KLEIBER KS 740-LO User manual

KS / KG / KGA 740 - LO
KLEIBER-Pyrometer
Operation Manual Betriebsanleitung
Fast measurement, fast controlling, fast switching

Address/Copyright
KLEIBER Infrared GmbH
Am Gewände 3
D-07333 Unterwellenborn
Germany
Phone: [phone] / 527 20 - 0
Fax: [phone] / 527 20 - 12
E-Mail: inf[email protected]
Internet: www.kleiberinfrared.com
© 2010 - 2017 KLEIBER Infrared GmbH
Any reproduction of this user manual or part thereof, its storage on electronic media and translation of the
manual into foreign languages without written approval of the company KLEIBER Infrared GmbH is strictly
forbidden.
All rights reserved.
© 2010 - 2017 KLEIBER Infrared GmbH
Jegliche Reproduktion der vorliegenden Bedienungsanleitung ganz oder auszugsweise, die Speicherung in
elektronischen Medien sowie die Übersetzung in Fremdsprachen sind ohne schriftliche Genehmigung der
KLEIBER Infrared GmbH untersagt.
Alle Rechte vorbehalten.
Version: June 2, 2017

CONTENTS
Contents
1 Basic Information 1
1.1 NotesfortheUserManual........................................ 1
1.2 Document Structure and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Purpose.................................................. 1
1.4 IntendedUse............................................... 1
1.5 WarrantyandLiability .......................................... 2
2 Safety 3
2.1 SymbolsandKeyWordsUsed ..................................... 3
2.2 GeneralSafetyNotes .......................................... 3
3 Scope of Delivery / Accessories 4
3.1 ScopeofDelivery............................................. 4
3.2 Devicemodels .............................................. 4
3.3 Accessories................................................ 5
4 Technical Data 8
4.1 Properties................................................. 8
4.2 Measurementranges .......................................... 8
4.3 Drawingpyrometer............................................ 9
5 Technical Description 10
5.1 System Design / Principle of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Optics................................................... 10
5.2.1 Variooptics............................................ 10
5.2.2 Fixedoptics............................................ 10
5.2.3 Settingthevariofiberoptics................................... 11
5.3 Operating elements and cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.4 Connection for 5-pole connecting cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.5 Mounting ................................................. 12
5.6 Emissivity................................................. 12
6 Starting Up 14
6.1 InstallationSiteRequirements...................................... 14
6.1.1 Climaticconditions........................................ 14
6.1.2 Requirements at the place of use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2 Installation ................................................ 15
6.2.1 Fix and connect the pyrometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2.2 Alignpyrometer.......................................... 15
7 Troubleshooting 16
8 Transport and Storage 17
8.1 TransportofthePyrometer ....................................... 17
KS / KG / KGA 740 - LO iii

CONTENTS
8.2 StorageofthePyrometer ........................................ 17
9 Maintenance and Care 18
9.1 Generalinformation ........................................... 18
9.2 CleaningtheOptics ........................................... 18
10 Taking out of service, Disposal 19
10.1Takingoutofservice........................................... 19
10.2Disposal.................................................. 19
iv KS / KG / KGA 740 - LO

