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krohne OPTISWITCH 4000 Vibration level switch

  • NG # 006635-HW-KROHNE-035

Manufactured by:

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The OPTISWITCH 4000 is a vibration level switch for simple liquid applications. It is a universal and cost-effective device for level detection in small vessels. It detects low or high level and is mostly used for overfill, dry-run or pump protection. Installations in pipelines are also possible.

Specification

General information

Product typeLevel switch
Product family nameOPTISWITCH
Product positioningFor basic applications
Product variantsOPTISWITCH 4000 C: Compact housing
Measurement variablesLevel
Level measurement typePoint level detection
Contact to measured mediumYes
Interface measurementNo
RedundancyNo
Measured mediaLiquids
Probe length66 mm / 2.6 in
Measuring pointPressurised tank, Open tank, Open channel, Basin

Operating conditions

Process pressure-1…64 barg/
-14.5…925 psig
Process temperature-40…150°C/
-40…302°F

Materials

GasketsEthylene propylene diene monomer (EPDM), Fluoroelastomer rubber (FKM/FPM), Kalrez® 6375, PFA
Wetted partsAustenitic stainless steel (1.4404/316L)

Process connections

Thread connectionsMale:
G½, G¾, G1
½ NPT, ¾ NPT, 1 NPT
Hygienic connectionsCollar ferrule with nut (DIN 11851): DN25, DN40, DN50
Collar ferrule with nut (SMS 1147): 38 mm
Clamp (DIN 32676): DN25, DN40, DN50

Approvals/Standards

Certificates/Approvals OthersEAC, WHG
Certificates/Approvals HygienicFDA, 3A, EC 1935/2004
Ingress protectionIP65/67, NEMA4/4X/6

Communication

Discrete outputsContactless, Transistor

Description

Vibration level switch for basic applications
Point level detection of liquids
Virtually unaffected by the chemical and physical media properties
Density: ≥0.5  g/cm3 / 0.018 lb/in3
-40…+150°C / +302°F; -1…64 barg / -14.5…925 psig