Altop industries offers a wide range of temperature calibration products. These are developed to meet modern industry requirements. As part of these products, the company offers fluid less temperature calibration atcal 1001. This is specially designed for use in instrument laboratory. It is capable of housing up to four sensors. These are available in three models including tad/m/cf/l-450 -temperature range: amb. To 450ºc, tad/m/cf/l-600 -temperature range: amb. To 600ºc and tad/m/cf/l-900- temperature range: amb. To 900º. They come with following specifications: