12 reviews

SIRIUS® XHS​​​​​​​-PWR2-channel power analyzer with integrate DC-CT® current transducer

SIRIUS® XHS-PWR is a unique 2-channel data acquisition device designed for the direct measurement of current, high voltage, and power. It features HybridADC signal conditioning technology and an integrated, patented DC-CT® current transducer for highly precise current measurements.

The SIRIUS® XHS-PWR is the ideal power analyzer for in-vehicle fleet monitoring of electric and hybrid vehicles. The device comes with award-winning DewesoftX software and an industry-leading 7-year warranty.



High Voltage

High Voltage



DC current

DC current

AC current

AC current

TEDS compatible

TEDS compatible

Galvanic isolation ±1000 V

Galvanic isolation ±1000 V

Isolation CAT II 1000 V

Isolation CAT II 1000 V

Isolation CAT III 600 V

Isolation CAT III 600 V







CAN bus

CAN bus

CAN out

CAN out

15 MS/s/ch

15 MS/s/ch

PTP synchronization

PTP synchronization

PoE (Power Over Ethernet)

PoE (Power Over Ethernet)

Shock rating 75g

Shock rating 75g

-40°C to +70°C

-40°C to +70°C



SIRIUS® XHS​​​​​​​-PWR highlights

HybridADC signal conditioning technology

HybridADC delivers the best of both worlds, combining high bandwidth and dynamic acquisition capabilities. It features 16-bit ADCs with up to 5 MHz bandwidth and a sampling rate of up to 15 MS/s for high-speed data collection. Additionally, it offers high-dynamic, alias-free acquisition with a sampling rate of up to 2 MS/s. Modes are software selectable for every input channel.

15 MS/s @ 5 MHz bandwidth

SIRIUS® XHS instruments offers up to 15 MS/s sampling rate with 5 MHz bandwidth. It captures transients down to microseconds levels. The sampling rate is software selectable for every analog input channel.

High-voltage measurement

SIRIUS XHS-PWR can directly measure ±2000 V on its single-channel high-voltage input with 0.03 % accuracy of the reading.

DC-CT current technology

SIRIUS® XHS-PWR instruments have an embedded DC-CT current transducer with high current measurement accuracy. DC-CT is a patented current measurement technology.

Modern data interfaces

SIRIUS® XHS-PWR supports gigabit LAN data interface (Ethernet), CAN bus, XCP, and OPC UA outputs.

Open protocol support

Data is transferred to any host using the open OPC UA industry-standard protocol. In parallel the data is available over XCP or CAN protocols, allowing connection to ECU calibration software packages like ETAS INCA or Vector Canape.

PTP synchronisation

Even though users can select some channels to be high bandwidth and some to be alias-free, filtering is designed in such a way that all signals are perfectly time aligned with zero phase shift. Multiple devices can be synced together using the PTP synchronization method.

High galvanic isolation

High channel-to-channel and channel-to-ground isolation up to CATII 1000V. This prevents damage to the systems from excessive voltage and avoids ground loops.

Rugged and safe

SIRIUS XHS-PWR is IP67-rated for operation in harsh environments and crafted for a wide operating temperature range (from -20°C to 70 °C). The device is designed and tested according to the EN 61010-1 safety standard.

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.

SIRIUS® XHS-PWR overview

Vehicle electrification is the major trend for driving innovation in the automotive field. This requires the implementation of intelligent management and smart distribution of in-vehicle electric power. The development of efficient and EMC emission-less electric components like electric motors, inverters, and charging stations, at the power management and semiconductor level is in full swing. Precise voltage and current measurements are required for the prediction of vehicle energy consumption for both development and vehicle operation.

SIRIUS® XHS-PWR is a family of data acquisition devices designed for direct measurement of high voltage, current, and electrical power. It is primarily designed for testing all sorts of electric vehicles such as electric passenger cars, trucks, busses, and heavy machinery.

You can run your power lines straight through the SIRIUS® XHS-PWR instrument. On the inside, it features an integrated patented DC-CT® current transducer for very precise current measurements.

The Dewesoft SIRIUS® XHS-PWR delivers state-of-the-art integrated current and voltage sensing solutions to address the automotive test and measurements market. It offers seamless integration with the DewesoftX software, XCP or OPC/UA output on PoE Gigabit Ethernet with PTPv2 Time Synchronization. The device is a high-end data acquisition system with a 15 MS/s sampling rate @ 16 bits.

HybridADC signal conditioning technology

The SIRIUS® XHS-PWR implements our new state-of-the-art Hybrid ADC signal conditioning technology. It is capable of doing both high bandwidth transient recording and very high dynamic alias-free data acquisition. Both modes are software selectable per every channel and are able to run simultaneously.

HybridADC mode of operations

  1. High bandwidth mode: This mode offers an extremely high bandwidth of 5 MHz and a 15 MS/s sampling rate. SIRIUS® XHS-PWR devices can perfectly acquire impulse, step, and square signals without any ringing or overshooting. Such a mode is perfect for transient recording and applications such as power analysis. Such acquisition mode is typically found in SAR ADCs.

  2. High dynamic alias-free mode: This mode is used with sampling rates up to 1 MS/s. The data is acquired with a dynamic range of up to 150 dB. The alias-free filter with a bandwidth close to the Nyquist criteria is used for frequency domain analysis of signals like sound and vibration (NVH). This behavior is very similar to Sigma-Delta ADCs.

DC-CT® current measurement technology

SIRIUS® XHS-PWR is the first product that provides a 1000 A calibrated range with 2000 A peak current sensing up to 2000 V state-of-the-art isolated current sensing technology with a core diameter of 5 cm only.

