48SECTION 12 – ACCESSORIES AND SPARE PARTS11.1 OPTIONAL ACCESSORIESPart Code Description of Accessory685 204 10 x 10mm path length cuvette holder685 131 Water heated 10 x 10mm single cuvette holder685 005 10 to 100mm adjustable path length cuvette holder685 304 Micro-cuvette holder685 401 8 position automatic cell changer035 088 Visible calibration set035 091 UV/Visible calibration set060 422 Moulded cuvette rack for 16 10x10mm cuvettes035 143 Pack of 100 disposable micro-cuvettes (70μl)685 035 Prism PC software CD and security dongle685 040 Dust cover11.2 INSTALLING THE PASSIVE AND ACTIVE ACCESSORIESThere are two types of accessories which can be fitted in the sample chamber – passive or activeaccessories. The range of passive accessories includes 10 x 10mm cuvette holders, water heatedcuvette holders, adjustable path length (10 to 100 mm) cuvette holders and micro-cuvette holders.The active accessory is an 8 position automatic cell changer. The instrument must be turned offbefore any accessories are fitted.11.2.1 Passive AccessoriesUnscrew the two fixing screws to undo thepassive accessory. Lift out the passiveaccessory. To fit a different passive accessoryplace the accessory in the correct orientation andre-tighten the two fixing screws to fix in place.To replace the passive accessory with an activeaccessory refer to section 11.2.2.Fixingscrews