Mobeye WaterGuard CM4300FS Water Level Alarm

Description

Mobeye WaterGuard CM4300FS Water Level Alarm

The Mobeye WaterGuard‑FS CM4300FS is a reliable and versatile 4G water level alarm with float sensor, designed to alert you whenever the water level (or other water-based fluids) rises above or falls below a set threshold. With its robust cellular connectivity, it provides real‑time notifications via mobile app, SMS, voice call, or email, allowing proactive action before small issues become costly problems.

The device consists of a water float sensor and a compact communication box. By fixing the float sensor in a horizontal position at the critical water level, it will be closed (when the water rises) or opened (when the water level falls). This is followed by an alarm message. The device is fully battery powered, or uses external power.

Mobeye WaterGuard-FS, battery powered water level monitoring system

In the event of an alarm, the Mobeye WaterGuard-FS sends alarm notifications by app (iOS/Android), telephone call (voice message), text message and/or email. The contact persons can be set, with multiple options for the alarm message. The Mobeye WaterGuard-FS runs for more than a year on a set of batteries. A message is sent when the battery voltage is low. When utilising an external power source (12-24V DC or mains), it also sends “power failure” notifications; this is often the first indication that something is wrong and action needs to be taken.

Key Benefits

• Enables real-time alerts for remote water level monitoring and related applications
• Helps prevent overflow, flooding and water shortage incidents through continuous monitoring
• Supports monitoring of water and other water-based fluids in critical environments
• Suitable for tanks, wells, ponds, basements, boats and drainage systems
• Includes an integrated water level sensor with support for an additional potential-free input (e.g. float sensor or failure contact)
• Flexible configuration options including alarm delays, inactivity periods, repeat notifications, test messages and custom alarm text
• Delivers notifications via SMS, voice call, email and mobile app
• Designed for simple installation and low maintenance requirements

With the Mobeye WaterGuard-FS CM4300FS, users can monitor water and fluid levels remotely and maintain control of critical systems at all times.

Note: For leak detection applications, the Mobeye CM4300 with leakage sensor is the more suitable solution.

How the Mobeye CM4300FS Works

The Mobeye CM4300FS monitors whether the water level is at or below a pre-determined level. If the water level is too high or too low, it sends a message. This way you are informed well to take prompt action.

1. Place the box in a dry place and set the contacts for the notifications. For wet or outdoor environments, use the IP66 outdoor enclosure.
2. Decide at what water height you want to receive an alarm. Install the water float horizontally, if necessary with the aid of an attachment.
3. As soon as the water closes (or opens) the float sensor, the WaterGuard-FS sends alarm messages to the contact persons. For the push messages there is a choice between an escalation plan or group message. With the escalation plan, the recipient can confirm the push message, so that the other contacts no longer receive the message. If none of the recipients confirms the push message, a phone call is made. The number of contacts is unlimited.

Typical Applications for the Mobeye WaterGuard CM4300FS Water Level Detector

Typical applications for the Mobeye CM4300FS include water tanks, ponds, wells, drainage systems and boats, enabling remote level monitoring, flood alerts and safety monitoring.

It is commonly used in

• construction areas,
• ponds,
• swimming pool water monitoring,
• well monitoring,
• drainage monitoring,
• pump station monitoring,
• flood warning systems,
• sewer pipe water level monitoring, and
• bilge water level alarms on boats.

Use cases

• A holiday home owner in the Spanish islands relies on the WaterGuard-FS as a critical safeguard for their water tank. Previously, they maintained a standing agreement with the local water supplier for weekly fresh water deliveries to keep the tank full. This fixed schedule often resulted in unnecessary deliveries and higher costs. With the Mobeye WaterGuard installed as a water level alarm, the system now monitors the water tank continuously and automatically contacts the water supplier when the water level drops below the minimum threshold. This intelligent automation reduces water delivery expenses and ensures a consistent, reliable water supply without manual checks.
• On construction sites, particularly where excavation takes place below groundwater level, continuous dewatering is essential. Pumps must remain operational until the ground floor slab is fully sealed. However, pump failures are not uncommon and can lead to rapid flooding and severe structural damage. Installing a WaterGuard with a float sensor positioned slightly above the pump’s own sensor provides an effective early warning layer. If the water pump stops functioning and the water level rises, the system immediately issues a telephone alert to designated contacts. This proactive pump protection solution has prevented substantial financial losses and project delays for multiple contractors.
• Boat owners have also reported that the WaterGuard has prevented vessels from sinking. The most common causes were malfunctioning bilge pumps and excessive rainfall overwhelming drainage systems. By operating as a reliable water level alarm in the bilge area, the device sends an immediate warning when water exceeds safe levels. This allows owners to intervene before critical damage occurs, protecting both the vessel and onboard equipment.

✅ Using the included Mobeye SIM card? You get full access to the Mobeye Portal and app, 4G connectivity with 2G fallback, unlimited contacts, push notifications with escalation plan, and remote programming. Subscription rates at mobeye.com/en/sim-portal.

⚠️ Using your own SIM card? If you use your own SIM card, the features of the Mobeye Portal and Mobeye App will no longer be available. Alarm notifications will instead be sent via text message and/or phone call to a maximum of 5 phone numbers. Please note that not all mobile network operators support the call function, some additional security features will be unavailable, and Mobeye will be unable to provide the full range of support options. For full functionality, use the included Mobeye SIM card.