Principle


The DNI measures, learns, calculates and alerts in the event of a leak

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For what type of tank?


The DNI is suitable for all types of tank. Whether vertical, horizontal
or even inclined, the DNI is capable of calculating refrigerant levels and volumes.

Simple vertical tanks

Horizontal tanks on outdoor units

Double vertical tanks

Horizontal and inclined tanks

For which fluids?


The DNI works with all refrigerants. Over 120 fluids are included in the DNI library, includingCO2 and ammonia (NH3).

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How does the DNI communicate?


The DNI is connected to the PolarVisor web interface. Several connection options are available: wifi, Ethernet/RJ45 cable or a 4G modem for connecting up to 4 control units. Connection to PolarVisor connection brings a host of benefits, including easier technical support, fault identification and automatic updates. Note: data exchange between the DNI and PolarVisor is secured by data encryption.

How do leak alerts work?


E-mail

Connected to the PolarVisor web interface, the DNI alerts you by email in the event of a leak. Type of leak, estimated flow rate, system leak rate and current load; PolarVisor also indicates the regulatory time to intervene based on the leak flow rate.

Alarm relay

The alarm relay or dry contact provides a local warning of the presence of a leak. This type of device can be connected to a centralized management solution.

Besoin de conseils, des questions ?

More information


Installation

Matelex can help you install your DNI and its complementary add-on modules with a detailed, illustrated installation manual. Our technical support is available by phone or email, and offers remote and/or on-site training sessions.

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Performance

DNI complies with French and European regulatory requirements. Patented and tested by independent bodies, the DNI triggers an alarm as soon as a leak occurs, and before it reaches regulatory thresholds.

Nos formations ouvertes


Vous souhaitez mieux connaître le DNI, la PolarBox et leurs modules, vous former à leur installation
ou à l'utilisation de PolarVisor ? Nous organisons des formations pratiques
adaptées à vos besoins.