12 reviews

IOLITE® 2xASICondition monitoring data acquisition device

Vibration sensor and data acquisition for condition monitoring of gearboxes, fans, motors, blowers, and any other rotating machinery in automotive, mining, pulp, paper, iron, steel, chemical, cement, HVAC, facility management, and power production.

IOLITE 2xASI device features two analog sensor inputs and one tacho input. The device works together with an ASI-1xVIB-50g vibration probe with a 10 kHz accelerometer and temperature sensor. The solution is bundled with an award-winning DewesoftX software that provides an easy-to-use machine condition monitoring setup.









Shock rating 50g

Shock rating 50g

-20°C to +60°C

-20°C to +60°C

IOLITE® 2xASI highlights

High bandwidth

Acceleration in the range from 0 Hz up to 10kHz (from ASI-1xVIB-50g) can be monitored with the use of IOLITE 2xASI in combination with the ASI-1xVIB-50g sensor. It is an ideal device for condition monitoring of bearings, fan blades, or other low to high-speed rotating equipment elements.

Low noise accelerometer

The ASI 1xVIB-50g sensor has a very low noise performance of 25 µg/√Hz spectral noise density. The RMS noise, in the range from 10 Hz to 10kHz is 3mg.

Versatile measurements

IOLITE 2xASI and ASI 1xVIB-50g are an ideal combination to monitor the acceleration, velocities, displacements, speed, and temperature of the machinery.


Multiple devices can be easily distributed and synchronized over large distances using a single inexpensive CAT6 cable that can span up to 50m node-to-node. By using optical converters, even distances of more than 20 km between the devices can be covered while still keeping a 1us synchronization between the devices.

Perfect Synchronization

The IOLITE 2xASI are EtherCAT-based devices and are synchronized down to 1μs device to device. This is very important when performing condition monitoring of the same machinery since the ambiental vibrations not correlated to the machine can be excluded.

Software included

Every Dewesoft data acquisition system is bundled with award-winning DewesoftX data acquisition software. The software is easy to use but very rich and deep in functionality. All software updates are free forever with no hidden licensing or yearly maintenance fees.

Dewesoft quality and 7-year warranty

Enjoy our industry-leading 7-year warranty. Our data acquisition systems are made in Europe, utilizing only the highest build quality standards. We offer free and customer-focused technical support. Your investment into the Dewesoft solutions is protected for years ahead.

IOLITE® 2xASI and ASI-1xVIB-50g overview

IOLITE 2xASI device features two analog sensor inputs and one tacho input, packed in an IP20 case. Two analog channels of the device feature anti-alias filtering, A/D conversion, and digital filtering. Analog input channels were designed to be used with the Dewesoft ASI-1xVIB-50g vibration probe. The tacho channel is meant to be used with 1 pulse per rotation RPM sensor. The device automatically converts the signal into RPM.

A microprocessor inside the IOLITE® 2xASI data acquisition module transmits the data samples over EtherCAT protocol (CAT6 cables) into DewesoftX data acquisition software running on a Windows PC. Alternatively, it can also transmit data to any 3rd-party controller running EtherCAT master on any platform.

The Dewesoft ASI-1xVIB-50g is a vibration probe packaged in a small aluminum housing consisting of two sensors: a) a single-axis accelerometer with 0-10 kHz bandwidth and analog voltage output and b) a temperature sensor with a digital interface. The probe is rated with IP66 ingress protection and a -20 to 85 ℃ temperature range. 

IOLITE-2xASI & ASI-1xVIB-50g is designed as a tailor-made condition-based monitoring solution. They are ideal for permanent condition monitoring of fans, blowers, HVAC, pumps, and other rotating equipment.

Distributed EtherCAT® architecture

EtherCAT® protocol allows the IOLITE® 2xASI devices (and other IOLITE modules) to be easily distributed across large distances. Devices can span 50m node-to-node with only one low-cost Ethernet CAT6 cable running between them for signal, power, and synchronization. 

By using optical converters even distances of more than 20 km between the devices can be covered while still keeping a 1us synchronization between the devices.

Ready to measure velocities and displacements

ISO and other vibration evaluation standards often set allowable vibrations and alarm or trip conditions for various machinery based on velocities or displacements. 

Even though the ASI 1xVIB-50g is a 1-axis accelerometer, it can be also used to precisely measure velocity or displacement by integrating the acceleration and applying appropriate filtering. The task is straightforward thanks to the DewesoftX data acquisition software. It only takes one checkmark to calculate velocity and displacement.

Product testing and validation

Hardware repairs or replacements are expensive. Therefore IOLITE-2xASI and ASI 1xVIB-50g devices were put through in-depth product validation tests that ensure reliable operation within their specifications.

Standard testing procedures include vibration and temperature cycle tests to check the durability and specify drifts in measured acceleration.

Permanent harsh environment mounting with the IP66 waterproof casing of the sensor

The ASI 1xVIB-50g vibration sensor is available in a waterproof aluminum casing. The enclosure is designed to be mounted in harsh environments and is fully waterproof. It complies with IP66 environmental rating. Sensors can operate in a wide temperature span from -20°C to 85°C.

The IOLITE 2xASI data acquisition device is available in an IP20 enclosure. However, If a waterproof case is required, it can be designed and delivered according to the specifications.

