Innovative technologies for safe handling of electrical power to achieve high availability

We offer you first-class quality and safety combined with global service and every support in resolving your monitoring problems.

  • Electrical safety for unearthed power supplies (IT systems)
  • Insulation monitoring equipment, insulation fault location systems
  • Power supplies for medical applications
  • Measuring and monitoring relays
  • Electrical safety for earthed power supplies (TN systems)
  • Using renewable energies efficiently: wind power, photovoltaics
  • Test systems for electrical equipment and medical technology


The lightweight version for mobile applications

Intelligent and practice-oriented

  • Safe testing of medical electrical equipment with patient connections, hospital beds, care beds and electrical equipment
  • Easy-to-use
  • Classification help
  • Four operating keys


  • Easy and safe to handle
  • Automatic and manual test sequences
  • Data input via keyboard or barcode scanner
  • Visual inspection, functional test and electrical tests
  • 600 data records can be stored
  • Data exchange and storage via UNIData 300 software
  • Compatible with common application programs z. B. visual FM, MT Data and Fundamed

Wide variety of interfaces

  • RS-232 connection
  • PS/2-port for scanner and keyboard
  • Centronic connection for the printer

Standard accessories

  • Carrier bag of robust design, universal carrying concept
  • Measuring lead with test probe and test terminal
  • 0-modem cable
  • Converter cable USB/RS-232
  • Data management software UNIData 300


  • Calibration interval 36 months
  • 36-month warranty
  • Software updates for effective application in the future


Standard-compliant tests in accordance with:

  • IEC 62353:2007-05
  • DIN EN 62353 (VDE 0751-1):2008-08
  • ÖVE/ÖNORM EN 62353:2009-01
  • DIN VDE 0701-0702:2008-06
  • ÖVE E8701-1:03-01

The following tests can be performed

  • Protective earth conductor resistance
  • Insulation resistance
  • PE current
  • Equipment leakage current
  • Touch current
  • Applied part leakage current

Measurement methods of leakage currents

  • Direct measurement method
  • Differential measurement method
  • Equipment leakage current -alternative measurement

Further measurements and tests

  • Mains voltage
  • Current consumption
  • Visual inspection
  • Functional test

UNIMET® 400ST Variant(s)

Country specific device

UNIMET® 400ST (D/D)B96024000
UNIMET® 400ST (GB/GB)B96024001

Optional Accessories for UNIMET® 400ST

Barcode scanner-PS/2B96020082
DS32A Three-phase adaptor for testing medical electrical three-phase devices in operating condition (acc. to DIN EN 62353, DIN VDE 0751-1, DIN VDE 0701-0702)B96020098
PAT BoxB96020096
DS32 DCT Three-phase adaptor – passive Three-phase adaptor for testing from devices and cables not in operating conditionB96020100

Downloads for UNIMET® 400ST

CE Declarations of conformity UNIMET® 300ST - 400ST 82.8 KB 2022/08/12 06:17:2612.08.2022 06:17:26
Datasheets DS32A 450.0 KB DE2019/05/13 10:31:3413.05.2019 10:31:34D00147
Manuals UNIMET® 400ST 2.8 MB DE2020/01/08 06:59:3308.01.2020 06:59:33D00238
Manuals UNIMET® 400ST 3.8 MB EN2020/01/08 07:04:0908.01.2020 07:04:09D00238
Flyer UNIMET® 400ST 350.0 KB DE2020/01/06 11:27:4006.01.2020 11:27:40D00238
Product Brochures UNIMET® 400ST 396.2 KB DE2020/01/16 08:15:3316.01.2020 08:15:33D00238
Product Brochures UNIMET® 400ST 365.7 KB EN2020/01/16 08:15:4416.01.2020 08:15:44D00238
Software Informationen zum Software Update von UNIMET 359.9 KB DE2019/05/13 10:32:0413.05.2019 10:32:04
Software Information on the software update for UNIMET 107.7 KB EN2019/05/13 10:32:1313.05.2019 10:32:13
Manuals Verpackungshinweis UNIMET® 400ST 237.6 KB DE2020/01/06 10:59:0406.01.2020 10:59:04D00238