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JOWA - Vanguard IV Level Gauging System

  • RS232 / 485 interface to control system

  • Level and volume with optional temperature and inert gas pressure data

  • Utilizes rugged resistance-tape sensors

  • Sensors totally accessible from tank top

  • Flexible resistance-tape sensors follow the contour of J-shaped ballast tanks

  • One sensor technology serves cargo, ballast, service and draft

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The industry trend of integrating onboard instrumentation systems requires a streamlined approach to tank gauging. JOWA USA has responded to this demand with the Vanguard Level Gauging System, a simple, low cost solution that delivers high performance. The Vanguard System provides the critical link between JOWA USA’s reliable resistancetape level sensors and the centralized control system aboard any vessel type, including tankers, container vessels, gas carriers and FPSO’s.

The Vanguard Level Gauging System sends tank level, temperature, volume, inert gas pressure and draft data via an RS232 / 485 interface to any shipboard control system. This direct serial data communication provides a cost advantage over traditional analog systems. Vanguard delivers more accuracy than traditional ballast, fuel, and draft gauging methods, resulting in better operational control and more efficient vessel management.

Technical Data: Channels: 120 Maximum in groups of 30, intrinsically safe or non-intrinsically safe Operating Temperature: Electronics 0-50°C (refer to sensor data sheets for sensor temperature data) Output: RS232/485 Modbus, other protocols available Input Power: 115VAC ±30% 60HZ, 230VAC ±30% 60 HZ. Integral power isolation unit converts to 120VAC Relays: 13 total; 8 level/temp/inert gas pressure, 1 system fault, 2 horn, Form C 3 Amp at 220VAC, 2 API 100mA at 50VDC Enclosure: NEMA 12 for indoor mounting, hinged left. Cable entry from bottom of cabinet Weight: 54kg (120 lbs.)

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