Keller CellaTemp PK Series Operating Instructions Manual

Pyrometer

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Pyrometer

CellaTemp

PK / PKF / PKL xx BF

Ident no.: 1127067 09/2024

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Summary of Contents for Keller CellaTemp PK Series

Page 1 Pyrometer CellaTemp PK / PKF / PKL xx BF Ident no.: 1127067 09/2024...
Page 2 Operating instructions CellaTemp PK xx BF 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 Laser Radiation Hazard ��6 13 Shipping, packaging and disposal ��8...
Page 3 Operating instructions CellaTemp PK xx BF 10 Shielding and Grounding ��16 10�1 Equipotential bonding ��16 11 Operating controls and display ��17 11�1 Processing of measuring signals ��18 11�2 Analogue output ��18 11�3 Switching threshold OUT 1 ��19 11�4 Output signal OUT 1 ��19 11�5 Switch on delay OUT 1 ��19 11�6 Switch off delay OUT 1 ��19 11�7 Hysteresis function ��20...
Page 4 Operating instructions CellaTemp PK xx BF 16 Operating parameters ��37 16�1 Setting parameters – general information ��37 17 Error indications ��39 18 Service functions ��39 18�1 Reset all parameters to factory settings ��39 18�2 Simulate a desired temperature ��40 19 Diagnostics ��41 19�1 Diagnostic messages (pyrometer display) ��41 19�2 Diagnostic messages IO-Link ��41 19�3 Service reset ��42...
Page 5 Operating instructions CellaTemp PK xx BF 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 Operating instructions CellaTemp PK xx BF 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 Operating instructions CellaTemp PK xx BF • Only use the laser to align and focus the pyrometer� Deactive the laser immediately afterwards� • Never look directly into the laser beam path� • Do not leave the instrument unattended when the laser is activated� •...
Page 8 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 9 Operating instructions CellaTemp PK xx BF 4 Theory of Non-Contact Temperature Measurements All materials radiate thermal energy in all states of aggregation above absolute zero� This radiation is mainly caused by atomic or molecular oscillations� This temperature radiation is only a limited sector within the total electromagnetic radiation spectrum�...
Page 10 Operating instructions CellaTemp PK xx BF a black body is equal to 1 or 100 %� The emissivity coefficient indicates the ratio of radiation of a real body (target) to the radiation of an ideal black body� ε(λ): Emissivity coefficient of the object’s surface (targeted spot) at wavelengh λ radiant energy actually emitted by a real object : radiant energy emitted by a black body (perfect radiator) Most burning, annealing and hardening furnaces emit a radiation of nearly ‚1‘...
Page 11 Operating instructions CellaTemp PK xx BF 5 Ways to determine emissivity Data on the emissivity of various substances can be found in the literature� However, this information should be treated with caution� It is important to know for which temperature and which wavelength the emissivity value is applicable� Furthermore, the stated emissivity values were obtained under ideal conditions�...
Page 12 Operating instructions CellaTemp PK xx BF The pyrometer’s field of vision must remain unobstructed� Any interference from objects must be avoided� ATTENTION If the ambient temperature is > 65 °C, the pyrometer must be cooled or protected against radiation by a shielding plate� 7.2 Alignment Align the pyrometer with the object to be measured�...
Page 13 Operating instructions CellaTemp PK xx BF 7.3 Focusing the fiber optic head If the pyrometer has a fiber optic, it could be necessary to focus the measuring head additionally� For that, the laser pointer is to be connected to the fiber optic and to be activated by using a button! The safety instructions in chapter 2�4 must be observed! For focal adjustment loosen the shown socket screw (hexagon socket screw DIN 916) with a wrench (DIN 911) and shift the internal body of the tube towards...
Page 14 Operating instructions CellaTemp PK xx BF 8 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 15 Operating instructions CellaTemp PK xx BF 9 Setup 9.1 Emissivity The pyrometer uses the intensity of infrared radiation for non-contact temperature measurements� It is necessary to configure the pyrometer to the respective emissivity coefficient of the measuring object to obtain exact measuring results (→...
