SPECIFICATIONS FOR MEASUREMENT OF TANd/C

• Test frequency: 10 to 100Hz
• Maximum current: depends on external components (circuit breakers), standard is 10A, 50 mA and 2A also available.
• Reference capacitor: 1nF rated up to 20 kV at 23°C, correction in settings, see QA certificate for exact values.
• Tand: 10-5 (resolution)
• Error: Tand: 1-2⋅10-4 (uncertainty), Capacitance 0.5% at 5V input at 23°C.
• Display units: selected by user interface
• Power supply: USB (required for external power supply of PD module)
• Harmonics: numerically rejected by the software algorithm
• USB interface: PC requirement: desktop or laptop computer, Windows XP, 512 MB (min.)
• Voltage test range: 15kV (DELTAMAXX 15), 20kV (DELTAMAXX 20), 30kV (DELTAMAXX 30), 50kV (DELTAMAXX 50)

SPECIFICATIONS FOR PARTIAL DISCHARGE MEASUREMENT WITH INTEGRATED COUPLING CAPACITOR

• Test frequency: 10 to 100Hz (HV frequency range)
• Coupling capacitor: 1nF rated up to 20 kV at 23°C, see quality assurance documents.
• Coupler impedance: Built-in high voltage isolation transformer
• PD bandpass: designed according to IEC60270,40-800kHz
• PD ranges: depends on version and test object and noise, typical 10pC to 200nC
• Max. pulse rep. rate: 40kHz
• Display: phase-resolved partial discharge pattern
• Power supply: USB and external 6VDC power source
• USB interface: PC requirement: desktop or laptop computer, Windows XP, 512 MB (min.)
• Voltage test range: 15kV (DELTAMAXX 15), 20kV (DELTAMAXX 20), 30kV (DELTAMAXX 30), 50kV (DELTAMAXX 50)