Isotech did introduce a new type of ITS-90 Calibration Device.
These devices use a siphonic cell – a combined heat pipe and ITS-90 Fixed Point Cell. Additionally an immersion compensator provides an isothermal zone to compensate for stem conduction problems.
The result is an affordable calibration solution providing performance that previously has required large and expensive furnaces and cells.
These “ITS-90 Isothermal Towers” are available in four models covering the Indium 156°C, Tin 232°C, Zinc 419°C and Aluminium 660°C Fixed PointsDescription

The leading Primary Laboratories use large fixed point cells in deep calibration furnaces that utilize Heat Pipes to eliminate temperature gradients. This combination of cell and furnace gives the smallest of uncertainties. In Isothermal Towers the fixed point cell and heat pipe (or heat siphon) have been combined (patent applied for) to produce the ideal realizations for calibrating standard thermometers.
Thermometers can only be calibrated accurately if they are immersed sufficiently. In Isothermal Towers a heated block (Immersion Compensator, patent applied for) sits on top the heat siphon/cell to fully compensate for the immersion characteristics of the unit under test.

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Arnold Memelink

Arnold Memelink

ABB

"The ABB Power Grids Jumet organisation is an innovative development and production facility of ABB that manufactures active filters and battery energy storage systems to support a stable grid. To test these systems we have acquired two Cinergia GE/EL +120kVA eplus units capable of doing grid emulation (AC + DC), operating as an electronic load (AC +DC) and being a battery emulator. We have experienced very good support from TTMS in obtaining these two Cinergia units. This included organising an on-site demonstration and supplying loan systems prior to the delivery of our final systems. This way we could start testing as early as possible. TTMS also organised training for the operators from the original manufacturer. This support allowed us to introduce the first battery energy storage systems even prior to the full delivery of the Cinergia systems."

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Sasan Rafii-Tabrizi

University of Luxembourg

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