Thermo Scientific access key options for ultra-low temperature freezers

Access Key Options for Ultra Freezers Record who opened the ultra freezer door, when it was opened, and how long it stayed open with optional key cards. Description: Factory installed access key option, card access with five key cards. All orders only together with a TSX, Revco UxF, Forma 89000, TSU or HERAfreeze HFU-T series ultra-low temperature freezer. No individual orders available. For use with (units): TSX Series, Forma 89000, HERAfreeze HLE, Revco RLE and TLE Series Type: Freezer Access Key Unit Size: Each