DVL serijos įtampos keitikliai

Main characteristics:

• Compact design
• A unique design to cover all measuring ranges
• Voltage measurement from 50 to 2000 VRMS
• High level of insulation test voltage: 8.5 KVRMS / 50 Hz / 1 min
• High level of RMS voltage (2.7 kV) for partial discharges extinction @10 pC
• Excellent overall accuracy:
  • +/- 0.4% of Vpn at + 25°C
  • +/- 1% of Vpn over the operating temperature range
• High bandwidth (short response time): 14 KHz (-3 dB)

Features:

• DC, AC and pulse voltage measurements with galvanic isolation
• Power supply: +/- 13,5 ...26,4 V
• Operating temperature range: -40°C to +85°C
• Flexibility with modular connections for primary and secondary sides (connectors, shielded cables, terminals ...)
• Current output as +/- 50 mA or current loop 4 to 20 mA

Standard compliance:

• EN50155:2007 for traction applications such as:
  • Main and auxiliary converters
  • Circuit breaker
  • Substations
  • Battery chargers
  • Propulsion and braking chopper
  • but also industrial applications
• European Directive EMC 2004 / 108 / EEC : CE Marking
• Using UL94-VO recognized materials
• EN 50121-3-2:2006: Railway EMC standard
• EN 50124-1:2001: Insulation levels
• EN 50178:1997: for industrial applications
• NFF 16101/2: Fire and smoke classification
• Developed according to IRIS standard

Remarks:

• New innovative patented insulating digital technology
• Economic, 30% power saving
• 30% lighter
• Unmatched immunity to electromagnetic disturbances
• Insensitive to magnetic fields
• 100% compatible with previous generations of transducers in performance and footprint