The EGE Elektronik Sensors with Integrated Amplifier Productseries ST 421 K-F is the authoritative choice for facilities where sanitation and process integrity are paramount.
The EGE Elektronik Sensors with Integrated Amplifier Productseries ST 421 K-F is the authoritative choice for facilities where sanitation and process integrity are paramount. The “K” head design offers a compact footprint, while the “F” specification indicates a food-grade focus, utilizing high-quality stainless steel surfaces that are resistant to common industrial cleaning agents and prevent bacterial buildup.
EGE-Elektronik Spezial-Sensoren GmbH has been developing and manufacturing special purpose sensors for automation applications since 1976. The company serves leading international producers from a wide range of industries. Its product portfolio includes flow controllers, infrared, opto and ultrasonic sensors, capacitive proximity switches, light barriers and inductive proximity switches. EGE also provides sensors for highly sensitive applications, e. g. hazardous areas. The development department`s highly qualified staff cooperates closely with all customers, ensuring continuous product updates and enhancement.
EGE has been a pioneer in the field of flow controller and an innovator and decisive participant in the development of today's globally utilized thermal flow controllers. The in-house EMC and test laboratories ensure that all inspections and tests required for permits and conformity certificates are carried out quickly and reliably. Product quality is guaranteed with a continuously monitored quality management system in accordance with EN ISO 9001:2000.
| TYPE | ST 421 K-F |
|---|---|
| Product ID | P10431 |
| Medium | water, oil |
| Detection range water | 1 … 70 cm/s |
| Detection range Oil | 2 … 100 cm/s |
| Process connection | G1/2 |
| Sensor length L | 48 mm |
| Ambient temperature | -10 … 70 °C |
| Medium temperature | -10 … 70 °C |
| Temperature gradient fluids | 1 K/min |
| Start-up time typ. | 60 s (40 … 100 s) |
| Reaction time typ. | 30 s (10 … 50 s) |
| Compressive strength | 5 bar |
| Material sensor touched by medium | PTFE |
| Material housing | PTFE, PVDF |
| Protection [EN 60529] | IP 68 |
| Electrical connection | 2 m FEP-cable 4×0.25 mm² |
| Accessories (in scope of delivery) | 2 x gasket G1/2 AFM 34 |
| Associated amplifiers | SKM 420 GR, SKM 420 GSP, SKM 420 GA, SKM 522 GR, SKM 522 WR, SKZ 400 GR, SKZ 400 WR-115, SKZ 400 WR |
| Note | probe with longer cable available on request |
Integrated Evaluation Amplifier: Compact “all-in-one” design eliminates the need for external rail-mounted modules.
Thermodynamic Measurement: Solid-state design with no moving parts ensures hygienic safety and zero mechanical wear.
Compact “K” Housing: Space-saving design ideal for integration into modern, modular process skids.
PNP Switching Output: Standard sourcing logic for direct integration with industrial automation systems.
Beverage Processing: Monitoring the flow of water, juice, or milk in bottling and filling lines.
Hygienic Cleaning (CIP/SIP): Verifying the flow of cleaning agents in Clean-In-Place systems (up to 80°C).
Pharmaceutical Production: Monitoring purified water (WFI) or liquid ingredient delivery.
Cooling Food Equipment: Ensuring water flow to heat exchangers in pasteurization or cooling tunnels.
Dosing Systems: Reliable detection of hygienic additives and flavors in food production.
