The DAS1820 is a cutting-edge, portable high-speed data acquisition system equipped with a compact dual-slot chassis. It utilises the same robust hardware architecture and module ecosystem as the larger DAS1800, ensuring exceptional performance in a more streamlined design. This shared platform empowers users with plug-and-play functionality, enabling quick module reconfiguration without the hassle of factory recalibration.

Modules

For high-speed measurements, the D18-UNI4 and D18-HVM4 modules deliver simultaneous sampling at impressive rates of up to 1 MSa/s. The HVM4 module is engineered for high-voltage measurements, capable of handling up to ±1500 VDC or 1000 Vrms. Moreover, the D18-MUX8 is available for capturing slower trends with its eight multiplexed channels. With an internal 500 GB solid-state drive and an optional battery offering up to four hours of field operation, this instrument guarantees long-duration recording even in the most remote locations.

Operation and Software

The DAS1820 software environment is designed for maximum efficiency and advanced analysis. Users can configure up to three different sampling rates, enabling the recording of single or multiple files simultaneously. The system excels in complex power analysis for DC, single-phase, and three-phase systems (50 Hz, 60 Hz, and 400 Hz), alongside custom script channels for real-time calculations across multiple channels.

Interact with your data seamlessly through the integrated 12-inch HD touchscreen, which supports intuitive gestures like pinch-to-zoom for real-time waveforms, phasor diagrams, and histograms. Additionally, the DAS1820 offers remote control capabilities via a web server or VNC and comes with complimentary DASpro software for PC-based data viewing.

Product Features

• 2 slots and 4 measurement modules available
  • Universal (4 ch)
  • Multiplexed (8 ch)
  • High Impedance (4 ch)
  • High Voltage (4 ch)
• Measure up to ± 1500 VDC
• Up to 16 analogue inputs with D18-MUX8 multiplexed module
• Temperature measurements with thermocouples and RTDs
• Onboard scripting for real-time single or multichannel calculations
• Max sampling rate of 1 MSa/s/ch (up to 8 channels)
• Memory efficient acquisition with simultaneous sampling at different rates (up to 3) and independent file recording (up to 3)
• Synchronize timing with IRIG, GPS, and PTP (DAS1820-SYNC model)
• Dedicated power analysis supports DC, single-phase, and 3-phase networks operating in 50 Hz, 60 Hz, or 400 Hz
• Dedicated sensor library to store and recall sensor information
• 12” HD touchscreen display
• Data visuals include real-time waveforms, numeric values, phasor diagrams, and histogram charts
• 500 GB internal SSD (standard)
• Battery option (D1820-BAT) provides up to 4 hours of operation
• Interfaces include USB 3.0 (x2), and LAN 1 Gbps

Applications

• Monitoring and verifying power systems
• Monitoring of processes and equipment
• Product validation and verification

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High Voltage Module for DAS1800 and DAS1820 from B&K Precision and Sefram Instruments.

Configure the DAS1800 to fit your needs with any combination of modules up to 10.

Select any 2 modules in the portable DAS1820.

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The DM308 20-Ch Actuator / General Purpose Switch (for the DAQ3120) is a dedicated switch module featuring 20 independent single-pole double-throw (SPDT) relays. Each relay is equipped with Normally-Open, Normally-Closed, and Common contacts. This provides users with considerable flexibility in the connection and control of DUTs. Typical applications for this module include power cycling of DUTs, management of indicator and status lights, and activation of external power relays and solenoid valves. This module is rated to handle voltages up to 300 V and currents up to 1 A, with a maximum switching power capacity of 50 W.

Product Features

• 20 SPDT (Form C) latching relays
• Versatile contact configuration with Normally Open (NO) and Normally Closed (NC) contacts
• 300 V and 1 A contacts for actuation and control 

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The DM307 Multi-Function Module (for the DAQ3120) enhances the system’s functionality by offering a combination of digital and analogue control capabilities. It is equipped with two 8-bit digital input/output ports, enabling the control of external devices and the reading of digital signals. Furthermore, it incorporates a totalizer that can count pulses from devices at a frequency of up to 100 kHz. It also provides two analogue output (DAC) channels to generate programmable voltage or current outputs. The module continuously monitors alarm thresholds for both digital inputs and totalizer inputs, logging alarm conditions even when not actively scanning. Additionally, sense channels are included to monitor current or voltage.

