Labnics Controlled Rate Freezer supports programmable cryopreservation with adjustable cooling and heating rates for controlled sample freezing. Liquid nitrogen dispersal regulates cooling while dual temperature probes monitor chamber and sample temperatures. The microprocessor controller and LCD touchscreen support parameter setting and real-time monitoring. This controlled rate freezer without liquid nitrogen keyword can be included in the product description only if the model supports liquid-nitrogen-free operation Manufactured for biological sample cryopreservation in biotechnology, pharmaceutical and research laboratories this controlled rate freezer supports controlled freezing workflows