Water Level Measurement


Aquarian Single Probe Alarm Module

The Aquarian Single Probe Alarm Module (Aquarian SP) represents the latest advancement in electronic water level detection. Based on the conductivity probe technology now widely accepted in the industry, it was specifically designed to meet increasing industry demand for a reliable, cost effective and versatile means of sensing water in various applications, some of which include main steam header drains, turbine water induction prevention, and hot well alarms.

The Aquarian SP is an accurate and reliable instrument that provides positive indication of steam or water in high temperature and pressure applications. The proven Aquarian probe and pressure vessel form a resistivity cell.

The Aquarian SP reports the presence of either steam or water, based on fluid conductivity. The probe connector can be mounted directly to the pressure vessel or column.

The Aquarian SP is an effective electronic replacement for mechanical float switches. The SP module can be conveniently located up to 65 feet away from the probe with low conductivity water and 500 feet away with high conductivity water. The "POWER/CLOCK" LED flashes under normal conditions to show that power is present and the clock is properly functioning. The two "Form-C" type contacts provide relay outputs for control circuits or remote indicators.

Key Features:
• Solid state electronics
• Stand-alone plug-in module
• Fail-safe relay output
• Single probe
• Low or High pressure probes
• Power/Clock fault monitoring
• Field configurable
• Ideal replacement for float switches



1/2A @ 120VAC
1/4A @ 240VAC

Contact Ratings
5A @ 120VAC (resistive)
5A @ 24VDC (resistive)
1/3 hp @ 120VAC

Ambient Temperature
32°F to 140°F (0°C to 60°C)

Conductivity Capability
5.0 micromho

Probe Ratings
Low Pressure
650 psig @ 500°F
High Pressure
> 650 psig



Aquarian Single Probe Alarm Module
Aquarian Single Probe Alarm Module

Download a PDF version of full specifications and options for this product:
Aquarian Single Probe Alarm Module Specifications & Options

Aquarian Single Probe Alarm Module Customer Order Form

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