Isco 1640 Liquid Level Actuator Water Quality Instraments The 5170V model contains a

The 5170V model contains a fixed orifice with a flow rate 42 to 44 cfm

the APS delivers consistent

(25mm) or 2"

and the sampler remains actuated when the liquid level recedes

Isco 1640 Liquid Level Actuator Water Quality Instraments The 5170V model contains aThe 1640 Liquid Level Actuator provides a simple, reliable way to trigger an Isco sampler to begin a sampling routine when the liquid level reaches a predetermined height. The 1640 comprises a conductivity probe that mounts above the stream, a control box that mounts on the sampler, and connecting cable. It can be used in conjunction with other devices such as a rain gauge or flow meter to trigger sampling on multiple conditions. With the control