NOTICE TO ALL EQUIPMENT USERS
If your gauging device has been equipped with an all Stainless Steel Triple Function Sensor (Material Type 316SS).
The triple functions of this sensor are to detect cargo surface level, Ullage, the Interface between two immiscible
products such as oil and water, and cargo Temperature.
The normal order of the gauging device, response to the products "Ullage level", is a steady horn tone. The normal
response to an "Interface level", ("i.e." between a non-conducting and a electrically conducting product such as a
petroleum product and water, is a "steady" tone changing to a "beeping" tone, at the interface level.
A special note to our chemical customers, is the fact that some chemical cargoes may be inherently
conductive.
Therefore, at the surface of a conductive product's Ullage level, a "beeping" tone will be the normal response.
As a further note to the above, the change in detection of a non-conductive product Ullage level as a steady tone to
that of a conductive product's ullage "beeping" tone, it is not to conclude that the sensor is malfunctioning.
The all stainless steel Triple Function sensor is IMO Resolution MEPC.5 (XIII) approved, and therefore also meets
the International requirements of a petroleum carrier, or a dual classed chemical / petroleum carrier.
We hope that this sensor performs satisfactorily for all your applications and we would appreciate any return
comments you may have concerning its response to various products.
Best Regards,
MMC International Corp.
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