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METROLOGY
Metrology is a field of activity strongly influencing the quality of production and services. EZU utilizes a modern calibration laboratory accredited in accordance with ČSN EN ISO/IEC 17025. EZU offers you the services associated with the fulfillment of requirements stipulated in ČSN ISO 10012.
Measuring equipment is calibrated for the following quantities:
| Electric quantities | Range |
| DC voltage | 0 - 100 kV |
| AC voltage | 0,1 mV - 100 kV |
| Direct current | 5 pA - 1000 A |
| Alternating current | 1 µA - 1000 A |
| DC resistance | 0,1 mΩ - 100 TΩ |
| AC power | 10 mW - 21 kW |
| AC resistance | 0,1 Ω - 100 kΩ |
| Capacitance | 1 pF - 100 µF |
| Inductance | 0,1 mH - 10 H |
Types of measuring equipment calibrated:
- Analog and digital voltmeters, ammeters, clampmeters and multimeters
- Voltage and current sources and calibrators, high-voltage power sources, electrostaticfieldmeters
- Low resistance meters, insulation resistance meters, safety testers
- Standard resistors and decade resistors
- Wattmeters
- Analog and digital oscilloscopes, impulse generators
- RCL meters
Types of measuring equipment calibrated:
- Analog and digital voltmeters, ammeters, clampmeters and multimeters
- Voltage and current sources and calibrators, high-voltage power sources, electrostaticfieldmeters
- Low resistance meters, insulation resistance meters, safety testers
- Standard resistors and decade resistors
- Wattmeters
- Analog and digital oscilloscopes, impulse generators
- RCL meters
| Light quantities | Range |
| Candlepower | 1 cd - 10000 cd |
| Luminousflux | 50 lm - 10000 lm |
| Color temperature | 2000 K - 2900 K |
| Illuminance | 1 lx - 50000 lx |
| Luminance | 5 cd/m2 - 900 cd/m2 |
Types of measuring equipment calibrated:
- Reference standards of luminous intensity, luminous flux and color temperature
- llluminance and luminance meters
| Time and frequency quantities | Range |
| Frequency | 0,1 Hz - 3 GHz |
| Time interval | 5 ns - 100000 s |
| Revolutions | 30 min1 - 10000 min1 |
Types of measuring equipment calibrated:
- Counter, generators
- Stopwatches
- Revolution counters
| Temperature | Range |
| -50°C - 420°C |
Types of measuring equipment calibrated:
- Electronic thermometers