1 Basic Information
1 Basic Information
1.1 Notes for the User Manual
This user manual describes the structure of the KLEIBER 740 - LO infrared pyrometer for non-contact tem-
perature measurement and gives the operators all the necessary information related to installation, operation,
de-installation along with information related to maintenance and repairs of the pyrometer. When malfunctions
occur, the user manual provides suggestions for their potential causes and their repair.
This user manual is intended for qualified service and maintenance personnel with appropriate technical ex-
pertise including a basic knowledge of temperature measuring technology.
Before you use the pyrometer for temperature measurement, you must have read and understood these oper-
ating instructions! Keep the manual so that it is available at all times.
Take into account all the requirements given in this user manual. This is a precondition for:
• The correct and professional use of the pyrometer
• Proper maintenance, cleaning and care of the pyrometer
• Prevention of risks and strict observance of the essential technical safety regulations
1.2 Document Structure and Symbols
Operating instructions to be performed in sequence are numbered in chronological order. They are grouped
together in operational units and accompanied by the corresponding results.
Listings without a sequential order are presented as bullet points and items in sub-lists are preceded by
dashes.
Safety precautions are shown with pictograms and key words. They provide information about the type,
source and consequences of the hazard, and safety precautions. The meanings of the pictograms and key
words are explained in Safety (section 2) at page 3.
1.3 Purpose
The KLEIBER 740 - LO pyrometer is particularly intended for the non-contact measurement of surface temper-
atures on metal, ceramic, plastics and is specially designed for industrial applications as well as applications
in the area of research and development.
The KLEIBER 740 - LO also enables you to solve high speed applications in laser areas by using laser rejection
filters and challenging temperature measurement on silicon or tungsten.
1.4 Intended Use
The KLEIBER 740 - LO pyrometer is to be used exclusively for the non-contact measurement of surface
temperatures of the materials specified in Purpose (section 1.3) at page 1. Any applications beyond that area
are not allowed! Any damage resulting from this is the sole responsibility of the operator.
Proper use of the device also includes:
• The observance of the requirements of these operating instructions for transport and storage, assembly,
operation and care of the pyrometer
• The observance of the power requirements specified in Technical Data (section 4) at page 8 and the
operating and environmental conditions
• The compliance with the legal accident prevention and environmental regulations
Among applications/conditions for which the pyrometer is not intended for use are in particular:
• The use of the pyrometer within medical areas
KS / KG / KGA 740 - LO 1

1 Basic Information
• The use of the pyrometer in the food industry
• The use of the pyrometer in areas where there is danger of explosion
• The use of the pyrometer outside of the operating and environmental conditions specified in Technical
Data (section 4) at page 8
1.5 Warranty and Liability
KLEIBER Infrared GmbH offers a 2 year warranty for the device starting from the date of invoice. The warranty
covers manufacturing defects. Then the device will be repaired free of charge, however freight charges are
the responsibility of the respective sender.
KLEIBER Infrared GmbH reserves the right to exchange the equipment or parts of the instrument instead of a
repair. After a repair, KLEIBER Infrared GmbH offers a warranty of 12 months on all repaired and/or exchanged
instrument components.
Deviations from the proper use described in this user manual will result in restricted warranty and liability or
the loss in case of damage. Damage to wearing parts (e.g. fuses) is excluded from the guarantee.
Warranty and liability claims for personal injuries and/or material damage are excluded if this or these result
from one or more of the following causes:
• Improper use of the device
• Inappropriate operation and servicing of the device
• Unauthorized modifications to the device without prior consultation with KLEIBER Infrared GmbH
• Rough, mechanical actions or deliberate destruction of the device
• Connection error (overvoltage)
• Frost damage by not observing the permitted environmental conditions and/or by inappropriate storage
• Malfunctions that are caused by non-conformance to this user manual
2 KS / KG / KGA 740 - LO

2 Safety
2 Safety
2.1 Symbols and Key Words Used
The following symbols and key words are used in the user manual to indicate hazards and instructions. Safety
precautions always appear before an action.
DANGER:
Indicates a potentially dangerous situation. Failure to abide may result in light or minor injury and
damage.
CAUTION:
Indicates a potentially damaging situation. Failure to abide may result in damage to the product or to
anything near the product.
IMPORTANT:
Indicates useful tips and other specifically useful information that allow any dangerous or damaging
situations to be avoided.
REFERENCE TO ENVIRONMENTAL PROTECTION:
Important instructions for protecting the environment.
2.2 General Safety Notes
The KLEIBER 740 - LO pyrometer has been built in accordance with the currently valid standards of the
technology and the recognized safety regulations and ensures the highest safety level.
The fundamental safety and occupational safety requirements of applicable laws, standards, and guidelines
have been taken into account in the pyrometer design. The safety of the pyrometer is confirmed by the decla-
ration of conformity and the CE mark.
All information related to safety is with reference to the regulations of the European Union currently in force. In
other countries, applicable laws, national directives and safety regulations have to be met.
Apart from the safety instructions given in these operating instructions, you should also take into account the
generally valid regulations for accident prevention and environmental protection as well as the regulations of
the respective professional associations and strictly comply with them.
Note the general safety instructions:
• Commissioning of the pyrometer may only be carried out by persons qualified to do so, taking the safety
instructions into account.
• Pay attention to the installation site requirements and notes for commissioning.
• Only use the original cables provided as accessories for the connection of the pyrometer. Other cables,
especially cables manufactured by yourself, are not permitted.
• Lay all cables in such a way that they are not exposed to any tension and are not clamped or squashed.
• Before start-up, carry out a visual inspection for damage to the components of the pyrometer(housing,
optics, cable and pipes). Never operate the pyrometer with damaged components.
KS / KG / KGA 740 - LO 3

