Images are representations only.

NivoBob® - NB 4100 Electromechanical Lot System

Brand: UWT GmbH
Application Area

The electromechanical plumb bob sensors NivoBob® NB 4100  is used for continuous level measurement in bulk storage silos of various applications.

The simple electromechanical measuring method makes it a reliable all-rounder, approved in the practical use in almost all bulk solids.

Especially in granulates or bulk solids with a low DK value, the NB 4100 works perfectly.
Features
  • Durable, simple and reliable measuring principle up to 30 m measuring range
  • Works in almost all bulk granulates
  • Very cost-effective level sensor in bulk solids
Application Area

The electromechanical plumb bob sensors NivoBob® NB 4100  is used for continuous level measurement in bulk storage silos of various applications.

The simple electromechanical measuring method makes it a reliable all-rounder, approved in the practical use in almost all bulk solids.

Especially in granulates or bulk solids with a low DK value, the NB 4100 works perfectly.
Features
  • Durable, simple and reliable measuring principle up to 30 m measuring range
  • Works in almost all bulk granulates
  • Very cost-effective level sensor in bulk solids

Specifications

Measurement Pprinciple

  • Electromechanical Lot-Sensor

Measuring Task

  • Continuous Level Measurement

Version

  • Rope Version
  • Version with Aiming Flange

Medium

  • Solids

Mounting Position

  • Top
  • Angled (Top)
  • On a Socket

Ambient Temperature

  • -40° C to +60° C (-40 to +140° F)

Process Temperature

  • -40° C to +80° C (-40° F to +176° F)

Process Pressure

  • -0.2 bar … +0.2 bar (-3.0 psi … +3.0 psi)

Minimum Sensitivity

  • > 300 g/l (> 18 lb/ft³)

Housing Type

  • Dual Chamber

Housing Material

  • Aluminum

Housing Protection Rating

  • IP66, Type 4

Threaded Connection

  • ≥ R 1-1/2"
  • ≥ NPT 1-1/2"

Flange Connection

  • ≥ 2" / ≥ DN 100

Wetted Materials

  • Aluminum
  • Stainless Steel 1.4305 (303)
  • Stainless Steel 1.4301 (304)
  • Stainless Steel 1.4401 (316)
  • PVC
  • PA

Mechanical Load

  • Standard Motor: 0.8 kN

Accuracy

  • 1.5 % of max. range

Minimum Immersion Length

  • 245 mm (9.6")

Maximum Immersion Length

  • 1.265 m (4.18 ft)

Power Supply

  • 20-28 Vdc
  • 115 VAC
  • 230 VAC

Signal Output

  • 4-20 mA
  • Relay
  • Modbus RTU
  • Profibus DP

Approvals

  • CE, General Purpose, ATEX, TR-CU, FM

Explosion Protection

  • Dust Ignitionproof (Ex t)

User Interface

  • LCD Display with Push Buttons

Optical Indicator

  • LED + Display

Adjustment Possibility

  • Self Diagnostics
  • Menu-Driven Quick Start
  • Volume Table

Applications

  • Chemicals
  • Power
  • Metal
  • Building, Cement & Quarry
  • Food & Beverage
  • Animal Feed
  • Synthetics

Documentation