The VSmart Module


VSmart communicates to your SiteSentinel® iSite™ console through a unique wired, wireless or network connection. VSmart uses multi-drop technology to lower installation costs by allowing installers to use fewer wires between the VSmart, probes and sensors.

All digital devices can be multi-dropped directly to a VSmart I.S. Barrier, making installation quick and easy. Using patented proprietary IntelliSense™ technology for probes and sensors, the VSmart automatically detects the type of device connected to it and sends the information directly from the VSmart Module to the SiteSentinel® iSite™ console for easier programming. With a NEMA 4-rated enclosure, the VSmart Module can be located near the tank area (note: not in Zone 0, 1 or 2), which will reduce or eliminate direct wiring runs back to the SiteSentinel® iSite™ console.

Features & Benefits
  • Wireless - Optional single wireless radio antenna installed above ground for higher-power signal and assurance of best possible connection
  • Automated - Automatic probe, sensor density float and LLD on any I.S. channel
  • Installation - Interfaces probes, sensors and LLDs to the SiteSentinel® iSite™ console by multi-dropping through a single I.S. channel
  • Savings - Lowers installation costs by eliminating multiple wiring (home runs) for probes, sensors or LLDs back to the console in the building


Recommended products for replacement

    Technical Information

    The VSmart Module Specifications

    • NEMA 4-rated VSmart enclosure
    • Optional wireless modem
    • Maximum of eight (8) VSmart Modules per SiteSentinel® iSite™ console
    • Number of Probes: Up to 32 Model 924B probes and/or eight (8) flex probes per VSmart Module
    • Probe Length: 924B rigid stainless steel; horizontal tanks up to 12 feet (3.7 m); vertical tanks up to 20 feet (6.1 m) or flexible PVDF for AST applications up to 70 feet (21.3 m)
    • Maximum of 12 Model 327 VLLD Sensors per I.S. Barrier
    • Maximum of 16 probes per I.S. Barrier
    • Maximum of 128 sensors per VSmart module
    • Maximum of 64 IntelliSense™ Sensors per I.S. Barrier
    • Location: Class 1, Division 1, Group D; EEx ia IIA T 4
    • Typical Mounting Location: Outdoor, non-hazardous area
    • Operating Temperature: -40°F to 158°F (-40°C to 70°C)
    • Data Cable: Belden 88760 (18 AWG) maximum of 1,000 feet (305 m) per barrier position; Belden 8871 (22 AWG) maximum of 500 feet (152 m) per barrier position
    • Dimensions: [W x H x D]: 11.3 x 5.6 x 5.8 inches (29 x 14 x 15 cm)
    • Maximum twisted-pair wiring using RS-485: 5,000 feet (1,524 m)
    • Maximum wiring for Ethernet (CAT5/CAT6): 300 feet (91.4 m)
    • Wireless capability extend up to 1,500 feet (457 m) maximum with free line-of-site

    VSmart Certifications

    Intrinsically Safe Module Certifications

    Leak Test Certification

    EPA Static Leak and Continuous Test Certified (ATGS & CITLDS methods):

    • 0.2 gph (0.76 L/hr) Statistical Leak Test Note: 397,000 gallons (1,502,809 liters)/month throughput for single-tank, 2-tank or 3-tank manifold installations; 30,000-gallon (113,562-liter) combined maximum capacity
    • 0.2 gph (0.76 L/hr) Static Leak Test
    • 0.1 gph (0.38 L/hr) Static Leak Test
    • 3.0 gph (11.4 L/hr) Catastrophic Line Leak Test
    • 0.2 gph (0.76 L/hr) Precision Line Leak Test
    • 0.1 gph (0.38 L/hr) Precision Line Leak Testt


    VSmart can handle two (2) four-channel I.S. Barriers.

    VSmart Digital (12-volt) I.S. Module Capabilities

    Ordering Information

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