The CELLGUARD ELS+ Electrolyte Level Monitoring System provides reliable electrolyte level and temperature monitoring on Vented Lead Acid (VLA) batteries of any voltage, size, or design in Utility, Telecommunications, Data Centers, and Industrial Battery Plant applications.

The CELLGUARD ELS+ Electrolyte Level Monitoring System is completely non-invasive to VLA batteries, delivers 24/7 monitoring of electrolyte levels, and enhances operational safety with battery case temperature alarming in the event of abnormal battery thermal conditions.

During a low-level electrolyte level condition or if the battery case temperature limits are exceeded, the sensor communicates an alarm condition to the hub unit. The hub senses the alarm state and provides a dry contact alarm\lead status.

Both the sensors and hub units provide LED indications to visually identify VLA batteries that require servicing.

Complies with NERC PRC-005 electrolyte level inspection requirements with 24/7 alarm reporting

Modular quick connect cabling provides time-saving installation without the need for a site survey. 

The sensor string terminates into one common powering and alarming module hub. The hub aggregates all individual sensor alarms from all sensor strings to one common two form C dry contact interface and provides LED identification of the status of each string.