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Pyrometer
CellaTemp PKL 63,
PKF 66/67, PK(L) 68
Ident no.: 1086021 06/2017

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Summary of Contents for Keller CellaTemp PKL63

  • Page 1 Pyrometer CellaTemp PKL 63, PKF 66/67, PK(L) 68 Ident no.: 1086021 06/2017...
  • Page 2: Table Of Contents

    Operating instructions CellaTemp PKx 6x Content 11 General ��������������������������������������������������������������������������������������������������������������5 1�1 Information about this manual ���������������������������������������������������������������������5 1�2 Explanation of symbols �������������������������������������������������������������������������������5 1�3 Liability and Warranty ����������������������������������������������������������������������������������5 1�4 Copyright �����������������������������������������������������������������������������������������������������6 12 Safety �����������������������������������������������������������������������������������������������������������������6 2�1 Intended use �����������������������������������������������������������������������������������������������6 2�2 User‘s responsibility ������������������������������������������������������������������������������������6 2�3 Safety requirements ������������������������������������������������������������������������������������6 2�4 Electromagnetic Compatibility ���������������������������������������������������������������������7 13 General Description �������������������������������������������������������������������������������������������7 14 Models ���������������������������������������������������������������������������������������������������������������8...
  • Page 3 Operating instructions CellaTemp PKx 6x 17 Shielding and Grounding ���������������������������������������������������������������������������������17 7�1 Equipotential bonding �������������������������������������������������������������������������������17 18 Operating controls and display ������������������������������������������������������������������������18 19 Menu ����������������������������������������������������������������������������������������������������������������19 9�1 Process value display �������������������������������������������������������������������������������19 9�2 Analogue output ����������������������������������������������������������������������������������������19 9�3 Digital threshold OUT1 ������������������������������������������������������������������������������20 9�4 Digital threshold OUT2 ������������������������������������������������������������������������������21 9�5 Two-colour mode���������������������������������������������������������������������������������������22 9�6 One-colour mode ��������������������������������������������������������������������������������������23 9�7 Advanced Features �����������������������������������������������������������������������������������24...
  • Page 4 Operating instructions CellaTemp PKx 6x 15 Theory of Non-Contact Temperature Measurements���������������������������������������39 15�1 Advantages fo Non-Contact Temperature Measurement ������������������������39 15�2 Measurements an Black Bodies (Cavity Radiators) ��������������������������������40 15�3 Measurements of Real Radiators �����������������������������������������������������������40 15�4 Measurements errors ������������������������������������������������������������������������������41 16 Ways to determine emissivity ��������������������������������������������������������������������������41 16�1 Emissivity coefficient tables (One-colour mode) �������������������������������������42 17 Maintenance ����������������������������������������������������������������������������������������������������43 17�1 Cleaning the pyrometer lens �������������������������������������������������������������������43...
  • Page 5: General

    Operating instructions CellaTemp PKx 6x 1 General 1.1 Information about this manual The Operating Manual shall enable the user to properly install the pyrometer and the required accessories� Before starting installation, be sure to read and understand this entire manual, in particular the chapter on safety! The instructions contained in this manual, especially those concerning safety, as well as site specific regulations governing UV radiation must be complied with at all times�...
  • Page 6: 1�4 Copyright

    Operating instructions CellaTemp PKx 6x 1.4 Copyright This Operating Manual should be treated as confidential� It is solely intended for use by persons involved with the instrument� This manual may not be made available to a third party without prior Manufacturer’s consent� Please contact the Manufacturer if the need should arise�...
  • Page 7: 2�4 Electromagnetic Compatibility

    Operating instructions CellaTemp PKx 6x 2.4 Electromagnetic Compatibility The devices comply with the essential safety requirements of the Electromagnetic Compatibility Directive 2014/30/EU (EMC Act)� When connecting a power supply unit, make sure that is also conforms to these standards� Radio interference may arise if the pyrometer is interconnected with such peripheral devices which have not been properly interference-suppressed�...
  • Page 8: Models