Page 16 Operating instructions CellaTemp PK xx BF 10 Shielding and Grounding 10.1 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 17 Operating instructions CellaTemp PK xx BF 11 Operating controls and display The pyrometer PK features a 4-digit display, 3 control keys and 3 LEDs� The instrument‘s display panel shows the measured temperature� 8888 1 to 3: Indicator-LEDs LED 1 = Switching state of the switching output OUT1 LED 2 = Switching state of the switching output OUT2 LED 3 = Info/Diagnosis 4: Control key [Enter]...
Page 18 Operating instructions CellaTemp PK xx BF 11.1 Processing of measuring signals The pyrometer disposes of an IO-Link interface� The generated three output signals correspond to the parameterization: • Out 1: Switching output/ IO-Link ■ Switch signal: threshold value temperature / status signal •...
Page 19 Operating instructions CellaTemp PK xx BF 11.3 Switching threshold OUT 1 OUT1 changes its switching status when the configured upper or lower thersholds [d1. S P,d1. r P] are exceeded. Source d1. S specifies the signal that is output at OUT1� •...
Page 20 Operating instructions CellaTemp PK xx BF 11.7 Hysteresis function [dr] [dr] [dS] [dS] [dr] [dS] [dS] [dS] [dr] [dS] [dr] [dS] [dS] [dr] [dS] [dr] = temperature rP = reset point = time dS = switch on delay SP = set point dR = switch off delay Temperature Switch signal hno...
Page 21 Operating instructions CellaTemp PK xx BF 11.8 Window function [dS] [dr] [dS] [dr] [dr] [dS] [dr] [dr] [dS] [dr] [dS] [dr] [dS] [dS] = temperature rP = lower limit value = time dS = switch on delay SP = upper limit value dR = switch off delay Temperature Switch signal Fno...
Page 22 Operating instructions CellaTemp PK xx BF 11.9 Switching output OUT 2 OUT2 changes its switching state according to the adjusted function� The functions and parameters are the same as OUT 1� 11.10 Damping function When the target object‘s temperature is erratic, the damping function smoothens these temperature fluctuations in order to stabilize the measuring signal�...
Page 23 Operating instructions CellaTemp PK xx BF 11.11 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� In this mode, the displayed temperature reading will not drop between targeted objects�...
Page 24 Operating instructions CellaTemp PK xx BF 11.12 Temperature correction for process-specific influences If required, the measured temperature can be corrected using a freely adjustable table� Between 1 and 5 grid points (X/Y pairs) can be entered, which are then linearly interpolated in the measured value processing (see illustration)� For values smaller than the 1st interpolation point or larger than the last interpolation point, the first/last segment is extrapolated linearly internally�...
Page 25 Operating instructions CellaTemp PK xx BF 12 Smart functions Frequent changes in high ambient temperatures can affect electronic components and accelerate their aging processes� Such aging influences the calibration of pyrometers� The vitality indicator and the operating hours counter are available for monitoring and warning purposes�...
Page 26 The IODDs required for configuring the IO-Link device as well as detailed information on process data set-up, diagnostic functions and parameter indexes are available in the download area at www�keller-its�com� A 3-wire cable port Class A (Type A) must be used for IO-Link operation�...
Page 27 Operating instructions CellaTemp PK xx BF 14 Menu 14.1 Analogue output Ao Adjustment 8888 not possible when key lock Display is active. Ao . S Ao .Fn 4-20 4-20 Ao .SP 0 .0 0 .0 Ao .EP 1000 1000...
Page 28 Operating instructions CellaTemp PK xx BF 14.2 Switching output OUT 1 Adjustment 8888 not possible when key lock Display is active. dI . s dI .Fn dI .SP dI .rP dI .dS 0 .0 0 .0 dI .dr 0 .0 0 .0...
Page 29 Operating instructions CellaTemp PK xx BF 14.3 Switching output OUT 2 Adjustment 8888 not possible when key lock Display is active. d2 . s d2 .Fn d2 .SP d2 .rP d2 .dS 0 .0 0 .0 d2 .dr 0 .0 0 .0...
Page 30 Operating instructions CellaTemp PK xx BF 14.4 Spectral channel Adjustment 8888 not possible when key lock Display is active. S .EPS 100 .0 100 .0 100 .0 S .tAU 100 .0 S .cnt S .Lin 0 .0 S .FiL 0 .0 S .MEM S .dAP 0 .0...
