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Pyrometer CellaTemp PKL 38

The CellaTemp® PKL 38 has an integrated LED pilot light. Especially for small measuring objects from Ø1.2 mm, the pilot light is an indispensable aid for aligning the infrared thermometer with the hot zone and setting it to the correct focal distance. The LED pilot light is illuminated continuously

Pyrometer CellaTemp PKL 38

Article description



The CellaTemp® PKL 38 has an integrated LED pilot light. Especially for small measuring objects from Ø1.2 mm, the pilot light is an indispensable aid for aligning the infrared thermometer with the hot zone and setting it to the correct focal distance. The LED pilot light is illuminated continuously and offers a high degree of operational safety due to the permanent control option. 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 500 to 2,500 °C
  • 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 system control
  • 2 x switching outputs PNP open collector
  • very simple mounting via M30 central thread
  • large and bright LED display
  • LED pilot light is permanently on as well as parallax-free and safe
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Improved & Smart CellaTemp PK pyrometers

Pyrometer CellaTemp PKL 38
Properties
Version
Measuring range
500 - 2500 °C
Focal distance
0,21 m
LED pilot light
Your selection will impact other settings.
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Version CellaTemp PKL 38 BF 1 
Version CellaTemp PKL 38 BF 2 
Measuring range 500 - 2500 °C 
Measuring field 1,2 mm 
Measuring field 5,6 mm 
Focal distance 0,21 m 
Focal distance 1,0 m 
Shape of the measuring field round 
Measuring principle one-color 
Sighting device LED pilot light 

Technical Data Downloads Measurement field calculator Accessories Emissivity calculator Application request IO-Link IODD IO-Link Manufacturer declaration

Pyrometer CellaTemp PKL 38

Technical Data

Measurement parameters

Measuring range 500 - 2500 °C
Sensor Photodiode
Spectral range 0.78 - 1.06 µm
Response time t90 ≤ 2 ms (T > 900 °C)
Measurement uncertainty 0.2 % of temp. reading [°C] plus 2.5 K
Repeatability 1 K
Temperature coefficient 0.07 %/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 ≤ 75 mA at 24 V DC

Equipment

Display 4 x 7 segments LED red, digit height 8 mm
Status display 3 x LED
Operator controls 3 pushbuttons

General parameters

Connection M12 screw connection 5-pin (A coded)
Ambient temperature 0 - 65 °C
Storage temperature -20 - +80 °C
Permissible air humidity 95 % RH max. (non-condensing)
Dimension Ø 30 x 210 mm (without plug)
Housing material Stainless steel V2A (1.4305)
Type of protection 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 level of the protective glass
Damping time constant
Holding time of the peak picker
Operating mode, source and switching point, switch-on and switch-off delay of the switching contacts
Temperature correction for process-specific influences by means of interpolation points (X/Y pairs)
Vitality indicator
Service parameter
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 pushbutton or test input
Service function Simulation of a measured value
Diagnostic function Reverse polarity, overload and incorrect supply voltage indication
Reverse polarity protection for power supply, analogue output and switching output

Scope of delivery

Scope of delivery Infrared thermometer CellaTemp PK
Operating manual (short)
2 fastening nuts

Software

Software SW 50

Pyrometer CellaTemp PKL 38

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

Pyrometer CellaTemp PKL 38

Downloads

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

Pyrometer CellaTemp PKL 38

Accessories

Pyrometer CellaTemp PKL 38

IO-Link IODD

Type Datei Dateigröße
IODD PKL38BF1-2_20250922.zip 1157 KB Download
IODD PKL38AF2_20221221.zip 398 KB Download
IODD PKL38AF1_20221221.zip 398 KB Download

Pyrometer CellaTemp PKL 38

IO-Link Manufacturer declaration

Type Datei Dateigröße
MC PKL 38 AF 2_202302_en.pdf 100 KB Download
MC PKL 38 AF 1_202302_en.pdf 100 KB Download
MC PKL 38 BF 1 2_222601_en.pdf 123 KB Download

Pyrometer CellaTemp PKL 38

Measurement field calculator

Pyrometer
  • PKL 38 BF 1 (0,21 m)
  • PKL 38 BF 2 (1,0 m)
PKL 38 BF 1 (0,21 m)
Length of the graph
mm
Measuring distance (mm)08.416.825.233.64250.458.867.275.68492.4100.8109.2117.6126134.4142.8151.2159.6168176.4184.8193.2201.61.20 mm
Measuring distanceMeasuring field diameter
0.00 mm18.20 mm
8.40 mm17.52 mm
16.80 mm16.84 mm
25.20 mm16.16 mm
33.60 mm15.48 mm
42.00 mm14.80 mm
50.40 mm14.12 mm
58.80 mm13.44 mm
67.20 mm12.76 mm
75.60 mm12.08 mm
84.00 mm11.40 mm
92.40 mm10.72 mm
100.80 mm10.04 mm
109.20 mm9.36 mm
117.60 mm8.68 mm
126.00 mm8.00 mm
134.40 mm7.32 mm
142.80 mm6.64 mm
151.20 mm5.96 mm
159.60 mm5.28 mm
168.00 mm4.60 mm
176.40 mm3.92 mm
184.80 mm3.24 mm
193.20 mm2.56 mm
201.60 mm1.88 mm