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Pyrometer CellaTemp PK 31

Article description

The CellaTemp® PK 31 is a pyrometer for fast, non-contact and wear-free temperature measurement from a safe distance in the temperature range between 500 and 2,500 °C. 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 control system -- 2 x switching outputs PNP open collector -- very simple mounting via M30 central thread -- large and bright LED display
Pyrometer CellaTemp PK 31
Properties
Version
Measuring range
500 - 2500 °C
Focal range
1,5 m
Your selection will impact other settings.
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Version CellaTemp PK 31 BF 1 
Measuring range 500 - 2500 °C 
Measuring field 8 mm 
Focal range 1,5 m 
Shape of the measuring field round 
Measuring principle one-color 

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

Pyrometer CellaTemp PK 31

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 ≤ 50 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
Display of the temperature or “run” in the display
Temperature unit °C/°F
Simulation of temperature

Functions

Overtemperature signal Signal display at an internal temperature > 75 °C
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

Pyrometer CellaTemp PK 31

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 PK 31

Downloads

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

Pyrometer CellaTemp PK 31

Accessories

Pyrometer CellaTemp PK 31

IO-Link IODD

Type Datei Dateigröße
IODD PK31AF1_20221222.zip 383 KB Download

Pyrometer CellaTemp PK 31

IO-Link Manufacturer declaration

Type Datei Dateigröße
MC PK 31 AF 1_202302_en.pdf 100 KB Download

Pyrometer CellaTemp PK 31

Measurement field calculator

Pyrometer
  • PK 31 AF 1 (1,5 m)
PK 31 AF 1 (1,5 m)
Supplementary lens
  • none
  • PK 21/E (0,5 m)
none
Length of the graph
mm
Measuring distance (mm)012024036048060072084096010801200132014408.00 mm
Measuring distanceMeasuring field diameter
0.00 mm15.00 mm
60.00 mm14.72 mm
120.00 mm14.44 mm
180.00 mm14.16 mm
240.00 mm13.88 mm
300.00 mm13.60 mm
360.00 mm13.32 mm
420.00 mm13.04 mm
480.00 mm12.76 mm
540.00 mm12.48 mm
600.00 mm12.20 mm
660.00 mm11.92 mm
720.00 mm11.64 mm
780.00 mm11.36 mm
840.00 mm11.08 mm
900.00 mm10.80 mm
960.00 mm10.52 mm
1,020.00 mm10.24 mm
1,080.00 mm9.96 mm
1,140.00 mm9.68 mm
1,200.00 mm9.40 mm
1,260.00 mm9.12 mm
1,320.00 mm8.84 mm
1,380.00 mm8.56 mm
1,440.00 mm8.28 mm
1,500.00 mm8.00 mm
Pyrometer LLC – Pyrometer Instrument Company

Attn: Service Department
70 Weber Avenue
Ewing, NJ 08638 USA
Telephone: 609-443-5522

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