NEULOG Drop Counter Logger Sensor 12 bit ADC Resolution Logger sensor for counting fluid drip rates Can be used in lab and field environments including titration experiments for further study Plastic probe for counting drops Required accessories.To use sensors you will need either: a USB Module (USB 200) to connect via USB cable to PC or Mac or a Wi-Fi Module (WIFI201) and battery (BAT200) to connect to any Wi-Fi enabled device (Smart Phone Tablet Computer) Drop counter gate with three threaded holes and threaded utility rod for attaching to lab equipment