NAG Vegaflex - Model 81 -Guided Wave TDR Microwave Sensor for Continuous Liquid Level Measurement

• Lube Oil Tanks
• Water Tanks
• Day Tanks

• Maintenance free reliable operation
• Unaffected by steam, dust, foam, or changes in density
• Operates independently of noise, pressure, or temperature fluctuations
• Customizable in-tank rods and cable for specific tank and customer requirements

• Measuring Range: Cable probe up to 75 m (246.1 ft), Rod probe up to 6 m (19.69 ft)
• Measuring Accuracy: ± 2 mm
• Process Pressure: -1 … +40 bar/-100 … +4000 kPa (-14.5 … +580 psig)
• Process Temperature: -40 to +200 °C (-40 to +392 °F)
• Ambient, Storage, and
• Transport Temperature: -40 to +80 °C (-40 to +176 °F)
• Process Fitting: Threads from G¾, ¾ NPT, flanges from DN 25, 1”

Electrical

• Operating Voltage: 9.6 to 35 VDC
• Output:
  • Profibus PA
  • Foundation Fieldbus
  • 4 to 20 mA/HART - two-wire
  • Modbus
  • 4 to 20 mA/HART - four-wire

Materials

• Wetted Parts: Stainless Steel 316L
• Display: LCD in dot matrix
• Instrument Seal: FKM, FFKM, EPDM
• Housing: Plastic, Stainless Steel, Aluminum
• Protection Ratings:
  • IP66/IP68 (0,2 bar)
  • IP66/IP67
  • IP66/IP68 (1 bar)

Approvals

• SIL Qualification: SIL 2
• Ship Approval: ABS, BV, CCS, DNV, GL, LR, NK, RINA
• Hazardous: ATEX, FM, CSA, IEC
• Scope:
  • ATEX / Europe
  • CSA / Canada
  • FM / USA
  • IEC / worldwide
  • INMETRO / Brazil
• Overfill Protection:
  • WHG
  • VLAREM II
• Explosion Protection:
  • Intrinsic safety Ex ia
  • Pressure-tight encapsulation Ex d
  • Protection through housing St Ex