KROHNE OPTISWITCH 5200 C Specifications

OPTISWITCH 4000/5000

Technical Datasheet

Vibration level switches for liquids

• Operates up to 250°C / 480°F and 64 bar / 925 psi

• Pump dry-run detection

• High reliability due to permanent fault monitoring function

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Universal liquid level switches

OPTISWITCH 4000/5000 series is a level sensor that uses a vibrating fork for detecting level. It is designed for
use in all liquids. It is not affected by foam and external vibration. It is also unaffected by variations of product
properties such as ε

1 OPTISWITCH 4000
2 OPTISWITCH 5100
3 OPTISWITCH 5200

, viscosity etc.

r

Highlights

• Output options: relay, transistor, NAMUR,

contactless electronic switch and 2-wire

• 5000 series: Plastic, aluminium or stainless

steel housings

• LED signal lamp for indicating the switching

condition (with plastic housing only)

• 5000 series: Large choice of materials for

wetted parts. This includes 316L, Hastelloy C4,
enamel, ECTFE and PFA.

• 5000 series. Probe length: 53...6000 mm /

2...236"

• Repeatability: +/-2 mm

• Thread connections G/NPT ¾; flange sizes from

DN25 PN40; Triclamp 1" or 2" and other
hygienic fittings

Industries

• Chemicals

• Food & Beverage

• Water & Wastewater

• Oil & Gas

Applications

• Reactors

• Hygienic and sanitary applications

• Process and storage tanks for liquids

• Dry-run and overfill protection

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Features and Options

OPTISWITCH 4000 - The economical
version

Simple and robust measuring system, virtually

•

unaffected by the chemical and physical
properties of liquids

• Easily mountable in pipelines from DN 25,

vessels and tanks

• Outputs: contactless electronic switch or

transistor

OPTISWITCH 5100, 5150 - The compact
version

• Standard or HT version, large array of process

fittings, housings and electronics

• Outputs: relay, transistor, 2wire, NAMUR or

contactless electronic switch

• Process connection option for high temperature

up to 250°C / 482°F

• With all relevant approvals (ATEX etc.)

• Version OPTISWITCH 5150 with polished tuning

fork e.g. for food processing

OPTISWITCH 5200, 5250 - The special
version with probe extension

• Standard or HT version, large array of process

fittings, housings and electronics

• Probe length up to 6000 mm / 236"

• Outputs: relay, transistor, 2wire, NAMUR or

contactless electronic switch

• Process connection option for high temperature

up to 250°C / 482°F

• With all relevant approvals (ATEX etc.)

• Version OPTISWITCH 5150 with polished tuning

fork e.g. for food processing

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Technical data

OPTISWITCH 4000 C

Function

Measurement parameter Level detection of liquids

Measurement accuracy

Hysteresis Approx. 2 mm / 0.08" with vertical installation
Integration time Approx. 500 ms
Frequency Approx. 1200 Hz

Operating conditions

Temperature

Temperature

TemperatureTemperature
Ambient temperature on housing -40…+70°C / -40…+158°F
Storage and transport temperature -40…+80°C / -40…+176°F
Process temperature

Process temperature

Process temperatureProcess temperature
Standard -40…+100°C / -40…+212°F
High temperature version (optional) -40…+150°C / -40…+302°F
Temperature shock No limitation
Process pressure -1…64 bar / -14.5…928 psi
Viscosity (dynamic) 0.1...10.000 mPa s (requirement: with SG=1)
Density

>0.7 g/cm2 / >0.025 lbs/in

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Materials

Wetted parts

Wetted parts

Wetted partsWetted parts
Process fitting – thread 316L
Gaskets Klingersil C-4400
Vibrating element 316L
Non-wetted parts

Non-wetted parts

Non-wetted partsNon-wetted parts
Housing 316L and plastic PEI
Surface quality

Surface quality

Surface qualitySurface quality
Standard

Hygienic version

Ra = approx. 3.2 μm / 1.26-4"

Ra < 0.8 μm / 3.15-5"

Process connection

Thread G¾ A; ¾ NPT; G1 A; 1 NPT
Hygienic fittings Bolting DN 25 PN 40; bolting DN 40 PN 40; Tri-Clamp 1"; Tri-Clamp 1½";

SMS

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Power Supply

Transistor output

Transistor output

Transistor outputTransistor output
Supply voltage 10…55 VDC
Power consumption Max. 0.5 W
Contactless electronic switch

Contactless electronic switch

Contactless electronic switchContactless electronic switch
Supply voltage 20…253 VAC, 50/60 Hz, 20…253 VDC
Power consumption Approx. 3 mA (via load circuit)
Operating elements

Operating elements

Operating elementsOperating elements
Control lamp Illuminated lens for indication of the switching condition.
Mode adjustment Min./max. adjustment through electrical connection
Electromechanical data

Electromechanical data

Electromechanical dataElectromechanical data
Plug connection 1x plug M12x1 or 1x plug DIN 43650
Screwed terminals For wire cross-section up to 1.5 mm²

Output

Transistor output

Transistor output Floating transistor output, overload and permanently shortcircuit-proof

Transistor outputTransistor output
Load current Max. 250 mA
Voltage loss Max. 1 V
Turn-on voltage Max. 55 VDC
Blocking current <10 μA
Modes (adjustable) Min. / max.
Delay time When immersed: approx. 0.5 s; when uncovered: approx. 1 s
Contactless electronic switch

Contactless electronic switch Contactless electronic switch

Contactless electronic switchContactless electronic switch
Modes (adjustable) Min. / max.
Delay time When immersed: approx. 0.5 s; when uncovered: approx. 1 s

Approvals

Protection category

Protection category

Protection categoryProtection category
Valve plug IP 65
Valve plug with IDC method of

termination
M12x1 plug connection (only with

transistor output)
Overvoltage category III
Protection class

Protection class

Protection classProtection class
Transistor output II
Contactless electronic switch I
CE conformity

CE conformity

CE conformityCE conformity
EMC (89/336/EEC) Emission EN 61326: 1997 (class B), immunity EN 61326: 1997/A1: 1998
LVD (73/23/EEC) EN 61010-1: 2001
SIL conformity OPTISWITCH fulfills the requirements of functional safety according to

IP 67

IP 66/IP 67

IEC 61508.

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OPTISWITCH 5000 C series

Function

Measurement parameter Level detection of liquids

Design

Sensor length

Sensor length

Sensor lengthSensor length
OPTISWITCH 5100 C, 5150 C See chapter "Dimensions".
OPTISWITCH 5200 C, 5250 C
316L, 2.4610 (Hastelloy C4) 80...6000 mm / 3...236"

2.4610 (Hastelloy C4) enamelled 80...1500 mm / 3...59"

1.4435 (316L) ECTFE coated 80...3000 mm / 3...118"

1.4435 (316L) PFA coated 80...3000 mm / 3...118"

Measurement accuracy

Hysteresis Approx. 2 mm / 0.08" with vertical installation
Integration time Approx. 500 ms
Frequency Approx. 1200 Hz

Operating conditions

Temperature

Temperature

TemperatureTemperature
Ambient temperature on housing -40…+70°C / -40…+158°F
Storage and transport temperature -40…+80°C / -40…+176°F
Process temperature

Process temperature

Process temperatureProcess temperature
316L / Hastelloy C4 (2.4610) -50…+150°C / -58…+302°F
Process temperature with temperature

adapter
316L / Hastelloy C4 (2.4610) -50…+250°C / -58…+482°F
enamelled -50…+200°C / -58…+392°F
with ECTFE coating -50…+150°C / -58…+302°F
with PFA coating -50…+150°C / -58…+302°F
Temperature shock No limitation
Process pressure -1…64 bar / -14.5…928 psi
Viscosity (dynamic) 0.1...10.000 mPa s (requirement: with SG=1)
Density

Option

0.7...2.5 g/cm2 / 0.025...0.09 lbs/in2; 0.5...2.5 g/cm2 / 0.018...0.09 lbs/in2 by
switching over

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Materials

Wetted parts

Wetted parts

Wetted partsWetted parts
Process fitting – thread 316L; 2.4602 (Hastelloy C4)
Process fitting – flange 316L; 316L with Hastelloy C4 coating; steel enamelled; 316L with ECTFE

Gaskets Klingersil C-4400
Tuning fork 316L / 2.4610 (Hastelloy C4)
Extension tube ø21.3 mm / ø0.84" 316L; 2.4610 (Hastelloy C4); 2.4610 (Hastelloy C4) enamelled; 316L with

Non-wetted parts

Non-wetted parts

Non-wetted partsNon-wetted parts
Housing Plastic PBT (Polyester), Alu-die casting powder-coated, 316L
Gasket ring between housing and

housing cover
Peephole in housing cover PMMA (Makrolon)
Ground terminal 316L
Temperature adapter (Option) 316L
Gastight leadthrough (Option) 316L / glass
Surface quality

