This manual is applicable to the model7725i，9725i，3725i-038，3725i, and9125Manual sampler.

model7725i，9725i，3725i-038，3725i, and9125 It is a six way valve in which the sample is loaded through the embedded needle track in front of the valve. model7725iand3725i-038It is made of stainless steel,9125yesPEEKMade.

model3725i-038and3725iIt's receiving1/8``Sample injector for the preparation stage of quantity. Except for the application in the preparation stage, the injector used in the preparation stage is the same as the injector used in their corresponding analysis stage.