Veeder-Root’s Hydrostatic Reservoir Sensor accurately detects fluid level change in the reservoir and interstice of a double-wall storage tank or line. Dual-point and singlepoint technology models are ideal for locations with high or low water tables. The Dual-Point Hydrostatic Sensor is ideal for high groundwater areas, and can differentiate between a high-level alarm condition and a low-level alarm condition. If an inner-wall leak occurs, the brine solution seeps into the tank or line primary space lowering the brine level in the reservoir. The Dual-Point Sensor will then trigger a low level alarm. If an outerwall leak occurs, the groundwater seeps into the reservoir. The Dual-Point Sensor will then trigger a high level alarm. The Single-Point Sensor is ideal for low groundwater areas, since it only detects lowlevel alarm conditions. If an inner wall leak occurs, the brine solution seeps into the tank. If an outer-wall leak occurs, the brine solution leaks out of the tank. In both cases, the brine level decreases and the SinglePoint Sensor triggers a low level alarm. This Sensor should not be used to monitor the secondary space of a pressurized line. Hydrostatic Sensor © 2003 Veeder-Root Company • 125 Powder Forest Drive • Simsbury, CT 06070 • USA Telephone: 860-651-2700 • Fax : 860-651-2719 • www.veeder.com VR 13747 P/N 0576047-067 Rev. A VR3/2003 Printed in USA For more information call 1-888-561-7942 Features Dual-Point Sensor alarm conditions: • Leak in inner wall triggers a low level alarm • Leak in outer wall triggers a high level alarm in high groundwater areas; low level alarm in low groundwater areas. • Designed to meet California’s requirement for secondary space monitoring for tanks and lines as required by AB 2481. Single-Point Sensor alarm conditions: • Leak in inner or outer wall triggers a low level alarm in low groundwater areas. • Designed to meet California’s requirement for secondary space monitoring for tanks as required by AB 2481. Temperature Rating Storage: -40 degrees C to + 60 degrees C Operating: -25 degrees C to +50 degrees C Rests in salt brine solution of up to 30% calcium chloride Cable length: 12 feet Standard Models Sensor Form Number:794380-301 Description: Single-Point Hydrostatic Reservoir Sensor Sensor Form Number:794380-303 Description: Dual-Point Hydrostatic Reservoir Sensor Single-Point Sensor Dimensions: 6.0" high, 2.5" diameter Dual-Point Sensor Dimensions: 17.3" high, 2.5" diameter • Withstands removal from reservoir several times a year without sensor damage • Clear plastic housing for visual inspection of float operation Console Series TLS-350R* 8482 TLS-350*/TLS-350J* 8470 TLS-300i 8485 *Note: An Interstitial Sensor Interface Module is required for the use of the Hydrostatic Sensors with the TLS-350, TLS-350J, EMC and TLS-350R Consoles. Hydrostatic Reservoir Sensor Console Capability The Series 7943 Hydrostatic Reservoir Sensor is compatible with the following consoles: Single-Point Sump Sensor shown in 6.0" configuration length. For use with Veeder-Root 300 & 350 Series tank gauges
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