Measuring system PK 21-K004

Measuring range	250 - 1600 °C
Sensor	Photodiode
Spectral range	1.0 - 1.7 µm
Response time t90	≤ 2 ms (T > 600 °C)
Measurement uncertainty	0.3 % 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

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

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

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

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

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