Pepperl+Fuchs KFA5-ER-Ex1.W.LB Conductivity Switch Amplifiers Isolated Barriers
Description
The KFA5-ER-Ex1.W.LB is a reliable Conductive Switch Amplifier designed for intrinsic safety applications in hazardous areas. It provides a robust solution for level sensing and conductivity measurement, making it suitable for industrial processes that require precise control and monitoring. This device is particularly effective in environments where safety and accuracy are paramount.
Features
The KFA5-ER-Ex1.W.LB is equipped with a single-channel isolated barrier and operates on a 115V AC supply. It offers an adjustable response sensitivity from 1 kΩ to 150 kΩ, allowing users to fine-tune the device to their specific needs. The sensitivity can be easily adjusted using a potentiometer, and the device includes DIP switches for additional configuration options. It supports reinforced insulation according to IEC/EN 61010-1, ensuring a rated insulation voltage of 300 Veff. The KFA5-ER-Ex1.W.LB also features signal damping with time constants of 0.5 s, 2 s, 5 s, or 10 s, providing stable signal transmission.
Function
This Conductive Switch Amplifier functions by continuously monitoring the conductivity between electrodes and triggering relay outputs when the measured resistance meets the predefined criteria. It can be configured for on/off control or min/max control, offering flexibility for different application scenarios. The device includes line fault detection to ensure reliable operation, with a red LED indicating any lead breakage or short circuits. Its ability to operate within a wide temperature range of -20°C to 60°C (-4°F to 140°F) makes it suitable for various industrial environments. The KFA5-ER-Ex1.W.LB is an essential tool for maintaining safe and efficient operations in hazardous areas.
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