Alarm Panels

HLERT-XXX

HydroLERT Level Alarm Systems - COMING SOON

Simple, visible alarm protection for tanks, sumps, and process applications.

HydroLERT Level Alarm Systems - COMING SOON image 1
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Overview

HydroLERT® is a compact and versatile alarm controller designed to detect one or two alarm conditions using digital switches or a conductivity probe. It provides clear local audible and visual warning for level, pressure, flow, temperature, and other limit-alarm applications.

WHY CHOOSE HydroLERT
  • Two configurable inputs and selectable operating modes support flexible single- or dual-level monitoring.
  • Early warning helps reduce the risk of tank or sump overflow.
    Low-level warning can help protect pumps and systems from dry-run conditions.
  • Audible buzzer and high-visibility strobe provide clear local alarm indication.
  • Mute and hold-to-test functions make local operation and routine testing simple.
  • Flexible sensor compatibility supports float, pressure, temperature, and flow switches, plus conductivity sensing.
BUILT FOR PRACTICAL INSTALLATIONS
  • Compact IP65-rated ABS enclosure for wall or pole mounting.
  • Adjustable alarm delay from 2 seconds to 18 minutes.
  • Voltage-free BMS/common-fault output and 12 Vdc remote buzzer output.
  • Battery-backup model keeps alarm capability available during mains power loss.
  • Suitable for new installations and retrofit applications across water, wastewater, irrigation, and process systems.
COMMON APPLICATIONS
  • Water storage tanks
  • Pump stations and sumps
  • Wastewater and stormwater systems
  • Irrigation and rural water systems
  • Chemical and process tanks
  • Pressure, flow, and temperature limits
  • Commercial and industrial facilities
PAIR WITH
  • Float switches for high-, low- or critical-level alarm points
  • Conductivity probe for liquid-level detection
  • Pressure switches
  • Temperature switches
  • Flow switches
  • Remote buzzer for additional alarm indication

Product Details

HARDWARE FEATURES

  • Enclosure:
    • IP65-rated ABS enclosure with UV stabiliser and in-built mounting brackets
  • Protection:
    • 12 V DC low-voltage control and input circuitry
  • Control & Interface:
    • Visual (strobe) and audible (buzzer) alarm indicators
    • Indicator light for power on, battery mode, standard and critical alarms
    • Alarm mute and test pushbutton
    • 12 V DC 1.3 Ah battery backup (BBU model only)
    • 4 selectable DIP-switch operating modes
    • Adjustable alarm delay
  • Inputs:
    • 240 V AC supply via 10 A 3-pin plug and 1.75 m lead
    • Digital 12 V DC switch input and conductivity probe input
  • Outputs:
    • BMS volt-free output for common fault (NO & NC)
    • Remote buzzer 12 V DC output

TECHNICAL SUMMARY

  • Alarm operation:
    • One or two set point alarm
  • Sensor compatibility:
    • Digital inputs or conductivity probe
  • Local indication:
    • Audible and visual alarm indication
  • User controls:
    • Alarm mute / test
  • Battery backup:
    • Available in HLERT-BBU model
  • Mounting:
    • Wall or pole-mounted controller
  • Power Supply:
    • 1ph, 240 V AC - 10 A 3-pin 1.75 m lead

FUNCTIONS

  • High level warning:
    • Provides early warning to help prevent tank or sump overflow
  • Low level warning:
    • Helps protect pumps and systems from dry-run conditions
  • Alarm acknowledgement:
    • Mute and test functions provide simple local operation
  • Power failure protection:
    • Battery backup model supports continued alarm monitoring
    • Option to activate alarm on power fail

SKU Details

Code Description Enclosure Size
HLERT-S Level Alarm - Standard IP65 240 V AC 243mm H x 122mm W x 74mm D
HLERT-BBU Level Alarm - Battery Backup IP65 240 V AC 243mm H x 122mm W x 74mm D

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HydroLERT® Level Alarm Controller | MATelec Australia | MATelec Australia