    Operating instructions CellaTemp PKx 6x 4 Models Focus Measuring LED spot Model Temp. range distance field size light Two-colour pyrometer with fixed focus optics PK 68 AF 1 550 - 1400 °C 1�5 m Ø 21 mm PKL 63 AF 1 0�21 m 4�1 x 0�6 mm PKL 63 AF 2...
  • Page 9: Function

    Operating instructions CellaTemp PKx 6x 5 Function The pyrometer measures the temperature without contact to the target� The infrared sensor is equipped with an analogue output and two open collector outputs� The instrument‘s display panel shows the measured temperature� • Analogue output 0/4 - 20 mA •...
  • Page 10: 5�2 Switching Threshold Out1

    Operating instructions CellaTemp PKx 6x 5.2 Switching threshold OUT 1 OUT1 changes its switching status when the configured upper and lower thresh- olds [d1. S P, d1. r P] are exceeded� The source d1. S defines the signal at the output Out1� Two sources are available: •...
  • Page 11: 5�5 Lower Threshold Delay

    Operating instructions CellaTemp PKx 6x 5.5 Lower threshold delay • The output impulse can be lengthened to make sure that the output impulse is correctly identified, e�g� by a downstream control system� • Lower threshold delay: [d1] → [d1. d r] = 0���10 sec� 5.6 Switching functions 1: Temperature profile...
  • Page 12: 5�8 Switching Threshold Out2

    Operating instructions CellaTemp PKx 6x 5.8 Switching threshold OUT2 OUT2 changes its switching mode in relation to the set function� The following functions are available as a source for OUT2: • Dirt alert • Sync-pulse • Inner device temperature 5.9 Dirt alert A dirt alert function is available to ensure a safe measurement for the PKx 6x pyrometer�...
  • Page 13: 5�11 Inner Device Temperature

    Operating instructions CellaTemp PKx 6x The parameter [DirT] dirt alert should be set to a signal intensity of 0�5 x� The pyrometer will stop to calculate the ratio temperature when the disconnection threshold [q] → [q. L iN]� The current signal strength can be displayed with parameter Q signal strength [q] →...
  • Page 14: 5�14 Lower Threshold Delay

    Operating instructions CellaTemp PKx 6x 5.14 Lower threshold delay The output impulse can be lengthened to make sure the output impulse is correctly identified, e�g� by a downstream control system� Lower threshold delay: [d2] → [d2 . d r] = 0���10�0 sec� 5.15 Setting the emissivity ratio (two-colour mode) The difference between measured temperature and true temperature can be compensated by changing the emissivity ratio�...
  • Page 15: 5�17 Transmission Factor (One-Colour Mode)

    The IODDs required for configuring the IO-Link device as well as detailed informa- tion on process data set-up, diagnostic functions and parameter addresses are available in the download area at www�keller-msr�de/pyrometer� A 3-wire cable port Class A (Type A) must be used for IO-Link operation�...
  • Page 16: Electrical Connection

    Operating instructions CellaTemp PKx 6x 6 Electrical connection ATTENTION The pyrometer may only be installed by a skilled, qualified electrician� Do not connect the instrument while the voltage supply source is turned on� Please observe international safety regulations at all times� ►...
  • Page 17: Shielding And Grounding

    Operating instructions CellaTemp PKx 6x 7 Shielding and Grounding 7.1 Equipotential bonding The pyrometer housing is connected to the shielding via the cable connector! Differences in ground potentials might cause an equalising current to flow between devices through a cable shielded at both ends� In this case, be sure to install an additional equipotential bonding line�...
  • Page 18: Operating Controls And Display

    Operating instructions CellaTemp PKx 6x 8 Operating controls and display The pyrometer PKx 6x features a 4-digit display, 3 control keys and 3 LEDs� The instrument‘s display panel shows the measured temperature� 1 to 3: Indicator-LEDs LED 1 = indicates switching output OUT1 LED 2 = indicates switching output OUT2 LED 3 = signal strength 4: Control key Enter...
  • Page 19: Menu

