The Thermo Scientific Liquid Nitrogen Control System, Model 6214-1, enusres optimal security for critical samples when used with ultra low-temperature freezers. The system injects liquid nitrogen into the cabinet when the cabinet temperature warms to its preset level.
- Temperature is adjustable in 1°C increments to -150°C
- Digital display constantly indicates actual cabinet temperature
- Indicator lights come on when system is activated
- Additional indicator lights when cylinder is empty
- Liquid flow is shut off automatically when freezer door or lid is opened
- System is powered by rechargeable battery
- Low-battery light indicates when battery requires charging