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IMI TWTG
NEON Pressure Sensor with Optional Gauge (Ex)
Pressure sensor for industrial applications, designed for rapid, non-intrusive installation and continuous remote monitoring of process pressure.
Versatile mounting system adapts to a wide range of pipework and pressure points, enabling quick, tool-free installation with minimal operational disruption.
Dedicated LoRaWAN connectivity provides secure, near real time pressure data, even in hazardous or hard-to-access industrial environments.
Built for reliability with ATEX/IECEx Zone 0 certification, robust construction for extreme temperatures, and a battery life of up to 10 years, reducing maintenance and maximising uptime.
Features
Accurate pressure readings are critical for any facility’s safe and efficient operation.
As the energy-producing industry rapidly transforms into the digital age, engineers are beginning to achieve deeper clarity of facilities by adding increasingly more data measuring points. However, while data leads innovation, we understand that, in certain situations, traditional instrumentation can still play a vital role for engineers.

Connected gauge and sensor for accurate industrial pressure monitoring.
Addressing these demands, IMI has developed a new pressure sensor that is accurate, versatile, and robust. The NEON Pressure Sensor is available in several pressure ranges and various other options, including one with a Badotherm gauge. The analog meter addresses an engineer’s need for immediate visual feedback when performing manual inspections, delicate maintenance, or possible emergency procedures. This design is best for digital and analog workflows, with fewer failure points than competing installations.
NEON Pressure Sensors provide data for predictive maintenance and monitoring and issue alerts when tolerances are breached. They are retrofittable, with up to ten years of battery life, and communicate wirelessly via a local LoRaWAN network. The sensors are available with an IECEx / ATEX certification or as a non-Ex variant.
IECEx Class 0 / ATEX Zone 0 certified variant
Designed for industry from the very beginning, the IMI TWTG NEON product line is built to not only operate in industrial sites where explosive gasses are being handled but also all other elements that a sensor may be exposed to in the course of its lifetime (up to 10 years). It has been tested and certified to work in conditions from -40° to 70° Celsius without hampering performance. The devices are designed and engineered so that they can be safely and securely deployed in a wireless network and are remotely configurable, ensuring not only longevity but also reliability within an operation.
Non-Ex variant
The NEON Pressure Sensor is now also available in a non-ATEX / IECEx certified version, tailored for industrial environments where such certification is not required. Built with the same standards as the ATEX / IECEx certified version, this sensor delivers the same accurate pressure readings.
This version is ideal for facilities outside of explosive zones, such as manufacturing, pulp and paper, water management, and automation, offering all the benefits of the known NEON capabilities and features without the need for intrinsic safety compliance.
With the trusted NEON form factor, full LoRaWAN compatibility, and industry-grade resilience, this sensor offers a powerful, cost-effective solution for widespread asset monitoring – engineered to perform for over a decade in the field.
Additional to the sensor’s extremely long lifetime, IMI delivers spare parts and product lifecycle support. The sensor can continue to be used with the correct refurbishment kit. This way, maintenance can be kept at a minimum.
NEON Pressure Sensor can be installed / mounted using its bracket with a band clamp or bolts. The cable between the transmitter and sensor part allows for flexible placing options and easy access on-site.
NEON product line – LoRa devices designed for heavy industry
The NEON product range supports all industrial customers moving towards LoRaWAN as the Industrial IoT network of the future. The LoRaWAN network gives industrial operations a secure solution, which has no vendor lock-in, scales up to tens of thousands of sensors, covers complete sites with only a small amount of gateways, and best of all – the low-power approach means that the lifetime of the NEON products can be extended dramatically. This international networking technology is quickly becoming the industry standard.
NEON stands for a standardised approach to collecting data points from within the operation and a general approach to creating integrated solutions with existing IT ecosystems.
Key features
LoRaWAN transmitter with remote pressure sensor or gauge
Process temperature -40°C to 80°C
IECEx zone 0 / ATEX zone 0 certified
10-year battery life (depending on environment)
Based on the highest security standards
100% ownership of data
Available with or without IECEx / ATEX Zone 0 certification
Visualisation via IMI’s SolidRed or any other IoT platform
Installation within live environments with continuous operation
Integration with existing data backends or DCS
10
Years of battery life
Range
−1 bar .. 1000 bar
Zone 0
ATEX Zone 0 / IECEx Zone 0
Case Study
Offshore annulus pressure monitoring with NEON pressure sensors and SolidRed
Annulus pressure monitoring is critical for maintaining well integrity. NEON pressure sensors combined with SolidRed enable continuous remote readings and real-time alerts, reducing manual checks and improving operational safety.
Specifications
Protocol
LoRaWAN (private LoRaWAN)
LoRaWAN Region
EU868 / US915 / AU915 / AS923-1 / AS923-2 / AS923-3 / AS923-4 / IN865
LoRaWAN Frequency Bands
869 MHz
915 MHz
923 MHz
Battery Rated Capacity (Ah)
17
Battery Life
10 years at 25°C (77°F) (Depending on environment)
Operating Temperature Range (Transmitter)
-40°C to 80°C (-40°F to 176°F)
Water and Dust Resistance
IP65
Firmware Features
Independent event-based message triggers: Above / Below
Adjustable measurement interval: Flexible 1-minute resolution (relative or absolute)
Adjustable measurement message send condition: Always / on condition
Certifications
ATEX / IECEx Rating: Ex II 1G Ex ia IIC T4 Ga
ATEX / IECEx Certificates: 22ATEX0004X / DEK22.0004X
cFMus Rating: IS Class I Division 1 Group ABCD T4; Class I Zone 0 AEX/Ex ia IIC T4 Ga
cFMus Certificates: FM22US0061X / FM22CA0043X
Supported Sensors
NEON Pressure Gauge
NEON Pressure Sensor







