Continuous level measuring system NivoBob® 4000
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Continuous level measuring system NB 4000 Technical information / Instruction manual Page Safety notes/ Technical support 2 ------------------------------------------------------------------------------------------------------ Introduction 3 -----------------------------------------------------------------------------------------------------Dimensions and materials 4 ------------------------------------------------------------------------------------------------------ Options/ Accessories 7 -----------------------------------------------------------------------------------------------------Technical data 8 -----------------------------------------------------------------------------------------------------Mounting 11 -----------------------------------------------------------------------------------------------------Mounting with aiming flange -----------------------------------------------------------------------------------------------------Signal overview 18 -----------------------------------------------------------------------------------------------------Programming 20 -----------------------------------------------------------------------------------------------------Maintenance General items 27 Diagnostics Maintenance 29 Diagnostics Failure 29 -----------------------------------------------------------------------------------------------------Notes for use in Hazardous Locations 11 Subject to technical change. We assume no liability for typing errors. Different variations to those specified are possible. Please contact our technical consultants.

Continuous level measuring system NB 4000 Technical information / Instruction manual Safety notes / Technical support Installation, maintenance and commissioning must be carried out only by qualified technical personnel. The product must be used only in the manner outlined in this instruction manual. 3 Special attention must be paid to warnings and notes as follows: WARNING Relates to a caution symbol on the product and means, that a failure to observe the necessary precautions can result in death, serious injury and/ or considerable material damage. Relates to a caution symbol on the...

Continuous level measuring system NB 4000 Technical information / Instruction manual The Nivobob® NB 4000 is an electromechanic level measuring instrument for continuous measuring of level or volumes in silos, hoppers or tanks. Applications • Powder, granulate, small or coarse bulk goods Available for industries such as • Food • Grain • Cement • Plastics • others Features Process • Suitable for most types of bulk goods • Independent of bulk material properties, such as: Dielectricity and conductivity of the bulk good Dusty atmosphere in the silo Changing humidity inside the product Products...

Continuous level measuring system NB 4000 Technical information / Instruction manual 2 Process connection: Flange 5 Process connection: Aiming flange To be screwed directly to the silo roof 0° - 50° adjustable Including screws, nuts and sealing 6 Process connection: Thread 7 Rope/ tape Silo roof 8 Flange plate outside dimensions: Width x Heigth: 120 mm x 180 mm (4.7" x 7.1") Dimensions X = Length to bottom of sensor weight (in upper stop position, see next page) Housing outside Aluminium, outside powder coated Thread/ flange A = Length of socket pipe 100 mm (3.9") Optional 200 mm (7.9")/...

Continuous level measuring system NB 4000 Technical information / Instruction manual Sensor weights Rope version Stainless steel Folding cover 5 380 x 380 mm (15 x 15") Material: 1.4310 (301)/ PA canvas For material densitiy >20g/l (1.2 lb/ft3) Fits through 11/2" mounting hole Tape version Stainless steel Fixing elements between tape and sensor weight: aluminium/ 1.4305 (304)

Continuous level measuring system NB 4000 Technical information / Instruction manual 2 Folding cover Spider 380 x 380 mm (15 x 15") Material: 1.4310 (301)/ 1.4305 (303)/ PA canvas For material densitiy >20 g/l (1.2 lb/ft3) Fits through 11/2" mounting hole Fixing elements between tape and sensor weight: aluminium/ 1.4305 (304) All sensor weights: 1.6 kg (3.5 lbs)

Continuous level measuring system NB 4000 Technical information / Instruction manual Options Pin for sensor weight Weather protection cover Recommended for powder The pin penetrates into the material and avoids slipping or tilting of the sensor weight on the steep bulk surface. If the unit is used outdoors, the use of the weather protection cover is recommended. It protects the device from all atmospheric influences such as • rain water • condensation water • excessively high temperatures • excessively low temperatures in winter Material: PE, weather and temperature stable For use in...

Continuous level measuring system NB 4000 Technical information / Instruction manual Technical data Electrical data Power supply AC version 230 V or 115 V 50 - 60 Hz +10%/ -15% (incl. 10% of EN 61010) DC version 20 .. 28 V (incl. 10% of EN 61010) Installed load DC version: One unit: 150 W (with or without internal heater) * Further units which are connected to the same power supply: 25 W per unit (without internal heater, motor off) ** 50 W per unit (without internal heater, motor running) 80 W per unit (with internal heater, supply voltage 20 V DC) 100 W per unit (with internal heater,...

Continuous level measuring system NB 4000 Technical information / Instruction manual Technical data Extension cables for Modbus Use common recommended cables Power supply to all other outputs/ inputs: Relay to relay: 2,210 Vrms Protection class Overvoltage category Pollution degree AC version 2,210 Vrms DC version: 1,000 VDC 4 Mechanical data Ingress protection Process connection Aiming flange: R 11/2" EN 10226 tapered, NPT 11/2" ANSI B1.20.1 tapered (Adapter for NPT 3" available) DN100 PN16 EN 1092-1 (unit fits to this flange) 2" or 3" or 4" 150lbs ANSI B16.5 (unit fits to this flange) To...