NI Quarterly

CompactDAQ

Ruggedly simple data acquisition for sensors

CompactDAQ is a modular data acquisition system engineers use for product validation and to make measurements of electrical and sensor-based signals. A complete system requires:

A USB or Ethernet CompactDAQ chassis connected to a computer
Hot-swappable modules
Data acquisition software (included free) or custom software developed with drivers for LabVIEW, Python, or C/C++.

Key Applications

Electromechancial validation
Component test
Motor/pump test
Structrual and durability test
Noise, vibration, and harshness test (NVH)
Research measurements

Cycle test systems
Performance benchmarks
Power and thermal tests
Power and battery characterization
HALT/HASS measurements
Sensor measurements

Why engineers use CompactDAQ?

Rugged

Get out of the air conditioned lab and into the field with a -40°C to 70°C operating temp range and 50g/5g shock/vibe ratings.

Future-proof

Keep up with change by using modular hardware. Customise your system for today and adjust modules, chassis, or software in the future as your needs change.

High-Speed DAQ

NI is known for high-speed data acquisition, precise measurements, and synchronization technology. Select modules with up to 1 MS/s/Ch - many with simultaneous architectures - to find more electromechanical issues with your product design.

Select Your Modules

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type
Start here. General purpose.	785184-01	250 kS/s	16/32	16 bits	±10 V, ±5 V, ±1 V, ±10 V, ±200m V	Spring terminal
Faster sample rate with simultaneous sampling.	785188-01	100 kS/s/ch	16/0	16 bits	±10 V	Spring terminal
24-bit resolution. 250 V ch-ch isolation.	779593-01	50 kS/s/ch	4/0	24 bits	±10 V	Screw terminal
60 V input range	779785-01	50 kS/s/ch	4/0	24 bits	±60 V	Screw terminal
Lowest cost simultaneous sampling	783739-01	100 kS/s/ch	4/0	16 bits	±10 V	Spring terminal
Highest speed simultaneous sampling	781398-01	1 MS/s/ch	4/0	16 bits	±10 V	Screw terminal
Medium speed, medium cost.	781397-01	500 kS/s/ch	4/0	16 bits	±10 V	Screw terminal
Selectable filter, noise rejection	784400-01	10 kS/s/ch	16/0	24 bits	±10 V	Spring terminal
Low cost, high-speed 12-bit	783730-01	500 kS/s	0/8	12 bits	±10 V	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Front Connection Type
Low Cost Thermocouple	785043-01	14 S/s	4	Spring terminal
Ch-Ch Isolated Thermocouple	782975-01	95 S/s/ch	8	Screw terminal
Thermocouple (most popular)	785185-01	75 S/s	16	Spring terminal
Higher accuracy thermocouple	781510-01	68 S/s	16	Screw terminal
0-400 mOhm RTD	785186-01	400 S/s	8	Spring terminal
0-4000 mOhm RTD	785189-01	400 S/s	8	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Input Voltage Range	Front Connection Type
Start Here. Most popular.	779680-01	51.2 kS/s/ch	4	±5 V	BNC
2x faster sample rate, 30 V range	784397-01	102.4 kS/s/ch	3	±30 V	BNC
More channels/module	783610-01	51.2 kS/s/ch	8	±5 V	10-32 Coaxial
Lowest Cost.	784396-01	12.8 kS/s/ch	3	±30 V	BNC

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Bridge Configurations	Analog Input Voltage Range	Front Connection Type
Start here. General purpose.	780264-01	50 kS/s/ch	4	Full-, 1/4-, 1/2-bridge	±25 mV/V	D-SUB (add accessory PN 781503-01)
Lower cost/channel for 1/4-bridge gages	785995-01	10 kS/s/ch	8	1/4 bridge	±29.4 mV/V	Spring terminal

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Input Current	Front Connection Type	Analog Input Isolation
Start here. General purpose.	783731-01	200 kS/s	8	16 bits	±20 mA	Spring terminal	250 Vrms Ch-Earth Ground Isolation
5A input range	781099-01	50 kS/s/ch	4	24 bits	0 Arms to 5 Arms	Screw terminal	250 Vrms Ch-Ch Isolation
Connect to CT secondary	783920-01	50 kS/s/ch	3	24 bits	0 Arms to 20 Arms	Ring terminals	480 Vrms Ch-Ch Isolation

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Output Resolution	Analog Output Voltage Range	Front Connection Type	Analog output isolation
Start here. General purpose.	785190-01	25 kS/s/ch	16	16 bits	±10 V	Spring terminal	250 Vrms bank isolation
Lower cost and channels. Faster.	783740-01	100 kS/s/ch	4	16 bits	±10 V	Spring terminal	250 Vrms Ch-Earth ground isolation
Ch-Ch Isolated Output, 40 V range.	781098-01	100 kS/s/ch	4	16 bits	±10 V	Screw terminal	250 Vrms Ch-Ch isolation

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type	Safety Voltages
Add multiple measurements that need one channel each. Voltage, Current, Thermocouple, RTD, Strain, Resistance, Strain-gages	785994-01	100 S/s/ch	4	24 bits	±60 V, ±15 V, ±4 V, ±1 V, ±125 mV	Spring terminal	250 Vrms Ch-Ch isolation
High-speed universal module. Voltage, current, accelerometers, microphones, current, and bridge measurements.	783362-01	51.2 kS/s/ch	2	24 bits	±16 V, ±65 mV	DSUB (See accessory guide pg 5)	±30 V pin-pin (max working) 60 VDC CAT I ch-ch, ch-Vsup (continuous isolation)

