AKS 4100 / AKS 4100U Liquid Level Sensor

Call 800-876-2826 for current pricing.


The AKS 4100 / AKS 4100U liquid level sensor is designed specifically to measure refrigerant liquid levels in a wide range of refrigeration applications, in vessels, accumulators, receivers, standpipes, etc.
The AKS 4100 / AKS 4100U liquid level sensor is based on a proven technology called Time Domain Reflectometry (TDR) or Guided Micro Wave.
The electrical output is a 2-wired, loop powered 4-20 mA output signal, which is proportional to the refrigerant liquid level.
AKS 4100 / AKS 4100U cable version is suitable for HCFC, non flammable HFC and R717 (Ammonia), and is available in lengths from 800 mm (31.5 in.) and up to 5000 mm (197 in.). The cable version should NOT be used for CO2 or marine applications.
The coaxial version is designed for use with R744 (CO2), HCFC, non flammable HFC and R717 (Ammonia). The coaxial version should always be used for marine applications for all refrigerant types.
Dust, foam, vapour, agitated surfaces, boiling surfaces, changes in density or in the dielectric constant for the liquid have no influence on the AKS 4100 / AKS 4100U performance.
Oil accumulated in the bottom of a standpipe will not disturb the liquid level signal and it is not necessary to remove AKS 4100 / AKS 4100U for cleaning after oil has been drained out of the standpipe.


Product Documentation

From AKS 41/41U to AKS 4100/4100U cross reference

AKS 4100/4100U – 148B9757

AKS 4100/4100U – Cable Version

AKS 4100/4100U – Coaxial Version

IR catalogue – Level controls – Chap. 04

Liquid Level Sensor, AKS 4100 and AKS 4100U

Liquid Level Sensor, AKS 4100U

A whole new level of flexibility and accuracy – The AKS 4100 – Liquid Level Sensor


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