Isco 1640 Liquid Level Actuator VOC Detectors (PIDs & FIDs) recognized around the world as

recognized around the world as the most accurate method for measuring moisture

This feature permits GilAir Plus calibration at ground level and sampling at high elevations or deep mines without loss of flow accuracy or the need to calculate and use manual correction factors

battery-operated meter that uses sound waves to measure well water level

first responders

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Isco 1640 Liquid Level Actuator VOC Detectors (PIDs & FIDs) recognized around the world asThe 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