Measuring and Registration Instruments

Those devices are a class S power monitoring devices according to the international standard IEC 61000-4-30, ed. 2. The more advanced SMPQ can also evaluate and archive power quality data according to EN 50160 standard. An important part of this compact platform is an embedded four quadrant electricity meter. Devices offer wide variety of input-output and communication options. By default every device has an USB connector, optionally also RS232, RS485and Ethernet can be used. For more complex application where interactions with other devices is desirable the outputs can be flexibly programmed to relay or pulse outputs of various quantities. A temperature or another analog quantity can be measured from external input.

Multi-functional 3 phase meters

These devices are designated to measure and monitor line-to-line and phase voltages, currents, active and reactive powers, true power factor, THD for both voltage and current one- and three phase LV, HV and VHV networks and sense the temperature inside a switchboard. 

These devices are ideal for application where monitoring and recording of voltages, currents, power factors, frequency, powers, harmonic distortion of voltage and current, energies etc in three-phase LV, HV, VHV grids are required. It can also measure and record temperature. All measured values are stored in the instrument and can be later downloaded for processing using a remote communication line. SMY device has a bright LCD display and features meny userfriendly wiews on the recorded data. SMZ unit has a LED display for rough environments and embedded electronic electricity meter for more precise energy monitoring.

For submetering and energy management systems

This combined energy meter and power analyser with large embedded memory is mostly suitable as a data collecting workhorse for distributed energy management systems. It is measuring and recording all relevant information about the utilisation of electrical energy in the measured point. Energy consumption (or generation) is archived separately - kWh and kvarh in import or export, separated in up to three tariffs (TOU), separately per-phase and as a total sum.

Currents are measured with a hole-through current transformers with optional range (nominal current is 5A to 150A according to the selected type). These CTs are embedded right on top of the instrument.

PA33 convertor measures preselected electrical quantities (voltages, currents, active, reactive or apparent power, frequency etc.) in three phase low-, high- and very high voltage networks and converts the measured value to current outputs. The convertor is equipped with 3 inputs for voltage (nominal voltage 3 x 230V_ef) and 3 inputs for currents of up to 5A_ef (typically from CT output).

Simple DC Ammeter

SMD 101 is a simple single purpose DC ammeter with serial communication interface for automated remote monitoring of lines in DC networks. Currents are measured with a hall sensor, which is built in the instrument. Measured wire need not to be interrupted thanks to the easy wire through installation.