Kobold NBK-ATEX Operating Instructions Manual Download Page 26

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NBK-03 to -33 ATEX

page 26

NBK-03 to -33 ATEX K10/0322

12.

Options

Code

Description

Sketch/picture

Availability

Top bypass tube connections

Without vent plug

NBK-03/06/07
NBK-10/31/32/33,
standard

With vent plug G ½

NBK-10
NBK-03/06/07,
standard

Flange connection DN50 (pressure rating as process
flange)

NBK-03/06/07/10

Flange connection 2” ASME
(pressure rating as process flange)

NBK-03/06/07/10

Vent flange DN15, stainless steel 1.4571
(pressure rating as process flange)

NBK-03/06

Vent flange DN20, stainless steel 1.4571
(pressure rating as process flange)

NBK-03/06

Vent flange DN25, stainless steel 1.4571
(pressure rating as process flange)

NBK-03/06

Vent flange ½” ASME, stainless steel 1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

Vent flange ¾ ASME, stainless steel 1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

Vent flange 1” ASME, stainless steel 1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

Vent valve NAD-MMN15, ½” NPT, stainless steel
1.4571 (316 Ti), max. temp.: +120 °C

NBK-03/06

Vent valve NAD-MMR15, G ½, stainless steel 1.4571,
max. temp.: +120 °C

NBK-03/06

not possible with transmitter options E/R/B

Bottom bypass tube connections

Without drain plug

NBK-03/06/07
NBK-10/31/32/33
standard

With drain plug G ½

NBK-10
NBK-03/06/07,
standard

Flange connection DN50 (pressure rating as process
flange), with drain plug G½

NBK-03/06

Flange connection 2” ASME (pressure rating as
process flange), with drain plug ½ “NPT

NBK-03/06

Flange connection DN50 (pressure rating as process
flange), without drain plug

NBK-03/06/07

Flange connection 2” ASME (pressure rating as
process flange), without drain plug

NBK-03/06/07

Drain flange DN15, stainless steel 1.4571 (pressure
rating as process flange)

NBK-03/06

Drain flange DN20, stainless steel 1.4571 (pressure
rating as process flange)

NBK-03/06

Drain flange DN25, stainless steel 1.4571 (pressure
rating as process flange)

NBK-03/06

Drain flange ½” ASME, stainless steel 1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

Drain flange ¾” ASME, stainless steel1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

Drain flange 1” ASME, stainless steel 1.4571 (316 Ti)
(pressure rating as process flange)

NBK-03/06

NBK-07/10

Summary of Contents for NBK-ATEX

Page 1: ...Operating Instructions for Bypass Level Indicator Model NBK ATEX...

Page 2: ...t contacts NBK R NBK RT NBK RA 9 7 2 Wiring Diagram 10 7 3 Safety Instructions 13 7 4 Ground connection for ATEX models 15 8 Commissioning 16 9 Trouble Shooting 17 10 Maintenance 17 11 Technical Infor...

Page 3: ...The devices are only to be used maintained and serviced by persons familiar with these operating instructions and in accordance with local regulations applying to Health Safety and prevention of acci...

Page 4: ...h is exactly within the range limit then the stricter test method must be used 3 Instrument Inspection Instruments are inspected before shipping and sent out in perfect condition Should damage to a de...

Page 5: ...liquid being measured Proper operation is also impaired by high degree of soiling suspended solids crystallisation ferrite particles 4 2 Electrical Limit Switches option The optional electrical limit...

Page 6: ...when the power supply fails Transmitter To remotely transmit the level a transmitter with an immersible magnetic probe chain of resistors or a magnetostrictive transducer can be mounted outside the by...

Page 7: ...K should be subjected to constant shock or strong vibrations it is recommended that the instrument is secured with rubber damped tube clips No welding is allowed on the bypass tube Mount and tighten t...

Page 8: ...3 ATEX K10 0322 Mount and tighten the remote sensor if available and not already mounted on the bypass tube with the ribbon clamps The remote sensor must fully cover both process connections The cable...

Page 9: ...e g voltage peaks The use of a contact protection relay is recommended to avoid overloading the reed contacts Valid regulations for hazardous areas and regulations for installation DIN VDE 0165 shoul...

