Available with or without ultrasonic level monitor, the Thermo Scientific Locator PLUS indexed rack and box systems allow quick, efficient sample retrieval and offer cost-effective maximum storage capacity (up to 6,000 samples) combined with minimum liquid nitrogen consumption.

• Outstanding temperature uniformity: samples are stored below -180°C even when less than 2 in. (5 cm) of liquidnitrogen remains in the vessel
• Optional Ultrasonic Level Monitor safeguards irreplaceable samples and provides continuous LED readout of liquid nitrogen level
• Optional Low Level Alarm sounds when nitrogen level falls below safe range
• Advanced vacuum insulation minimizes liquid nitrogen evaporation and reduces operating costs
• Secure locking clasp prevents unauthorized entry
• Includes stainless steel racks designed for use with 2 in. (5 cm) Nalgene cryogenic boxes