Product descriptionThe CellaTemp® PKF 66 separates the electronics from the measuring head and transmits infrared radiation via a fibre-optic cable to the electronics. The measuring head is metal/glass only and can operate without cooling at ambient temperatures up to 250 °C, making it suitable for confined mounting locations and high electromagnetic fields. Fibre lengths up to 50 m are available. The PK series integrates a vitality indicator (SMART) for continuous self-monitoring, analysis and status reporting to support predictive maintenance and indicate optimal service and calibration intervals.
Special features- Measuring range 700 to 1,800 °C
- Fibre-optic version: fibre length up to 50 m
- Universally configurable switching output
- High optical resolution with precision lenses
- IO-Link interface
- All parameters adjustable via sensor pushbuttons or plant interface
- 2 × switching outputs PNP open collector
- Simple mounting via M30 central thread
- Large, bright 4-digit LED display
Measuring field (excerpt)- 0.00 mm — 23.40 mm
- 8.00 mm — 22.51 mm
- 16.00 mm — 21.61 mm
- 24.00 mm — 20.72 mm
- 32.00 mm — 19.82 mm
- 40.00 mm — 18.93 mm
- 48.00 mm — 18.04 mm
- 56.00 mm — 17.14 mm
- 64.00 mm — 16.25 mm
- 72.00 mm — 15.35 mm
- 80.00 mm — 14.46 mm
- 88.00 mm — 13.57 mm
- 96.00 mm — 12.67 mm
- 104.00 mm — 11.78 mm
- 112.00 mm — 10.89 mm
- 120.00 mm — 9.99 mm
- 128.00 mm — 9.10 mm
- 136.00 mm — 8.20 mm
- 144.00 mm — 7.31 mm
- 152.00 mm — 6.42 mm
- 160.00 mm — 5.52 mm
- 168.00 mm — 4.63 mm
- 176.00 mm — 3.73 mm
- 184.00 mm — 2.84 mm
- 192.00 mm — 1.95 mm
Measuring field (example)Measuring heads / optical variants- AF 1: PA 41.01 (M30): Focusing 0.2 m - ∞
- AF 2: PKS 21.01 (M30): Focusing 1.08 m
- AF 3: PA 41.05 (M16): Focusing 0.12 m - ∞
- AF 4: PZ 41.18 (M16): Focusing 0.033 - 0.045 m
- AF 5: PA 41.03 (M30): Focusing 1.8 m (sealed)
Scope of delivery (standard)Infrared thermometer CellaTemp PKF, measuring head, short manual, 2 fixing nuts. Fibre-optic cable ordered separately.
Technical specifications- Measuring range: 700 - 1800 °C
- Measurement principle: Two-colour
- Sensor: Double photodiode
- Spectral range: 0.95 / 1.05 µm
- Response time t90: ≤ 10 ms (T > 800 °C)
- Measurement uncertainty: 1 % of reading + 3.0 K
- Repeatability: 2 K
- Temperature coefficient: 0.05 %/K
- Resolution current output: 0.1 K + 0.005 % of selected span
- Resolution interface: 0.1 K
- Resolution display: 1 K
- Analog output: 0(4) - 20 mA, linear, switchable, scalable
- Analog output load: ≤ 500 Ω
- Switching outputs: 2 × PNP open collector 24 V DC, 2 × 150 mA max.
- Test input: 10 - 34 V DC (acc. to IEC 61131-2)
- Interface: IO-Link V1.1.3
- Supply: 18 - 32 V DC
- Current consumption: ≤ 50 mA at 24 V DC
- Display: 4-digit red LED, digit height 8 mm
- Status indicators: 3 × LED
- Controls: 3 buttons
- Connection: M12 5-pin (A-coding)
- Ambient temperature (measuring head): 0 - 65 °C
- Storage temperature: -20 - +80 °C
- Permissible humidity: 95 % r.H. max. (non-condensing)
- Dimensions: Ø 30 × 210 mm (without plug)
- Housing: Stainless steel V2A (1.4305)
- Protection class: IP 65 (DIN 40050)
- Weight: approx. 0.4 kg
- Adjustable parameters: analog output scaling, ratio correction, protective glass transmission, damping time, max hold, switching contact parameters, temperature correction via interpolation points, vitality indicator, service parameters, factory reset, key lock, temperature unit °C/°F, temperature simulation, ...
- Functions: overtemperature signal (internal temp > 75 °C), service simulation, DTD (Discontinuous Temperature Detection), diagnostics (reverse polarity, overload, wrong supply voltage), reverse polarity protection