Page 10: ...rough cable gland Connect the remote sensor to the electronics according to the following table 7 2 1 Reed Contact Chain Resistor Output ATEX options 2 4 Resistance value increases proportionally with...

Page 11: ...put Options E R B L K N 7 2 3 Reed Contact Chain TRANSMITTER Output with display LED display option L K option LE or KE LCD display option L K option LC or KC ii For programming instructions of differ...

Page 12: ...NBK 03 to 33 ATEX page 12 NBK 03 to 33 ATEX K10 0322 Electrical connection in intrinsically safe mode Ex ia Electrical connection in explosion proof safe mode Ex d...

Page 13: ...ansmitter Li display It must be considered the minimum value of Pi Ii and Ui in all components used in the assembly Temperature class and or surface temperature relates only to a device operated at am...

Page 14: ...cal resistance Ensure that the device construction materials have chemical resistance sufficient to prevent mechanical deformations that may affect the device The responsibility for suitability and in...

Page 15: ...e 15 7 4 Ground connection for ATEX models The bypass has to be integrated into the potential equalisation system of the installation This can be carried out through the earth terminal which is shown...

Page 16: ...hes NBK RA Function of switches All switches have three connection poles black 2 blue 1 and brown 3 The black wire 2 is the common pole for both switching functions N C and N O contact The float must...

Page 17: ...correctly installed with the marking TOP upturned Check if dirt deposits in the bypass tube are blocking the float 10 Maintenance The drain plug should be opened occasionally to wash out any deposits...

Page 18: ...20 Operating temperature 40 C 400 C ceramic rollers 20 120 C POM rollers 104 200 C ball display 60 100 C NBK 31 32 33 Viscosity max 200 mm2 s standard Option up to max 460 mm2 s for NBK 03 Max measuri...

Page 19: ...ure 60 120 C Ambient temperature 20 80 C Protection IP66 Ball display model KF max length 3800 mm one piece Filling silicone oil Material ball PA high temperature Sight tube PC Sealing plug Stainless...

Page 20: ...67 ATEX marking II 2G Ex mb IIC T5 T6 Gb II 2D Ex mb IIIC IP67 T105 C Db ATEX reed contact resistor chain model 2 In protection type intrinsically safe Ex ia IIC only for connection to a certified in...

Page 21: ...5 mA Data for intrinsically safe current circuit see instruction manual Ui 28 VDC Ii 120 mADC Pi 0 84 W Li 10 H Ci 1 0 nF ATEX approval transmitter KEMA 03ATEX1535 II 1G Ex ia IIC T4 or T6 II 1D Ex ia...

Page 22: ...lt Data for intrinsically safe current circuit see instruction manual ATEX approval transmitter KEMA 03ATEX1537 II 1G Ex ia IIC T6 or T4 Ga II 1D Ex ia IIIC Da Max ambient temperature for T1 T4 85 C M...

Page 23: ...analogue and 1 PID Profibus PA connection Profibus PA Protocol standard EN 50170 vol 2 Profibus PA Function blocks 2 analogue Data for intrinsically safe current circuit see instruction manual ATEX ap...

Page 24: ...downscale 3 5 mA LED or LCD display options LE LC Power supply loop powered Voltage LED 3 3 V at 4 mA 3 7 V at 20 mA LCD max 2 5 V Medium temperature 40 120 C with option N up to 250 C Ambient tempera...

Page 25: ...ation voltage test operation 1 5 kVAC 50 VAC Signal noise ratio min 60 dB Response time programmable 1 60 s Updating time 400 ms Dimensions 44x20 2 mm Linear resistance input 0 10 k Output FoundationT...

Page 26: ...120 C NBK 03 06 V3 Vent valve NAD MMR15 G stainless steel 1 4571 max temp 120 C NBK 03 06 1 not possible with transmitter options E R B Bottom bypass tube connections D0 Without drain plug NBK 03 06...

Page 27: ...lay model KP KM KF standard with model KG see sketch NBK 03 06 07 10 31 32 33 M1 Measuring scale medium temperature 40 C 400 C engraved scale made of aluminium see sketch NBK 03 06 07 10 31 32 33 M2 M...

