GB/T 3 2710.3 - 2016 "Safety Specifications for Environmental Test Instruments and Equipment, Part 3: Low Temperature Thermostatic Bath" specifies the safety requirements for low temperature Thermostatic bath and high and low temperature Thermostatic bath. The standard covers the safety content of electric shock, electric burn, mechanical hazard, flame spread, excessive temperature, fluid pressure, radiation effects (including laser, sound pressure and ultrasonic pressure), gas release, explosion, implosion, and biological and chemical hazards, but does not include equipment function, performance, Encasement effectiveness, electromagnetic compatibility, explosion protection measures and maintenance personnel protection. The scope of application includes low temperature Thermostatic baths and high and low temperature Thermostatic baths in laboratories and industrial sites, especially immersion devices with active refrigeration but no external circulation function. In addition, related equipment can also be used in industrial processes. Normative references include GB 4208-2008 "Protection level of enclosure (IP code) " and GB 4706 series standards.