2. Product Overview
  3. Process sensors
  4. Level measurement
  5. Level switch
  6. Universal
  7. LBFS
Technical data
Performance characteristics
Measuring principle
  • CleverLevel level switches (Frequency Sweep)
Media characteristics
  • DC > 1.5
Hysteresis
  • ± 1 mm
Repeatability
  • ± 1 mm
Step response time
  • 0.1 s , typ.
  • 0.2 s , max.
Damping
  • 0 … 10 s , adjustable
Process connection
Wetted parts material
  • PEEK Natura
  • AISI 316L (1.4404)
  • AISI 304 (1.4301), optional
Surface roughness wetted parts
  • Ra ≤ 0.8 µm
Output signal
Output type
  • PNP
  • NPN
Switching logic
  • Normally closed (NC)
  • Normally open (NO)
Compliance and approvals
EMC Emission
  • EN 61326, installed in a closed metal tank
EMC Immunity
  • EN 61326, installed in a closed metal tank
Hygiene
  • Refer to section "Compliance and approvals"
Railway applications
  • EN 50155
Safety
  • cULus listed, E365692
  • WHG (overfill, leakage)
Explosion protection
  • ATEX II 1D Ex ta IIIC T100 °C Da
  • ATEX II 1G Ex ia IIC T4/T5
  • ATEX II 3G Ex nA IIC T4/T5
Videos
 
Downloads
Data sheet
Installation and operating instructions
Certificates / approvals
Technical Reports / White Paper
Software
3D CAD / CAE

Drawings

Drawings

Connector M12-A, 4-pin, polycarbonate (with LED)

(png | 31 KB)

Cable outlet, 4-wire, 5 m length

(png | 52 KB)

Connector M12-A, 4-pin, stainless steel (without LED)

(png | 19 KB)

G 1/2 A ISO 228-1 BSC (BCID: G07)

(png | 75 KB)

G 3/4 A ISO 228-1 (BCID: G10)

(png | 80 KB)

G 1 A ISO 228-1 (BCID: G11)

(png | 83 KB)

G 1/2 A hygienic (BCID: A03)

(png | 77 KB)

G 1/2 A ISO 228-1 for reverse assembly (in-shell thread) (BCID: T10)

(png | 76 KB)

3/4-14 NPT (BCID: N03)

(png | 47 KB)

M18 × 1 ISO 261 / ISO 965 (BCID: M11)

(png | 28 KB)

G 1/2 A DIN 3852-E (BCID: G51)

(png | 43 KB)

G 1/2 A DIN 3852-E (BCID: G51)

(png | 43 KB)

G 1/2 A DIN 3852-E with cooling neck (BCID: G51)

(png | 100 KB)

G 1/2 A ISO 228-1 BSC with cooling neck (BCID: G07)

(png | 102 KB)

G 1/2 A hygienic, high temperature, with cooling neck (BCID: A03)

(png | 51 KB)

G 1/2 A hygienic, 82 mm length (BCID: A03)

(png | 48 KB)

G 1/2 A hygienic, sliding connection, 250 mm length (BCID: A03)

(png | 157 KB)

1/2-14 NPT with cooling neck (BCID: N02)

(png | 111 KB)

1/2-14 NPT (BCID: N02)

(png | 45 KB)

Hanging version

(png | 93 KB)
Accessories
Programming tool
Accessories process sensors – FlexProgrammer 9701 FlexProgrammer 9701
Configuration tool for process sensors

Article no.: 10260076
  • Operated from a PC, supplied from the USB port
  • Remote operation, supplied from a battery
  • User-friendly software with help menus
  • CleverLevel LFFS / LBFH / LBFI / LBFS / LBFS hanging / PL20, CombiPress PFMH / PFMN, CombiTemp TFRH / TFRN, CombiLyz AFI4 / AFI5, CombiView DFON, PBMH, PBMH autoclavable, PBMN flush, PBMN low pressure, PBMN high pressure, PBSN, FlexTop 22xx, FlexTemp 23xx, TCR6, TE2, TER8, PT20, TFR5
Accessories
Accessories process sensors – PROFSI3 PROFSI3
Switching repeater (CleverLevel Ex i)

Article no.: 11049888
  • Switching repeater for CleverLevel Ex i installations
  • ATEX certified
  • Galvanically isolated, intrinsically safe field circuit
  • Accepts one PNP output from LFFS, LBFS, LBFH or LBFI
  • Relay output with changeover contact
  • LED activity indicator
  • Fail safe switching logic
  • Wide supply voltage range (22 V DC … 253 V AC)
  • Plug-in screw terminals
Hygienic adapters – ZPH1-3236 ZPH1-3236

Article no.: 11007909

  • SMS 1145, DN 51
  • AISI 316L (1.4404)
  • 25 bar
Hygienic adapters – ZPH1-32A1 ZPH1-32A1

Article no.: 10347240

  • Rd52 (EH FTL EE2)
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32BA ZPH1-32BA

Article no.: 11118883

  • G 3/4 A ISO 228-1 (EH FTL GQ2)
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32BC ZPH1-32BC

Article no.: 11118834

  • G 3/4 A ISO 228-1 (VS Ø 21.3)
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32C0 ZPH1-32C0

Article no.: 10347657

  • G 1 A hygienic
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32CB ZPH1-32CB

Article no.: 11098659

  • G 1 A ISO 228-1 (EH FTL GW2)
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32CD ZPH1-32CD

Article no.: 11120583

  • G 1 A ISO 228-1 (VS Ø 21.3)
  • AISI 316L (1.4404)
  • 40 bar
Hygienic adapters – ZPH1-32D3 ZPH1-32D3

Article no.: 11188295

  • BHC 3A DN 38
  • AISI 316L (1.4404)
  • EHEDG
Hygienic adapters – ZPH3-3213 ZPH3-3213

Article no.: 11190720

  • ISO 2852 (Tri-Clamp), DN 25, Ø 50.5
  • DIN 32676-B (Tri-Clamp), DN 26.9, Ø 50.5
  • DIN 32676-C (Tri-Clamp), DN 1", Ø 50.5
  • ISO 2852 (Tri-Clamp), DN 33.7; 38, Ø 50.5
  • DIN 32676-A (Tri-Clamp), DN 32; 40, Ø 50.5
  • DIN 32676-B (Tri-Clamp), DN33.7, Ø 50.5
  • DIN 32676-C (Tri-Clamp), DN 1 1/2", Ø 50.5
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3216 ZPH3-3216

Article no.: 11190721

  • ISO 2852 (Tri-Clamp), DN 40; 51, Ø 64.0
  • DIN 32676-A (Tri-Clamp), DN 50, Ø 64.0
  • DIN 32676-B (Tri-Clamp), DN 42.4; 48.3, Ø 64.0
  • DIN 32676-C (Tri-Clamp), DN 2", Ø 64.0
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3221 ZPH3-3221

Article no.: 11190723

  • DIN 11851 (dairy pipe connection), DN 25
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3224 ZPH3-3224

Article no.: 11190724

  • DIN 11851 (dairy pipe connection), DN 40
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3225 ZPH3-3225

Article no.: 11190725

  • DIN 11851 (dairy pipe connection), DN 50
  • AISI 316L (1.4404)
  • 10 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-324E ZPH3-324E

Article no.: 11190729

  • Varivent® DN 32 … 125; 1 1/2" … 6" (Type N), Ø 68
  • AISI 316L (1.4404)
  • 10 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3254 ZPH3-3254

Article no.: 11190726

  • DIN 11864-1-A (aseptic screwed union), DN 40
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-3255 ZPH3-3255

Article no.: 11190727

  • DIN 11864-1-A (aseptic screwed union), DN 50
  • AISI 316L (1.4404)
  • 25 bar
  • EHEDG
  • 3-A
Hygienic adapters – ZPH3-344F ZPH3-344F

Article no.: 11190728

  • Varivent® DN 25; 1" (Type F), Ø 50
  • AISI 316L (1.4435 BN2)
  • EHEDG
  • 3-A
Thread adapters – ZPI1-32A ZPI1-32A

Article no.: 11046419

  • G 1/2 A DIN 3852-E
  • AISI 316L (1.4404)
  • 16 bar
Thread adapters – ZPI1-32B ZPI1-32B

Article no.: 10296367

  • G 1 A ISO 228-1
  • AISI 316L (1.4404)
  • 40 bar
Thread adapters – ZPI1-32D ZPI1-32D

Article no.: 11113925

  • G 1 1/2 A ISO 228-1
  • AISI 316L (1.4404)
  • 40 bar
Thread adapters – ZPI1-32E ZPI1-32E

Article no.: 11094800

  • G 2 A ISO 228-1
  • AISI 316L (1.4404)
  • 40 bar
Thread adapters – ZPI1-32G – Adapters, thermowells and inserts ZPI1-32G

Article no.: 11116340

  • 1-11.5 NPT
  • AISI 316L (1.4404)
Industrial weld-in sleeves – ZPW1-711 – ZPW1-721 ZPW1-711

Article no.: 11051428

  • Welding connection Ø 30 x 26
  • AISI 304 (1.4301)
  • 10 bar
Industrial weld-in sleeves – ZPW1-711 – ZPW1-721 ZPW1-721

Article no.: 11109771

  • Welding connection Ø 30 x 26
  • AISI 316L (1.4404)
  • 10 bar
Industrial weld-in sleeves – ZPW1-723 ZPW1-723

Article no.: 11177268

  • Welding connection Ø 26.5 x 15
  • AISI 316L (1.4404)
  • 100 bar
Industrial weld-in sleeves – ZPW1-728 ZPW1-728

Article no.: 11177269

  • Welding connection Ø 26.5 x 25
  • AISI 316L (1.4404)
  • 100 bar
Hygienic weld-in sleeves – ZPW2-326 ZPW2-326

Article no.: 10326080

  • Welding connection DN 25 … 50, Ø 29 x 36.5
  • AISI 316L (1.4404)
  • 40 bar
Hygienic weld-in sleeves – ZPW2-326 ZPW3-326

Article no.: 11218423

  • Welding connection DN 25 … 50, Ø 29 x 36.5
  • AISI 316L (1.4404)
  • 40 bar
  • 3-A
Hygienic weld-in sleeves – ZPW2-327 ZPW2-327

Article no.: 10347612

  • Welding connection DN 65 … 150, Ø 30 x 36.5
  • AISI 316L (1.4404)
  • 40 bar
Hygienic weld-in sleeves – ZPW2-327 ZPW3-327

Article no.: 11218428

  • Welding connection DN 65 … 150, Ø 30 x 36.5
  • AISI 316L (1.4404)
  • 40 bar
  • 3-A
Hygienic weld-in sleeves – ZPW3-321 ZPW3-321

Article no.: 11190740

  • Welding connection Ø 30 x 34
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic weld-in sleeves – ZPW3-321 ZPW3-381

Article no.: 11235188

  • Welding connection Ø 30 x 34
  • Hastelloy C-22
  • 40 bar
Hygienic weld-in sleeves – ZPW3-322 ZPW3-322

Article no.: 11190741

  • Welding connection Ø 45 x 34
  • AISI 316L (1.4404)
  • 40 bar
  • EHEDG
  • 3-A
Hygienic weld-in sleeves – ZPW2-324 ZPW2-324

Article no.: 10296300

  • Welding connection Ø 30 x 34
  • AISI 316L (1.4404)
  • 40 bar
Mounting aids for sliding connection – ZPX1-006 ZPX1-006

Article no.: 11108968

  • Compression ring kit
  • PEEK
  • 5 bar
Mounting aids for sliding connection – ZPX1-008 ZPX1-008

Article no.: 11161017

  • G 1/2 A gland nut
  • AISI 316L (1.4404)
  • 5 bar
O-Rings – ZPX2-430 – ZPX2-420 – ZPX2-410 ZPX2-410
NBR

Article no.: 11153808

  • G 1/2 A DIN 3852-E
  • NBR
O-Rings – ZPX2-430 – ZPX2-420 – ZPX2-410 ZPX2-420
EPDM

Article no.: 11153809

  • G 1/2 A DIN 3852-E
  • EPDM
O-Rings – ZPX2-430 – ZPX2-420 – ZPX2-410 ZPX2-430
FKM (Viton®)

Article no.: 11153810

  • G 1/2 A DIN 3852-E
  • FKM (Viton®)
ZPX3-14B0

Article no.: 11146485

  • G 1/2 A ISO 228-1 for reverse assembly (in-shell thread)
  • glass/aramide fiber with NBR
  • 40 bar
Blind plugs – ZPX5-32 ZPX5-32

Article no.: 10296329

  • G 1/2 A hygienic
  • AISI 316L (1.4404)
  • 100 bar
Welding mandrels – ZPX6-36 ZPX6-36

Article no.: 11122967

  • G 1/2 A hygienic
  • Brass
  • 40 bar
Mounting aids for reverse assembly (in-shell thread) – ZPX1-010 ZPX1-010
Lock nut for LBFS-xx5xx.x

