Simarine SI-ST107 Tank Level & Voltage Module. The Simarine SI-ST107 is a versatile digital monitoring module designed for advanced tank level, voltage and temperature monitoring in marine, caravan, RV and off-grid applications. Compatible with the Simarine PICO monitoring system, the ST107 provides reliable real time monitoring of fresh water, grey water, black water, fuel tanks, battery voltages and temperature sensors. Featuring 4 resistive inputs, 3 voltage inputs and a programmable alarm relay, the ST107 delivers flexible installation options and seamless integration into existing Simarine systems.Ideal for boats, caravans, campervans, and motorhomes, the ST107 supports a wide range of analog tank senders and voltage based sensors, making it an excellent solution for both new installations and retrofits. Features and Benefits:Monitors up to 7 tank levels using resistance and voltage based sensorsSupports fresh water, grey water, black water, fuel and custom liquid tanksMeasures up to 3 battery voltagesCompatible with NTC temperature sensorsProgrammable alarm relay output for warning systems and automationWide sensor compatibility with analog resistance and voltage sendersFast 100 ms sampling rate for responsive real time monitoringCompact design for easy installation in confined spacesLow power consumption ideal for off-grid and mobile applicationsSeamless integration with Simarine PICO monitoring displays and mobile appsSuitable for marine, RV, campervan and industrial applicationsSupports daisy-chaining with other Simarine expansion modules Specifications:Model: SI-ST107Operating Voltage: 6 – 35 VDCPower Consumption: 2.5 – 3.5 mA @ 12VVoltage Inputs: 3Voltage Input Range: 0 – 75 VVoltage Resolution: 1 mVVoltage Accuracy: ±0.2% to ±0.3%Resistance Inputs: 4Resistance Range: 0 Ω – 65 kΩResistance Accuracy: ±3%Sampling Rate: 100 msAlarm Relay: 1 x Programmable RelayRelay Current: Max 1 ATemperature Sensor Compatibility: NTC 1k, 5k, 10kOperating Temperature: -20°C to +70°CConnectivity: SiCOMWarranty: 2 YearsUser Manual, click here What is Included:1 x Simarine SI-ST107 Tank Level & Voltage Module Important Information:Not what you are looking for? Check out the full range of Monitoring, Components & Accessories here.Please note: This product is a Special Order - ETA 2 weeks. Please contact us to confirm ETA