Kruss Manual Sampler Hydrometer are hydrometers that dispense samples manually through a syringe. Kruss manual sample hydrometers are divided into 2 sets, suitable for a variety of sample volumes and viscosity:

• DS7700 and DS7800 Set 1: Syringe manual sample hydrometers
• DS7700 and DS7800 Set 2: Hydrometers that measure manual samples using syringes as well as highly corrosive samples