Article no.: 11181926

  • G 1/2 A ISO 228-1 for reverse assembly (in-shell thread)
  • AISI 316L (1.4404)
Thread adapters – ZPX1-003 ZPX1-003
Cable holder for hanging sensors

Article no.: 11087198
ESG 34AY0200
Connectors and mating connectors

Article no.: 11166444

  • Connecting cable for Connector type M12
  • 2 m
  • Unshielded
  • Food & Beverage
ESG 34AY0500
Connectors and mating connectors

Article no.: 11166445

  • Connecting cable for Connector type M12
  • 5 m
  • Unshielded
  • Food & Beverage
ESG 34AY1000
Connectors and mating connectors

Article no.: 11166446

  • Connecting cable for Connector type M12
  • 10 m
  • Unshielded
  • Food & Beverage
ESG 34AY2500
Connectors and mating connectors

Article no.: 11166447

  • Connecting cable for Connector type M12
  • 25 m
  • Unshielded
  • Food & Beverage
ESW 33AY0200
Connectors and mating connectors

Article no.: 11166448

  • Connecting cable for Connector type M12
  • 2 m
  • Unshielded
  • Food & Beverage
ESW 33AY0500
Connectors and mating connectors

Article no.: 11166449

  • Connecting cable for Connector type M12
  • 5 m
  • Unshielded
  • Food & Beverage
ESW 33AY1000
Connectors and mating connectors

Article no.: 11166450

  • connecting cable for connector type M12
  • 10 m
  • unshielded
  • Food & Beverage
ESW 33AY2500
Connectors and mating connectors

Article no.: 11166451

  • Connecting cable for Connector type M12
  • 25 m
  • Unshielded
  • Food & Beverage
ESG 34AH0200
Connectors and mating connectors

Article no.: 10132540

  • Connecting cable for Connector type M12
  • 2 m
  • Unshielded
  • Suitable for flexible cable carriers
ESG 34AH0500
Connectors and mating connectors

Article no.: 10132548

  • Connecting cable for Connector type M12
  • 5 m
  • Unshielded
  • Suitable for flexible cable carriers
ESG 34AH1000
Connectors and mating connectors

Article no.: 10132549

  • Connecting cable for Connector type M12
  • 10 m
  • Unshielded
  • Suitable for flexible cable carriers
ESW 33AH0200
Connectors and mating connectors

Article no.: 10127803

  • Connecting cable for Connector type M12
  • 2 m
  • Unshielded
  • Suitable for flexible cable carriers
ESW 33AH0500
Connectors and mating connectors

Article no.: 10127804

  • Connecting cable for Connector type M12
  • 5 m
  • Unshielded
  • Suitable for flexible cable carriers
ESW 33AH1000
Connectors and mating connectors

Article no.: 10127805

  • Connecting cable for Connector type M12
  • 10 m
  • Unshielded
  • Suitable for flexible cable carriers
ESG 34AH0200G
Connectors and mating connectors

Article no.: 11046262

  • Connecting cable for Connector type M12
  • 2 m
  • Shielded
  • Suitable for flexible cable carriers
ESG 34AH0500G
Connectors and mating connectors

Article no.: 11046263

  • Connecting cable for Connector type M12
  • 5 m
  • Shielded
  • Suitable for flexible cable carriers
ESG 34AH1000G
Connectors and mating connectors

Article no.: 10125473

  • Connecting cable for Connector type M12
  • 10 m
  • Shielded
  • Suitable for flexible cable carriers
ESW 33AH0200G
Connectors and mating connectors

Article no.: 11046259

  • Connecting cable for Connector type M12
  • 2 m
  • Shielded
  • Suitable for flexible cable carriers
ESW 33AH0500G
Connectors and mating connectors

Article no.: 11046260

  • Connecting cable for Connector type M12
  • 5 m
  • Shielded
  • Suitable for flexible cable carriers
ESW 33AH1000G
Connectors and mating connectors

Article no.: 10126464

  • Connecting cable for Connector type M12
  • 10 m
  • Shielded
  • Suitable for flexible cable carriers
ES 18A PG7
Connectors and mating connectors

Article no.: 10214558

  • Connector not pre-assembled for Connector type M12
  • Unshielded
ES 14A PG7
Connectors and mating connectors

Article no.: 10255464

  • connector not pre-assembled for connector type M12
  • unshielded
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