UMD 98EVU – Measuring technology for CAT IV environments

Product features

  • Measurement inputs: 3x voltage, 4x current, 1x Pt100

  • Voltage measurement: up to 1120 V

  • Current measurement: 1 / 5 A

  • Harmonics: up to the 128th harmonic

  • Evaluation in accordance with EN 50160: Class S

  • Oscillogram recording: Free parametrisation of triggers and recording duration

  • Accuracy of current and voltage measurement: Class 0.1

  • Accuracy of active power / real energy: Class 0.2 / 0.2S

  • Accuracy of reactive power / real energy: Class 0.5 / 0.5S

  • Communication interfaces: Ethernet, RS485, front USB

  • Communication protocols: e.g., Modbus, MQTT, IEC 60870-5-104

  • Connection of slave devices: Storage, mapping. and display of slave data

  • Measurement category: CAT IV / 300 V

  • Scanning: 57.6 kHz

  • Sampling rate of measured values: up to 40 ms

Areas of application

  • CAT IV environment

  • Local network station

  • Transfer station


  • Product Icon Inputs 3U, 4I
  • Product Icon Measurement U I P Q
  • Product Icon Pf Cos Thd
  • Product Icon Wh Varh
  • Product Icon Flash 512MB
  • Product Icon USB
  • Product Icon Standards IEC 61557-12
  • Product Icon Modbus
  • Product Icon Webserver
  • Product Icon NTP
  • Product Icon ETH
  • Product Icon Harmonics 128
  • Product-icon-sampling-57-6-khz
  • Product Icon Standards Class 0.2s IEC 62053-22
  • Product Icon RS485
  • Product Icon Outputs 2x Relay
  • Product-icon-cat-iv
  • Product-icon-mqtt
  • Product Icon Inputs Pt 100
  • Product Icon Supply 24v
  • Product-icon-inputs-outputs-2x-digi
  • Product Icon Current Input X 5a


  • Product Icon Standards class S IEC 61000-4-30
  • Product Icon Standards EN 50160
  • Product Icon Firmware GO
  • Product Icon Firmware RCS
  • Product-icon-firmware-iec104
Cookie settings
Cookies are used on this website. Some of the cookies are essential for the functioning of the website, while others help us to better understand how visitors use the website and to achieve a better usability.
Detailed information about cookies

We use cookies on our website. Cookies are small files that are stored in your browser / on your terminal device. Cookies enable us to provide you with certain functionalities on our website. Cookies are also used to collect statistical data that helps us to better understand the use of our website and to optimise the website.
Cookies of the following categories are used on this website:

Cookies used on this website
Privacy policy