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Magnetrol has announced that its Eclipse 705 two-wire guided wave radar (GWR), introduced 13 years ago, is still being used in highly critical applications.

The Eclipse 705 is type approved for steam drums, EN 12952-11 (water tube boilers) and EN 12953-9 (shell-type boilers) as ‘primary safety’ and ‘secondary safety’.

Combined with a 7MS probe, the device can be used in saturated steam applications at a pressure of 155 bar at an equivalent temperature of 345C.

Additional diagnostic tools allow the user to integrate this transmitter into highly demanding safety instrument loops.

The device has a safe failure fraction (SFF) of 91 per cent.

It is possible to install two or three Eclipse devices on one external cage for specific applications.

Even when installing only two devices in one cage a SIL3 safety level can be obtained.

Adding a third device to the same cage assures continuity to the production process.

The three obtained individual level signals increase the overall reliability.

A typical example for such an extreme safety application can be found in the power generation sector where accurate monitoring of water levels in steam drum and boilers is vital.

It is a challenge maintaining constant liquid level in the upper part of the drum in order to provide the proper quality of steam.

Instrumentation must withstand high temperatures and pressures.

Guided wave radar for safety critical applications

Magnetrol has announced that its Eclipse 705 two-wire guided wave radar (GWR), introduced 13 years ago, is still being used in highly critical applications.

The Eclipse 705 is type approved for steam drums, EN 12952-11 (water tube boilers) and EN 12953-9 (shell-type boilers) as ‘primary safety’ and ‘secondary safety’.

Combined with a 7MS probe, the device can be used in saturated steam applications at a pressure of 155 bar at an equivalent temperature of 345C.

Additional diagnostic tools allow the user to integrate this transmitter into highly demanding safety instrument loops.

The device has a safe failure fraction (SFF) of 91 per cent.

It is possible to install two or three Eclipse devices on one external cage for specific applications.

Even when installing only two devices in one cage a SIL3 safety level can be obtained.

Adding a third device to the same cage assures continuity to the production process.

The three obtained individual level signals increase the overall reliability.

A typical example for such an extreme safety application can be found in the power generation sector where accurate monitoring of water levels in steam drum and boilers is vital.

It is a challenge maintaining constant liquid level in the upper part of the drum in order to provide the proper quality of steam.

Instrumentation must withstand high temperatures and pressures.

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