Selection Criteria	PN	Max Sample Rate	Channels (DI/SE)	Analog Input Resolution	Analog Input Voltage Range	Front Connection Type	Safety Voltages
120/240 AC voltage for electronics	783107-01	50 kS/s/ch	4	24 bits	250 Vrms L-N, 400 Vrms L-L	Screw terminal	250 Vrms L-N, 400 VRMS L-L (max working) 250 V RMS CAT III (max working channel-to-earth ground)
240/480 AC voltage for electronics	783106-01	50 kS/s/ch	4	24 bits	400 Vrms L-N, 400 Vrms L-L	Screw terminal	400 Vrms L-N, 800 VRMS L-L (max working) 400 V RMS CAT III (max working channel-to-earth ground)
Ch-Ch Isolation	780159-01	50 kS/s/ch	3	24 bits	300 Vrms	Screw terminal	300 Vrms CAT II (max working) 2,300 Vrms Ch-to-earth ground (5 sec withstand)

Digital Style	PN	Digital I/O Logic Levels	Channels	Front Connection Type	Digital I/O Isolation
Sinking Input Sourcing Output	785192-01	12 V, 24 V	16/6	Spring terminal	250 Vrms Ch-Earth Ground Isolation
All combinations of sinking/sourcing, input/output	779351-01	5 V TTL	8 bidirectional	D-SUB (Purchase accessory PN 781922-01)	250 Vrms Ch-Earth ground isolation
All combinations of sinking/sourcing, input/output	779787-01	5 V TTL	32 bidirectional	D-SUB (Purchase accessory PN 781503-01)	60 VDC Ch-Earth Ground Isolation
Sinking Input	783734-01	12 V, 24 V	8 inputs	D-SUB (Purchase accessory PN 781503-01)	60 VDC Ch-Earth Ground Isolation
Sinking Input	785044-01	12 V, 24 V	32 inputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Sourcing Output	783907-01	12 V, 24 V	8 outputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Sourcing Output	785045-01	12 V, 24 V	32 outputs	Spring terminal	250 Vrms Ch-Earth Ground Isolation
Mechanical Relay	783906-01	-	4 Relays	Spring terminal	250 VAC, 60 VDC

Connection to Computer	PN	Number of Module Slots	External Trigger	Operating Temperature
USB (most popular USB chassis) - requires power cord. See below.	781157-01	4	No	-20 °C to 55 °C
USB - bus powered. No power cord required.	781425-01	1	No	-20 °C to 55 °C
USB - requires power cord. See below.	781156-01	8	Yes	-20 °C to 55 °C
Ethernet - requires power cord. See below.	781496-01	1	No	-0 °C to 55 °C
Ethernet (most popular Ethernet chassis) - requires power cord. See below.	785064-01	4	Yes	-40 °C to 70 °C
Ethernet - requires power cord. See below.	785065-01	8	Yes	-40 °C to 70 °C

Required Accessory - Power Cord	PN
United Kingdom 240VAC (2.5m)	763064-01
United States 120VAC (2.3m)	763000-01
Swiss 220VAC (2.5m)	763065-01
Australia 240VAC (2.5)	763066-01
North America 240VAC (3m)	763068-01
Japan 125VAC (2.3m)	763634-01
Korea 220VAC (2.5m)	784685-01
China 220VAC (2.5m)	784686-01
Brazil 127/220VAC (2.5m)	785626-01

NI Software for Data Acquisition

Included Software

Log data with NI FlexLogger Lite. DAQ software you use to:

Configure voltage, current, and sensor channels on CompactDAQ
Build a customizable real-time display with charts, and graphs
Log data to .csv file (Excel), or .tdms file for high-speed data

Develop your own measurement applications with APIs and example programs for:

LabVIEW
Python
C/C++, C#
VB.NET.

Customize and Automate with LabVIEW

LabVIEW is a graphical programming software designed for test and measurement. Pair CompactDAQ with LabVIEW to:

Add logic and analysis
Control benchtop instruments like power supplies and scopes
Generate simulated signals using voltage or current output modules
Build a more advanced, highly customizable user interface
Integrate Python and C code to get the best of both tools. LabVIEW for DAQ, UI, and instrument control, and Python/C for analysis scripts and vast libraries of existing code.

Download Helpful Resources

CompactDAQ System Build Guide

This guide covers system elements such as chassis and module selection, mechanical mounting, software development, and system operation.

CompactDAQ Chassis Mounting Accessory Guide

Use this guide to find the right accessory to mount your CompactDAQ system on DIN-rail, in industrial enclosures, or make it easier to use on your workbench.

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NI's future with Emerson is bright

We are now part of Emerson's new test and measurement business group, and our commitment to our customers and LabVIEW remains the same

CompactDAQ

Why engineers use CompactDAQ?

Rugged

Future-proof

High-Speed DAQ

Select Your Modules

Select Your Chassis

NI Software for Data Acquisition

Included Software

Customize and Automate with LabVIEW

Download Helpful Resources

CompactDAQ System Build Guide

CompactDAQ Chassis Mounting Accessory Guide

See CompactDAQ in Action

Testing the force of a garage door with cDAQ and FlexLogger

CompactDAQ USB Chassis Out of the Box

Simple vibration test on a blender with the cDAQ sound and vibration bundle.