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Pyrometer CellaCombustion PK 74

The CellaCombustion PK 74 carries out the measurement at a specific wavelength at which hot, carbonaceous gases have a high optical density and thus good radiative properties. The infrared thermometer is used to measure the flue gas temperature in gas-fired boilers and small combustion systems. The

Pyrometer CellaCombustion PK 74

Article description



The CellaCombustion PK 74 carries out the measurement at a specific wavelength at which hot, carbonaceous gases have a high optical density and thus good radiative properties. The infrared thermometer is used to measure the flue gas temperature in gas-fired boilers and small combustion systems. The new generation of the CellaTemp® PK pyrometer series is equipped with a smart function, the vitality indicator.

This is a self-monitoring, analysis and reporting technology (SMART), i.e. a function for self-monitoring, analysis and status reporting. The vitality monitor continuously records all relevant operating data. As part of preventive maintenance, this enables the pyrometer to autonomously signal the optimum time for a service check and calibration, depending on the operating conditions.

Special features:
  • Measuring range 250 to 1,700 °C
  • small/compact design
  • switching output universally configurable
  • high optical resolution due to precision lenses
  • IO-Link interface
  • all parameters can be set via pushbutton on the sensor or via interface from the plant control system
  • 2 x switching outputs PNP open collector
  • very simple mounting via M30 central thread
  • large and bright LED display
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Application Solution for combution plants

Pyrometer CellaCombustion PK 74
Properties
Version
Measuring range
250 - 1700 °C
Focus distance
0,4 m
Your selection will affect other settings
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Version CellaCombustion PK 74 BF 1 
Measuring range 250 - 1700 °C 
Target size 7 mm 
Focus distance 0,4 m 
Shape of the measuring field round 
Measuring principle one-colour 

Technical Data Downloads Measuring field calculator Accessories Emissivity calculator Application request IO-Link IODD IO-Link Manufacturer explanation

Pyrometer CellaCombustion PK 74

Technical Data

Measurement parameters

Measuring range 250 - 1700 °C
Sensor Thermopile
Spectral range CO2 range
Response time t90 ≤ 60 ms
Measurement uncertainty 1 % of temp. reading [°C]
Repeatability 4 K
Temperature coefficient 0.04 %/K
Resolution current output 0.1 K + 0.005 % of selected measuring span
Resolution interface 0.1 K
Resolution display 1 K

Electrical parameters

Analog output 0(4) - 20 mA linear, switchable, scalable
Resistance ≤ 500 Ω
Switching output 2 x PNP Open Collector 24 V DC, 2 x 150 mA max.
Test input 10 - 34 V DC (acc. to IEC 61131-2)
Interface IO-Link V1.1.3
Power supply 18 - 32 V DC
Current consumption ≤ 50 mA at 24 V DC

Features

Display 4-digit LED display red, digit-height 8 mm
Status display 3 x LED
Control elements 3 buttons

General parameters

Connection M12 thread 5-pin connection (A-coding)
Ambient temperature 0 - 65 °C
Storage temperature -20 - +80 °C
Permissible humidity 95 % r.H. max. (non-condensing)
Dimension Ø 30 x 210 mm (without plug)
Housing Stainless steel V2A (1.4305)
Protection class IP 65 acc. to DIN 40050
Weight approx. 0.4 kg

Adjustable parameters

Parameters Analog output 0/4 - 20 mA
Scaling of the analogue output
Emissivity via quick adjustment
Transmission of the protective glass
Damping time constant
Hold time of the maximum value memory
Operating mode, source and switching point, switch-on and switch-off delay of the switching contacts
Temperature correction for process-specific influences using interpolation points (X/Y pairs)
Vitality indicator
Service parameters
Reset to factory setting
Key lock
Anzeige der Temperatur oder "run" im Display
Temperature unit °C/°F
Simulation of temperature

Functions

Overtemperature signal Signal display at an internal temperature > 75 °C
Test function via button or test input
Service function Simulation of a measured value
Diagnostic function Indicates in case of reverse polarity, overload and wrong supply voltage
Reverse polarity protection for power supply, analogue output and switching output

Scope of delivery

Scope of delivery Infrared thermometers CellaCombustion PK
Manual (short)
2 fixing nuts

Software

Software SW 50

Pyrometer CellaCombustion PK 74

Emissivity calculator

The correct emissivity to be set on the pyrometer is calculated from the measured value displayed on the pyrometer, the true object temperature, the emissivity preset on the pyrometer and the ambient temperature (necessary for some types).
From the true object temperature, the emissivity of the measurement object, the emissivity set on the pyrometer and the ambient temperature (required for types), the measured value calculated by the pyrometer is displayed.
Pyrometer
Quotient
  • Two-colour mode
  • One-colour 1
  • One-colour 2
Preset emissivity
Emissivity ratio to be set
Ambient temperature
Object temperature
Measured value of the pyrometer
Pyrometer
Quotient
  • Two-colour mode
  • One-colour 1
  • One-colour 2
Preset emissivity
Measured value of the pyrometer
Ambient temperature
Object temperature
Emissivity ratio to be set

Pyrometer CellaCombustion PK 74

Downloads

Brochure CellaTemp PK PKF PKL
en
Brochure Flyer IO-Link
en
Application report CellaCombustion
en
Manual CellaCombustion PK BF IO-Link
en
Manual CellaCombustion PK
en
Quick guide CellaTemp PKxxBF IO-Link
en
Quick guide CellaTemp PKxx IO-Link
en
Declaration of conformity Declaration from Conformity PKxy
en
UKCA Declaration from Conformity PKxy
en
EAC Deklaration PK-PA-PT
en

Pyrometer CellaCombustion PK 74

Accessories

Pyrometer CellaCombustion PK 74

IO-Link IODD

Type Datei Dateigröße
IODD PK74AF1_20220531.zip 467 KB Download
IODD PK74BF1_20230912.zip 2221 KB Download

Pyrometer CellaCombustion PK 74

IO-Link Manufacturer explanation

Type Datei Dateigröße
MC PK 74 BF1_202404_en.pdf 70 KB Download

Pyrometer CellaCombustion PK 74

Measuring field calculator

Pyrometer
  • PK 74 BF 1 (0,4 m)
PK 74 BF 1 (0,4 m)
Graphic length
mm
Measuring distance (mm)03264961281601922242562883203523847.00 mm
Measuring distanceMeasuring field diameter
0.00 mm18.20 mm
16.00 mm17.75 mm
32.00 mm17.30 mm
48.00 mm16.86 mm
64.00 mm16.41 mm
80.00 mm15.96 mm
96.00 mm15.51 mm
112.00 mm15.06 mm
128.00 mm14.62 mm
144.00 mm14.17 mm
160.00 mm13.72 mm
176.00 mm13.27 mm
192.00 mm12.82 mm
208.00 mm12.38 mm
224.00 mm11.93 mm
240.00 mm11.48 mm
256.00 mm11.03 mm
272.00 mm10.58 mm
288.00 mm10.14 mm
304.00 mm9.69 mm
320.00 mm9.24 mm
336.00 mm8.79 mm
352.00 mm8.34 mm
368.00 mm7.90 mm
384.00 mm7.45 mm
400.00 mm7.00 mm