Universal Transmission Accessory

Universal transmission accessory, used to hold IR cards, FTIR standards, liquid cells, and short path-length gas cells.  Fits all Thermo Nicolet FTIR models except the IS5 and Summit.  Base is powder coated steel, and angle bracket is acetal, and makes it resistant to most solvents.  Bracket as shown is adjustable in height and along the optic axis (focal point).