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Handbook
Handbook
LS 6600
LS 6600
LS 6600LS 6600
Switch for level detection and dry-run protection
HandbookHandbook
© KROHNE 03/2013 - 4001367702 - MA LS 6600 R02 en
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: IMPRINT :::::::::::::::::::::::::::::::::::::::
All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without
the prior written authorisation of KROHNE Messtechnik GmbH.
Subject to change without notice.
Copyright 2013 by
KROHNE Messtechnik GmbH - Ludwig-Krohne-Str. 5 - 47058 Duisburg (Germany)
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LS 6600
CONTENTS
1 Safety instructions 5
1.1 Intended use ..................................................................................................................... 5
1.2 Certifications .................................................................................................................... 5
1.3 ATEX approval................................................................................................................... 5
1.4 Safety instructions from the manufacturer ..................................................................... 6
1.4.1 Copyright and data protection ................................................................................................ 6
1.4.2 Disclaimer ............................................................................................................................... 6
1.4.3 Product liability and warranty ................................................................................................ 7
1.4.4 Information concerning the documentation........................................................................... 7
1.4.5 Warnings and symbols used................................................................................................... 8
1.5 Safety instructions for the operator................................................................................. 8
2 Device description 9
2.1 Scope of delivery............................................................................................................... 9
2.2 System description........................................................................................................... 9
2.3 Nameplate ........................................................................................................................ 9
3 Installation 10
3.1 General notes on installation ......................................................................................... 10
3.2 Installation requirements .............................................................................................. 10
3.3 Process connection ........................................................................................................ 10
3.4 Mounting of 3A marked products................................................................................... 11
4 Electrical connections 12
4.1 Safety instructions.......................................................................................................... 12
4.2 Description of electrical connection .............................................................................. 12
4.3 Electrical connection diagramms .................................................................................. 13
4.4 Electrical connection data for use in hazadous areas................................................... 14
4.5 Configuration tool........................................................................................................... 15
5 Operation 16
5.1 Start-up........................................................................................................................... 16
5.2 Fault diagnosis and corrective action ............................................................................ 16
6 Service 17
6.1 Availability of services .................................................................................................... 17
6.2 Spare parts and accessories.......................................................................................... 17
6.3 Returning the device to the manufacturer..................................................................... 18
6.3.1 General information.............................................................................................................. 18
6.3.2 Form (for copying) to accompany a returned device............................................................ 19
6.4 Disposal .......................................................................................................................... 19
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CONTENTS
LS 6600
7 Technical data 20
7.1 Measuring principle........................................................................................................20
7.2 Technical data................................................................................................................. 21
7.3 Dimensions and weights ................................................................................................ 23
7.4 Temperature limits.........................................................................................................24
8 Notes 25
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LS 6600
1.1 Intended use
The LS 6600 is a level switch for level detection and dry-run protection for liquids and solids. The
device measures liquids such as water and beer and well as viscous and sticky products such as
honey or toothpaste. Even dry medias can be measured such as sugar or flour.
The measurement is precise and not affected by the mounting position.
Coating of the sensor or condensate are not detected.
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
1.2 Certifications
CE marking
SAFETY INSTRUCTIONS 1
The device fulfils the statutory requirements of the following EC directives:
• EMC specification acc. to EN 61326
• Vibration specification acc. to IEC 68-2-6, GL test 2
The manufacturer certifies successful testing of the product by applying the CE marking.
1.3 ATEX approval
The LS 6600 is approved for the use in hazardous areas in accordance with the current EC
directives with the following classifications:
• Ex ia IIC T5, ATEX II 1G (in preparation)
• Ex nA II T5, ATEX II 3G (in preparation)
• Ex ta IIIC T100 Da, ATEX II 1D (in preparation)
INFORMATION!
For further information refer to Electrical connection data for use in hazadous areas on page 14
.
