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Quarter-turn NEON Valve Sensor mounted on blue-handled valve with universal bracket for fast installation.
NEON Valve Sensor Quarter-Turn mounted on manual valve with blue handle and universal bracket.

IMI TWTG

NEON QT Valve Sensor

Valve position sensor for industrial quarter-turn valves, designed for rapid, non-intrusive installation and near realtime monitoring of manual valve activity.

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    Universal bracket fits any quarter-turn valve, enabling fast, installation in under two minutes with no process interruption required.

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    Secure LoRaWAN wireless connectivity delivers reliable, near real time valve status data from even the most challenging industrial environments.

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    Built for harsh conditions with IP65 protection, ATEX/IECEx Zone 1 certification, and a battery life of up to 5 years, ensuring long-term, low-maintenance operation.

Having reliable information available is the essence of good decision making to ensure safety in working environments, especially in industrial sites.

As a result, businesses will run more efficiently and operations will be streamlined. IMI's Industrial IoT-connected valve sensors provide this insight.

Unlock efficiency and safety with the NEON Valve Sensor

Our NEON Valve Sensors are designed to communicate whether a valve is in the open or closed position. This capability reduces the likelihood of false positives while providing you with outstanding measurement accuracy.

The NEON QT Valve Sensor ensures universal compatibility with any sized quarter-turn valve available on the market.

Innovative design for optimal performance

The NEON QT Valve Sensor is an industrial-grade device designed to withstand harsh and hazardous environments. It has been rigorously tested and certified to operate safely in explosive atmospheres (ATEX zone 1 / IECEx class 1). With its ability to function in temperature ranges from -40° to +80° Celsius, the valve sensor ensures reliable performance in valve position monitoring even under the most challenging conditions. Its redesigned universal bracket, swift installation, and minimal maintenance requirements underscore IMI’s commitment to continuous innovation, adaptability, and user convenience.

Single previous-generation NEON valve sensor mounted on an industrial valve at Vopak Terminal Vlaardingen, shown against a blue sky and green structural framework.

Previous-generation NEON Valve Sensor installed on a valve at Vopak Terminal Vlaardingen.


With universal compatibility and multiple orientation versatility, the new NEON sensor assembly can be intuitively fitted to any valve head on the market in under two minutes.

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Universally fits all manual quarter-turn valves for fast installation and monitoring
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Proven technological functionality

The all-new bracket has been innovatively engineered to ensure both safety and practicality. In fact, it serves not only as a mount but as a functional component of the sensor mechanism. As a result, the NEON QT Valve Sensor is positioned directly at the center of the valve head, away from the handle, which prevents accidental contact with an engineer’s hands. This feature helps avoid potential miscalibration or even accidents.

NEON QT manual turn sensor attached to a stainless-steel valve, with a gloved hand holding the blue-handled lever, displayed against a black background.

NEON QT Valve Sensor shown mounted on a valve with manual operation.


All NEON sensors can be installed on new or existing equipment based on your digitisation strategy. By continually increasing the number of digital measuring points in an industrial facility, engineers can gain better insight into the running and interdependencies of their operations.

Reliability is the first thing to consider when providing insight based on new technologies. Therefore, our Valve Sensors have been specifically designed to only communicate the essential: closed or open. This allows our customers to reduce false positives immensely and be certain of the measurements the sensor delivers.

The sensors communicate via a privately hosted LoRaWAN network, with gateways tailor made for the same industrial conditions and requirements of the Valve Sensor (globally). IMI can install this network and it has been designed to scale up in numbers and for other I-IoT solutions in the future. Furthermore, they can be integrated with DCS / SCADA systems to ensure operational excellence.

Key features

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LoRaWAN transmitter with integrated magnetic sensor

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Process temperature -40°C to 80°C

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IECEx / ATEX zone 1 certified

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5-year battery life (depending on environment)

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Supplied with mounting kit

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Works with nearly all types of manual valves

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Determines valve state: fully closed / opened

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Runs on privately hosted LoRaWAN I-IoT network

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Quick provisioning and easy installation

Up to 5

Years of battery life

IP65

ATEX / IECEx Zone 1 certified

Specifications

Protocol

LoRaWAN (private LoRaWAN)

LoRaWAN Region

EU868 / US915 / AS923 (on Request)

LoRaWAN Frequency Bands

868 MHz

915 MHz

923 MHz

Battery Rated Capacity (Ah)

3.6

Battery Life

Up to 5 years

Mounting

Specialised mounting kit for QT valves

Operating Temperature Range (Transmitter)

-40°C to 80°C (-40°F to 176°F)

Water and Dust Resistance

IP65

Angle Detection

State of change after 2.5°

Error Offset

0.5°

Message Frequency

On State / every 24 hours

Message Information

State change open/close and battery condition

Certifications

ATEX / IECEx Rating : Ex II 2G Ex ia IIB T4 Gb

ATEX / IECEx Certificates: 18ATEX0106 / DEK 18.0063

cFMus Rating : Class I Division 1; Groups C + D; T4 Ta = -40°C to +80°C / Zone 1; Ex ia IIB T4 Gb Ta = -40°C to +80°C

cFMus Certificates : FM20US0015X / FM20CA0007X

Resources

Documents

file-name
IMI TWTG - NEON Manual Valve Sensor - BrochureNEON Valve Sensor Trifold Aw DIGITAL.pdf
file-name
IMI TWTG - 607 P18-023 NEON-Data-Sheet-VS-QT E3607 P18-023 NEON-Data-Sheet-VS-QT E3.pdf
file-name
IMI TWTG - N00-01-01 NEON-ValveSensorQT InstallationManual A1N00-01-01 NEON-ValveSensorQT InstallationManual A1.pdf
file-name
IMI TWTG - 611 P18-023 Neon-Quarter-turn Valve-Sensor ProductManual A5611 P18-023 Neon-Quarter-turn Valve-Sensor ProductManual A5.pdf
file-name
IMI TWTG - NEON Valve Sensor - Starting Guide - C19-001-V1.0Starting Guide - TWTG NEON Valve sensor - C19-001-V1.0.pdf

Software

file-name
IMI TWTG - Communication protocol V2 - P18-023 - VS-QT v2.2Communication protocol V2 - P18-023 - VS-QT v2.2.pdf
file-name
IMI TWTG - decoder-vs-qt rev-3decoder-vs-qt rev-3.js
file-name
IMI TWTG - decoder vs prot-2 examplesdecoder vs prot-2 examples.js
file-name
IMI TWTG - encoder-vs-qt rev-3encoder-vs-qt rev-3.js

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