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Pyrometer CellaCrystal PA 45

Article description

The CellaCrystal PA 45 has been developed for optical temperature measurement in high-temperature furnaces for crystal growing up to 3200 °C. The pyrometer, which is based on the two-colour measurement principle, is characterised by a very large measuring range with a consistently high resolution of < 0.1 K over the entire measuring range. A special signal processing ensures very high measuring accuracy. Therefore, the device fulfils the high requirements for long-term stability necessary for the production process. With the help of the through-the-lens sighting or the video camera, the pyrometer can be precisely aligned to the measuring point.

Special features:
  • Measuring range 900 to 3200 °C
  • especially suitable for the production of crystals at very high process temperatures
  • hybrid signal evaluation for high metrological resolution
  • high long-term stability due to minimal self-heating
  • focusable lens for exact adjustment of the measuring distance
  • Narrow field of view enables measurement through small openings in high-temperature applications
  • standard feature: analogue output and USB/RS 485 interface
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Features of video camera

Pyrometer CellaCrystal PA 45
Properties
Version
Measuring range
900 - 3200 °C
Focus distance
0,2 - 0,4 m
Through-the-lens-sighting
Your selection will affect other settings
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Version CellaCrystal PA 45 AF 1 
Version CellaCrystal PA 45 AF 2 
Version CellaCrystal PA 45 AF 3 
Version CellaCrystal PA 45 AF 5 
Measuring range 900 - 3200 °C 
Measuring range 900 - 3200 °C 
Measuring range 900 - 3200 °C 
Measuring range 900 - 3200 °C 
Focus distance 0,4 m - ∞ 
Focus distance 0,2 - 0,4 m 
Focus distance 1,2 m - ∞ 
Focus distance 0,6 m - ∞ 
Shape of the measuring field round 
Distance ratio 210 : 1 
Distance ratio 200 : 1 
Distance ratio 310 : 1 
Distance ratio 430 : 1 
Objective PZ 20.01 
Objective PZ 20.03 
Objective PZ 20.06 
Objective PA 20.06 
Measuring principle two-colour 
Sighting option Through-the-lens-sighting 
Sighting option Laser pilot light 
Sighting option Video camera 

Technical Data Downloads Measuring field calculator Accessories Emissivity calculator Application request

Pyrometer CellaCrystal PA 45

Technical Data

ISG Info

1120838 MeS PA xy
1122723 MeS PA xy-L
1121051 MeS PA xy-C

Measurement parameters

Measuring range 900 - 3200 °C
Sensor Double photo diode
Spectral range 0,9 / 1,05 µm
Response time t98 ≤ 10 ms
Measurement uncertainty 900 - 1500 °C: 0,35% vom Messwert [°C] + 2K
1500 - 2400 °C: 0,5% vom Messwert [°C] + 2K
2400 - 3200 °C: 1,0% vom Messwert [°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

Optical variants

Lenses Standard objective lens PZ 20.01: focusing 0.4 m - ∞
Close-up lens PZ 20.03: focusing 0.2 m - 0.4 m
Telephoto lens I PZ 20.06: focusing 1.2 m - ∞
Telephoto lens II PA 20.06: focusing 0.6 m - ∞

Electrical parameters

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

Camera

Video output Composite PAL, 1 Vpp, 75 Ω

Features

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

General parameters

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

Adjustable parameters

Parameters Measuring range
Measured variable and scale of analogue input and output signals
Smoothing filter
Memory operation mode
Hold time of the memory
Emissivity
Transmittance
Compensation of the reflected ambient radiation
Kompensation der Umgebungstemperatur
Limits and operating mode of the alarm contacts
Parameters of the ATD function (optional)
Linearization function
Status display of the LEDs
Simulation of current and temperature
Temperature unit °C/°F
Measurement channel two-colour, single-colour 1 and single-colour 2
Threshold level of the contamination monitoring

in addition, for model with camera:
TBC function
White balance

Functions

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

Scope of delivery

Scope of delivery Pyrometer CellaCombustion PA
Connection cable VK 02/A (5 m)
Video cable VK 02/F (5 m) for model with built-in camera
USB cable VK 11/D (1.8 m)
Software CellaView
Manual (short)

Software

Software CellaView

Pyrometer CellaCrystal PA 45

Emissivity calculator

The correct emissivity to be set on the pyrometer is calculated from the measured value displayed on the pyrometer, the true object temperature, the emissivity preset on the pyrometer and the ambient temperature (necessary for some types).
From the true object temperature, the emissivity of the measurement object, the emissivity set on the pyrometer and the ambient temperature (required for types), the measured value calculated by the pyrometer is displayed.
Pyrometer
Quotient
  • Two-colour mode
  • One-colour 1
  • One-colour 2
Preset emissivity
Emissivity ratio to be set
Ambient temperature
Object temperature
Measured value of the pyrometer
Pyrometer
Quotient
  • Two-colour mode
  • One-colour 1
  • One-colour 2
Preset emissivity
Measured value of the pyrometer
Ambient temperature
Object temperature
Emissivity ratio to be set

Pyrometer CellaCrystal PA 45

Downloads

Brochure CellaTemp PA
en
Brochure Supplementary lenses
en
Brochure CellaView
en
Manual CellaTemp PA 4x5x6x
en
Quick guide CellaTemp PA4x 5x 6x
en
Declaration of conformity Declaration from Conformity PAxx
en
UKCA Declaration from Conformity PAxx
en
EAC Deklaration PK-PA-PT
en

Pyrometer CellaCrystal PA 45

Accessories

Pyrometer CellaCrystal PA 45

IO-Link IODD

Pyrometer CellaCrystal PA 45

IO-Link Manufacturer explanation

Pyrometer CellaCrystal PA 45

Measuring field calculator

Pyrometer
  • PA 45 AF 1 (0,4 m - ∞)
  • PA 45 AF 2 (0,2 - 0,4 m)
  • PA 45 AF 3 (1,2 m - ∞)
  • PA 45 AF 5 (0,6 m - ∞)
PA 45 AF 1 (0,4 m - ∞)
Focus distance
mm
Graphic length
mm
Measuring distance (mm)03264961281601922242562883203523841.90 mm
Measuring distanceMeasuring field diameter
0.00 mm7.50 mm
16.00 mm7.28 mm
32.00 mm7.05 mm
48.00 mm6.83 mm
64.00 mm6.60 mm
80.00 mm6.38 mm
96.00 mm6.16 mm
112.00 mm5.93 mm
128.00 mm5.71 mm
144.00 mm5.49 mm
160.00 mm5.26 mm
176.00 mm5.04 mm
192.00 mm4.81 mm
208.00 mm4.59 mm
224.00 mm4.37 mm
240.00 mm4.14 mm
256.00 mm3.92 mm
272.00 mm3.70 mm
288.00 mm3.47 mm
304.00 mm3.25 mm
320.00 mm3.02 mm
336.00 mm2.80 mm
352.00 mm2.58 mm
368.00 mm2.35 mm
384.00 mm2.13 mm
400.00 mm1.90 mm
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