Liquid Level Controls

Sentry Liquid Level Alarms

Sentry Liquid level Alarms

Features

Monitor water levels in septic tanks, holding tanks, pump chambers, cisterns, sumps, floor drains or truck tanks.

Model 100 (wired) and 110 (wireless) Liquid Level Alarms

Monitor water level in pump chambers, cisterns, holding tanks, sumps, floor drains or truck tanks with the Sentry Liquid Level Alarm.  These alarms will warm of a threatening conditions with the following codes:

  • Green – power on, monitoring
  • Red flashing and audio – alarm condition
  • Yellow – probe or wireless communication error
  • Audio chirp – low batteries in outdoor unit
Operation

Audio can be silenced with the mute button. Audio will resent when the alarm condition is corrected.

High or low level function is selected during initial installation. HIGH LEVEL alarm condition occurs when the liquid level rises around the probe. An example is a septic tank. LOW LEVEL alarm condition occurs when the liquid falls below the probe. An example is a water cistern.

The wireless version (110) has a range of 70m (300 ft). 4 AA batteries are good for 3 years under normal working conditions.

Sentry Liquid Level Gauges

Sentry Liquid Level Gauges

Features
  • Indoor digital display of water depth
  • Digital RF sensor with +- 3/8″ resolution throughout span
  • Configurable HIGH and LOW alarm points
  • Audible alarm auto reset
  • Self diagnostic functions
  • Outdoor junction box
  • Standard sensor length 1.5m (5feet)

Monitor the water level in pump chambers, cisterns, holding tanks, sumps or truck tanks. The indoor digital display indicates the depth of water in feet or meters or percent.

HIGH and LOW level alarm points are programmed using the display. An audible alarm with auto reset can be used to warn of an alarm condition.

The sensor rests, vertically, on the bottom of the tank and is tethered at the top. The sensor cable is terminated to customer supplied cable in the weatherproof junction box. Customer supplied cable terminates at the plug on the indoor display.

On the Model 200C four relay outputs can be configured to operate pumps, remote alarms, security systems or other control applications.

Specifications
  • Power supply 120VAC, 60 Hz, UL listed and CSA
  • Indoor display – 4 digit LED, programmable
  • Sensor – Sealed 1 1/2″ PVC pipe, 3m (9′) SJOOW
Options
  • Custom sensor lengths, 0.9m (3 feet) to 4.8m (16 feet)
  • Analog output 1-5 VDC, digital output RS232 (200C only)
  • Custom control or data logging applications (200C only)