Surface quality

Surface qualitySurface quality
Standard (OPTISWITCH 5100 C, 5200 C) Ra = approx. 3.2 μm / 1.26-4"
Hygienic version

(OPTISWITCH 5150 C, 5250 C)
Coatings

Coatings

CoatingsCoatings
ECTFE Approx. 0.5…0.8 mm / 0.02…0.03"
PFA Approx. 0.3…0.5 mm / 0.01…0.02"
Enamel Approx. 0.8 mm / 0.03"

coating; 316L with PFA coating

ECTFE coating; 316L with PFA coating

NBR (stainless steel housing), silicone (Alu / plastic housing)

Ra < 0.8 μm / 3.15-5"

Process connection

Thread G¾ A; ¾ NPT; G1 A; 1 NPT
Flanges DIN: ≥DN25; ANSI: ≥1"
Hygienic fittings (OPTISWITCH 5150 C,

5250 C)

Bolting DN 40 PN 40; Tri-Clamp 1"; Tri-Clamp 1½" PN 10; cone DN 25 PN
40; Tuchenhagen Varivent DN 50 PN 10

Power Supply

Relay output

Relay output

Relay outputRelay output
Supply voltage 20…253 VAC, 50/60 Hz, 20…72 VDC (at U >60 VDC, the ambient temperature

Power consumption 1…8 VA (AC); ca. 1.3 W (DC)
Transistor output

Transistor output

Transistor outputTransistor output
Supply voltage 10…55 VDC
Power consumption Max. 0.5 W
Contactless electronic switch

Contactless electronic switch

Contactless electronic switchContactless electronic switch
Supply voltage 20…253 VAC, 50/60 Hz, 20…253 VDC
Power consumption Approx. 3 mA (via load circuit)

can be max. 50°C / 122°F)

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Two-wire output

Two-wire output

Two-wire outputTwo-wire output
Supply voltage 10…36 VDC (via the signal conditioning instrument)
NAMUR output

NAMUR output

NAMUR outputNAMUR output
Supply voltage (standard

characteristics)
Open-circuit voltage U0 approx. 8.2 V

Shortcircuit current IU approx. 8.2 mA
Operating elements

Control lamp Control lamp (LED) for indication of the switching condition.
Density switch (electronics versions: relay, transistor, contactless electronic switch, two-wire, NAMUR outputs)

0.5

0.7

Mode switch (electronics versions: relay output, transistor output, contactless electronic switch)
A Max. detection or overfill protection
B Min. detection or dry run protection
Characteristics reversal (electronics version: NAMUR output)
Max. Falling characteristics (Low current when immersed)
Min. Rising characteristics (High current when immersed)
Electromechanical data
Cable entry/plug (dependent on the

version) - Single chamber housing

Screwed terminals For wire cross-section up to 1.5 mm²

For connection to amplifier according to NAMUR IEC 60947-5-6, approx.

8.2 V

0.5...2.5 g/cm2 / 0.018...0.9 oz/in

0.7...2.5 g/cm2 / 0.025...0.9 oz/in

1x cable entry M20x1.5 (cable ø5…9 mm), 1x blind stopper M20x1.5;
attached 1x cable entry M20x1.5 or 1x cable entry ½ NPT, 1x blind stopper
½ NPT, 1x cable entry ½ NPT

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Output

Relay output

Relay output Relay output (DPDT), 2 floating spdts

Relay outputRelay output
Turn-on voltage Min.: 10 mV; max.: 253 VAC/DC
Switching current Min.: 10 μA; max.: 5 A AC, 1 A DC
Breaking capacity Max.: 1250 VA, 50 W
Contact material (relay contacts) AgCdO and Au plated
Modes (adjustable) Min. / max.
Delay time When immersed: approx. 0.5 s; when uncovered: approx. 1 s
Transistor output

Transistor output Floating transistor output, overload and permanently shortcircuit proof

Transistor outputTransistor output
Load current Max. 400 mA
Voltage loss Max. 1 V
Turn-on voltage Max. 55 VDC
Blocking current <10 μA
Modes (adjustable) Min. / max.
Delay time When immersed: approx. 0.5 s; when uncovered: approx. 1 s
Contactless electronic switch

Contactless electronic switch Contactless electronic switch

Contactless electronic switchContactless electronic switch
Modes (adjustable) Min. / max.
Delay time When immersed: approx. 0.5 s; when uncovered: approx. 1 s

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