Pyrometer CellaCrystal PA 44

Measuring range	750 - 3000 °C in sub-ranges
Sensor	Double photodiode
Spectral range	0.95 / 1.05 µm
Response time t98	Measuring range 750 - 2,400 °C: ≤ 10 ms (T > 950 °C) Measuring range 850 - 3,000 °C: ≤ 10 ms (T > 1,050 °C)
Measurement uncertainty	750 – 850 °C: 6 K 850 – 1,500 °C: 0.35 % of temp. reading [°C] + 2 K 1,500 – 2,400 °C: 0.5 % of temp. reading [°C] + 2 K 2,400 – 3,000 °C: 1 % of temp. reading [°C] + 2 K
Repeatability	2 K
Temperature coefficient	0.05 %/K
Resolution current output	0.2 K + 0.03 % of selected measuring span
Resolution interface	0.1 K
Resolution display	1 K

Objective 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 - ∞

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 at 24 V DC

Video output

Composite PAL, 1 Vpp, 75 Ω

Sighting option	through-the-lens sighting
Sighting option	Laser pilot light
Sighting option	video camera
Display	4 x 7 segments LED red, digit height 8 mm
Status display	2 x LED
Operator controls	3 pushbuttons

Connection	M12 screw connection 8-pin
Ambient temperature	0 - 65 °C
Storage temperature	-20 - +80 °C
Permissible air humidity	95 % RH max. (non-condensing)
Dimension	Ø 65 mm x 220 mm (max. 277 mm)
Housing material	Stainless steel V2A (1.4305)
Type of protection	IP 65 acc. to DIN 40050
Weight	approx. 0.9 kg

Parameters

Measuring range Measured variable and scaling of analogue input and output signals Smoothing filter Memory operation mode Holding time of the memory Emissivity Transmittance Compensation of background radiation Limit values 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 Measuring channel two-colour, one-colour 1 and one-colour 2 Threshold value of the contamination monitoring additionally for pyrometer with camera: TBC funktion White balance

Overtemperature signal	if the internal temperature exceeds 80 °C, the analog 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

Pyrometer CellaCrystal 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) CellaView software Operating manual (short)

Software

CellaView