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- Sensor principle: Delta‑S‑Technology®
- Switching output: Push‑pull: PNP/NPN
- Switching output (voltage): Push‑pull: PNP/NPN (High: VS − 3 V, Low: < 3 V)
- Light source: LED, visible red light
- Light spot size: 10 mm × 12 mm
- Wavelength: 640 nm
- Sensing distance:
With retro-reflective sensors, the transmitter and receiver are located in one housing and combined with a prismatic reflector. The reflector reflects the emitted light beam and if the light is interrupted by an object, the sensor switches.
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Technical Specification:
| Process Connection | CLEANadapt │ Tri-Clamp │ Varivent │ FLEXadapt ESF │ Thread | Without thread |
| Insertion length | 0…2000 mm (flush version available) |
| Wetted material | Stainless steel 1.4404 (AISI 316L) │ PEEK (Dependent on type ) |
| Measuring range | -200 °C …+400 °C |
| Accuracy | < ±0.1 °C/°F |
| Available versions | Head Ø18 mm │ Spacer │ Transmitter |
| Operating pressure | max. 50 bar | 10 bar (Dependent on type ) |
| Communication | 4…20 mA, IO-Link |
SMART Transmitter Power Supply, Output Current Sink
KFD2-STC4-Ex2-Y1
♦ 2-channel isolated barrier.
♦ 24 V DC supply (Power Rail).
♦ Input 2-wire SMART transmitters.
♦ Output 0/4 mA ... 20 mA current sink.
♦ Terminal blocks with test sockets.
♦ Up to SIL 2 acc. to IEC/EN 61508.
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Voltec Engineering Limited
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