    Operating instructions CellaTemp PKx 6x 9 Menu 9.1 Process value display lock / unlock (display shows Loc/uLoc) 9.2 Analogue output Menu is not available when key lock is active Display Adjustment...
  • Page 20: 9�3 Digital Threshold Out1

    Operating instructions CellaTemp PKx 6x 9.3 Switching threshold OUT1 Menu is not available when key lock is active Display Adjustment...
  • Page 21: 9�4 Digital Threshold Out2

    Operating instructions CellaTemp PKx 6x 9.4 Switching threshold OUT2...
  • Page 22: 9�5 Two-Colour Mode

    Operating instructions CellaTemp PKx 6x 9.5 Two-colour mode Menu is not available when key lock is active Display Adjustment...
  • Page 23: 9�6 One-Colour Mode

    Operating instructions CellaTemp PKx 6x 9.6 One-colour mode Menu is not available when key lock is active Display Adjustment...
  • Page 24: 9�7 Advanced Features

    Operating instructions CellaTemp PKx 6x 9.7 Advanced Features Menu is not available when key lock is active Display Adjustment...
  • Page 25: Menu Explanation

    Operating instructions CellaTemp PKx 6x 10 Menu explanation 10.1 Analogue output Parameter Function Explanation QUot. two-colour mode SPEc. one-colour mode Select source Ao . S (the selected temp� reading source will be shown on the display) Define lower limit of Analogue start value for scaling Ao .
  • Page 26: 10�3 Switching Threshold Out2

    Operating instructions CellaTemp PKx 6x 10.3 Switching threshold OUT2 Parameter Function Explanation QUot. two-colour mode SPEc. one-colour mode OUT2 source Tu. h i inner device temperature D2 . S Dirt. dirt alert Sync. sync-pulse* OUT2 Upper threshold which activates OUT2 d2 .
  • Page 27: 10�4 Measurement Acquisition (Two-Colour Mode)

    Operating instructions CellaTemp PKx 6x 10.4 Measurement acquisition (two-colour mode) Parameter Function Explanation Ratio correction Ratio correction 80- 120 % Q . E PS Smoothing filter for min/ Off no smoothing Q . F iL max memory time t 0-10 sec in 0�1 sec steps Min/max memory PhLd Peak hold function Q .
  • Page 28: 10�5 Measurement Acquisition (One-Colour Mode)

    Operating instructions CellaTemp PKx 6x 10.5 Measurement acquisition (one-colour mode) Parameter Function Explanation Emissivity factor Emissivity 10 - 110 % S . E PS Transmission factor 10 - 100 % (see chapter 5�17) S . t AU Max/min memory S . N EN P .
  • Page 29: Setup

    Operating instructions CellaTemp PKx 6x 11 Setup 11.1 Two-colour mode When measuring with a two-colour pyrometer, the field of view does not have to be filled entirely by the target object� There might even be particles like dust, steam and smoke in the viewing path that weaken the infrared radiation� LED 3 signals when a measurement is critical�...
  • Page 30: 11�2 One-Colour Mode

    Operating instructions CellaTemp PKx 6x 11.2 One-colour mode ► Set the pyrometer to one-colour mode: One-colour [Ao] → [Ao . S ] = SpEc. ► Align the pyrometer to the object to be measured Best Good Incorrect Target larger Target equal Target smaller than spot size to spot size...
  • Page 31: Aligning And Focusing The Fiber Optic Head

    Operating instructions CellaTemp PKx 6x 12 Aligning and focusing the fiber optic head The fiber optic head has to be aligned on the target� It is important to ensure that the beam path is not obstructed� If the pyrometer has a fiber optic, it could be necessary to focus the measuring head additionally�...
  • Page 32: 12�1 Safety Instructions And Precautions

    Operating instructions CellaTemp PKx 6x 12.1 Safety instructions and precautions Laser Radiation Hazard: Laser radiation can be harmful to eye! The laser pointer operates with a class 2 red light laser� Direct prolonged viewing of a laser beam can injure the retina� There-fore, the following safety precautions must be strictly observed, otherwise the laser may not be operated! •...
  • Page 33: Operating Parameters

