Model 7380 provides ultracold temperatures for precise calibration of temperature sensors. Offered by Hart Scientific Inc., the metrology bath operates from -112 to 212°F (-80 to 100°C) and maintains stability and uniformity better than I0.03°C throughout the entire range. Bath is equipped with two 0.25 hp compressors. Alcohol solutions and halocarbon 0.8 cold bath fluid may be used in the 1-gal tank for low temperatures; water, silicone oils and other fluids may be used for higher temperatures.
January/February 2001, RS# 221