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1 SAFETY INSTRUCTIONS
1.4 Safety instructions from the manufacturer
1.4.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no
guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to copyright. Contributions from third
parties are identified as such. Reproduction, processing, dissemination and any type of use
beyond what is permitted under copyright requires written authorisation from the respective
author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created
in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the
manufacturer's documents is always on a voluntary basis whenever possible. Whenever
feasible, it is always possible to make use of the offerings and services without providing any
personal data.
LS 6600
We draw your attention to the fact that data transmission over the Internet (e.g. when
communicating by e-mail) may involve gaps in security. It is not possible to protect such data
completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish
an imprint for the purpose of sending us any advertising or informational materials that we have
not expressly requested.
1.4.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including,
but not limited to direct, indirect or incidental and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross
negligence. In the event any applicable law does not allow such limitations on implied warranties
or the exclusion of limitation of certain damages, you may, if such law applies to you, not be
subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant
product documentation and our Terms and Conditions of Sale.
The manufacturer reserves the right to alter the content of its documents, including this
disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable
in any way for possible consequences of such changes.
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LS 6600
1.4.3 Product liability and warranty
The operator shall bear responsibility for the suitability of the device for the specific purpose.
The manufacturer accepts no liability for the consequences of misuse by the operator. Improper
installation and operation of the devices (systems) will cause the warranty to be void. The
respective "Standard Terms and Conditions" which form the basis for the sales contract shall
also apply.
1.4.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the
information in this document and observe applicable national standards, safety requirements
and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the
text, we advise you to contact your local office for assistance. The manufacturer can not accept
responsibility for any damage or injury caused by misunderstanding of the information in this
document.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device. Special considerations and precautions are also described in the
document, which appear in the form of underneath icons.
SAFETY INSTRUCTIONS 1
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1 SAFETY INSTRUCTIONS
1.4.5 Warnings and symbols used
Safety warnings are indicated by the following symbols.
DANGER!
This information refers to the immediate danger when working with electricity.
DANGER!
This warning refers to the immediate danger of burns caused by heat or hot surfaces.
DANGER!
This warning refers to the immediate danger when using this device in a hazardous atmosphere.
DANGER!
These warnings must be observed without fail. Even partial disregard of this warning can lead to
serious health problems and even death. There is also the risk of seriously damaging the device
or parts of the operator's plant.
LS 6600
WARNING!
Disregarding this safety warning, even if only in part, poses the risk of serious health problems.
There is also the risk of damaging the device or parts of the operator's plant.
CAUTION!
Disregarding these instructions can result in damage to the device or to parts of the operator's
plant.
INFORMATION!
These instructions contain important information for the handling of the device.
LEGAL NOTICE!
This note contains information on statutory directives and standards.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the
specified sequence.
i RESULT
RESULT
RESULTRESULT
This symbol refers to all important consequences of the previous actions.
1.5 Safety instructions for the operator
WARNING!
In general, devices from the manufacturer may only be installed, commissioned, operated and
maintained by properly trained and authorized personnel.
This document is provided to help you establish operating conditions, which will permit safe and
efficient use of this device.
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LS 6600
2.1 Scope of delivery
INFORMATION!
Inspect the cartons carefully for damages or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
The following items are supplied with the device:
• Measuring device
• Hygienic adapter
• Product documentation
DEVICE DESCRIPTION 2
2.2 System description
Inputting physical quantities into an SPC or PLC or other computer and control systems requires
accurate and reliably working sensors. The sensor is a detecting element that converts physical
quantities, such as temperature, level, pressure, conductivity, turbidity and flow, into an
electrical signal. Locally further processed, usually by an integrated microcontroller, the
measuring signal can be transmitted by analogue (e.g. 4...20 mA loop). The LS 6600 is designed
to detect the level of liquids or for pump protecting purposes.
2.3 Nameplate
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
The important technical values are engraved on the device body.
Figure 2-1: Example of engraved technical values
1 Device type
2 Electrical data for input
3 Electrical data for output
4 Operating temperture limits
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3 INSTALLATION
3.1 General notes on installation
INFORMATION!
