Compact chilled mirror hygrometer gives high accuracy for reliable control of sintering processes

Michell Instruments’ S8000RS chilled-mirror hygrometer offers an accuracy of ±0.1°C, with a wide measurement range of -90 to +20°C dew point, making it the ideal choice for moisture control in a range of metallurgical processes, including sintering. Sintering is a process where powdered metals are bonded together to form light and strong products, from filters to machine parts. Because the powdered metal is not fully melted, the temperatures involved are relatively low – around 600°C – but careful control of moisture is essential to ensure the finished quality. Because the raw material is powdered metal, moisture present in the furnace could cause clumping or, as the moisture evaporates in the heat, large holes being created in the finished product. To avoid this, accurate control and measurement of moisture is vital.

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