3 Scope of Delivery / Accessories
3 Scope of Delivery / Accessories
3.1 Scope of Delivery
The scope of delivery of the pyrometer includes:
• High speed infrared pyrometer KLEIBER 740 - LO (KS 740 - LO or KG 740 - LO or KGA 740 - LO)
• Retaining bolt ∅14.9 mm, length 100 mm, thread M12
• Inspection sheet
• User manual
IMPORTANT:
The connecting cables are not included in scope of delivery. Please order it according to the length
required.
Optical fiber and the fibre optics should be orderd with the pyrometer.
3.2 Device models
Art.-No. Description Configuration Measuring
range
07400-11200 KS 740 - LO Current output 0 . . . 20 mA 600 . . . 1,600
07400-11400 Current output 4 . . . 20 mA
07400-12200 Current output 0 . . . 20 mA 800 . . . 2,300
07400-12400 Current output 4 . . . 20 mA
07401-11200 KG 740 - LO Current output 0 . . . 20 mA 300 . . . 1,400
07401-11400 Current output 4 . . . 20 mA
07401-12200 Current output 0 . . . 20 mA 500 . . . 2,500
07401-12400 Current output 4 . . . 20 mA
07402-11200 KGA 740 - LO Current output 0 . . . 20 mA 200 . . . 1,000
07402-11400 Current output 4 . . . 20 mA
07402-12200 Current output 0 . . . 20 mA 300 . . . 2,300
07402-12400 Current output 4 . . . 20 mA
07402-13200 Current output 0 . . . 20 mA 400 . . . 1,300
07402-13400 Current output 4 . . . 20 mA
07402-14200 Current output 0 . . . 20 mA 400 . . . 3,000
07402-14400 Current output 4 . . . 20 mA
07402-19200 Current output 0 . . . 20 mA 350 . . . 3,500
07402-19400 Current output 4 . . . 20 mA
4 KS / KG / KGA 740 - LO

3 Scope of Delivery / Accessories
3.3 Accessories
Connecting cable
Art.-No. Description
30007-50040 Connecting cable, connector, straight, 5-pol., 4.0 m
30007-50075 Connecting cable, connector, straight, 5-pol., 7.5 m
30007-50100 Connecting cable, connector, straight, 5-pol., 10.0 m
30007-50150 Connecting cable, connector, straight, 5-pol., 15.0 m
30007-50200 Connecting cable, connector, straight, 5-pol., 20.0 m
30007-50900 Extension connecting cable, connector, straight, 5-pol., per meter
30007-51040 Connecting cable, connector, straight, 5-pol., jack 5-pol., 4.0 m
30007-51075 Connecting cable, connector, straight, 5-pol., jack 5-pol., 7.5 m
30007-51100 Connecting cable, connector, straight, 5-pol., jack 5-pol., 10.0 m
30007-51150 Connecting cable, connector, straight, 5-pol., jack 5-pol., 15.0 m
30007-51200 Connecting cable, connector, straight, 5-pol., jack 5-pol., 20.0 m
30007-51900 Extension connecting cable, connector, straight, 5-pol., jack 5-pol., per meter
BNC-connecting cable
Art.-No. Description
30007-91040 BNC-connecting cable, 4.0 m
30007-91075 BNC-connecting cable, 7.5 m
30007-91100 BNC-connecting cable, 10.0 m
30007-91150 BNC-connecting cable, 15.0 m
30007-91200 BNC-connecting cable, 20.0 m
30007-91900 Extension BNC-connecting cable, per meter
Power supply
Art.-No. Description
30001-10060 Power supply in aluminum housing, 230 V AC, 24 V DC
30001-10070 Power supply in aluminum housing, 115 V AC, 24 V AC
30001-10080 Power supply in aluminum housing, 230 V AC, 24 V AC
Device mounting
Art.-No. Description
30002-10010 Ball and socket mounting screw mounted
30002-10020 Ball and socket mounting clamp mounted
KS / KG / KGA 740 - LO 5

