Rochester Gauges 8640 Series 1 1/2 in. Top Mounting Magnetic Liquid Level Tank Gauge w/ Senior TwinSite Dial – Range: 0-90 Ohm – Fits 14 1/2 in. Tank Depth

Description

The 8600 Series Senior spiral gauges are designed for use in measuring liquid levels in hydraulic, lubricating or fuel-oil storage tanks, and gasoline and diesel fuel levels in stationary, standby and mobile generators. The 8600 Series is not recommended for off-road equipment.The 8640 spiral gauge incorporates a strong nickel-plated Neo magnet capable of driving a TwinSite® sender which provides a direct, fractional reading and also sends an electrical signal to a remote receiver.All 8600 Series spiral gauges have a 1 1/2 in. MNPT tank connection and are suitable for tank pressures up to 25 psig maximum. They are designed for top mounting in tanks.SpecificationsRange: 0-90 OhmMounting: Designed for top-mounting onlyTemperature: Standard operating range is -40°F to 158°F, -40°C to 70°CHumidity: Exposed portions should be painted for marine applications, less dialShock: Shorter styles are suitable for some mobile, off-road applicationsVibration: Shorter styles are suitable for some mobile, off-road applicationsPower: 0.5 watts maximum for TwinSite® versionsTank Pressure: 0 to 25 PSIG [0 – 1,7 Bar] maximumApproval: Direct indicating gauge. Available UL listed for flammable liquids. Some models UL recognized for marine serviceAccuracy: Accuracy depends upon proper gauge sizing and tank set up – TwinSite dials +/-12%ConstructionHead: Die-cast zincGuide Rod: Zinc-plated steelCentershaft: BrassTie Plate, Guide, & Bearing Pin: Stainless steelCenter Shaft Holder & Magnet Bushing: AcetalFloat: Nitrile rubberDrive Magnet: Neo, nickel-platedTwinSite® Sender: PolyamideDownloadsMS-516 Spiral – Installation Guide (PDF Download)