Pyrometer CellaTemp PK 25

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The CellaTemp® PK 25 is equipped with a special blocking filter. As a result, the measurement is not affected by daylight. The infrared thermometer also reacts much less sensitively to reflective interfering radiation in the environment than conventional devices working at short wavelengths. The CellaTemp® PK 25 is used for a wide variety of applications in the metalworking industry and in particular for measuring the temperature of aluminium and bare metals at low temperatures. Due to the blocking filter, it can also be used for measurements in processes in which diode, Nd:YAG or CO2 lasers are used for heating. The energetically high laser radiation does not influence the measurement. 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 75 to 650 °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 25

Measuring range		75 - 650 °C 75 - 650 °C
Focal range		0,3 m 0,3 m

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Version

BF 1

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Version	CellaTemp PK 25 BF 1
Measuring range	75 - 650 °C
Measuring field	7 mm
Focal range	0,3 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 25

Technical Data

Measurement parameters

Measuring range	75 - 650 °C
Sensor	Photodiode
Spectral range	1,8 - 2,4 μm
Response time t90	≤ 2 ms (T > 200 °C) ≤ 15 ms (T > 125 °C) ≤ 50 ms (T > 100 °C) ≤ 200 ms (T > 75 °C)
Measurement uncertainty	0.3 % of temp. reading [°C] plus 4.0 K
Repeatability	2 K
Temperature coefficient	0.25 K/K (T < 500 °C) 0.05 %/K (T > 500 °C)
Resolution current output	0.1 K + 0.005 % of selected measuring span
Resolution interface	0.1 K
Resolution display	0.1 K < 200 °C 1 K ≥ 200 °C

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

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

Pyrometer CellaTemp PK 25

Downloads

Brochure CellaTemp PK PKF PKL

Brochure Flyer IO-Link

Manual CellaTemp PKx IO-Link

Quick guide CellaTemp PKxx IO-Link

Declaration of conformity Declaration of Conformity PKxy

UKCA Declaration of Conformity PKxy

EAC Deklaration PK-PA-PT

Pyrometer CellaTemp PK 25

IO-Link IODD

Type	Datei	Dateigröße
	IODD PK25AF1_20221222.zip	383 KB	Download

Pyrometer CellaTemp PK 25

IO-Link Manufacturer declaration

Type	Datei	Dateigröße
	MC PK 25 AF 1_202302_en.pdf	100 KB	Download

Pyrometer CellaTemp PK 25

Measurement field calculator

Measuring distance	Measuring field diameter
0.00 mm	21.40 mm
12.00 mm	20.82 mm
24.00 mm	20.25 mm
36.00 mm	19.67 mm
48.00 mm	19.10 mm
60.00 mm	18.52 mm
72.00 mm	17.94 mm
84.00 mm	17.37 mm
96.00 mm	16.79 mm
108.00 mm	16.22 mm
120.00 mm	15.64 mm
132.00 mm	15.06 mm
144.00 mm	14.49 mm
156.00 mm	13.91 mm
168.00 mm	13.34 mm
180.00 mm	12.76 mm
192.00 mm	12.18 mm
204.00 mm	11.61 mm
216.00 mm	11.03 mm
228.00 mm	10.46 mm
240.00 mm	9.88 mm
252.00 mm	9.30 mm
264.00 mm	8.73 mm
276.00 mm	8.15 mm
288.00 mm	7.58 mm
300.00 mm	7.00 mm

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Pyrometer CellaTemp PK 25

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