Electronic Level Sensor (LR2759)

Basic Attributes

• Analogue Voltage Output(V)

  • 0-10. invertible
  • 0-10. invertible; (scalable)

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• MAWP (for Applications According to CRN)(bar)

  • 16
  • 25
  • 40

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• Application

  • DIN EN 60654-1 application class B2

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• Electrical Connection - Plug

  • Cable: 0.1 m, PUR

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• Type of Short-Circuit Protection

  • pulsed
  • thermal, pulsed

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• Connection

  • Cable: 2 m, PUR; 5 x 0.34 mm²

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• Max. Resistance Switching Output(Ω)

  • 8

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• Electrical Connection

  • Connector: 1 x M12
  • Connector: 1 x M12; Contacts: gold-plated

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• Cannot Be Used For

  • See the operating instructions, chapter "Function and features".
  • extremely conductive media; adhering media; granulates; bulk material; acids; alkali; food and electroplating industry
  • extremely conductive media; adhering media; granulates; bulk material; acids; alkali; hygienic areas and electroplating applications
  • highly adhesive media

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• Detection Range(mm)

  • 228

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• Number of Digital Outputs

  • 3

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• Min. Load Resistance(Ω)

  • 2000

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• Short-Circuit Protection

  • Yes

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• Permanent Current Rating of Switching Output DC(mA)

  • 200

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• Max. Power-On Delay Time(ms)

  • 1300

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• Overload Protection

  • Yes

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• Measuring Range(mm)

  • < 200

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• Installation

  • Operation only in conjunction with rod and coaxial pipe.
  • suited for installation in existing tuning fork adapters

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• Dimensions(mm)

  • Ø 16
  • Ø 30 / L = 112
  • Ø 30 / L = 125
  • Ø 30 / L = 125.5
  • 250 x 28 x 16.7

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• Maximum Speed of the Change of Level(mm/s)

  • 100
  • 200
  • 300

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• Number of Inputs and Outputs

  • Number of digital outputs: 1; Number of analogue outputs: 1
  • Number of digital outputs: 2
  • Number of digital outputs: 3
  • Number of digital outputs: 4

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• Protection

  • IP 65; IP 67
  • IP 67
  • IP 67; (when used outside the hazardous area: IP 68 / IP 69)
  • IP 68; IP 69K
  • IP 68; IP 69K; (7 days / 1 m water depth / 0.1 bar: IP 68)

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• Power-On Delay Time(s)

  • < 3

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• Electrical Design

  • PNP
  • PNP/NPN
  • PNP/NPN; (parameterisable)

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• Materials

  • stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; NBR; PBT; PC; PA; PP; TPV
  • stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; NBR; PBT; PC; PP; PA; TPV
  • stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; PBT; PC; PEI; TPE-V
  • stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; PEI
  • stainless steel (1.4404 / 316L); PEEK; PEI; FKM
  • stainless steel (1.4404 / 316L); PEI; PFA; PBT; FKM
  • stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); FKM; PBT; PC; PEI; TPE-V
  • stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; PEI; CR
  • stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; PEI; FKM
  • PBT; PC;

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• Current Consumption(mA)

  • < 25
  • < 30
  • < 50

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• Analogue Current Output(mA)

  • 4-20. invertible
  • 4-20. invertible; (scalable)

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• Process Connection

  • G 1 Aseptoflex Vario
  • G 1 external thread
  • 1/2"NPT
  • G 1/2 external thread
  • threaded connection G 1/2 sealing cone
  • 3/4"NPT
  • G 3/4 external thread

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• Operating Voltage(V)

  • 10-30 DC; (IO-Link: 18-30 DC)
  • 12-30 DC
  • 18-30 DC

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• Ambient Temperature(°C)

  • -40-85
  • -40-80
  • -25-60
  • -20-85
  • -20-80
  • -20-60
  • 0-60

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• Output Function

  • normally open / normally closed; (parameterisable)

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• Total Number of Outputs

  • 2
  • 4

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• Output Signal

  • Analogue signal; IO-Link
  • Switching signal
  • Switching signal; IO-Link
  • Switching signal; analogue signal; IO-Link

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• Tank Pressure(bar)

  • -1-40
  • -1-40; (applications subject to the German Federal Water Act : -0.5-10 bar)
  • -1-40; (MAWP (for applications according to CRN): 40 bar / 4 MPa)
  • -1-16
  • -0.5-4
  • 0.5; (unpressurized for applications to WHG (German Federal Water Act))
  • 0.5; (when mounting with mounting accessories: E43001 - E43007. E43019)

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• Dielectric Constant of the Medium

  • ≥ 1.8; (for media with a dielectric constant of 1.8-5 (e.g. oils), a coaxial pipe is needed for operation)
  • > 2
  • ≥ 2
  • > 5
  • ≥ 5

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• Recommended Media

  • cryogens (Freon: R134a, R22, R717); oils; oil-based media
  • water; hydrous media
  • water; hydrous media; oils; oil-based media
  • water; hydrous media; oils; oil-based media; powder

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• Special Feature

  • Gold-plated contacts

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• Application Media

  • Liquids
  • Liquids; oil-based media; hydrous media
  • Liquids; viscous media; powder
  • aqueous media; viscous media and liquids with suspended particles; Slurry
  • dry bulk material; aqueous solutions; oils
  • hydrous coolants; oils; oil-based media; water; media similar to water

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• Probe Length(mm)

  • 11
  • 28
  • 38
  • 40
  • 100-2000
  • 100-1600
  • 150-2000
  • 153
  • 253
  • 264
  • 472
  • 728

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• Surface Characteristics Ra/Rz of the Wetted Parts

  • < 0.8

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• IO-Link Revision

  • 1.1

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• Materials (Wetted Parts)

  • PEEK; surface characteristics: : Ra < 0.8 / Rz 4
  • PEEK; surface characteristics: Ra < 0.8 / Rz 4
  • stainless steel (1.4305 / 303); probe connection: stainless steel (1.4435 / 316L); PTFE; FKM
  • stainless steel (1.4305 / 303); probe connection: stainless steel (1.4435 / 316L); PTFE; FKM; Sealing: NBR reinforced fibre
  • stainless steel (1.4404 / 316L); PEEK; EPDM
  • stainless steel (1.4404 / 316L); stainless steel (1.4435 / 316L); PTFE; FKM
  • stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; surface characteristics: Ra < 0.8 / Rz 4; CR
  • stainless steel (1.4404 / 316L); stainless steel (1.4571/316Ti ); PEEK; surface characteristics: Ra < 0.8 / Rz 4; FKM
  • PEEK; FKM
  • PP

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• Transmission Type

  • COM2 (38.4 kBaud)

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