Historian database storage

IOLITE data acquisition device can be installed for long-term or permanent monitoring. This kind of measurement requires efficient data storage. For that, we provide Dewesoft Historian service. Historian is a time-series database service based on the MQTT messaging protocol for the Internet of Things (IoT).

Historian is based on an open-source InfluxDB database and is a perfect solution for long-term monitoring. Data in the Historian can be accessed in two ways:

  1. Web clients: any modern web browser can be used as a web client to access real-time data stored in the Historian. The solution is based on another open-source project Grafana. It allows to set up of completely customized views and is a perfect solution for real-time dashboards.

  2. Desktop client: the desktop client is an instance of our award-winning DewesoftX software. It allows you to import historical data from the Historian database for in-depth analysis.

Historian is available to be installed on your own server or as a completely managed cloud service.

Visit the Dewesoft Historian web page for more information.

Ready for various condition monitoring applications

IOLITE 2xASI and ASI-VIB-50g devices are perfect for detecting faults on different types of machinery such as bearing faults, overheating, shaft unbalance, detached mounting, gear-tooth failure, load misalignment, stator eccentricity, and other machine catastrophic failures

Together with our award-winning DewesoftX data acquisition and analysis software, the solution is tailor-made for several applications in:

  • Pulp & Paper: Blowers, conveyor belts, chippers, chip classifiers, refiners, pressure screens, screw conveyors, agitators, nip monitoring, felt rollers, etc.

  • Iron & Steel: Raw material handling machines, conveyor belts, ship unloaders, galvanization plants, stack reclaimers, continuous casters, cranes, rolling mills, annealing machinery, and also pumps, fans, gearboxes, etc.

  • Automotive: Wind Tunnels, Air handling units, and pumps in paint shops as well as presses and transfer presses, etc.

  • Cement: Crushers, gearboxes, conveyor belts, separators, fans, raw mills, ball mills, elevators, and blowers.

  • Industrial plant and facilities: Gearboxes, UPS, AC, electric motors, fans, pumps.

Learn more on the condition monitoring solution page.


Award-Winning Data Acquisition Software Included for Free

Dewesoft data acquisition systems are bundled with award-winning DewesoftX data acquisition software. It is the world's most advanced and easy-to-use data recording and signal processing software. Software and hardware work together like magic. It offers simplicity as well as deep functionality to tackle any test and measurement task.

And the best part? You get lifetime FREE software updates and technical support. Software is evolving all the time. New major releases are released every 3 months constantly adding new features, optimizations, and other improvements. There are no hidden costs and will remain free forever.

Plug and Play

Connecting the DAQ system and sensors could not be faster or easier. DewesoftX software will automatically detect the connected DAQ systems and TEDS-equipped sensors will configure the channel configuration automatically. Features like:

  • Hardware auto-detection.

  • Smart sensors.

  • Sensor database.

  • Advanced TEDS sensor support.

  • Built-in unit conversion.

  • Real-time signal preview.

  • Wiring schematics.

will make you ready for measurement in seconds. Spend less time configuring your DAQ hardware and be more productive. Time is money!

Measure and Store

Powerful storing capabilities with more than 500 MB/s sustained stream rates mean you can always store data at full speed and never again worry about losing data that could compromise your tests. DewesoftX storing features offer:

  • Real-time data acquisition.

  • Synchronized acquisition of analog, counter, video, GPS, CAN bus, and many other sources.

  • Advanced triggering and alarms.

  • Single or multi-file storage.

  • Remote and distributed network storing.

  • Automated test sequences.

Even if you store gigabytes of data, our innovative data file format​​​​​​​ will ensure you can reload and analyze your data as fast as in a blink of an eye.

Analyse and Publish

NVH, structural testing, power analysis, and more. Forget about using several complex software solutions to record and analyze your data. DewesoftX offers one-stop shop for all test and measurement tasks. Our software offers:

  • Online and offline mathematics.

  • Flexible real-time visual displays.

  • Synchronized video support.

  • PDF and Word reporting tools.

  • Data export to many standard file formats.

  • Unlimited FREE license seats to view and analyze stored data.

DewesoftX is designed with the mindset of a test engineer and offers a complete testing solution in a single software package that is easy and joy to use.

Lifetime Free Updates

We are offering no-bluff or hidden cost licensing model for our data acquisition software. A new major version is released every three months bringing new features, performance boosts, bugfixes, with no additional cost to you. All updates for our existing users are free forever.

Unlimited License Seats

Our licensing model offers unlimited seats for analysing the recorded data. The recorded data file will bundle the license. Simply share data file with your colleagues and they can download software for free and ready to fully analyze the data. No additional licenses are needed.

Free Technical Support

We are putting our customers first. Free worldwide technical support is available for our DAQ software and hardware. Our technical support team is responsive and will attend to every support request and solve it in the fastest possible manner. Local technical support in our local offices is also available for you at no extra cost.

Lovedby Many Engineers

Again, thanks for all of the new features that are being included in DewesoftX. It is already a fantastic product and deserves to become the Microsoft Word of data acquisition software.

We absolutely enjoy using the Dewesoft data acquisition equipment and its software. I think of it as the Porsche 911 of data acquisition (my dream car/our dream test equipment).

We recommend SIRIUS data acquisition system as a great unit to anyone that asks how we like it.

I wanted to personally write to you and tell you how impressed I am with Dewesoft products. The whole Dewesoft team impressed me as extremely happy, smart, and dedicated.

FAQFrequently asked questions

Related products

See and browse related and compatible data acquisition products.