Visco-Sampler PP, 200 cm, 650 ml Made of PP or PTFE/FEP (chemically inert). Suitable for use with foodstuffs. Tube-Ø 25 mm, tip-Ø 32 mm. ➀ Visco sampler Very strong suction power for sampling viscous, non-self-flowing substances such as mud, slime, watery clay and soil samples, oils, emulsions, creams. Samples are sucked and ejected via a suction piston. ➁ Liqui sampler For liquid mediums. Compliant with DIN EN ISO 15 528. Practical push-button one-handed operation. For all-layer and target-point/soil sampling. For all-layer sampling, slowly plunge the liqui sampler into the liquid with the button pressed (valve open). Release the button, the valve closes. Withdraw the sampler and remove the sample. For target-point/soil sampling, plunge the liqui sampler down to the target point/soil with the valve closed. Press the button, the valve opens and liquid flows in. Release the button, the valve closes. Withdraw the sampler and remove the sample.