Hand-held rechargeable electric water sampler is widely used to capture high-viscosity liquid, and solid-line particle suspension with the body, can be stratified sampling, suction most up to ten meters. Sample flow rate 0 ~ 3000ml/min, rechargeable power supply, easy to carry, suitable for areas without power supply, import portable drive, speed is 0 ~ 1800rpm variable speed, reversing reversible, by the customers.