DC-CT® represents an innovative principle of isolated measurement of AC and DC currents. This compact-sized patented current measurement technology allows you to measure peak currents and leakage currents up to 2000 A. And it can do it with high bandwidth and ultimate performance.

DC-CT® is energy-efficient, compact in size, low noise, and cost-effective current measurement technology. Existing products range from 2 A and up to 2000 A, up to 1 MHz bandwidth, with target accuracy from 0.1% down to 0.01%:

Sensor typeCurrentIsolatedRangeBandwidthLinearityAccuracyTemp. driftConsumtion
DC-CTDC/ACYesHighHighExcellentVery HighVery LowMedium

To learn more about the DC-CT® navigate to the article Direct Current Current Transducer DC-CT® Technology Explained.

SIRIUS® XHS-PWR devices overview

Currently, the following SIRIUS® XHS-PWR devices are available:

  • SIRIUSi-XHS-PWR-1xHV-1xDC-CT-1000A-UNI: Designed for measuring voltages up to ±2000 V (accuracy of 0.03%) and currents up to ±2000A, with a maximum sampling rate of 15 MS/s. It features universal high-voltage harness connectivity, accommodating various multicore cables and connector types. Ideal for applications like total power consumption analysis of E-vehicles, including auxiliary and HVAC systems.

  • SIRIUSi-XHS-PWR-1xHV-1xDC-CT-1000A-CON: Designed for measuring voltages up to ±2000 V (accuracy of 0.03%) and currents up to ±2000A, with a maximum sampling rate of 15 MS/s. It includes HV connectors (Amphenol PowerLok 500 Series) and supports HV harnesses with cross-sections up to 120 mm². This device is particularly useful for Powertrain efficiency, Real-drive testing, Transient analysis, EMC testing, and Total power consumption.

  • SIRIUSi-XHS-PWR-1xHV-1xDC-CT-UNI: Designed for measuring voltages up to ±2000 V (accuracy of 0.03%) and currents up to ±500A (short term) at a maximum sampling rate of 15 MS/s. It features universal high-voltage harness connectivity, accommodating various multicore cables and connector types. Ideal for applications like total power consumption analysis of E-vehicles, including auxiliary and HVAC systems.

All devices are equipped with our HybridADC signal conditioning technology capable of 15 MS/s sampling rate, 5 MHz bandwidth (Voltage), and >500 kHz bandwidth (Current). The device chassis is IP67 protected and can work at -20 °C to +70 °C.

Safety and isolation

Safety first! SIRIUS® XHS-PWR data acquisition hardware and signal cables are designed and tested according to the EN 61010-1 safety standard, including high voltage interlock and temperature monitoring.

The instruments also provide a high channel-to-channel and channel-to-ground isolation (CATII 1000 V) which prevents damage to the systems from excessive voltage and avoids ground loops.

SIRIUS® XHS-PWR instruments are very rugged and comply with IP67 environmental protection. They are also crafted for a wide operating temperature range of -20 °C to 70 °C.

All safety features

  • Design according to EN 61010-1

  • Temperature monitoring (visible in the DewesoftX system monitor)

    • Motherboard

    • High-voltage amplifier

    • DC-CT current transducer

  • Interlock on chassis (HW ready)

    • Digital switch on lids/covers

    • HVIL signal from HV connectors

  • LED status

Interface and connectivity

A single Ethernet cable is required for data transfer, power, and synchronization. This simplifies the setup and configuration for in-vehicle testing applications. For testing multiple in-vehicle components more devices can be connected via a dedicated 6-port network switch (DS-6xLAN-L1B) which provides PTPv2 synchronization for synchronizing the devices.

SIRIUS® XHS-PWR instruments offer many data interface options for reliable integration into other systems. The data can be transferred to any host using the OPC UA industry-standard data protocol. In parallel the data can also be available over XCP and CAN protocols, allowing connection to ECU calibration software packages.

Connect and synchronize multiple units with DS-6xLAN switch

Multiple SIRIUS® XHS​​​​​​​-PWR can easily be connected using our industrial DS-LAN ethernet switches. Our ethernet switches can provide power, synchronization, and data to multiple connected devices.

We have two options:

  • DS-18xLAN: Our most capable Ethernet switch is an 18-port network switch that supports high-speed connectivity up to 10 Gbps. It features a PTP synchronization mechanism and offers a passive PoE option for powering external Ethernet devices. It comes in three variations with rugged LEMO and RJ45 connectors.

  • DS-6xLAN: This one is a 6-port gigabit network switch with 4 downlink ports on the front panel and 2 uplink ports on the back panel.

Award-winning software included

All Dewesoft data acquisition systems are bundled with award-winning DewesoftX Professional data acquisition software. DewesoftX offers advanced data recording and signal processing features and is very easy to use.

DewesoftX software offers advanced power analysis features and can calculate and display extensive power parameters, harmonics, and FFTs in real time. To learn more, please follow to DewesoftX product page.


SIRIUS® XHS-PWR data acquisition systems are designed for testing electric vehicles and their components. Some of the main applications include:

Powertrain efficiency

From test bench to in-vehicle verification. SIRIUS-XHS-PWR provides safe and precise power measurements from the main high-voltage battery. Additional torque and speed measurement from wheel/axle yield data for overall powertrain efficiency by calculating the ratio between output mechanical power and input electrical power.

Real-drive testing

Perform standardized driving cycles such as WLTP, NEDC, WMTC, etc., and determine the driving range and full power analysis.

Total power consumption

Use multiple SIRIUS® XHS-PWR devices for total power consumption analysis, not only the main battery and power train but also auxiliary systems such as air conditioning and in-car entertainment systems.

Transient analysis

With 5 MHz bandwidth SIRIUS-XHS offers transient analysis and helps identify unwanted EMI effects using harmonic analysis.


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.

FAQFrequently asked questions

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