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NEON Temperature Transmitter from the IMI TWTG product brand with green cable and metallic probe.
NEON Temperature Transmitter from the IMI TWTG product brand with long metal probe and certification label.
NEON Temperature Transmitter from the IMI TWTG product brand with top label, side connector, and mounting bracket.
NEON Temperature Transmitter

IMI TWTG

NEON Temperature Transmitter (Ex)

Transmitter for industrial temperature monitoring, designed to connect directly to thermocouples and deliver precise, near real-time data from critical assets.

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    Direct thermocouple integration enables accurate measurement of extreme temperatures, supporting a wide range of industrial processes.

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    LoRaWAN wireless connectivity allows for remote data transmission and easy deployment across large or hard-to-access sites.

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    Engineered for reliability with a robust enclosure, up to 10 years of battery life, and optional IECEx / ATEX Zone 0 certification for safe use in hazardous areas.

Knowledge is the basis of good decision making. The NEON Temperature Transmitter is designed to be implemented within minutes and to transmit the signal for monitoring purposes by being connected to an industrial thermocouple or RTD.

The device can be connected to a thermocouple via an M12 connector with an up to three-meter-long extension cable. It uses on-board intelligence to determine average values over user-determined time scales to provide insights that can be used directly within existing systems.

The NEON Temperature Transmitter and thermocouple assembly can be installed on existing assets and monitors changes or absolute extremes in temperature. By monitoring these in a variety of locations, insights can positively benefit operations. With the industrial thermocouple or RTD connected, extremely low temperatures can be measured, such as hydrogen or high temperatures that are found within furnaces, and everything in between. As a standard, the NEON Temperature Transmitter connects with a Type K thermocouple, other types of thermocouples can be specified by the customer on request, making the sensor fully flexible for integration. All in the reliable NEON form factor that comes as a battery-powered I-IoT device, communicating wirelessly via LoRaWAN, with the option for an IECEx / ATEX Zone 0 certification, if required or wanted.

IECEx / ATEX Zone 0 certified variant

Designed for industry from the very beginning, IMI’s 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 >10 year lifetime (varies by environment and system). It has been tested and certified to work in conditions from -40° to 80° 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 fully remotely configurable, ensuring not only longevity but also reliability within an operation.

Additionally, IMI delivers spare parts and product lifecycle support. It has an extremely long battery lifetime which is why, the sensor can continue to be used with the correct refurbishment kit. This way, periodical maintenance can be kept at a minimum.

The NEON Temperature Transmitter can be installed / mounted using various methods. The thermocouple or RTD desired, can be specified by the customer. The sensor is flexible and adapts to the various types.

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Making extreme temperature data visible remotely for smarter, safer, and more efficient industrial operations
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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

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LoRaWAN transmitter for connection to thermocouple or RTD-PT100

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Process temperature -200°C to 1820°C

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IECEx zone 0 / ATEX zone 0 certified

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10-year battery life (depending on environment)

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Designed for hazardous environments

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Fully LoRaWAN compatible

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Based on the highest security standards

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100% ownership of data

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Delivered with unique provisioning keys

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Deployment via the SolidRed Provisioning App

10

Years of battery life

Range

-270°C to 2,300°C (-454°F to 4172°F) depending on the type of thermocouple

Zone 0/1

IECEx / ATEX Zone 0/1 Certified

Case Study

Temperature monitoring at wellheads in Iraq

Wellhead monitoring in harsh conditions is essential for safety and reliability. NEON Temperature Transmitters provide continuous data and remote visibility, helping operators maintain well integrity and reduce manual intervention.
A-view-of-an-oil-pump-field

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

Maximum RF output power

+14 dBm

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

Supported thermocouples (Sensor type and input range)

B: 400°C to 1820°C (752°F to 3300°F)

E: -100°C to 1000°C (-148°F to 1830°F)

J: -100°C to 1200°C (-148°F to 2190°F)

K (Default)*: -180°C to 1372°C (-290°F to 2500°F)

N: -180°C to 1300°C (-290°F to 2370°F)

R: -50°C to 1760°C (-58°F to 3200°F)

S: -50°C to 1760°C (-58°F to 3200°F)

T: -200°C to 400°C (-328°F to 752°F)

*Online configurator can be used to adjust settings

Thermocouple additional specification

Input: M12 Connector; 4 Pins / A coded / female

Accuracy: ±0.1% of span

Temperature effects per 10°C: ±0.5% of span

Units: °C (°F supported on request)

Open circuit monitoring: Yes

Calibration: Factory calibrated

Cold junction compensation: Integrated digital measurement.

Supported RTD sensors

PT100: -200°C to 400°C (-328°F to 752°F)

x2 2 wire PT100 sensors

x1 3wire PT100 sensor

Thermocouple additional specification

Input: M12 Connector; 4 Pins / A coded / female

Sensor type: PT100

Input range: -200°C to 400°C (-328°F to 752°F)

Accuracy: ±0.1% of span

Temperature effects per 10°C: ±0.05% of span

Units: °C (°F supported on request)

Interface: Three-wire system (Reference current < -1.0 mA)

Open circuit monitoring: Yes

Short circuit monitoring: Yes.

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

Use case (Temperature)

Heat exchanger

Steam systems

Well head monitoring

Heat tracing

Asset Monitoring Software

Spot issues early with SolidRed

SolidRed software uses data from your facility’s sensors to give you clear reports and early alerts. Stay ahead of problems and keep your operations running smoothly.
Industrial tablet showcasing SolidRed analytics with dynamic green accent

Resources

Documents

Product Model

file-name
IMI TWTG - NEON Temperature Transmitter - BrochureNEON Temperature Transmitter Trifold Aw DIGITAL.pdf
file-name
IMI TWTG - NEON Temperature Transmitter - Product-Manual - DS-TT-02-00 4001 B1NEON Temperature-Transmitter Product-Manual DS-TT-02-00 4001 B1.pdf

Software

file-name
IMI TWTG - encoder tt rev-4encoder tt rev-4.js
file-name
IMI TWTG - decoder tt rev-6decoder tt rev-6.js
file-name
IMI TWTG - NEON-Temperature-Transmitter Communication-Protocol-v4 DS-TT-xx-xx 4003 4 A2NEON-Temperature-Transmitter Communication-Protocol-v4 DS-TT-xx-xx 4003 4 A2.pdf
file-name
IMI TWTG - decoder tt prot-4 examplesdecoder tt prot-4 examples 1 .js
file-name
IMI TWTG - encoder tt prot-4 examplesencoder tt prot-4 examples 1 .js

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