Measurement section

• FRA Method Sweep frequency (SFRA)
• Frequency range 0.1 Hz – 25 MHz, user selectable
• Number of points Default 1046,
• User selectable up to 32,000
• Measurement time Default 64 s, fast setting,
• 37 s (20 Hz – 2 MHz)
• Points spacing Log., linear or both
• Dynamic range /
• Noise floor
• >130dB
• Inaccuracy ±0.5 dB down to -100 dB
• z – 10 MHz)
• IF bandwidth / Integration time
• User selectable (10% default)
• Software FRAX for Windows 2000/ XP/Vista/7
• PC Communication
• Bluetooth and USB
• (galvanically isolated)
• Calibration interval Max 3 years Standards / guides Fulfill requirements in Cigre Brochure 342, 2008
• Mechanical condition assessment of transformer windings using FRA and Chinese standard DL/T 911-2004, FRA on winding deformation of power transformers, as well as other international standards and recommendations

Analog Output

• Channels 1
• Compliance voltage
• 0.2 – 24 V peak-to-peak
• Measurement voltage
• at 50 Ω 12 V peak-to-peak
• Output impedance 50 Ω
• Protection Short-circuit protected

Analog Input

• Channels 2
• Sampling Simultaneously
• Input impedance 50 Ω
• Sampling rate 100 MS/s

PC Requirements

• Operating system Windows 2000/ XP / Vista / 10
• Processor Pentium 500 MHz
• Memory 256 Mb RAM or more
• Hard drive Minimum 30 Mb free
• Interface Wireless or USB (client)

General

• Mains voltage 11 – 16 V DC or 90 – 135 V AC and 170 – 264V AC, 47 – 63 Hz

Dimensions

• Instrument 250 x 169 x 52 mm
• Transport case 520 x 460 x 220 mm

Weight

• Instrument 1.4 kg (3.1 lbs)