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 1003. This is lightweight and portable. It is ideally suited for site applications. It is capable of housing one sensor. These are available in two models. Stallion-i -temp.Range: amb to 450ºc and stallion-ii -temp.Range: amb to 600ºc. These are provided with interchangeable wells of 7mm, 13mm and 19mm. They come with following technical specifications: