NBK-19 Bypass Level Indicator

Brand: KOBOLD Instruments, Inc.

The KOBOLD bypass level indicator model NBK-19 is based on the simple function principle of cable and deflection pulley.

The tank float, made of PPH or stainless steel, is moved up and down by the medium depending on the level in the tank. This tank float has a counter-float (counterweight), which moves correspondingly in a transparent PVC tube in dependence on the level.

The floats are connected to one another by means of a cable over 2 deflection pulleys. The magnetic counter-float has a ring marking for reading the scale on the bypass PVC tube.

Specifications

Accuracy

  • ± 0.039" (± 1 mm)

Ambient Temperature Range

  • 60° C (140° F) - Maximum

Cable Length

  • 9.84 feet (3 metres)

Cable Material

  • 304L Stainless Steel
  • Polypropylene
  • PVC

Consumption

  • < 5 W (Without Load)

Electrical Contacts

  • Bistable Changeover Contact
  • Reed Contact

Electrical Rating

  • 230 Vac/dc, 1 A, 60 W/VA

Enclosure, Body Material

  • Plastic

Environmental Protection

  • IP54
  • IP65
  • IP67

Hysteresis

  • 0.59" (15 mm)

Length

  • 0.6 to 15.7 feet (0.2 to 4.8 metres) - Measuring Length

Load

  • 500 ohms, Maximum

Materials of Construction

  • 303 Stainless Steel - Deflector Pulleys
  • 304L Stainless Steel - Float, Deflector Pulleys (Bearing Block)
  • Polyamide (PA6) - Deflector Pulleys
  • Polypropylene - Fastening Strap, Roller Display
  • Polypropylene Homopolymer - Float
  • PVC - Bypass Tube

Maximum Current

  • 0.1 A - Measuring Current

Maximum Voltage

  • 24 Vdc - Measuring Circuit

Operating Temperature

  • 60° C (142° F) - Maximum

Output

  • 4-20 mA

Resistance

  • 5 kiloohms Approximately - Total Resistance

Resolution

  • 0.78" (20 mm)

Scale Panel Material

  • Polyester

Sensor, Probe Connection

  • 2-Wire
  • 4-Wire

Supply Voltage

  • 16-32 Vdc
  • 24 Vdc At, Maximum

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