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NBK-01 Bypass Level Indicator

Brand: KOBOLD Instruments, Inc

Kobold bypass level indicators are used for continuous measurement, display and monitoring of liquid levels. The bypass tube is attached onto the side wall of the vessel. According to the law of communicating tubes the level in the bypass tube equals the level in the vessel. 

A float with embedded magnets in the bypass tube follows the liquid level and transfers it in a non-contacting manner to a display fitted outside the tube or to a monitoring device.
Features
  • Measuring length: maximum 5,500 mm
  • Pressure: maximum PN 16 / 150 lbs
  • Temperature: -40° to 120° C
  • Viscosity: maximum 200 mm²/s
  • Accuracy of transmitter: ±1 mm
  • Material: stainless steel 1.4301
  • Connection: R 1/2" R 3/4", R 1", R 1-1/4" according to DIN EN 10226-1, 1/2" NPT, 3/4" NPT, 1" NPT, 1-1/4" NPT
  • Rugged, reliable magnetic roller-type display located right at unit
  • Requires no auxiliary power resource
  • Limit contacts

Specifications

Accuracy

  • ± 0.039” (± 1 mm)

Ambient Temperature Range

  • -40° to 85° C (-40° to 185° F)

Applications

  • Mixing Vessels
  • Storage Tanks
  • Tanks on Ships
  • Water Tanks

BSP Connection

  • 1” BSPT
  • 1/2” BSPT
  • 1-1/4” BSPT
  • 3/4” BSPT

Cable Length

  • 9.84 feet (3 metres)

Cable Material

  • PVC

Electrical Contacts

  • Bistable Changeover Contact
  • Reed Contact

Electrical Rating

  • 230 Vac/dc, 1 A, 60 W/VA

Enclosure, Body Material

  • Aluminum Pressure-Cast
  • Polycarbonate

Environmental Protection

  • IP54
  • IP65
  • IP67

Gasket Material

  • PTFE

Hysteresis

  • 0.59” (15 mm)

Length

  • 13.12 feet (4,000 mm) - Max.
  • 18.04 feet (5,500 mm) - Max.

Load

  • 500 ohms, Max.

Materials of Construction

  • Aluminum - Roller Indication
  • Polypropylene - Roller Indication
  • Titanium - Float

Maximum System Pressure

  • psi: 232.1 (bar: 16, kPa: 1,600)

NPT Connection

  • 1” NPT Female
  • 1/2” NPT Female
  • 1-1/4” NPT Female
  • 3/4” NPT Female

Output

  • 4-20 mA

Process Temperature

  • -40° to 120° C (-40° to 248° F)

Resistance

  • 100 milliohms

Sensor, Probe Connection

  • 4-Wire

Supply Voltage

  • 24 Vdc at 150 mA

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