    Operating instructions CellaTemp PKx 6x 13 Operating parameters When you reset/adjust the operating parameters the instrument remains in run mode� It continues to operate, using the current parameter settings, until you have finished configuring by pressing [Enter]� 13.1 Setting parameters – general information Select parameter ►...
  • Page 34: 13�2 Damping Function

    Operating instructions CellaTemp PKx 6x Confirm parameter value ► Press [Enter] > The display indicates the parameter� The new value has been saved and will take effect� Adjust additional parameters ► Start again with step 2� Exit operating parameters layer ►...
  • Page 35: 13�3 Peak Hold Function

    Operating instructions CellaTemp PKx 6x OUT2 [mA] 1: Output signal without smoothing function 2: Output signal with smoothing function 13.3 Peak hold function It might often be desirable to determine the peak temperature during a defined time period, for example when the objects to be measured move past the pyrom- eter, resulting in temperature readings which would appear to be cyclical�...
  • Page 36: 13�4 Dtd Function

    Operating instructions CellaTemp PKx 6x OUT2 [mA] 1: Measuring object in front of pyrometer 2: Hold time 3: Measurement time of the second internal peak value memory 4: Measuring readings with peak hold function 5: Measuring readings without peak hold function 13.4 DTD function (Discontinuous Temperature Detection) This function serves to automatically detect the temperature during manufacturing processes with discontinuous or intermittent material flow�...
  • Page 37 Operating instructions CellaTemp PKx 6x It can further be set which temperature is displayed or available at the output during the measurement� • [d2] → [q. A no] = [t. h ld. ] During the measurement the previous read- ing is available at the temperature output� •...
  • Page 38: 13�5 Reset All Parameters To Factory Settings

    Operating instructions CellaTemp PKx 6x 13.5 Reset all parameters to factory settings ► [rES . ] select in menu advanced functions ► Press [ENTER] > The display shows [STOP] ► Hold [ENTER] for 2 seconds > Display flashes for 2 seconds ►...
  • Page 39: 14�2 Error Indications

    Operating instructions CellaTemp PKx 6x 14.2 Error indications The corresponding LED OUT 1 will flash at Overload output 4 Hz� The display shows "SC1" at 2 Hz� Display ot alternately shows overtempera- ture and measurement reading at = 0�5 Hz� Overtemperature The corresponding LED flashes at 4 Hz when the output is switched off�...
  • Page 40: 15�2 Measurements An Black Bodies (Cavity Radiators)

    Operating instructions CellaTemp PKx 6x • Small objects with medium and high temperatures can also be easily and accurately measured� • When measuring materials with low specific heat, a non-contact method does not induce heat loss which would distort the temperature reading (as is the case with contact temperature probes)�...
  • Page 41: 15�4 Measurements Errors

    Operating instructions CellaTemp PKx 6x furnace - which applies to all other self-contained targets - always show a reading which is too low� Considerable errors can occur at targets with reflecting, polished or bright surfaces, e�g� molten steel and metal without oxide layer and ceramic materials�...
  • Page 42: 16�1 Emissivity Coefficient Tables (One-Colour Mode)

    Operating instructions CellaTemp PKx 6x Using a reference emissivity coefficient Apply matte black colour to a part of the surface to be measured� This part has an emissivity of 94 %� At first, measure the temperature of the coloured part� Then make a comparative measurement right next to the coloured part and adjust the emissivity on the pyrometer until it displays the previous measurement reading again�...
  • Page 43: Maintenance

    Old electrical and electronic devices frequently still contain valuable materials� These devices can be returned for disposal to the manufacturer or they must be disposed properly by the user� For the improper disposal of the device by the user, the company KELLER HCW is not responsible�...
  • Page 44: Accessories

    Operating instructions CellaTemp PKx 6x 19 Accessories Device Type Ident no. Shielded cable VK 02/L AF 1: 5 m 1043813 Shielded cable VK 02/L AF 2: 10 m 1047718 Laser pointer PS 01/M AF 3 1039284 Laser pointer PS 01/P 1029357 Air purge PS 01/A...
  • Page 45: General Technical Data

