Electrical Engineering

Services

• Diagnostic measurements on technological materials and electrical equipment (machines) consisting of determination of electric parameters such as dissipation factor, permittivity, dielectric strength, partial discharges, insulation resistance, internal and surface resistivity or leakage current
• Diagnostic measurements on technological materials and electrical equipment consisting of determination of the frequency, voltage and temperature characteristics
• Measurements of internal and surface resistivity

Equipment

• Lemke* probe for partial discharge detection and localization
• Doble PD SMART system for global partial discharge measurement according to IEC 60270 with digital analysis of dynamic events
• LDV5 and Haefely 2820a test units for measuring dissipation factor tan δ as a function of voltage and temperature
• Keithley 6517A electrometer for measuring absorption and resorption currents with automated data logging
• * Portable equipment for on-site / field measurements

Services

• Static tensile, compression, and bending/flexural testing at ambient and elevated temperatures
• Impact bending tests for metallic and non-metallic materials
• Hardness testing of plastics according to Shore A and Shore D standards (ISO 868, ASTM D2240)

Equipment

• Precision digital testing systems for measuring mechanical properties of materials up to 100 kN and 3 kN, supporting temperature-dependent testing up to 250 °C
• Universal testing machine for tensile, compression, and flexural tests, equipped for Charpy impact toughness testing (50 J)

Services

• Primary Electrical Quantities Facility:
• Calibration of measuring instruments and signal transducers
• Precision measurement of fundamental electrical quantities
• Precision Frequency Facility:
• Frequency measurement up to 2 GHz and signal generation up to 1 GHz with 10-digit resolution and accuracy of 10-10
• Time-domain, statistical, and frequency-domain analysis
• Accuracy verification for frequency counters and frequency accuracy testing for signal generators

Equipment

• Fluke 5500A multi-product calibrator
• Agilent 3458A 8½ digit precision multimeter
• Fei-Zyfer NanoSync 2 GPS-synchronized frequency secondary standard
• HP 5372A frequency analyzer (Opt. 040, Opt. 090)
• HP 8662A and Agilent 33522B signal generators

Quantity / Parameter	Source / Generation	Measurement
DC Voltage	0 to 1,000 V (±0.006%)	0 to 1,000 V (±0.001%)
DC Current	0 to 11 A (±0.06%)	0 to 0.1 A (±0.004%)
AC Voltage	1 mV to 1,000 V (up to 500 kHz)	0 to 1,000 V (up to 300 kHz)
AC Current	0.02 µA to 11 A (up to 10 kHz)	1 µA to 1 A (up to 100 kHz)
Resistance	0.1 Ω to 10 MΩ (±0.02%)	0.01 Ω to 10 MΩ (±0.005%)

Services

• Measurement of fundamental and parasitic parameters of electronic components
• Measurement of mutual inductances and capacitances in electronic systems and devices
• Parameter testing and measurement of conductors and cables
• Power grid parameter measurement (voltages, currents, active, reactive, and apparent power)
• Measurement and analysis of harmonic components in single-phase and three-phase power networks
• High-speed process and transient event recording
• Image sequence and high-speed video analysis
• Measurement of static and low-frequency magnetic flux density (1D and 3D magnetic field measurements)
• Parameter characterization of aqueous electrolyte solutions
• pH measurement of aqueous sample solutions
• Electrical conductivity measurement of liquid samples, including foodstuff and bio-based samples
• Atmospheric gaseous oxygen concentration measurement, including in-line and in-pipe measurements using specialized tube adapters

Equipment

• Agilent 4263B LCR Meter: Universal instrument for resistance, inductance, capacitance, and quality factor Q-factor measurements
• Rohde & Schwarz FS300 RF spectrum analyzer and SM300 RF signal generator
• Chauvin Arnoux C.A 8332B three-phase power quality analyzer
• Basler acA2000 high-speed digital camera
• Elimag MP-1 and Lutron GU-3001 teslameters / gaussmeters
• HT 55-I high-voltage DC power supply unit
• Lovibond SensoDirect PH110 portable pH meter: field measurements of standard solutions across the 0 to 14 pH range
• inoLab Cond 7310 laboratory conductivity meter: measurement of electrolyte conductivity across standard operating ranges (~10 µS/cm to 10 mS/cm)
• Greisinger GMH 3691 portable oxygen meter / oximeter

Services

• Measurement of permittivity
• Measurement of dissipation factor tan δ
• Frequency-domain dielectric measurements (frequency range: 3 µHz to 40 MHz, temperature range: -160 to +400 °C)
• Analysis of dynamic relaxation processes using specialized software
• Material behavior characterization applicable to liquid and solid specimens (e.g., polymers, ceramics, glass, insulating oils)

Equipment

• Alpha A Novocontrol Concept 50 dielectric analyzer

Services

Equipment

Test Procedure / Method Name	Test Procedure / Method Identification
Electrostatic discharge immunity test	ČSN EN 61000-4-2 ed. 2
Electrical fast transient / burst immunity test	ČSN EN 61000-4-4 ed. 3
Surge immunity test	ČSN EN 61000-4-5 ed. 2
Power frequency magnetic field immunity test	ČSN EN 61000-4-8 ed. 2
Pulse magnetic field immunity test	ČSN EN 61000-4-9+Z1
Voltage dips, short interruptions and voltage variations immunity test	ČSN EN 61000-4-11 ed. 2
Industrial, scientific and medical equipment – Radio-frequency disturbance characteristics measurement	ČSN EN 55011 ed. 3+A1
Electromagnetic disturbance characteristics measurement for household appliances, electric tools and similar apparatus	ČSN EN 55014-1 ed. 3
Information technology equipment – Radio disturbance characteristics measurement	ČSN EN 55022 ed. 2
Damped oscillatory wave immunity test	ČSN EN 61000-4-12 ed. 2
Electromagnetic compatibility, railway applications – Train and complete vehicle	ČSN EN 50121-3-1 ed. 3
Electromagnetic compatibility, railway applications – Apparatus	ČSN EN 50121-3-2 ed. 3
Radiated, radio-frequency, electromagnetic field immunity test	ČSN EN 61000-4-3 ed. 3+A1+Z1+A2
Immunity to conducted disturbances, induced by radio-frequency fields	ČSN EN 61000-4-6 ed. 4