Designed to Work With Wide Connection & Monitoring! Fresh, Gray or Black – keep your waters under control with ST107 module. ST107 is an the ultimate digital module, that allows wide connection (and monitoring) possibilities. It enables monitoring tank levels (up to 7x), battery voltages (up to 3x), temperatures (up to 4x). Operating Power source voltage range 6 – 35 V Temperature range - 20 – +70 °C Power consumption at 12 V Operating 3,5 mA Voltage measuring channels 3 Resistive measuring channels 4 Relay (monostable) Maximum Operating Current 1 A Maximum Common Input Voltage 6 – 30V Voltage inputs Range 0 – 75 V Resolution 1 mV Accuracy ± 0,2 % Sampling rate 100 ms Resistance inputs Range 0 Ohm – 65 kOhm Accuracy ± 3,0% Connectivity Up to Voltage sensors (voltage drop/tank level) 3 Resistive inputs (tank level/temperature) 4 Relay Common Input (COM) 1 Relay Output Normally Open (NO) 1 Relay Output Normally Closed (NC) 1 SiCOM RJ 9 Sockets 2 Installation and Dimension Dimensions (Length x Width x Depth) 110mm x 70mm x 30mm Battery Connection M10 Bolts