Product Features

• 16 bits of digital input and output
• 100 kHz totalizer input
• ±12 V analogue outputs or ±24 mA outputs 

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The MDL4UB Series is a multi-channel modular programmable electronic loads system designed in a compact 4U form factor. It offers nine different types of programmable DC load modules that range from 200 W to 600 W, giving users the flexibility to test various power sources, including multi-output DC power supplies, batteries, fuel cells, and photovoltaic arrays.

MDL4UB Series Mainframe includes a controller and four open slots, allowing for any combination of modules up to a total of 2400 W (and up to 4800 W with a mainframe extension). The high-performance electronic load modules can operate in four modes: constant current (CC), constant voltage (CV), constant resistance (CR), and constant power (CW).

Users can easily adjust the load parameters—such as voltage, current, slew rate, and width—via the front panel. To improve productivity, users can save their test parameters in any of the 101 available memory slots for quick recall. Additionally, the MDL4UB Series features 16-bit resolution, multiple protection modes, and a power-on system self-test to ensure stable and reliable operation.

For remote communication, the MDL4UB Series supports LAN, USB (USBTMC-compliant), RS232, and GPIB standard interfaces, all of which are compatible with the SCPI command protocol.

Modules Comparison

Populate the mainframe or mainframe extension with any combination of four modules from the below options.

* The MDL4U102B, MDL4U252B, MDL4U302B, and MDL4U502B are dual channel modules where total power is allocated between channels. For example, the MDL4U102B can allocate a maximum of 150 W to either channel up to 200 W total (e.g. 150 W/50 W, 100 W/100 W, 50 W/150 W).

Backwards Compatibility:

The MDL4UB Series modules are compatible with existing MDL4U (non-B) modules and can share the same mainframe. This allows users to upgrade their modules or expand their test setups without needing to purchase a new mainframe.

Product Features

• Power range up to 2400 W (Up to 4800 W with mainframe extension)
• Voltage range up to 600 V
• Current range up to 120 A
• CC/CV/CR/CW operating modes
• Removable modules for easy system configurability
• Support for up to 16 channels using dual channel modules with mainframe extension
• Operate identical modules in parallel mode for high current applications
• Synchronous load on/off function
• Standard LAN, GPIB, USB, and RS232 interfaces with USBTMC/SCPI protocol support
• Analogue current control and monitoring
• Transient mode up to 25 kHz
• List mode (sequence mode) – minimum 20 μs step width with 84 user programmable steps
• Adjustable slew rate in CC mode
• 16-bit voltage and current measurement system providing high resolution of 0.1 mV and 0.01 mA
• Front and rear panel load input terminals
• 4U form factor
• Remote sense
• LabVIEW drivers and operating software included
• Rack-mount brackets with handles included

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The MDL4U Series is a multi-channel, modular programmable electronic load system designed for versatility in testing various power sources. It includes seven different modules of programmable DC loads, with power ratings ranging from 200 W to 600 W. This gives users the flexibility to test power supplies such as multi-output DC power sources, batteries, fuel cells, and photovoltaic arrays.

The mainframe of the system features a controller and four open slots that can accommodate a combination of modules, allowing for a total power capacity of up to 2400 W (expandable to 4800 W with a mainframe extension). The high-performance electronic load modules can operate in four modes: constant current (CC), constant voltage (CV), constant resistance (CR), and constant power (CW).

Users can easily modify the load parameters—such as voltage, current, slew rate, and width—using the front panel. To enhance productivity, test parameters can be saved into any of the 101 available memory areas for quick recall. The MDL4U Series also features 16-bit resolution and includes multiple protection modes, alongside a power-on system self-test to ensure reliable performance.

For remote communication, the MDL4U Series supports various standard interfaces, including LAN, USB (USBTMC-compliant), RS232, and GPIB, all of which adhere to the SCPI command protocol..

Modules Comparison

Populate the mainframe or mainframe extension with any combination of four modules from the below options.

* The MDL4U252 and MDL4U302 are dual-channel load modules. The MDL4U252 can allocate up to 250 W to either channel up to 300 W total. (e.g. 250 W/50 W, 150 W/150 W). Similarly, the MDL4U302 can allocate 300 W to either channel up to 600 W total (e.g. 300 W/300 W)

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