T2700/L and T2900/L Deadweight Tester User's Manual (archive)
User's Manual for T2700L and T2900L deadweight testers that operate in gas but have liquid lubricated pistons. These models are no longer in production. There is a separate manual for T2700 and T2900 deadweight testers that are not liquid lubricated.
Current models are the P3031 and P3032.