Inspect the cartons carefully for damages or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
3.2 Installation requirements
• For the hygienic version, use only the recommended sleeves or adapters. If other systems are
used, no guarantee can be given for proper functionality or leak-tightness.
• The connection thread must have direct electrical contact with the threaded sleeve and the
metal tank or pipe.
• At the hygienic connection G½ do not use Teflon or paper gaskets between switch and
hygienic adapter. The PEEK sensor together with the Stainless Steel adapter will perform a
hygienic tightening. Assumed that the requirements have been followed.
• The tightening torque for the sleeve should be 25...30 Nm.
LS 6600
3.3 Process connection
The hygienic ½" process sleeve is easy to weld into tanks or pipes. This kind of assembly allows
installation in conformity with standards of hygiene (to EHEDG, FDA). The G½ and G1
connections can be mounted in any counter thread acc. to ISO 228.
Various hygienic adapter sleeves (refer to chapter "Accessories") are available for fitting to other
process connections. For more information refer to data sheet "Accessories".
The sensor can be installed in any desired position.
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LS 6600
3.4 Mounting of 3A marked products
The 3A mark is valid only when the product is mounted in a 3A marked counterpart and installed
acc. to the installation manual. Use also a 3A marked O-ring or gasket if relevant.
The 3A marked products conforms to the 3A sanitary standards criteria. Materials and surfaces
fulfil the FDA demands and are certified by EHEDG.
EPDM O-rings supplied with 3A marked products are conform to sanitary standards class II (8%
milk fat).
1 Use only 3A approved counterparts.
2 The inspection hole should be visible and drained. Face it downwards that leaking can be
observed.
3 Mount the device in a self-drained position.
4 Level the inner surface of the pipe with the counterpart.
5 Weld from the inside of the tank, if possible. Welds shall be free from cracks, crevices and
grooves. Weldings should be grinded to R
=0.8
a
INSTALLATION 3
Figure 3-1: Mounting of 3A products in pipe installations (A) or tank installations (B)
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4 ELECTRICAL CONNECTIONS
4.1 Safety instructions
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
LS 6600
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
4.2 Description of electrical connection
Pin 1 and 3 are used for supplying a DC voltage of 12...30 V. According to polarity, the output will
switch to active or inactive when the sensor is immersed (refer to connection diagram). The
terminal wired to the negative pole is connected via an internal protective diode to the housing.
The maximum power consumption is 35 mA (excluding load switched). This value should be
taken into account in connection with the recommended use of a fuse. An active switching output
(Pin 4) is available. The switching voltage is a minimum of 1 V below the supply voltage. The
maximum output current is 20 mA. At higher loads, the current is limited accordingly. Damage
through shorting cannot occur.
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LS 6600
4.3 Electrical connection diagramms
Description of normally open (NO) and normally closed (NC)
Normally open Normally closed
ELECTRICAL CONNECTIONS 4
1 0mA
2 20 mA
3 LED
1 20 mA
2 0mA
3 LED
PNP
Normally open Normally closed
NPN
Normally open Normally closed
M12 plug
1: brown; 2: white; 3: blue; 4: black
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4 ELECTRICAL CONNECTIONS
4.4 Electrical connection data for use in hazadous areas
Ex ta IIIC T100 Da, ATEX II 1D (in preparation)
Ex ta IIIC T100 Da, ATEX II 1D (in preparation)
Ex ta IIIC T100 Da, ATEX II 1D (in preparation)Ex ta IIIC T100 Da, ATEX II 1D (in preparation)
The LS 6600 must be installed in accordance with prevailing guidelines for zone 20 without
barrier.
Supply range: 12...30 VDC; max. 100 mA
Temperature class: T100; -40°C < T
Ex nA II T5, ATEX II 3G (in preparation)
Ex nA II T5, ATEX II 3G (in preparation)
Ex nA II T5, ATEX II 3G (in preparation)Ex nA II T5, ATEX II 3G (in preparation)
< 85°C/ -40°F < T
amb
The LS 6600 must be installed in accordance with prevailing guidelines for zone 2 without
barrier.
