It’s 2023 and we all know how telemetry usage has expanded well beyond large bulk tanks. For years now, the technology has been making strides and moving into everything from restaurant carbon dioxide (CO2) to manifolds, bundle packs to hardgoods. There is now even telemetry to monitor how many bags of ice are in freezers outside of convenience stores.
Yet despite these advances some assets have still proved harder to monitor.
One example is liquid cylinders, sometimes referred to as “dewars” or “liquid cans.” These mobile cryogenic assets have long presented a strong business case for telemetry, but being so mobile made it a challenging proposition.
The first hurdle with these assets is measuring how much gas they are holding. It’s a challenge because most of these cylinders do not have differential pressure ports for measuring the volumes within. Scales can sometimes work, but it can be difficult to place cylinders on them, even with ramps. Mechanical float gauges are occasionally a solution, but many existing float gauges have no telemetry-ready outputs.
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