    Operating instructions CellaTemp PKx 6x 20 General technical data Load max. 500 Ω Switching output OUT1 / 2 Open Collector outputs 24 V, ≤ 150 mA switch point [°C]/ reset point [°C], hysteresis ≥ 2 K, Switch-on-/Switch-off-delay, NC/ NO IO-Link revision V1�1, downward compatible to V1�01 SIO mode yes, supported...
  • Page 46: Device-Specific Technical Data And Field Of View Diagrams

    Operating instructions CellaTemp PKx 6x 21 Device-specific technical data and field of view diagrams PK 68 AF 1 Temperature range 550 - 1400 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1500 mm Target spot diameter 21 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥...
  • Page 47 Operating instructions CellaTemp PKx 6x PKF 66 AF 1 Temperature range 700 - 1800 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 200 - ∞ mm Target spot diameter 190 : 1 Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 48 Operating instructions CellaTemp PKx 6x PKF 66 AF 2 Temperature range 700 - 1800 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1080 mm Target spot diameter 6�9 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 49 Operating instructions CellaTemp PKx 6x PKF 66 AF 3 Temperature range 700 - 1800 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 120 - ∞ mm Target spot diameter 100 : 1 Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 50 Operating instructions CellaTemp PKx 6x PKF 66 AF 4 Temperature range 700 - 1800 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 33 - 45 mm Target spot diameter 50 : 1 Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 51 Operating instructions CellaTemp PKx 6x PKF 66 AF 5 Temperature range 700 - 1800 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1800 mm Target spot diameter 8 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 52 Operating instructions CellaTemp PKx 6x PKF 67 AF 5 Temperature range 600 - 1400 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1800 mm Target spot diameter 16 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 53 Operating instructions CellaTemp PKx 6x PKL 63 AF 1 Temperature range 650 - 1600 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 210 mm Target spot diameter 4�1 x 0�6 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 54 Operating instructions CellaTemp PKx 6x PKL 63 AF 2 Temperature range 650 - 1600 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1000 mm Target spot diameter 18�5 x 2�7 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 55 Operating instructions CellaTemp PKx 6x PKL 68 AF 1 Temperature range 650 - 1600 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 210 mm Target spot diameter 1�2 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 56 Operating instructions CellaTemp PKx 6x PKL 68 AF 2 Temperature range 650 - 1600 °C Sensor Double Si Spectral sensitivity 0�95 / 1�05 µm Focus distance 1000 mm Target spot diameter 5�6 mm Analogue output 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 57: Factory Settings

    Operating instructions CellaTemp PKx 6x 22 Factory settings Para- Factory settings meter PK 68 PKF 66 PKF 67 PKL 63 PKL 68 User AF 1 AF 1 - 5 AF 5 AF 1 / 2 AF 1 / 2 settings quot�...
  • Page 58 AU s. N EN 0�1 0�1 0�1 0�1 0�1 s. P hd 0�0 0�0 0�0 0�0 0�0 s. d Ap diSP °C °C °C °C °C Unit t. s iN Stop Stop Stop Stop Stop rEs. More information at www�keller�de/its...
  • Page 59: Copyright

    Operating instructions CellaTemp PKx 6x 23 Copyright The device software contains portions of the avr-libc library� Portions of avr-libc are Copyright (c) 1999-2007 Keith Gudger, Colin O‘Flynn, Nils Kristian Strom, Bjoern Haase, Bob Paddock, Michael Stumpf, Steinar Haugen, Reiner Patommel, Stefan Swanepoel, Peter Jansen, Michael Rickman,...
  • Page 60 Please note: Unless otherwise stated in this instruction manual, the instruments described herein are subject to change without prior notice, particularly modifications for the sake of technological advancement� © 2017 KELLER HCW GmbH Carl-Keller-Straße 2-10 D-49479 Ibbenbüren-Laggenbeck Germany www�keller�de/its...

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