Pyrometer CellaTemp PA 31

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The CellaTemp® PA 31 is a digital pyrometer with a fibre optic cable for measuring temperatures between 550 and 2,500 °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 550 to 2,500 °C
focusable interchangeable lenses for exact adjustment of the measuring distance
broadband anti-reflective precision lenses
short measuring wavelengths
LED display can be read from a great distance
test current output for the diagnostic function
standard feature: analogue output and USB/RS 485 interface
measuring head and fibre optic cable heat resistant up to 250 °C

Pyrometer CellaTemp PA 31

Measuring range		550 - 2500 °C 550 - 2500 °C 700 - 3000 °C
Focus distance		0,033 - 0,045 m 0,033 - 0,045 m 0,12 m - ∞ 0,2 m - ∞ 0,5 m - ∞
Sighting option		Laser pilot light Laser pilot light

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Sighting option		Laser pilot light

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Version	CellaTemp PA 31 AF 11
Version	CellaTemp PA 31 AF 21
Version	CellaTemp PA 31 AF 22
Version	CellaTemp PA 31 AF 901
Measuring range	550 - 2500 °C
Measuring range	550 - 2500 °C
Measuring range	550 - 2500 °C
Measuring range	700 - 3000 °C
Focus distance	0,2 m - ∞
Focus distance	0,12 m - ∞
Focus distance	0,033 - 0,045 m
Focus distance	0,5 m - ∞
Shape of the measuring field	round
Distance ratio	190 : 1
Distance ratio	100 : 1
Distance ratio	50 : 1
Distance ratio	340 : 1
Measuring head	PA 41.01
Measuring head	PA 41.05
Measuring head	PZ 41.18
Measuring head	PA 41.02
Measuring principle	one-colour
Sighting option	Laser pilot light

Measuring range	550 - 3000 °C in several segments
Sensor	Photo diode
Spectral range	0.78 - 1.06 µm
Response time t98	Measuring range 550 - 2500 °C: ≤ 50 ms (T > 600 °C) ≤ 2 ms (T > 800 °C) Measuring range 700 - 3000 °C: ≤ 50 ms (T > 750 °C) ≤ 2 ms (T > 950 °C)
Measurement uncertainty	0.75 % of temp. reading [°C]
Repeatability	2 K
Temperature coefficient	0.05 %/K
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
Analog input	0 - 10 V
Switching output	2 x Open Collector 24 V DC, ≤ 30 mA
Switching input	2 x to 24 V
Interface	USB
Interface	RS 485
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	2 x LED
Control elements	3 buttons

Connection	M12 thread 8-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 PA 31

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Overtemperature signal	if the internal temperature exceeds 80 °C the analogue output shows a value > 20.5 mA
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	19.86 mm
24.00 mm	19.05 mm
32.00 mm	18.23 mm
40.00 mm	17.41 mm
48.00 mm	16.59 mm
56.00 mm	15.77 mm
64.00 mm	14.96 mm
72.00 mm	14.14 mm
80.00 mm	13.32 mm
88.00 mm	12.50 mm
96.00 mm	11.69 mm
104.00 mm	10.87 mm
112.00 mm	10.05 mm
120.00 mm	9.23 mm
128.00 mm	8.41 mm
136.00 mm	7.60 mm
144.00 mm	6.78 mm
152.00 mm	5.96 mm
160.00 mm	5.14 mm
168.00 mm	4.32 mm
176.00 mm	3.51 mm
184.00 mm	2.69 mm
192.00 mm	1.87 mm
200.00 mm	1.05 mm

Pyrometer CellaTemp PA 31

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