Supply range: 12...30 VDC; max. 100 mA
Temperature class: T1...T5; -40°C < T
< 85°C/ -40°F < T
amb
amb
amb
< 185°F
< 185°F
LS 6600
without a
withoutwithout
without a
withoutwithout
Ex ia IIC T5, ATEX II 1G (in preparation)
Ex ia IIC T5, ATEX II 1G (in preparation)
Ex ia IIC T5, ATEX II 1G (in preparation)Ex ia IIC T5, ATEX II 1G (in preparation)
The LS 6600 must be installed in accordance with prevailing guidelines for zone 0 with
with a barrier.
withwith
A certified Ex ia or isolation barrier with the max. values
≤ 10 µH;
L
i
C
≤ 43 nF;
i
U ≤ 30 VDC;
I ≤ 0.1 A;
P ≤ 0.75 W
must be used.
Supply range: 24...30 VDC
Temperature class:
T1...T4: -40°C < T
T1...T5: -40°C < T
< 85°C/ -40°F < T
amb
< 74°C/ -40°F < T
amb
< 185°F;
amb
< 165.2°F
amb
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LS 6600
4.5 Configuration tool
The configuration tool can be ordered optionally to configure the LS 6600 switches.
Scope of delivery:
• Interface unit
• CD with software and product drivers (DTM)
• USB cable
• Cable with M12 connector
The configuration tool connects the LS 6600 with a computer. With the corresponding software,
it is possible to get an online communication with the LS 6600.
By using this tool, device information like serial number, switching point range and tag numbers
are displayed on the computer. Settings as switching point and damping can be changed.
Self-learning function for the contact output is possible as well as reset function to the default
values of the switching point.
ELECTRICAL CONNECTIONS 4
By fine-tuning of the switching point settings, LS 6600 could differentiate between various
products which are covering the sensor. In other words, the device could be set to trigger on a
specific product and ignore a second product. Basis for this would be a different ε
two products.
value of the
r
DANGER!
Disconnect the power supply before connecting the configuration tool to the switch!
Figure 4-1: Electrical connection of configuration tool
1 M12 plug
INFORMATION!
°
Ambient temperature range is 0...+50
C / +32...+122°F.
DANGER!
The configuration tool cannot be connected to the LS 6600 within the hazardous area. For
programming, remove the device out of this area.
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5 OPERATION
5.1 Start-up
Before connecting to power, please check that the system has been correctly installed.
This includes:
• The device must be mechanically safe and mounted in compliance with the regulations.
• Check the leak-tightness at the sleeve.
• Make sure that the M12 plug is properly connected.
• The power connections must have been made in compliance with the regulations.
• Check that the electrical operating data of the power supply are correct.
• Switching on the power.
i Check for correct switching function.
5.2 Fault diagnosis and corrective action
LS 6600
Fault Cause Action / elimination
LED not "on" Sensor cap not in contact with
liquid product
Supply voltage < 12 V, permittivity
too low
No switching output Cable break Check continuity of cables
Incorrect polarity of supply Reverse terminal 1 and 3
Short-circuit Check wiring
-
Measure voltage at pin 1 and 3
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LS 6600
6.1 Availability of services
The manufacturer offers a range of services to support the customer after expiration of the
warranty. These include repair, maintenance, technical support and training.
INFORMATION!
For more precise information, please contact your local sales office.
6.2 Spare parts and accessories
This device contains no replaceable parts. In case of malfunction the device must be returned to
the manufacturer. Refer also to chapter "Returning the device to the manufacturer".
Accessories
Designation Type
Weld-in sleeve HWN 200
Liquiphant adapter sleeve G1", shape "G" HLM 200
Liquiphant assembly kit Rd 52, shape "F" HLS 210
Varivent flange version N HVF 250
Sanitary pipe assembly kit DN25 HMT 225
Sanitary pipe assembly kit DN50 HMT 250
Tri-Clamp flange 2", DN50 DIN 32676, ISO 40/51 mm HTC 250
SERVICE 6
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6 SERVICE
6.3 Returning the device to the manufacturer
6.3.1 General information
This device has been carefully manufactured and tested. If installed and operated in accordance
with these operating instructions, it will rarely present any problems.