3 Scope of Delivery / Accessories
Standard optics
Art.-No. Description Measuring distance in
mm
Measuring field ∅in mm Optical
fiber
30006-12500 LVO 25 80 . . . 300 1.60 . . . 4.30 blue
30006-13500 LVO 35 250 . . . 1,000 3.50 . . . 11.00
Special optics
Art.-No. Description Measuring distance in
mm
Measuring field ∅in mm Optical
fiber
30006-02500 LVA 25 110 . . . 800 0.80 . . . 5.00 red
30006-12501 LVO 25 S - 1 115 . . . 250 0.40 . . . 1.20
30006-12502 LVO 25 S - 2 200 . . . 240 0.85 . . . 1.10
30006-12503 LVO 25 S - 3 78 0.30
30006-12504 LVO 25 S - 4 60 0.50
30006-12505 LVO 25 S - 5 70 . . . 200 1.00 . . . 2.60 blue
30006-12506 LVO 25 S - 6 250 . . . 500 3.50 . . . 6.30
30006-12507 LVO 25 S - 7 70 . . . 280 0.35 . . . 1.60 red
30006-12509 LVO 25 S - 9 74 . . . 284 0.70 . . . 3.00
Accessories for LVO 25 and special optics
Art.-No. Description
30006-33225 Protection glass
30006-32040 Screw cap incl. protection glass - very fast changeable
30006-32050 Screw cap incl. correction lens - very fast changeable (only LVA 25)
30006-32240 Cooling jacket with integrated air purge
30006-33122 Laser rejection filter 920 . . . 1100 nm
30006-32020 90° mirror
30006-32150 Mounting with retaining pin ∅10 mm
30006-32120 Ball and socket mounting
30006-32170 Mounting support, adjustable
30006-32220 Air purge unit
Accessories for LVO 35
Art.-No. Description
30006-33122 Laser rejection filter 920 . . . 1100 nm
30006-32010 90° mirror
30006-32160 Mounting with retaining pin ∅10 mm
30006-32130 Ball and socket mounting
30006-32230 Air purge unit
Accessories for every optics
Art.-No. Description
30002-30010 Optical scanner SC 1
30002-30030 Maximum value storage (only in combination with optical scanner SC 1)
6 KS / KG / KGA 740 - LO