Page 31 Operating instructions CellaTemp PK xx BF 14.5 Advanced Features Adjustment 8888 not possible when key lock Display is active. diA6 STAT . diSP Unit t.SiN rES . t.A . 25 .0...
Page 32 Operating instructions CellaTemp PK xx BF 15 Menu explanation 15.1 Analogue output Parameter Function Comments Source selection Temperature Lambda 1 Ao . S Analogue output 0 – 20 mA Analogue output Ao . F n 0/4 – 20 mA 4 – 20 mA Analogue output Analogue output Analogue start value for scaling Ao .
Page 33 Operating instructions CellaTemp PK xx BF 15.2 Digital output 1 (dI) Parameter Function Comments Temperature Lambda 1 OUT 1 Source dI . S Internal temperature t. A . hno Hysteresis switching function (output active when the limit value is exceeded) hnc Hysteresis switching function OUT 1 Switching function (output inverted)
Page 34 Operating instructions CellaTemp PK xx BF 15.3 Digital output 2 (d2) Parameter Function Comments Temperature Lambda 1 OUT 2 Source d2 . S Internal temperature t. A . hno Hysteresis switching function (output active when the limit value is exceeded) hnc Hysteresis switching function OUT 2 Switching function (output inverted)
Page 35 Operating instructions CellaTemp PK xx BF 15.4 Spectral channel (S) Parameter Function Comments Correction of the radiation properties Emissivity S . E PS of the measured object (10��110%) Correction of the transmission factor Transmission factor S . T AU 10 … 100% Post-linearisation via user-configurable, S .
Page 36 Operating instructions CellaTemp PK xx BF 15.5 Advanced Features (EF) Parameter Function Comments STAT Diagnostic messages with consecutive number* (if none are present, 4 dashes are shown in the display) uitA Vitality indicator qi. P . U . Undervoltage diagnosis Diagnosis DIA6 qi.
Page 37 Operating instructions CellaTemp PK xx BF 16 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]. 16.1 Setting parameters – general information Select parameter ►...
Page 38 Operating instructions CellaTemp PK xx BF Confirm parameter value ► Press [Enter] 10 .0 > The display indicates the parameter� The new value has been saved and will take effect Ao .SP > the parameter is discarded after 30 seconds Adjust additional parameters ►...
Page 39 Operating instructions CellaTemp PK xx BF 17 Error indications The OUT 1/2 LED flashes with 4 Hz� The Overload output display shows "SC" at 2 Hz� Display otand the process value alternate at Overtemperature 0�5 Hz� The switching outputs are deactivated in the event of extreme overtemperature�...
Page 40 Operating instructions CellaTemp PK xx BF 18.2 Simulate a desired temperature ► [t. S iM] Select extended functions [EF] ► Press [MODE] > The display shows the previously set temperature ► Press the ˄ key for 2 s > Temperature flashes 3 times ►...
Page 41 Operating instructions CellaTemp PK xx BF 19 Diagnostics 19.1 Diagnostic messages (pyrometer display) If diagnostic messages occur, these are signalled with the Info LED and displayed under the STAT parameter (see table Extended function)� Message Note Display Temperature simulation Measuring temperature is being SIM .
Page 42 Operating instructions CellaTemp PK xx BF Parameter Note Vitality indicator 100 % after 0 % decreasing Percentage of operating hours with undervoltage QIPSU [0…100 %]* since the last service reset Percentage of operating hours with overvoltage QIPSO [0…100 %]* since the last service reset Internal temperature Internal temperature distribution since the last histogram*...
Page 43 Operating instructions CellaTemp PK xx BF 20 Maintenace 20.1 Cleaning the pyrometer lens A soiled lens leads to wrong display of the measured value� ► Check the lens regularly and clean it, if required. • Remove dust by blowing or with a soft brush� •...
Page 44 To calculate the measuring field curve and the size of the measuring field at the distance relevant to you, please use our measuring field calculator, which you can find here: www�keller�de/en/its/tools/measuring-field-calculator Alternatively, you can simply scan the CR code op- posite�...
Page 45 Operating instructions CellaTemp PK xx BF 22 Device-specific technical data PK 11 BF 1 / PK 18 BF 1 / PK 18 BF 2 Temperature range 0 - 1000 °C Sensor Thermopile Spectral sensitivity 8 - 14 µm Focus distance 300 mm Target spot diameter 11 mm...