CAUTION!
Should you nevertheless need to return a device for inspection or repair, please pay strict
attention to the following points:
•
Due to statutory regulations on environmental protection and safeguarding the health and
safety of our personnel, manufacturer may only handle, test and repair returned devices that
have been in contact with products without risk to personnel and environment.
•
This means that the manufacturer can only service this device if it is accompanied by the
following certificate (see next section) confirming that the device is safe to handle.
CAUTION!
If the device has been operated with toxic, caustic, flammable or water-endangering products,
you are kindly requested:
•
to check and ensure, if necessary by rinsing or neutralising, that all cavities are free from
such dangerous substances,
•
to enclose a certificate with the device confirming that is safe to handle and stating the
product used.
LS 6600
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LS 6600
6.3.2 Form (for copying) to accompany a returned device
Company: Address:
Department: Name:
Tel. no.: Fax no.:
Manufacturer's order no. or serial no.:
The device has been operated with the following medium:
SERVICE 6
This medium is: water-hazardous
toxic
caustic
flammable
We checked that all cavities in the device are free from such
substances.
We have flushed out and neutralized all cavities in the
device.
We hereby confirm that there is no risk to persons or the environment through any residual media
contained in the device when it is returned.
Date: Signature:
Stamp:
6.4 Disposal
CAUTION!
Disposal must be carried out in accordance with legislation applicable in your country.
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7 TECHNICAL DATA
7.1 Measuring principle
A high frequency signal sweep is radiated from the sensor tip into the tank / pipe. The medium
will act as a virtual capacitor, which together with a coil in the sensor head, will form a circuit
creating the switching point signal. This virtual capacity will depend of the dielectric value of the
medium and it is well defined for most media.
The measurement is precise and unaffected by the mounting position.
LS 6600
1 Tank wall / pipe wall
2 Medium
3 Line of electric flux
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LS 6600
TECHNICAL DATA 7
7.2 Technical data
INFORMATION!
•
The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local sales office.
•
Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Download Center).
Measuring system
Measuring principle Electromagnetic wave, 100..180 MHz
Application range Level detection, dry-run protection and media separation of liquids and
Design
Construction The measurement system consists of a measuring sensor and the electronic
Options Teach-In function for applications where the medium is hard to detect.
Accessories Comprehensive range of adapters and process connections for hygienic
solids.
unit which is available in a compact version. The switching point is signalled
by a blue LED indication at the neck of the M12 connector.
installation. Please refer to the specific data sheet "Accessories".
Measuring accuracy
Resolution ±1 mm / ±0.04"
Hysteresis ±1 mm / ±0.04"
Reference conditions acc. to EN 60770
Reference conditions acc. to EN 60770
Reference conditions acc. to EN 60770Reference conditions acc. to EN 60770
Temperature +20°C ±5°C / +70°F ±10°F
Pressure 1013 mbar abs. ±20 mbar / 14.69 psig ±0.29 psig
Relative air humidity 60% ±15%
Operating conditions
Temperature
Temperature
TemperatureTemperature
Ambient temperature (T
Process temperature -40…+115°C / -40…+239°F (refer to separate diagram)
Pressure
Pressure
PressurePressure
Ambient pressure Atmosphere
Process pressure Max. 100 bar / 1450 psi
Other conditions
Other conditions
Other conditionsOther conditions
Ingress protection
(acc. to EN 60529)
) -40…+85°C / -40…+185°F
amb
130°C / 266°F < 1 hour, T
IP67 equivalent to NEMA 4X
< 40°C / 104°F
amb
Installation conditions
Installation In any position. For detailed information refer to chapter "Installation".
Dimensions and weights For detailed information refer to chapter "Dimensions and weights".
