Clever. Standard-compliant. Multifunctional.

DEHNrecord Smart Device (SD) is the multifunctional measuring and analysis device for monitoring power quality in low-voltage systems. This allows tendencies and problems to be identified at an early stage to prevent damage and disruptions in the long term. Standard-compliant according to EN 50160.

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Video tutorials: All information in a short and compact format

Nine short video tutorials explain all the important information about installing and using the DEHNrecord SD: This includes a description of the hardware, connecting the device and commissioning with establishing a connection to the web server and device settings. You will also learn everything about the "DEHNmonitor PQ" cloud: from the basics to the presentation of results and the various displays of measured values. After registering for free in the DEHNacademy, you will have immediate access to the course content.

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Measure, test, monitor – with DEHNrecord SD

Power quality measurement according to EN 61000-4-30, class A
Event messages in the event of limit value violations as per EN 50160 and individually defined limit values
Measurement of power-frequency overvoltages as per EN 50550 as well as undervoltages
Load profile and power measurement
Impulse current measurement up to 100kA with external sensor (8/20 µs & 10/350 µs)
Flexible communication links via RJ45 Ethernet interface (Modbus TCP/IP protocol AND MQTT 3.1)
Efficient data handling based on edge computing
Integrated freely parameterisable digital inputs and outputs
Installation benefits thanks to adaption to lightning current and surge arresters by means of a busbar

Detect faults and errors early with DEHNrecord SD

With the DEHNrecord SD measuring and analysis device, the measurement of all relevant parameters is very easy. Commonly applied standards are complied with.

1 - 230 V AC or 24 V DC power supply; through adaption using phase rail to SPDs, no separate wiring or backup fuse required

2 - LED status indication

3 - RJ45 Ethernet interface with Modbus TCP/IP and MQTT 3.1 protocol for a flexible communications link

4 - Web-based parameterisation

5 - Compact housing with five standard DIN modules

6 - Installation on DIN rail

7 - Connections for impulse current sensor and for digital inputs and outputs

8 - Connections for current coils for load profile and power measurement

Data visualization in the cloud - DEHNmonitor PQ

You want to connect DEHNrecord SD to our web-based monitoring tool DEHNmonitor PQ (demo) to manage devices and visualise measurement data, or to download firmware updates? Click here for registration and login.

DEHNmonitor PQ

Power quality with DEHN

Corporations, small businesses, private households – the supply of electrical energy is a basic necessity for everybody.

For power grids to operate reliably and seamlessly, the power quality, the quality of the voltage supply, must be right. Yet power supply grids are becoming increasingly susceptible to malfunctions. Above all, this is down to the increasing number of decentralised generating and non-linear consumption systems.

Also, the amount of sensitive electronic equipment is increasing. The steeply rising number of these non-linear loads, such as frequency converters, inverters, power supply units, LED street lights and also electric mobility, is resulting in considerable line harmonics.

The core business of a power supply company or power grid operator is to provide users with energy of the right quality - and to do so as reliably as possible. The basis for this is the use of power quality measuring equipment that provides useful information. DEHN has developed a multifunctional measuring and analysis device for precisely this requirement which measures to class A standard. With the extensive installation of DEHNrecord SD in a low-voltage system, simple and future-proof monitoring is enabled, disruptions and faults are identified promptly, and evidence is documented which is admissible in court in the event of damage.
Power quality monitoring as per EN 50160

DEHNrecord SD can be suitably configured through an integrated Web server or DEHNmonitor PQ.

EN 50160 - Voltage characteristics of electricity supplied by public electricity networks defines and specifies the key characteristics of supply voltage at the network connection point under normal operating conditions.

The characteristics of the supply voltage are defined for frequency, magnitude, waveform, and balance of the phase-to-phase voltages. During normal grid operation, load fluctuations, disturbances and faults such as short circuits lead to changes in the parameters. By measuring all relevant parameters, DEHNrecord SD enables simple and future-proof monitoring so that disruptions and faults are identified promptly.

