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Pyrometer
CellaTemp PR xx
Ident-Nr.: 1110968 11/2021
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Summary of Contents for Keller CellaTemp PR11

  • Page 1 Pyrometer CellaTemp PR xx Ident-Nr.: 1110968 11/2021...
  • Page 2: Table Of Contents

    Operating instructions CellaTemp PR xx Content 11 General ��������������������������������������������������������������������������������������������������������������4 1�1 Information about this manual ���������������������������������������������������������������������4 1�2 Explanation of symbols �������������������������������������������������������������������������������4 1�3 Liability and Warranty ����������������������������������������������������������������������������������4 1�4 Copyright �����������������������������������������������������������������������������������������������������5 12 Safety �����������������������������������������������������������������������������������������������������������������5 2�1 Intended use �����������������������������������������������������������������������������������������������5 2�2 User‘s responsibility ������������������������������������������������������������������������������������5 2�3 Safety requirements ������������������������������������������������������������������������������������5 2�4 Electromagnetic Compatibility ���������������������������������������������������������������������6 13 General Description �������������������������������������������������������������������������������������������6 14 Models ���������������������������������������������������������������������������������������������������������������7...
  • Page 3 Operating instructions CellaTemp PR xx 11 Operation ���������������������������������������������������������������������������������������������������������16 11�1 Ambient temperature �������������������������������������������������������������������������������16 11�2 Device status �������������������������������������������������������������������������������������������16 11�3 Error codes / events ��������������������������������������������������������������������������������17 12 Theory of Non-Contact Temperature Measurements���������������������������������������18 12�1 Advantages fo Non-Contact Temperature Measurement ������������������������18 12�2 Measurements an Black Bodies (Cavity Radiators) ��������������������������������18 12�3 Measurements of Real Radiators �����������������������������������������������������������19 12�4 Measurements errors ������������������������������������������������������������������������������19 13 Ways to determine emissivity ��������������������������������������������������������������������������20...
  • Page 4: General

    Operating instructions CellaTemp PR xx 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 5: 1�4 Copyright

    Operating instructions CellaTemp PR xx 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 6: 2�4 Electromagnetic Compatibility

    Operating instructions CellaTemp PR xx 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 7: Function

    Operating instructions CellaTemp PR xx 5 Function The pyrometer measures the temperature optically� The infrared sensor is equipped with an analogue output and an open collector output� The instrument‘s display panel shows the measured temperature� • It generates 2 output signals according to the configured function: OUT1 Switching threshold OUT2...
  • Page 8: 5�1 Switching Threshold

    Operating instructions CellaTemp PR xx 5.3 Upper threshold delay Once the sensor has detected a temperature which exceeds the switching threshold [SP_ FH1] the time delay [dS1] starts running� When this delay period has elapsed, the output OUT1 activates switching� This status is sustained until the lower threshold [rP_FL1] is violated�...
  • Page 9: 5�4 Lower Threshold Delay

    Operating instructions CellaTemp PR xx 5.6 Internal signal processing Temperature ↓ Switch point → no / nc → Lower- / upper threshold delay ↓ Switching 5.7 Analogue output The pyrometer is equipped with an analogue output OUT2 0/4���20 mA� The maximum load is 500 Ω.
  • Page 10 The IO Device Description (IODD) required for configuring the IO-Link device as well as detailed information on process data set-up, diagnostic functions and parameter addresses are available in the download area at www�keller�de/its� A 3-wire cable port Class A (Type A) must be used for IO-Link operation�...
  • Page 11: 5�9 Io-Link

    Operating instructions CellaTemp PR xx 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 12: Shielding And Grounding

    Operating instructions CellaTemp PR xx 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 13: Parameter Explanation

    Operating instructions CellaTemp PR xx 8 Parameter explanation The description of the parameters can be found in the data sheet� The data sheet is included in the IOOD files (zip file)� The IODD files can be found on our homepage under the respective pyrometer type�...
  • Page 14: Parameterizing

    Operating instructions CellaTemp PR xx 10 Parameterizing Parameters can be set via the IO-Link interface before installation and commissioning of the unit or during ongoing operation� Changing the parameters during operation will affect the functioning of the system� Before parameters are changed, it must be ensured that no malfunction occurs in the system�...
  • Page 15: 10�3 Reset All Parameters To Factory Settings

