Pyrometer CellaCrystal PA 64

Article description

The CellaCrystal PA 64 has been developed for optical temperature measurement when growing crystals with the plasma-assisted CVD process. Thanks to the two-colour measuring method and the special wavelength, the measurement is minimally influenced by the plasma. Combined with the constant high resolution of < 0.1 K over the entire measuring range and the very high long-term stability, the device meets the requirements for the necessary high measuring accuracy. With the help of the through-the-lens sighting, laser pilot light or video camera, the pyrometer can be precisely aligned to the measuring point.

Special features:

Measuring range 500 to 1,400 °C
PA 485 AF 1: developed for measurement in the plasma-assisted CVD process
continuous light two-colour measurement process
no rotating filters
high long-term stability due to minimal self-heating
focusable lens for exact adjustment of the measuring distance
standard feature: analogue output and USB/RS 485 interface

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Features of video camera

Pyrometer CellaCrystal PA 64

Measuring range		500 - 1400 °C 500 - 1400 °C
Focus distance		0,2 - 0,4 m 0,2 - 0,4 m
Sighting option		Through-the-lens-sighting Through-the-lens-sighting Laser pilot light Video camera

Your selection will affect other settings

Version		AF 2
Sighting option

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Measuring range	500 - 1400 °C
Sensor	Double photo diode
Spectral range	1.50 / 1.90 μm
Response time t98	≤ 30 ms
Measurement uncertainty	0.75 % of temp. reading [°C], min. 4 K
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	Through-the-lens-sighting
Sighting option	Laser pilot light
Sighting option	Camera
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	0 - 65 °C
Storage temperature	-20 - +80 °C
Permissible humidity	95 % r.H. max. (non-condensing)
Dimension	Ø 65 mm x 220 mm (max. 277 mm)
Housing	Stainless steel V2A (1.4305)
Protection class	IP 65 acc. to DIN 40050
Weight	approx. 0.9 kg

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
ATD-(Automatic Temperature Detection) function	Automatic temperature detection at discontinuous processes

Version	CellaCrystal PA 64 AF 2
Measuring range	500 - 1400 °C
Focus distance	0,2 - 0,4 m
Shape of the measuring field	round
Distance ratio	75 : 1
Objective	PZ 20.08
Measuring principle	two-colour
Sighting option	Through-the-lens-sighting
Sighting option	Laser pilot light
Sighting option	Video camera

Measuring distance	Measuring field diameter
0.00 mm	7.50 mm
8.00 mm	7.31 mm
16.00 mm	7.11 mm
24.00 mm	6.92 mm
32.00 mm	6.73 mm
40.00 mm	6.53 mm
48.00 mm	6.34 mm
56.00 mm	6.15 mm
64.00 mm	5.95 mm
72.00 mm	5.76 mm
80.00 mm	5.57 mm
88.00 mm	5.37 mm
96.00 mm	5.18 mm
104.00 mm	4.99 mm
112.00 mm	4.79 mm
120.00 mm	4.60 mm
128.00 mm	4.41 mm
136.00 mm	4.21 mm
144.00 mm	4.02 mm
152.00 mm	3.83 mm
160.00 mm	3.63 mm
168.00 mm	3.44 mm
176.00 mm	3.25 mm
184.00 mm	3.05 mm
192.00 mm	2.86 mm
200.00 mm	2.67 mm

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Pyrometer CellaCrystal PA 64

Article description