Page 28: ...xamination DIN 54 111 T1 only for V seam NBK 03 06 07 10 31 32 33 Q Dye penetration test DIN EN 571 1 NBK 03 06 07 10 31 32 33 X Pressure test with water 1 5 x PN NBK 03 06 07 10 31 32 33 Z Material c...

Page 29: ...3 ATEX K10 0322 page 29 Option ST Option TS Option A Option HL Option HF centred to dimens centred to dimens L Options process connection Option F A Option R N Option S Model Dimension X NBK 03 92 NBK...

Page 30: ...0 9 Titan C 0 8 Titan D 0 7 Titan E 0 6 Titan F 0 54 Titan V 1 0 stainless steel W 0 8 stainless steel H 0 8 CF340 Interface float min density difference 150 kg dm3 indicate both densities Titan Opti...

Page 31: ...Profibus PA FoundationTM Fieldbus ATEX Exia 4 with reed contact chain ATEX II 1 2G Exd IIC T6 Ga Gb L immersible magnetic probe reed chain 4 20 mA 2 wire ATEX Exd K immersible magnetic probe reed chai...

Page 32: ...180 245 NBK 33 PN 320 170 210 265 Clearance dimension A mm Model Rated pressure Medium density 0 54 kg dm3 0 6 kg dm3 0 7 kg dm3 0 8 kg dm3 0 9 kg dm3 1 kg dm3 NBK 03 PN16 Class 150 320 320 320 320 32...

Page 33: ...0 320 0 Remarks RT 10 C up to 50 C TS maximum allowable temperature in C temperature which is defined by pressure equipment manufacturer for which the pressure equipment is designed PS maximum allowab...

Page 34: ...ATEX K10 0322 NBK with transmitter options NBK with transmitter 2 E R B 4L K N and option MU options 2 E R B 4 L K N and option MS NBK with transmitter options E R B 4 L K N not possible with options...

Page 35: ...35 NBK with transmitter options NBK with transmitter options E R L K and display options E R L K and display LE KE or LC KC option LE KE or LC KC and option S NBK with transmitter NBK with transmitter...

Page 36: ...NBK 03 to 33 ATEX page 36 NBK 03 to 33 ATEX K10 0322 NBK with transmitter display options LE KE or LC KC and option TT NBK RA...

Page 37: ...B 171 The limit contacts NBK R NBK RT for bypass level indicators are in conformity with the standards noted below DIN EN 61010 1 2011 07 Safety requirements for electrical measuring control and labo...

Page 38: ...2014 30 EU EMC Directive 2014 35 EU Low Voltage Directive 2011 65 EU RoHS category 9 2014 68 EU PED Category III IV Diagram 1 vessel group 1 dangerous fluids Module D marking CE0575 Notified body DNV...

Page 39: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 39...

Page 40: ...NBK 03 to 33 ATEX page 40 NBK 03 to 33 ATEX K10 0322 16 Certificates 16 1 NBK EXAM...

Page 41: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 41...

Page 42: ...NBK 03 to 33 ATEX page 42 NBK 03 to 33 ATEX K10 0322...

Page 43: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 43...

Page 44: ...NBK 03 to 33 ATEX page 44 NBK 03 to 33 ATEX K10 0322...

Page 45: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 45...

Page 46: ...NBK 03 to 33 ATEX page 46 NBK 03 to 33 ATEX K10 0322...

Page 47: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 47...

Page 48: ...NBK 03 to 33 ATEX page 48 NBK 03 to 33 ATEX K10 0322 16 2 Transmitter LOM...

Page 49: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 49...

Page 50: ...NBK 03 to 33 ATEX page 50 NBK 03 to 33 ATEX K10 0322...

Page 51: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 51...

Page 52: ...NBK 03 to 33 ATEX page 52 NBK 03 to 33 ATEX K10 0322...

Page 53: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 53 16 3 Limit contact RA excerpt...

Page 54: ...NBK 03 to 33 ATEX page 54 NBK 03 to 33 ATEX K10 0322...

Page 55: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 55...

Page 56: ...NBK 03 to 33 ATEX page 56 NBK 03 to 33 ATEX K10 0322...

Page 57: ...NBK 03 to 33 ATEX NBK 03 to 33 ATEX K10 0322 page 57...

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Kobold NBK-ATEX, Operating Instructions Manual

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