20 mm (0.79 in) core dia.

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AC/DC CURRENT PROBE CT6845-05

• DC to 100kHz (Phase: up to 100kHz) • Rated 500A AC/DC • φ 50 mm (1.79 in) core dia.

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AC/DC CURRENT PROBE CT6846-05

• DC to 20kHz (Phase: up to 20kHz) • Rated 1000A AC/DC • φ 50 mm (1.79 in) core dia.

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PL23 (10-pin) - ME15W (12-pin) conversion

*The separately available Conversion Cable CT9900 is required in order to use a sensor with PL23 (10-pin) terminal

CONVERSION CABLE CT9900

Convert PL23 (10-pin) terminal to ME15W (12-pin) terminal

POWER SUPPLY for Current Sensors

*A separate power supply (CT955x) is required in order to use a high-precision current sensor.

*Only sensors with ME15W (12-pin) terminals (-05 type) can be connected to the CT955x. *The separately available Conversion Cable CT9900 is required in order to use a sensor with PL23 (10-pin) terminal.

SENSOR UNIT CT9555

• Power supply for current sensors when used alone • 1ch, with Waveform output

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SENSOR UNIT CT9556

• Power supply for current sensors when used alone • 1ch, with Waveform/RMS output

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SENSOR UNIT CT9557

• Power supply for current sensors when used alone • 4ch, with Waveform/Total Waveform/Total RMS output

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CONNECTION CORD L9217

Cord has insulated BNC connectors at both ends, 1.6 m (5.25 ft) length

Directly connect currents sensors

*The separately available Conversion Cable CT9901 is required in order to use a high-precision current sensor equipped with a ME15W (12-pin) terminal (-05 type) with the Current Measuring Module 8971 (which is designed for use with the MR8847, MR8827, and MR8740).

*While the CT955x is not required in order to use a sensor equipped with a PL23 (10-pin) terminal with the 8971 or 8940, the Conversion Cable 9318 (which comes with the 8971) is required for that setup.

CURRENT UNIT 8971

• 2 ch, measuring current • DC to 400 kHz bandwidth • Direct connectable with current sensors

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CONVERSION CABLE 9318

To connect the CT6841-6846, CT6865/63/62, 9709, 9272-10 to the 8971/40/51, 38 cm (14.96 in) length

CONVERSION CABLE CT9901

ME15W (12 pin) to PL23 (10 pin) connector

Precautions when connecting a high-precision current sensor to a Memory HiCorder

Connecting to the MR8847A / MR8827 / MR8740
• High-precision current sensor (ME15W) + CT9901 + 9318 → CURRENT UNIT 8971
• High-precision current sensor (ME15W) + CT955x + BNC cable → except CURRENT UNIT 8971
• High-precision current sensor (PL23) + 9318 → CURRENT UNIT 8971
• High-precision current sensor (PL23) + CT9900 + CT955x + BNC cable → except CURRENT UNIT 8971
Connecting to the MR8741
• High-precision current sensor (ME15W) + CT955x + BNC cable → except CURRENT UNIT 8971
• High-precision current sensor (PL23) + CT9900 + CT955x + BNC cable → except CURRENT UNIT 8971
Note: CURRENT UNIT 8971 is not compatible with the MR8741

10 mA class to 500 A (High speed)

CLAMP ON PROBE 3273-50

• DC to 50MHz (−3dB) • 30 Arms maximum • φ 5 mm (0.20 in) Core dia.

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CLAMP ON PROBE 3276

• DC to 100 MHz (−3dB) • 30 Arms maximum • φ 5 mm (0.20 in) Core dia.

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CLAMP ON PROBE 3274

• DC to 10MHz (−3dB) • 150 Arms maximum • φ 20 mm (0.79 in) Core dia.

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CLAMP ON PROBE 3275

• DC to 2MHz (−3dB) • 500 Arms maximum • φ 20 mm (0.79 in) Core dia.

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Power supply

* Necessary for using the 3270 seies current probes

POWER SUPPLY 3272

• Single sensor connectable

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POWER SUPPLY 3269

• Up to 4 current sensors connectable

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100 A to 2000 A (Medium speed)

The CM7290 (available separately) is required in order to use these current sensors.

AC/DC CURRENT SENSOR CT7631

・ DC to 10kHz (-3dB) ・Rated 100 A AC/DC ・φ 33 mm (1.30 in) core dia.

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AC/DC CURRENT SENSOR CT7636

・ DC to 10kHz (-3dB) ・Rated 600 A AC/DC ・φ 33 mm (1.30 in) core dia.

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AC/DC CURRENT SENSOR CT7642

・ DC to 10kHz (-3dB) ・Rated 2000 A AC/DC ・φ 55 mm (2.17 in) core dia.

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DISPLAY UNIT CM7290

• Use with CT7000 series • DCA, ACA, (DC+AC)A, frequency • WAVE, RMS, PEAK, Hz output

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OUTPUT CORD L9095

Connect to BNC terminal, 1.5 m (4.92 ft) length

AC/DC AUTO-ZERO CURRENT SENSOR CT7731

・ DC to 5 kHz (-3dB) ・ Rated 100 A AC/DC ・φ 33 mm (1.30 in) core dia.

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AC/DC AUTO-ZERO CURRENT SENSOR CT7736

・ DC to 5 kHz (-3dB) ・ Rated 600 A AC/DC ・φ 33 mm (1.30 in) core dia.

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AC/DC AUTO-ZERO CURRENT SENSOR CT7742

・ DC to 5 kHz (-3dB) ・ Rated 2000 A AC/DC ・φ 55 mm (2.17 in) core dia.

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DISPLAY UNIT CM7291

• Built in Bluetooth(R) wireless technology • Use with CT7000 series • DCA, ACA, (DC+AC)A, frequency • WAVE, RMS, PEAK, Hz output

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PC software

LAN COMMUNICATOR 9333

• For LAN communication with the Memory HiCorder • Data collection and remote control

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WAVE PROCESSOR 9335

• For the Memory HiCorder • Convert data, print and display waveforms

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iPad App for Memory HiCorder HMR Terminal

• For Memory HiCorder • (Exclusively for Apple Inc. iPad) Free download from the App Store

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LAN CABLE 9642

Straight Ethernet cable, supplied with straight to cross conversion adapter, 5 m (16.41 ft) length

FlexPro

• Third party software • For detailed analysis of Memory HiCorder data

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