Introduction About This Manual This manual describes the PASCO OS-8537 Educational Spectrophotometer Accessory Kit and the PASCO OS-8539 Educational Spectrophotometer System.The OS-8537 Accessory Kit is designed to be mounted on the Optics Bench of the OS-8515 Basic Optics System. Components of the Kit The OS-8537 Educational Spectrophotometer Accessory Kit(see Figure la)includes the following items: Spectrophotometer Base Degree Plate with Light Sensor Arm Grating Mount Grating(~600 lines per mm) Focusing Lens Collimating Lens Collimating Slits Cuvettes (2) Rod Stand Mounting Brackets(2) Grating Degree Plate Grating Mount Light Sensor Amm Spectrophotometer Base Rod Stand Mo nting Clamps (2) Pinion' Collimating Slits Cuvettes (2) Focusing Lens Figure 1a:Educational Spectrophotometer Accessory Kit (*The pinion shown in Figure la can be mounted on a post on the Spectrophotometer Base when not in use. Recommended Equipment for use with the Spectrophotometer Accessory Kit: Basic Optics System(OS-8515) High Sensitivity Light Sensor(CI-6604) Aperture Bracket(OS-8534) Rotary Motion Sensor(CI-6538) Components of the System 33 Introduction About This Manual This manual describes the PASCO OS-8537 Educational Spectrophotometer Accessory Kit and the PASCO OS-8539 Educational Spectrophotometer System. The OS-8537 Accessory Kit is designed to be mounted on the Optics Bench of the OS-8515 Basic Optics System. Components of the Kit The OS-8537 Educational Spectrophotometer Accessory Kit (see Figure 1a) includes the following items: Spectrophotometer Base Degree Plate with Light Sensor Arm Grating Mount Grating (~600 lines per mm) Focusing Lens Collimating Lens Collimating Slits Cuvettes (2) Rod Stand Mounting Brackets (2) (*The pinion shown in Figure 1a can be mounted on a post on the Spectrophotometer Base when not in use.) Recommended Equipment for use with the Spectrophotometer Accessory Kit: Basic Optics System (OS-8515) High Sensitivity Light Sensor (CI-6604) Aperture Bracket (OS-8534) Rotary Motion Sensor (CI-6538) Components of the System