LEM电压传感器DVL250/DVL500/DVL750/DVL1000/DVL1500/DVL2000系列

Voltage transducers for Industrial and Traction - for small and medium voltage measurements

主要特点：

·Compact design

·紧凑的设计

·A unique design to cover all measuring ranges

·设计*，覆盖所有的测量范围

·Voltage measurement from 50 to 2000 VRMS

·电压测量从50到2000 Vrms的

·High level of insulation test voltage: 8.5 KVRMS / 50 Hz / 1 min

·高水平的绝缘测试电压8.5 kVRMS的/ 50赫兹/ 1分钟

·High level of RMS voltage (2.7 kV) for partial discharges extinction @10 pC

·高电压（2.7 kV）的局部放电熄灭@ 10 PC

·Excellent overall accuracy:

·优良的整体精度：

§+/- 0.4% of Vpn at + 25°C

§+ / - 0.4% + 25°c VPN

§+/- 1% of Vpn over the operating temperature range

§+ / - 1%的VPN在工作温度范围

·High bandwidth (short response time): 14 KHz (-3 dB)

·高带宽（响应时间短）：14千赫（3分贝）

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 auxilary 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