    Operating instructions CellaTemp PR xx the displayed temperature reading will not drop between targeted objects� The peak temperature reading will be held for a preset time period� The hold time [PhLd] can be set from 0�1 to 999�9 sec� The maximum tempera- ture sampled during the defined hold time will be saved�...
  • Page 16: Operation

    Operating instructions CellaTemp PR xx 11 Operation After connecting the supply voltage the pyrometer will be automatically initialized and will perform a self-diagnosis� After approx� 0�5 sec the sensor is ready to operate and the instrument runs the signal processing� 11.1 Ambient temperature The maximum permissible ambient operating temperature for the pyrometer is 65 °C�...
  • Page 17: 11�3 Error Codes / Events

    Operating instructions CellaTemp PR xx 11.3 Error codes / events Code Name Note 0x1800 Warning EEPROM memory error Memory error occurred - data restored 0x1810 Warning Calibration data invalid Calibration data not complete - Perform calibration procedure 0x4210 Warning Internal temperature Maximal zulässige exceeded Innentemperatur...
  • Page 18: Theory Of Non-Contact Temperature Measurements

    Operating instructions CellaTemp PR xx 12 Theory of optical 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 19: 12�3 Measurements Of Real Radiators

    Operating instructions CellaTemp PR xx 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 20: Ways To Determine Emissivity

    Operating instructions CellaTemp PR xx 13 Ways to determine emissivity Technical literature or operating manuals often contain data on the emissivity of various materials� This information should be used with caution, however� It is important to know for which temperature and which wavelength the emissivity value is applicable�...
  • Page 21 Operating instructions CellaTemp PR xx Model PR 11 / PR 18 Bread in baking oven Ferrous oxide 85���89 Enamel 84���88 Earth 92���96 Paint and varnish, bright Paint and varnish, pale Gypsum 80���90 Glass 85���95 Graphite Rubber, black Skin, human Wood 80���90 Radiator 80���85...
  • Page 22 Operating instructions CellaTemp PR xx Model PR 21 Wavelength λ 1.0 - 1.7 μm „Black body“ Aluminium, polished Aluminium, filed smooth Asbestos cement Bronze, polished Bronze, filed smooth Chromium, polished Iron, heavily scaled Iron, rolling skin Iron, liquid Gold and silver Graphite, filed smooth Copper, oxidised Brass, oxidised...
  • Page 23: Maintenance

    Old electrical and electronic devices frequently still contain valua- ble 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 24: Accessories

    Operating instructions CellaTemp PR xx 16 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 air purge PS 01/A 560951 air purge PS 01/A AF 2 561553 Oscillating mirror PZ 20/X AF 5...
  • Page 25: General Technical Data

    Operating instructions CellaTemp PR xx 17 General technical data Load max. 500 Ω Switching output OUT1 Open Collector Ausgänge 24 V, ≤ 150 mA Schaltpunkt [°C]/ Rückschaltpunkt [°C], Hysterese ≥ 2 K, Ein-/Ausschaltverzögerung, NC/ NO Ambient temperature 0 - 65 °C IO-Link revision V1�1, downward compatible to V1�01 SIO mode...
  • Page 26: Device-Specific Technical Data And Field Of View Diagrams

    Operating instructions CellaTemp PR xx 18 Device-specific technical data and field of view diagrams PR 11 AF 1 / PR 18 AF 1* Temperature range 0 - 1000 °C Sensor Thermopile Spectral sensitivity 8 - 14 µm Focus distance 300 mm Target of spot diameter 11 mm Analogue output OUT2...
  • Page 27 Operating instructions CellaTemp PR xx PR 21 AF 1 Temperature range 250 - 1600 °C Sensor InGaAs Spectral sensitivity 1�0 - 1�7 µm Focus distance 1500 mm Target of spot diameter 10 mm Analogue output OUT2 0(4) - 20 mA linear, switchable, scalable (≥ 50 K) Resolution current output 0�2 K + 0�03 % of selected range Resolution temp�...
  • Page 28: Factory Settings

    19 Factory settings Die Werkseinstellungen finden Sie in der IOOD-Beschreibung� Die IODD-Beschrei- bung finden sie auf unsere Homepage unter dem jeweiligen Pyrometer-Typ� More information at www�keller�de/its 20 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,...
  • Page 30 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� © 2021 KELLER HCW GmbH Carl-Keller-Straße 2-10 D-49479 Ibbenbüren-Laggenbeck Germany www�keller�de/its...

This manual is also suitable for:

Cellatemp pr18Cellatemp pr211110968

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