3 Scope of Delivery / Accessories
Optical fiber
Art.-No. Description
30005-14015 Optical fiber 400 𝜇m, blue, stainless steel, 1.5 m
30005-14020 Optical fiber 400 𝜇m, blue, stainless steel, 2.0 m
30005-14025 Optical fiber 400 𝜇m, blue, stainless steel, 2.5 m
30005-14050 Optical fiber 400 𝜇m, blue, stainless steel, 5.0 m
30005-14075 Optical fiber 400 𝜇m, blue, stainless steel, 7.5 m
30005-14100 Optical fiber 400 𝜇m, blue, stainless steel, 10.0 m
30005-14150 Optical fiber 400 𝜇m, blue, stainless steel, 15.0 m
30005-14900 Extension optical fiber 400 𝜇m, blue, stainless steel, per meter
30005-04015 Optical fiber 400 𝜇m, blue, PTFE, 1.5 m
30005-04020 Optical fiber 400 𝜇m, blue, PTFE, 2.0 m
30005-04025 Optical fiber 400 𝜇m, blue, PTFE, 2.5 m
30005-04050 Optical fiber 400 𝜇m, blue, PTFE, 5.0 m
30005-04075 Optical fiber 400 𝜇m, blue, PTFE, 7.5 m
30005-04100 Optical fiber 400 𝜇m, blue, PTFE, 10.0 m
30005-04150 Optical fiber 400 𝜇m, blue, PTFE, 15.0 m
30005-04900 Extension optical fiber 400 𝜇m, blue, PTFE, per meter
30005-12015 Optical fiber 200 𝜇m, red, stainless steel, 1.5 m
30005-12020 Optical fiber 200 𝜇m, red, stainless steel, 2.0 m
30005-12025 Optical fiber 200 𝜇m, red, stainless steel, 2.5 m
30005-12050 Optical fiber 200 𝜇m, red, stainless steel, 5.0 m
30005-12075 Optical fiber 200 𝜇m, red, stainless steel, 7.5 m
30005-12100 Optical fiber 200 𝜇m, red, stainless steel, 10.0 m
30005-12150 Optical fiber 200 𝜇m, red, stainless steel, 15.0 m
30005-12900 Extension optical fiber 200 𝜇m, red, stainless steel, per meter
30005-02015 Optical fiber 200 𝜇m, red, PTFE, 1.5 m
30005-02020 Optical fiber 200 𝜇m, red, PTFE, 2.0 m
30005-02025 Optical fiber 200 𝜇m, red, PTFE, 2.5 m
30005-02050 Optical fiber 200 𝜇m, red, PTFE, 5.0 m
30005-02075 Optical fiber 200 𝜇m, red, PTFE, 7.5 m
30005-02100 Optical fiber 200 𝜇m, red, PTFE, 10.0 m
30005-02150 Optical fiber 200 𝜇m, red, PTFE, 15.0 m
30005-02900 Extension optical fiber 200 𝜇m, red, PTFE, per meter
30005-22020 Optical fiber with vacuum lead 200𝜇m, stainless steel, length in vacuum 1 m, outside 1 m
30005-24020 Optical fiber with vacuum lead 400𝜇m, stainless steel, length in vacuum 1 m, outside 1 m
On request we manufacture other customers specific optical fiber with vacuum lead.
Order information
Please send your orders for accessories to the following address. When ordering, please quote the type, the
name of the accessory part, and the quantity.
Service address
KLEIBER Infrared GmbH Phone: [phone] / 527 20 - 0
Am Gewände 3 Fax: [phone] / 527 20 - 12
D-07333 Unterwellenborn E-Mail: inf[email protected]
Germany Internet: www.kleiberinfrared.com
KS / KG / KGA 740 - LO 7

4 Technical Data
4 Technical Data
4.1 Properties
Measurement outlet analog 0 . . . 20 mA or 4 . . . 20 mA, maximum burden 500 Ω
0 . . . 10 V via BNC
Accuracy 0.75 % of measured value (at 25 °C , 𝜀= 1)
Reproducibility < 0.3 % of measured value (at 25 °C, 𝜀= 1)
Response time t95 6𝜇s via voltage output
9𝜇s via current output
Emissivity 𝜀Adjustable from 0.1 . . . 1
Aiming device LED pilot light
Operating temperature 0 . . . +40 °C pyrometer
0 . . . +260 °C for fiber optics and optical fiber
Storage temperature -20 . . . +70 °C
Relative humidity Non condensing conditions
Power supply 24 V DC, 0.2 A or 24 V AC, 0.2 A
Degree of protection IP 54 according to DIN 40 050
Test base EN 55 011 : 1998, limit class A
CE marking According to EU regulations
Length 170 mm
Height 70 mm
Depth 70 mm
4.2 Measurement ranges
Type Meas. range Spectral range
KS 740 - LO 600 . . . 1,600 °C 0.85 . . . 1.05 𝜇m Pilot light has to switched off during the
measurement, as this may falsify the
measurement result.
KS 740 - LO 800 . . . 2,300 °C 0.85 . . . 1.05 𝜇m Pilot light has to switched off during the
measurement, as this may falsify the
measurement result.
KG 740 - LO 300 . . . 1,400 °C 1.58 . . . 1.80 𝜇m
KG 740 - LO 500 . . . 2,500 °C 1.58 . . . 1.80 𝜇m
KGA 740 - LO 200 . . . 1,000 °C 1.58 . . . 2.20 𝜇m
KGA 740 - LO 300 . . . 2,300 °C 2.00 . . . 2.20 𝜇m
KGA 740 - LO 400 . . . 1,300 °C 2.00 . . . 2.20 𝜇m
KGA 740 - LO 400 . . . 3,000 °C 2.00 . . . 2.20 𝜇m
KGA 740 - LO 350 . . . 3,500 °C 2.00 . . . 2.20 𝜇m
8 KS / KG / KGA 740 - LO

