"Despite the Covid-19 pandemic, Camille Bauer Metrawatt continues to improve and innovate in response to positive market feedback and international trends. Power quality is becoming increasingly important, particularly for ensuring security of supply in the fields of electricity generation, distribution and consumption. By providing the appropriate measurement technologies, Camille Bauer Metrawatt helps to maintain and continually improve security of supply.the company says.
Linax PQ5000-Mobile can be accessed on a tablet without additional software (directly via a web browser). The use of a single control key enhances efficiency.
An inverter in case of power failure
It's not uncommon for the supply voltage to be briefly interrupted when measuring power quality, especially with a portable device. In particular, the power plug may fall out of the socket or be unplugged by mistake. Although this often happens for insignificant reasons, the problem can have a considerable influence on measurement results. For example, during an EN50160-compliant measurement campaign, which normally lasts seven days, the results may be incomplete. The Linax PQ5000-Mobile therefore incorporates an inverter that can easily withstand a 5 x 3-minute power cut. In the event of a problem, it provides sufficient time to reconnect the plug to the socket while the meter continues to record without interruption. Battery life is approximately 3 to 5 years.
From now on, all Linax PQ power quality analyzers can be optionally equipped with an inverter.
Remote access via a secure connection
More and more often, measurements carried out with portable devices are combined with a remote process. This requires one qualified person on site to measure the electrical installation and another, who may be in a completely different location, to start and end the series of measurements and record the corresponding data via the Internet. Applications of this type must be implemented securely.
For this reason, Camille Bauer Metrawatt has set up secure access to the gateway using a SIM card. This enables remote measurements to be taken at any time and from any location, via a VPN tunnel. Real-time data (from the event recorder, energy flow, interim reports, alarms, etc.) can be consulted securely at any time, enabling early detection of power quality. Compliance reports, e.g. to EN50160, can be generated without the need for external software. Last but not least, measurement data can be easily backed up at another location thanks to the VPN connection.
Programmable event recording time
In addition to complying with current standards, customers are increasingly looking for customized parameters and results for evaluating and analyzing power quality data, which has led Camille Bauer Metrawatt AG to introduce several new functions.
Time monitoring of statistical conformity assessment (e.g. to EN50160, IEC61000-2-2, GB/T, IEEE519, customer-specific protocol, etc.) can now be set in 10-minute periods. This new feature also enables short-term power quality monitoring according to current standards.
To make events even more readable, in future users will be able to configure output graphs using a programmable recording period as a reference. This includes root-mean-square values of ½ ≤1 s before and ≤180 s after the triggering of an energy quality event. In addition, example values of ≤1 s before and ≤5 s after triggering can be parameterized. Events can then be zoomed directly into the browser to display important values at a higher resolution, and thus make them more legible.
All these properties can be entered intuitively directly on the Linax PQ display or directly in a web browser on a PC, tablet or smartphone, without the need for complex and costly additional software.
IT security through specific protection measures
New protection mechanisms have been introduced to limit risks such as theft, falsification or fraudulent use of data. These include role-based access rights, which prevent fraudulent access to different functions, views and data. This means that users only have the rights they need to carry out their tasks.
The audit log function records additional security-related processes and stores them securely on a system logger. In addition, the Syslog protocol can be used to transfer the contents of the audit log to a central server for network monitoring. Access authorization can be limited to a maximum of 10 computers with access rights.
Web access to the devices can be via an https address. Messages are then encrypted and decrypted using a certificate supplied by Camille Bauer Metrawatt or the customer's own certificate.
Together, these protective measures guarantee a high level of safety while covering a wide range of applications.
The web interface of all Camille Bauer Metrawatt devices has a uniform structure. This means that users can easily carry out various operations via a single interface.
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