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 master temperature gauge and sensors atcal 6000. These are widely used to evaluate the instruments under calibration in a constant temperature baths. The accuracy of these gauges is ±0.25% fsd and they have 3½ digit display .The resolution up to 200ºc is 0.1ºc and above that it is 1ºc. They are offered following models: