Replacement Instruction Manuals for your Proweight Batch Weigher cost £10.95 + vat (Standard Delivery Charge is added at the checkout). When ordering, please supply the machine Serial Number or if this is not available, your original Purchase Invoice Number and Date so that we can identify your machine. PLEASE NOTE that without these details we will not be able to supply you with the correct information so if you are in any doubt, call us on Nottingham (0115) 9703778 for advice.