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ClearSign Eye™2024-11-08T16:49:02+00:00

ClearSign Eye™
Pilot Sensor

BECOME AN EARLY ADOPTER

Long Expected Life

Resides outside of Flame Envelope and has all Stainless-Steel Components

Reliable

Permanently mounted in place

Accurate

Able to differentiate the pilot flame from main burner flame

Maintenance Free

Maintenance interval designed to exceed standard turnaround cycles

Ease of Installation

All components are designed for integration into standard systems

Adaptable

All components can be customized to specific customer configurations

Pilot Sensor Industries

Refining

Chemical

Petrochemical

How it Works

The ClearSign Eye™ Pilot Sensor consists of two sensing electrodes situated at the periphery of a flame. A signal is sent from the sending electrode to the receiving electrode through the ionization field of the flame. This signal is then transmitted to the electronics at the base of the unit and back to the control module. The control module analyzes the signal and measures the capacitance between the emitting and receiving electrodes, thereby determining the presence and intensity of a flame.

RetroFit Pilot Sensor

The ClearSign Eye™ RetroFit Pilot Sensor is designed to directly replace flame rods on installed burners without requiring any modification to the existing mounting plate. The sensor assembly is installed using the existing flame rod mounting plate hole.

Product Demonstration

ClearSign has built a Field Demonstration Unit of the ClearSign Eye™ Pilot Sensor to demonstrate the capabilities of the technology to our customers. It was built understanding that many customer sites are in extremely remote locations and the unit would need to be easily transportable. It consists of an industry standard process burner pilot, a propane tank, the ClearSign Eye Retrofit configuration, and the sensor control module.

REQUEST A DEMONSTRATION

FAQ

Q – How do I see a demonstration of the ClearSign Eye?2021-09-20T14:00:30+00:00

Please contact sales@ClearSign.com to schedule a virtual or in person live demonstration of the sensor.

Q – Do the electrodes need to touch the flame?2021-09-20T14:02:14+00:00

No. Unlike a flame rod, the ClearSign Eye™ Pilot Sensor does not have to contact the flame. The electrodes are typically positioned upstream near the perimeter of the flame zone.

Q – Does the sensor pickup nearby flames, such as in a multi-burner furnace application?2021-09-20T14:03:10+00:00

No, the sensor only detects a flame locally and will not produce a signal from nearby flames; this includes adjacent burners as well as opposed burners.

Q – Is the bracket or sensor assembly susceptible to grounding or shorting with wear?2021-09-20T14:16:42+00:00

No. Unlike traditional flame rod and bracket assembly construction, which can wear and crack over time leading to signal issues or shorts, the majority of our components are stainless-steel, including the pilot bracket. This was done to make our ClearSign Eye Pilot Sensor more robust and reliable.

Q – How fast is the response time?2021-09-20T14:21:53+00:00

Very fast! The sensor is capable of measuring at a rate of about 10 microseconds. However, this is much faster than the dynamics of a flame. The sensor typically operates at a more useful millisecond timescale.

Q – Is there a specific brand and/or type of Burner Pilot that is needed for this sensor to be applicable?2021-09-20T14:22:48+00:00

This Sensor was developed to be adaptable to specific customer configurations. The sensor is compatible with any industry standard process burner pilot regardless of OEM.

Q – What is the output of the sensor?2021-09-20T14:23:45+00:00

The sensor control module connects to the customer DIN rail enclosure and provides a dry contact relay output along with the 4-20ma output. The relay output triggers after the set delay time when a “flame off” is detected.

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