DEHNrecord SD – an impressive device concept

Combining cleverly

The multifunctional DEHNrecord SD measuring and analysis device identifies malfunctions reliably in line with standards and beyond, and can be easily and quickly combined with lightning current and surge arresters at the perfect installation location for stationary measurements.

Combined arrester DEHNventil M2

Online catalogue

DEHNrecord SD multifunctional measuring and analysis device voltage supply 230 VAC

Integral, multifunctional measuring equipment based on edge computing in a compact housing for easy integration and retrofitting on DIN rails. Device for measuring the voltage quality according to EN 61000-4-30, class-A-certified, and limit values as per EN 50160. Measurement of temporary, power-frequency overvoltages according to EN50550. Communication link provided through Modbus TCP and MQTT 3.1 Azure.

DEHNrecord SD multifunctional measuring and analysis device voltage supply 24 VDC

Integral, multifunctional measuring equipment based on edge computing in a compact housing for easy integration and retrofitting on DIN rails. Device for measuring the voltage quality according to EN 61000-4-30, class-A-certified, and limit values as per EN 50160. Measurement of temporary, power-frequency overvoltages according to EN50550. Communication link provided through Modbus TCP and MQTT 3.1 Azure.

Split-core current transformer for measuring nominal primary currents up to 100 A

Split-core current transformer for electronic measurement of alternating current (AC) with galvanic isolation between the primary (power) and secondary circuit (measurement) up to 300 V CAT III.

Rogowski coil with connecting cable L 3m for measuring nominal primary currents up to 1000 A

Rogowski coil current transformer for electronic measurement of alternating current (AC) with galvanic isolation between the primary (power) and secondary circuit (measurement) up to 1,000 V CAT III.

Impulse current sensor with connection cable for detecting impulse currents of up to 100 kA

Impulse current sensor for detecting impulse currents of up to 100 kA on insulated cables.

Busbar / Modular wiring system three-phase, 6-pole for 6 modules

Busbar / modular wiring system, three-phase, six-pole, 6 modules.

Busbar / modular wiring system four-phase, 8-pole, for 8 DIN modules

Busbar / modular wiring system, four-phase, eight-pole, 8 modules.

Power supply unit AC 100..240V DC 24V 30W DIN rail mounting device

High-performance DIN rail mounted power supply unit with single-phase wide-range input can be connected to different supply systems. The operating state indicator on the front panel indicates whether the output voltage is present. Up to 10 DRC MCM XT or DRC SCM XT (single application) or up to 15 DRC MCM XT monitoring devices (multiple application) can be connected to a single power supply unit.

DEHNventil modular

Multipole, modular combined arrester for protecting low-voltage consumer installations against surges with a follow current extinguishing capability of 100 kA_rms, also in case of direct lightning strikes.

DEHNshield

Application-optimised multipole combined lightning current and surge arrester which fulfils the minimum requirements on the lightning current discharge capacity according to IEC 60364-5-53 and ensures compact lightning equipotential bonding including protection of terminal equipment.

DEHNguard modular with Advanced Circuit Interruption (Safe Dimensioning)

Modular multipole surge arrester with new "Advanced Circuit Interruption" (ACI) technology in the protection module consisting of a switch / spark gap combination. For protecting low-voltage consumer installations against surges.

Configuration files for Modbus - icomData Suite

You want to use Modbus as an easy and convenient way to connect the DEHNrecord SD to an INSYS icom router? Ready-to-use configuration files for this purpose are available in the download area. These already contain all important Modbus registers required for your application. Simply upload the corresponding file in icom Data Suite and you're ready to go.

For example, you can integrate the DEHNrecord SD into a SCADA system via the IEC 60870-5-104 protocol.

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Better advised with a comprehensive service

Need support? DEHN provides you with training, consultations and other services on many exciting topics.

Downloads

Power quality in a low-voltage system

Brochure DS 376

DEHN protects intelligent power grids

Brochure DS 243

DEHNrecord SD - Installation instructions

Installation instructions

Questions and answers about DEHNrecord

Form 2108

DEHNrecord SD - Manual

Manual

DEHNrecord SD - Modbus manual

Form 2091

Configuration files for Modbus - icomData Suite

ZIP- Folder

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