Page 46 Operating instructions CellaTemp PK xx BF PK 12 BF 1 Temperature range -30 - 300 °C Sensor Thermopile Spectral sensitivity 8 - 14 µm Focus distance 300 mm Target spot diameter 18 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 47 Operating instructions CellaTemp PK xx BF PK 21 BF 1 Temperature range 250 - 1600 °C Sensor InGaAs Spectral sensitivity 1�0 - 1�7 µm Focus distance 1500 mm Target spot diameter 9�7 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 48 Operating instructions CellaTemp PK xx BF PK 25 BF 1 Temperature range 75 - 650 °C Sensor ext� InGaAs Spectral sensitivity 1�8 - 2�4 µm Focus distance 300 mm Target spot diameter 7 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 49 Operating instructions CellaTemp PK xx BF PK 29 BF 1 Temperature range 150 - 800 °C Sensor ext� InGaAs Spectral sensitivity 1�8 - 2�2 µm Focus distance 300 mm Target spot diameter 7 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 50 Operating instructions CellaTemp PK xx BF PK 35 BF 1 Temperature range 450 - 1400 °C Sensor AlGaAs Spectral sensitivity 0�82 - 0�93 µm Focus distance 300 mm Target spot diameter 6�5 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 51 Operating instructions CellaTemp PK xx BF PK 42 BF 1 Temperature range 500 - 2500 °C Sensor Thermopile Spectral sensitivity 4�6 - 4�9 µm Focus distance 400 mm Target spot diameter 7 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 52 Operating instructions CellaTemp PK xx BF PK 52 BF 1 Temperature range 500 - 2000 °C Sensor Thermopile Spectral sensitivity 3�8 - 4�0 µm Focus distance 400 mm Target spot diameter 7 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 53 Operating instructions CellaTemp PK xx BF PKF 26 BF 1 Temperature range 300 - 1600 °C Sensor InGaAs Spectral sensitivity 1�0 - 1�7 µm Focus distance 200 mm ... ∞ (adjustable) Distance ratio 180:1 (measuring head PA 41.01) Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range...
Page 54 Operating instructions CellaTemp PK xx BF PKF 26 BF 3 Temperature range 300 - 1600 °C Sensor InGaAs Spectral sensitivity 1�0 - 1�7 µm Focus distance 120 mm ... ∞ (adjustable) Distance ratio 100:1 (measuring head PA 41.05) Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range...
Page 55 Operating instructions CellaTemp PK xx BF PKF 36 BF 1 Temperature range 550 - 2500 °C Sensor Spectral sensitivity 0�78 - 1�06 µm Focus distance 200 mm ... ∞ (adjustable) Distance ratio 190:1 (measuring head PA 41.01) Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�2 K + 0�03 % of selected range...
Page 56 Operating instructions CellaTemp PK xx BF PKF 36 BF 3 Temperature range 550 - 2500 °C Sensor Spectral sensitivity 0�78 - 1�06 µm Focus distance 120 mm ... ∞ (adjustable) Distance ratio 100:1 (measuring head PA 41.05) Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�2 K + 0�03 % of selected range...
Page 57 Operating instructions CellaTemp PK xx BF PKL 11 BF 1 Temperature range 0 - 1000 °C Sensor Thermopile Spectral sensitivity 8 - 14 µm Focus distance 295 mm Target spot diameter 9 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 58 Operating instructions CellaTemp PK xx BF PKL 28 BF 1 Temperature range 250 - 1600 °C Sensor InGaAs Spectral sensitivity 1�0 - 1�7 µm Focus distance 210 mm Target spot diameter 1�4 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 59 Operating instructions CellaTemp PK xx BF PKL 29 BF 1 Temperature range 180 - 1200 °C Sensor ext� InGaAs Spectral sensitivity 1�8 - 2�2 µm Focus distance 290 mm Target spot diameter 6�2 mm Analogue output OUT2 0(4) - 20 mA linear Resolution current output 0�1 K + 0�005 % of selected range Resolution temp�...
Page 60 The default settings can be found in the descriptions of the IODD� You can find them on the respective device pages on our homepage www�keller�de/en/its/pyrometer 25 Copyright The licence information of the Open Source libraries used can be found in the media center on our homepage www�keller�de/en/its...
Page 62 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� © 2024 KELLER HCW GmbH Carl-Keller-Straße 2-10 D-49479 Ibbenbüren-Laggenbeck Germany www�keller�de/its...

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