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[NTXDF556ATEXNB] ATEX-certified NB-IoT industrial pressure level sensor

The NTXDF556ATEXNB – Nasatech’s ATEX-certified NB-IoT level sensor – is an industrial solution for the remote monitoring of diesel fuel tanks. Based on high-precision hydrostatic pressure measurement, it features Nasatech LINK connectivity for direct data transmission to the cloud and integrates with the Nasatech CORE Platform for advanced analytics, alarms and operational optimisation. Its IP67-rated design and ATEX certification make it ideal for critical industrial environments.

Description

The NTXDF556ATEXNB – ATEX-certified Industrial NB-IoT Pressure Level Sensor is a professional remote monitoring solution designed by Nasatech for the digitalisation of diesel fuel tanks in demanding industrial environments. This device forms part of the Industrial IoT Data Acquisition Layer’s portfolio of solutions, enabling physical data to be captured directly from the field in a reliable, scalable and secure manner.

Based on hydrostatic pressure measurement technology using a submersible probe, the sensor determines the actual fuel level with high accuracy of 0.5% FS and millimetre-level resolution. This technology is particularly suitable for diesel tanks, as it eliminates external interference such as vapours, foam or adverse environmental conditions, ensuring stable and continuous measurement even in critical installations.

Its robust industrial design, with IP67 protection rating, ensures operation outdoors and in hostile environments, whilst its ATEX certification (II 0G Ex ia IIC T6 Ga) allows for installation in potentially explosive atmospheres. This makes it an ideal solution for Energy Parks, logistics facilities, fuel storage, the chemical industry or any environment where safety is a regulatory requirement.

The device features Nasatech LINK Connectivity, enabling direct data transmission to the cloud via NB-IoT, without the need for gateways or intermediate infrastructure. This simplified architecture reduces deployment complexity, minimises points of failure and enables projects to be scaled massively across multiple locations.

Thanks to its high-capacity lithium battery (8500 mAh), the sensor offers a battery life of over three years in standard configurations, eliminating the need for an external power supply and facilitating its installation in remote or hard-to-reach tanks.

The NTXDF556ATEXNB integrates natively with the Nasatech CORE Platform, where the captured data is transformed into high-value information. From the platform, it is possible to model tanks (vertical, horizontal or irregular), convert level to actual volume, generate smart alarms and analyse consumption history. This allows for the optimisation of supply logistics, the detection of anomalies such as leaks or irregular consumption, and the improvement of the asset’s operational efficiency.

Furthermore, the system supports integration with existing industrial architectures via standard protocols such as MQTT or TCP, facilitating its incorporation into Purdue ecosystems (L2–L4) and ensuring interoperability with corporate systems, historians or data platforms.

Overall, the NTXDF556ATEXNB represents a key element within Nasatech’s portfolio of solutions, combining reliable physical data capture, efficient connectivity and advanced analytical capabilities. It is not merely a sensor, but an enabler of industrial use cases, focused on operational optimisation, safety and the digital transformation of industry.

Technical specifications

Feature Value
Nasatech Model NTXDF556ATEXNB
Measurement Technology Hydrostatic pressure (submersible probe)
Application Diesel tank level monitoring
Measuring Range 2.5 m to 15 m
Accuracy ±0.5% FS
Resolution 1 mm
Material ABS (body), 304 stainless steel (probe), PTFE cable
Protection Rating IP67
Certification ATEX (II 0G Ex ia IIC T6 Ga), CE
Operating Temperature -30°C to +85°C
Connectivity NB-IoT (Nasatech LINK Connectivity)
Optional Technologies LoRaWAN, Sigfox, 4G, Cat-M
Protocols MQTT, TCP, custom integration
Battery Lithium ER26500, 8500 mAh
Battery Life >3 years (standard configuration)
Power Supply Internal battery or external supply
Installation Threaded connection 1.5”, 2” or 2.25”
Optional Features GPS / BEIDOU
Weight 820 g
Cable Length 2.5 m to 15 m
Platform Integration Compatible with Nasatech CORE Platform
Notifications Email, SMS, Telegram
Industrial Integration Purdue architecture compatible (L2–L4)

NasaTech operates internationally, providing engineering and technology solutions to industrial clients worldwide.

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Nasatech Core Platform
(+34) 856 634 550(+44) 20 4577 1068
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