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7 TECHNICAL DATA
LS 6600
Materials
Sensor housing Stainless Steel 1.4404 / 316L
Process connection
Sensor insulation Virgin PEEK, FDA conform
Electrical connection Plug M12
Process connections
Standard Hygienic G½; standard G½; G1 and reverse G½
Other For other hygienic process connections, e. g. Tri-clamp, 11851, Varivent see
data sheet "Accessories".
Electrical connections
Power supply Non-Ex / Ex nA / Ex ta: 12…30 VDC, 35 mA max.
Ex ia: 24…30 VDC
Power consumption 1.1 W
Power-up time <2s
Reaction time Max. 0.2 s
Damping 0...10 s
Cable entry M12 (4 pole Lumberg)
Output
Output (active) Max. 20 mA, short-circuit and high-temperature protected
Output type PNP or NPN
Output polarity See drawing in chapter "Electrical connection".
Active "Low" NPN; (-VDC + 1.5 V) ± 0.5 V; R
Active "High" PNP; (VDC - 1.5 V) ± 0.5 V; R
Factory settings Measure: εr>2; damping: 0.1s
Off leak current ±100 μA max.
load
=10kOhm
load
=10kOhm
Approvals and certifications
CE This device fulfils the statutory requirements of the EC directives.
ATEX Ex ia IIC T5, ATEX II 1G (in preparation)
Other standards and approvals
Other standards and approvals
Other standards and approvalsOther standards and approvals
Electromagnetic compatibility (EMC) EN 61326
Vibration resistance IEC 60068-2-6, GL test 2
Hygiene 3A for hygienic G½, FDA conform materials
The manufacturer certifies successful testing of the product by applying the
CE marking.
Ex nA II T5, ATEX II 3G (in preparation)
Ex ta IIIC T100 Da, ATEX II 1D (in preparation)
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LS 6600
7.3 Dimensions and weights
1 Standard G½ version
2 G1 version
3 Hygienic G½ version
4 Reverse G½ version
TECHNICAL DATA 7
Dimensions Approx. weight without adapter
[mm] [inch] [kg] [lb]
Standard G
Standard G½ version
Standard GStandard G
a 97 3.82 0.1 0.22
b 41 1.61
c G½ ISO 228/1
d WS 22 WS 0.87
G1 version
G1 version
G1 versionG1 version
a 97 3.82 0.15 0.33
b 38 1.50
c G1 ISO 228/1
d WS 36 WS 1.41
Hygienic G
Hygienic G½ version
Hygienic GHygienic G
a 97 3.82 0.1 0.22
b 48 1.89
c G½ ISO 228/1
d WS 22 WS 0.87
Reverse G
Reverse G½ version
Reverse GReverse G
a 97 3.82 0.1 0.22
b 68 2.68
c Ø27 Ø1.06
d WS 24 WS 0.94
e G½ A ISO 228/1
version
version version
version
version version
version
version version
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7 TECHNICAL DATA
7.4 Temperature limits
LS 6600
Figure 7-1: Media temperature versus ambient temperature
a: media temperature in [°C] or [°F]
b: ambient temperature in [°C] or [°F]
CIP: 130°C / 266°F < 1 hour (T
< 40°C / 104°F)
amb
24
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KROHNE product overview
• Electromagnetic flowmeters
• Variable area flowmeters
• Ultrasonic flowmeters
• Mass flowmeters
• Vortex flowmeters
• Flow controllers
• Level meters
• Temperature meters
• Pressure meters
• Analysis products
• Products and systems for the oil & gas industry
• Measuring systems for the marine industry
Head Office KROHNE Messtechnik GmbH
Ludwig-Krohne-Str. 5
47058 Duisburg (Germany)
Tel.:+49 (0)203 301 0
Fax:+49 (0)203 301 10389
info@krohne.de
The current list of all KROHNE contacts and addresses can be found at:
© KROHNE 03/2013 - 4001367702 - MA LS 6600 R02 en - Subject to change without notice.
www.krohne.com
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