4 Technical Data
Possible combinations between optics and measurement ranges
Measuring range LVO 25 LVO 35 LVA 25 LVO 25 S - 1 LVO 25 S - 2 LVO 25 S - 3 LVO 25 S - 4 LVO 25 S - 5 LVO 25 S - 6 LVO 25 S - 7 LVO 25 S - 9
600 . . . 1,600 °C X X - - - - - X X B-
800 . . . 2,300 °C X X X X - - X X X X -
300 . . . 1,400 °C X X BX- - B B X- -
500 . . . 2,500 °C X X X X -X X X X X -
200 . . . 1,000 °C X X X - - - BX X - -
300 . . . 2,300 °C X X X X - - X X X X -
400 . . . 1,300 °C X X X X -X X X X X -
400 . . . 3,000 °C X X X X X X X X X X X
350 . . . 3,500 °C X X X X X BX X X B B
Legend:
XStandard combination
BCombination possible with
higher effort / noise
- Combination not possible
4.3 Drawing pyrometer
Light spot
0,1
0,2
0,3
0,4
0,50,6
0,7
0,8
0,9
1
Emissivity
Output 0 - 10 V
C
Type: No.:
Measuring range: °C
Input: Output:
KGA 740 - LO 35123
300 1400
24 V AC / DC 4 - 20 mA
Push button
pilot light
BNC output Potentiometer emissivity
5-pin plug connection Connection optical fiber
10
169
M 12 for retaining pin
11
7070
19.5
Figure 1: Drawing pyrometer
KS / KG / KGA 740 - LO 9

5 Technical Description
5 Technical Description
5.1 System Design / Principle of Operation
Figure 2 shows the basic structure of the pyrometer with fiber optics and optical fiber. The infrared radiation
coming from the object is collected and focused by a fiber optics, that main parts are a lens and an aperture.
Via a optical fiber the infrared radiation is transmitted to the pyrometer.
The basic parts of a pyrometer are the lens, aperture, filter detector, and the signal processing unit. The
infrared radiation coming in from the optical fiber is gathered by the lens. The aperture blocks unwanted rays
at the edges.
The filter permits only the desired spectral range to enter. The rays then pass through to the detector which
transforms the infrared radiation into electric signals. These signals are then linearised in the signal processing
unit and changed into a standard output signal which can then be read in the display and be used for process
control.
The operating elements as well as the connections/ interfaces are located at the back of the pyrometer (see
Operating elements and cable connections (section 5.3) at page 12).
Measuring object Fiber optics Lens Aperture Optical fiber Lens Pilotlight Filter Detector Signal processing unit Pyrometer
Figure 2: Structure of the pyrometer
5.2 Optics
5.2.1 Vario optics
The vario optics can be adjusted to the required measuring distance and allows small measuring fields for
various distances to the object being measured. The object being measured can be at an arbitrary distance,
but must be at least as large as the measuring field at that distance (see Setting the vario fiber optics (section
5.2.3) at page 11).
Optical fiber Ring nut Housing
Length L Maximum measuring distance
Minimum
measuring distance
Figure 3: Vario optics
5.2.2 Fixed optics
The fixed optics is a fixed optics for very small measuring fields, i.e. a certain measuring field diameter is given
for a certain measuring distance.
10 KS / KG / KGA 740 - LO

5 Technical Description
Optical fiber Ring nut Housing
Length L Measuring distance
Figure 4: Fixed optics
IMPORTANT:
The fixed optic cannot be adjusted. The distances mentioned must be respected absolutely in order to
ensure the small measuring field.
5.2.3 Setting the vario fiber optics
Adjust the vario fiber optics as follows:
1. If necessary switch on the pilot light.
2. Loosen the ring nut by turning it in a counter-clockwise direction.
3. Hold the screw connector of the optical fiber and turn the housing until length L has been reached,
for the correspondingly measuring distance. Mentioned distances in the data sheet are essential to be
maintained.
4. After adjusting the measuring distance, lock the ring nut by turning it in a clockwise direction.
XThe vario optics is adjusted to the required measuring distance.
Optical fiber Ring nut Housing
Length L Maximum measuring distance
Minimum
measuring distance
Figure 5: Setting the fiber optics
Example (LVO 25)
aain mm 80 100 120 140 160 180 200 220 240 260 280 300
Mbin mm 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.1 3.4 3.7 4.0 4.3
Lcin mm 63.2 60.0 58.1 56.2 55.4 54.6 54.0 53.6 53.1 52.7 52.4 52.1
aMeasuring distance
bMeasuring field diameter
cLength
KS / KG / KGA 740 - LO 11

