Pyrometer CellaTemp PX 21

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The CellaTemp® PX 21 is a digital pyrometer with a fibre optic cable for measuring temperatures between 250 and 2,000 °C. The pyrometer is equipped with a separate optical measuring head and a fibre optic cable. The fibre optic cable and measuring head are insensitive to interference from electromagnetic radiation and can be used in ambient temperatures up to 250 °C without cooling. The variant with separate optical measuring head has advantages especially in confined spaces.

Special features:

Measuring range 250 to 2,000 °C
modern IO-Link interface
focusable interchangeable lenses for exact adjustment of the measuring distance
broadband anti-reflective precision lenses
LED display can be read from a great distance
all parameters and functions adjustable via keyboard
test current output for the diagnostic function
1 analogue output and 2 switching outputs
source freely configurable
ATD function for automatic temperature detection
measuring head and fibre optic cable heat resistant up to 250 °C

Pyrometer CellaTemp PX 21

Measuring range		250 - 2000 °C 250 - 2000 °C
Focus distance		0,033 - 0,045 m 0,033 - 0,045 m 0,12 m - ∞ 0,2 m - ∞
Sighting option		Laser pilot light Laser pilot light

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Version
Sighting option		Laser pilot light

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More information about IO-Link:

Version	CellaTemp PX 21 AF 11
Version	CellaTemp PX 21 AF 21
Version	CellaTemp PX 21 AF 22
Measuring range	250 - 2000 °C
Measuring range	250 - 2000 °C
Measuring range	250 - 2000 °C
Focus distance	0,2 m - ∞
Focus distance	0,12 m - ∞
Focus distance	0,033 - 0,045 m
Shape of the measuring field	round
Distance ratio	180 : 1
Distance ratio	100 : 1
Distance ratio	50 : 1
Measuring head	PA 41.01
Measuring head	PA 41.05
Measuring head	PZ 41.18
Measuring principle	one-colour
Sighting option	Laser pilot light

Measuring range	250 - 2000 °C
Sensor	Photo diode
Spectral range	1.1 - 1.7 µm
Response time t98	≤ 50 ms (T > 300 °C) ≤ 2 ms (T > 800 °C)
Measurement uncertainty	0.75 % of temp. reading [°C], min. 4 K
Repeatability	2 K
Temperature coefficient	0.25 K/K (T < 500 °C) 0.05 %/K (T > 500 °C)
Resolution current output	0.2 K + 0.03 % of selected range
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 Open Collector 24 V DC, ≤ 150 mA
Interface	IO-Link
Power supply	24 V DC +10 % / -20 %
Current consumption	≤ 175 mA for 24 V DC

Sighting option	Laser pilot light
Display	4-digit LED display red, digit-height 8 mm
Status display	4 x LED
Control elements	3 buttons

Connection	M12 thread 5-pin connection
Ambient temperature	Electronic: 0 - 65 °C Measuring head: 250 °C
Storage temperature	-20 - +80 °C
Permissible humidity	95 % r.H. max. (non-condensing)
Dimension	Electronic: Ø 65 mm x 187 mm Measuring head: depending on the type
Housing	Stainless steel V2A (1.4305)
Protection class	IP 65 acc. to DIN 40050
Weight	approx. 0.9 kg

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Pyrometer CellaTemp PX 21

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Overtemperature signal	Signal display at an internal temperature > 75 °C
Service function	Simulation of a measured value or a current signal

Measuring distance	Measuring field diameter
0.00 mm	21.50 mm
8.00 mm	20.68 mm
16.00 mm	19.87 mm
24.00 mm	19.05 mm
32.00 mm	18.24 mm
40.00 mm	17.42 mm
48.00 mm	16.61 mm
56.00 mm	15.79 mm
64.00 mm	14.98 mm
72.00 mm	14.16 mm
80.00 mm	13.34 mm
88.00 mm	12.53 mm
96.00 mm	11.71 mm
104.00 mm	10.90 mm
112.00 mm	10.08 mm
120.00 mm	9.27 mm
128.00 mm	8.45 mm
136.00 mm	7.64 mm
144.00 mm	6.82 mm
152.00 mm	6.00 mm
160.00 mm	5.19 mm
168.00 mm	4.37 mm
176.00 mm	3.56 mm
184.00 mm	2.74 mm
192.00 mm	1.93 mm
200.00 mm	1.11 mm

Pyrometer CellaTemp PX 21

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