Marine Boat Truck RV Black Water Holding Sewage Tank Level Sensor Sending Unit 0-190ohms 304SS Features:Material: 304 Stainless SteelDesigned for black water holding sewage tank applicationsSensors can be used with all gauge brands that have compatible OHMSConstructed to meet and/or exceed all applicable ISO,NMMA/ABYC and USCG standardsManufactures states that a one inch(25mm) clearance must be maintained between the tank bottom and the float retaining collar in addition to adjacent side or baffle of tank. Specification:1. Material: 304 Stainless Steel2. Resistance output signal: 0-190 ohms 3. Assembly method: SAE standard 5 holes4.For sensor dimensions, please see the listing photos Accessories:5 pieces of M5 screws2 mm thick NBR gasket We can also provide 240-33 ohms signal black water tank level sensors, please see our store listings or contact us directly for details. The listing price does not include any destination duties/taxes/custom fees/etc that will be due when the product arrives at destination countries/regions. It is the customer's responsibility to pay for all custom duty/taxes/custom fees if any. All shipping will be by China Post Registered Air Mail or epacket with shipping tracking number provided. It will take about 3-4 weeks' time to deliver to you after shipping out, some countries/regions may take longer time to deliver. If you want faster delivery, please contact us for express shipping upgrade.