EGE Elektronik Sensor with Integrated Amplifier Productseries STA 421 K-HC22

The EGE Elektronik Sensors with Integrated Amplifier Productseries STA 421 K-HC22 is the authoritative choice for process engineers who require a higher degree of responsiveness than standard flow switches.

Description

The EGE Elektronik Sensors with Integrated Amplifier Productseries STA 421 K-HC22 is the authoritative choice for process engineers who require a higher degree of responsiveness than standard flow switches. The “HC22” designation refers to a high-sensitivity electronic bridge circuit within the integrated amplifier, allowing the sensor to react more quickly to flow interruptions or velocity drops—critical for protecting high-value industrial equipment.

Brand

EGE-Elektronik

EGE-Elektronik

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.

Specifications

TYPESTA 421 K-HC22
Product IDP11159
Mediumwater, oil
Detection range water1 … 150 cm/s
Detection range Oil3 … 300 cm/s
Process connectionG1/2
Sensor length L31 mm
Ambient temperature-20 … 80 °C
Medium temperature-20 … 80 °C
Temperature gradient fluids250 K/min
Start-up time typ.8 s (2 … 15 s)
Reaction time typ.2 s (1 … 13 s)
Compressive strength100 bar
Material sensor touched by mediumHastelloy C-22
Material housingHastelloy C-22
Protection [EN 60529]IP 68
Electrical connectionfixed cable
Accessories (in scope of delivery)2 x gasket G1/2 AFM 34
Associated amplifiersSKM 420, SKM 522, SKZ 400

Features

  • Integrated Evaluation Amplifier: Simplifies system architecture by eliminating the need for remote control modules.

  • Compact “K” Design: Optimized for installations where mounting space is limited.

  • Thermodynamic Measurement: Maintenance-free solid-state technology with no paddles to break or jam.

Applications

  • High-Precision Cooling: Monitoring cooling water for laser resonators or sensitive electronic power supplies.

  • Fine Lubrication Circuits: Ensuring oil delivery in high-speed spindle bearings where flow rates are low.

  • Fast-Acting Safety Interlocks: Protecting equipment that requires immediate shutdown upon loss of flow.