5 Technical Description
5.3 Operating elements and cable connections
The operating elements and cable connections are located on the rear side of the device.
Light spot
0,1
0,2
0,3
0,4
0,50,6
0,7
0,8
0,9
1
Emissivity
Output 0 - 10 V
C
Type: No.:
Measuring range: °C
Input: Output:
KGA 740 - LO 35123
300 1400
24 V AC / DC 4 - 20 mA
Push button
pilot light
BNC output Potentiometer emissivity
5-pin plug connection
Figure 6: Rear side pyrometer
Element Meaning
Push button for pilot light
(Alternative: Instead through
lens sighting)
Switch on/ off the pilot light
BNC output Measurement output
0 . . . 10 V
Potentiometer emissivity Adjustment emissivity
0.1 . . . 1.0
5-pin plug connection Power supply connection and current
output
Potentiometer can be set with the help of a suitable screw driver without
any violence.
5.4 Connection for 5-pole connecting cable
The 5-pole plug to connect the instrument is at the rear side of the unit. The contacts of the 5-pole plug are
arranged as follows:
432
51
Figure 7: Connection 5-pole ca-
ble
Contact Color cable
core
Meaning
1 White +24 V AC / DC supply voltage
2 Brown 0 V AC / DC supply voltage
3 Green Ground output
4 Yellow Analog output 0 / 4 . . . 20 mA
5 Green-Yellow PE
5.5 Mounting
To mount the pyrometer, a threaded drilling M12 is located on the underside of the unit. The pyrometer can be
attached to different mountings.
We recommend to use the retaining bolt supplied with the pyrometer or the optional available ball and socket
mounting support with clamp or thread. This mounting plate ensures secure assembly of the pyrometer (for
order data see Accessories (section 3.3) at page 5).
5.6 Emissivity
The emissivity is the relationship between infrared energy radiated from an object and the radiation energy of
a perfect emitter (black emitter) at the same temperature and the same spectral range.
The emissivity is material-dependent and of a considerable size in order to be able to determine the temper-
ature of an object accurately without contact. The emissivity of the object being measured must therefore be
known and be adjusted at the pyrometer.
Typical emissivities for various materials are available on our homepage at www.kleiberinfrared.com or in rele-
vant literature.
The instrument is calibrated at black body radiation (𝜀= 1,00). Real objects have an emissivity less than 𝜀=
1.00. This difference can be adjusted with changing the emissivity value from the pyrometer.
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5 Technical Description
How to find out correct emissivity:
1. Measure the real temperature of measuring object with a contact thermometer e.g. thermocouple or
resistance probes.
2. Align the pyrometer at the measuring object and adjust the emissivity until both devices (pyrometer and
contact thermometer) show the same temperature value.
XAfter adjusting the emissivity factor through a correlation measurement you can now measure
temperatures for the calibrated temperature range at an accuracy mentioned in the technical data.
IMPORTANT:
Please pay attention if you take over table values of emissivity to give the value of emissivity factor at a
certain wave length. Adjusting emissivity following table values is not as exactly as adjusting following
a comparing measurement.
KS / KG / KGA 740 - LO 13

