Continuous level measuring system NB 4000
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Continuous level measuring system NB 4000 Selection list Page Overview 2 ------------------------------------------------------------------------------------------------------------------Specification/ application 3 ------------------------------------------------------------------------------------------------------------------NB 4000 4 ------------------------------------------------------------------------------------------------------------------Options/ Accessories 6 ------------------------------------------------------------------------------------------------------------------Dimensions/ materials 7 ------------------------------------------------------------------------------------------------------------------Spare parts 9 ------------------------------------------------------------------------------------------------------------------Electrical installation 11 Subject to change. All dimensions in mm (inches). By publishing this selection list all other lists become invalid. All prices in Euro (€) or USD ($), excluding VAT. We assume no liability for typing errors. All EURO prices are EXW Betzigau, all USD prices are EXW Memphis, excluding packaging costs. Valid: From 01.01.2022 until 31.12.2022, unless otherwise agreed. Different variations to those specified are possible. Please contact our technical consultants.

Continuous level measuring system NB 4000 Selection list Overview Features Continuous level measurement of solids applications Process • Independent of bulk material properties • Accurate measurement Service • Simple installation and commissioning • Rope and tape version with long service life • Low maintenance Approvals • Approval for use in Hazardous Areas • 2011/65/EU RoHS conform Fig. with flange DN100 and PVC sensor weight Mechanics • Measurement range up to 30 m (100 ft) • 11/2" process connection possible • Aiming flange to be mounted directly on a flat silo roof • Internal tape...

Continuous level measuring system NB 4000 Selection list Specification / application Specification Process Measurement range 15 m (50 ft) or 30 m (100 ft) Process temperature Process overpressure Min. powder density >300 g/l (18 lb/ft3) Electronics Power supply 4-20 mA 2 relais (optional) Modbus RTU Ordinary Location Application Solids measurement Aiming flange screwed directly to the silo roof For measurements through a long pipe in a double chamber silo we recommend the use of NB 4200 (tape version).

Continuous level measuring system NB 4000 Selection list (fig. with flange DN100 and PVC sensor weight) (fig. with thread connection and stainless steel sensor weight) Cable entries (by default) Depending on selected version (options see pos.26): CE, ATEX, TR-CU Open conduit ANSI B1.20.1: 1x NPT 3/4" and 1x NPT 1/2" Blindplug: 1x NPT 3/4" and 1x NPT 1/2"

Continuous level measuring system NB 4000 Selection list Rope version Tape version CE (1) ATEX II 1/2D Ex ta/tb IIIC T! Da/Db FM general purpose FM Class II, III Div.1 Group E-G TR-CU Ex ta/tb IIIC T117°C…T150°C Da/Db X Measurement range Power supply/ Signal output

Continuous level measuring system NB 4000 Selection list Options / Accessories Options x Guarantee extension to 5 years Wear and tear parts rope/ tape and motor not included Weather protection cover For Ex only approved for Zone 22 or Division 2 Internal heater Needed for: ambient temp. < -20°C (-4°F) or condense water inside silo or wet process atmosphere (Note: < -20°C (-4°F) with ATEX, FM Class II or TR-CU on request possible) Length of socket pipe POM or stainless steel (in accordance to selected sensor weight material, not for pos.6 E) Relais output

Continuous level measuring system NB 4000 Selection list Dimensions and materials Basic unit Process connection: Flange Process connection: Aiming flange To be screwed directly to the silo roof 0° - 50° adjustable Including screws, nuts and sealing Process connection: Thread Rope/ tape Silo roof Flange plate outside dimensions: Width x Heigth: 120 mm x 180 mm (4.7" x 7.1") X = Length to bottom of sensor weight (in upper stop position, see next page) Housing inside Thread/ flange Aluminium, powder coated Aiming flange A = Length of socket pipe 100 mm (3.9") Optional 200 mm (7.9")/ 500 mm...

Continuous level measuring system NB 4000 Selection list Dimensions and materials Sensor weights Rope version Stainless steel Folding cover 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 All sensor weights: 1,6 kg (3.5 lbs) Tape version Stainless steel Folding cover 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 (303) All sensor...

Continuous level measuring system NB 4000 Selection list Spare parts Minimum order value for separate orders of spare parts or accessories is 75 €. Roller (Rope/ tape rolls are supplied with an assembly set for proper mounting) sl103239 sl103240 sb103239 sb103240 Rope roller with 15 m rope Rope roller with 30 m rope Tape roller with 15 m tape Tape roller with 30 m tape Sensor weights All sensor weights are delivered incl. mounting parts for proper fixing to the rope/ tape and excl. rope/ tape For rope version: PVC without pin sl103231 PVC with pin sl103232 Stainless steel without pin...

Continuous level measuring system NB 4000 Selection list Spare parts Sensor weights/ Mounting set All sensor weights are delivered including stated parts for proper fixing to the rope/ tape Rope version Tape version Mounting set Sensor weight Sensor weight Mounting set Internal heater Weather protection cover

Continuous level measuring system NB 4000 Selection list Electrical installation Version 4-20 mA Terminal location Internal terminals for motor and heater Terminals for: • Power supply • Signal input: Start of measurement Measurement interruption • Signal output: 4-20 mA Relais Protective conductor terminal Note: Terminal 30 and 31 not used Power supply AC or DC supply depending on ordered version 20 .. 28 V DC Start of measurement Measurement interruption Start contact Measurement interruption in case of filling. If used, remove factory provided connection.