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Flow controller for PVC pumps mod.100 e 110

Specially Designed for the pumps to 12 V , the device allows to obtain a low-flow sampling up to 40 ml / min or up to 10 ml / min , according to the EPA guidelines on sampling in the field , with the use of the special valve . . To operate , simply connect the controller to the car battery via alligator clips , taking care to observe the polarity and the voltage is set to the minimum , and connect the pump to the controller using the feedback cigarette lighter socket. The system , equipped with a meter cable for connection to the battery , it starts with the pawl "Flow Control" , which also regulates the pumping speed . IMPORTANT The controller can not operate if the supply voltage is below 11 V, this threshold is reached , a safety circuit interrupt the operation. Please see the information sheet of the pumps for details on consumption. To prevent damage to the pump or the regulator itself , be sure to connect the pump to the regulator strictly off via the pawl "Flow Control" . If the regulator were to be powered by a car battery , please note that due to the high performance , the pump has a high consumption and the car , even when on, you may not be able to keep the battery charged sufficiently for a long time.