6 Starting Up
6 Starting Up
6.1 Installation Site Requirements
CAUTION:
Measurement errors and damage to the pyrometer through
• Ambient temperatures too high
• Strong contamination of the optics due to dust, smoke, steam or other causes like air pollution
• Electromagnetic interference sources
You must take into account the following climatic conditions and the requirements of the place of use
of the pyrometer!
6.1.1 Climatic conditions
The following requirements must be fulfilled with respect to the climatic conditions at the place of use of the
pyrometer:
• Temperature range 0 °C . . . +40 °C (0 °C . . . +260 °C for optical fiber and fiber optics)
• Maximum air humidity: 60 % at room temperature
• Atmosphere free of dust, corrosive vapours, and fume gases
6.1.2 Requirements at the place of use
Take into account the following requirements at the place of use of the pyrometer:
• Take care with the choice of the place of use and take into account the ergonomic and the legal guidelines
for industrial safety in order to ensure safe operation of the pyrometer.
• Set up the pyrometer on a firm, stable base. The base must be free from concussion and vibration.
Note:
We recommend using the rail mounting plate available as an accessory for the attachment of the pyrom-
eter as well as a clamping attachment (see Accessories (section 3.3) at page 5).
• Do not expose the system to direct sunlight or radiation from heating (e.g. radiators).
• Do not set the pyrometer near strong electromagnetic fields or near electromagnetic interference sources.
• Make sure that the pilot light falls unhindered on the object being measured and that there is nothing in
the path of the rays.
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6 Starting Up
6.2 Installation
6.2.1 Fix and connect the pyrometer
DANGER:
There is danger of injury and possible equipment damage by connection of cables under power!
Never connect cables under power! Make sure that the voltage supply is switched off before connection
of the cables to the pyrometer!
Install the pyrometer as follows:
1. Mount the pyrometer with the help of the retaining bolt and taking into account the conditions specified in
Installation Site Requirements (section 6.1) at page 14 for the intended place of use.
Note: Do not exceed the 12 mm screw-in depth from the pyrometer.
2. Connect the colored wires of the 5-pole connecting cable to appropriate connections of a switchboard.
For wire configuration please see Connection for 5-pole connecting cable (section 5.4) at page 12
3. Connect the plug of the 5-pole connecting cable to the pyrometer at the back of the instrument (see
Operating elements and cable connections (section 5.3) at page 12).
4. Connection optical fiber and fiber optics:
• The colored end of the optical fiber is connected to the front of the pyrometer.
• The black end of the optical fiber is connected to the back of the fiber optics.
• The fiber optics can also fastened with serveral mountings, that are available as accessories.
• The minimum bend radius of the optical fiber (200 mm type red, 400 mm type blue) must not be
exceeded.
5. Double check stable set up of the pyrometer.
XThe pyrometer is ready for use and can be switched on.
6.2.2 Align pyrometer
The pyrometer is equipped with an LED pilot light for accurate alignment of the sensor with the object to be
measured. Align the pyrometer with the object to be measured as follows:
1. Switch on the supply voltage to the pyrometer.
2. Allow a starting time of approx. 5 minutes for thermo-stabilization. Than the pyrometer has stabilized and
is ready to work with the given accuracy.
3. Switch on the pilot light. Make sure that there is nothing in the path of rays.
4. When the measuring distance of the used optics can be changed, set the optic regarding to the needed
measuring distance. The resulting measuring field diameter must not be larger than the object to be
measured (see Setting the vario fiber optics (section 5.2.3) at page 11). Align the optics according to the
measuring distance on the measuring object, using the pilot light. Make sure that there are no objects in
the path of rays.
XThe pyrometer is thus aligned and ready for temperature measurement.
KS / KG / KGA 740 - LO 15

7 Troubleshooting
7 Troubleshooting
DANGER:
There is a danger of injury and possible equipment damage through incorrect power supply!
Let problems relating to an incorrect power supply be eliminated by an electrical specialist! Do not
carry out arbitrary work on the electrical components of the pyrometer!
Only eliminate such problems yourself when their causes obviously relate to incorrect power supply or contam-
ination of the lens.
Do not undertake any interventions into the pyrometer. If problems arise which do not relate to the causes
mentioned above, inform the service staff of the KLEIBER Infrared GmbH.(for contact data see (section 3.3)
at page 7)
Fault Cause Solution
Pyrometer does not provide any
measured values
Power supply faulty or interrupted • Check the power supply
• Check plugs and connections
• Inspect cable
If the pyrometer supplies inac-
curate measured values or mea-
sured values which lie outside the
range to be expected
Dirty optics or condensation on
the lens
Clean optics (see Cleaning the
Optics (section 9.2) at page 18)
16 KS / KG / KGA 740 - LO