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PRODUCT SPECIFICATION SHEET
Portable Electronic Gauging Tapes
CLOSED (GAS-TIGHT) and RESTRICTED
MMC is the world's leading manufacturer of portable instruments for measuring ullage, oil-water interface, temperature, and bottom dryness in shipboard and land-based petroleum and chemical tank systems. All MMC systems are manufactured in the United States and are certified as intrinsically safe by Factory Mutual, SIRA/BASEEFA and CSA.
A, above, is the front view of the Flexi-Dip CLOSED Gauging Tape. B is the rear view of the same unit. C is the Flexi-Dip RESTRICTED Gauging Tape. All units are shown connected to MMC's type "MB" vapor control valve.
FLEXI-DIP Closed Trimode Gauging TapeThe Portable Closed Flexi-Dip measuring tape is a battery-operated electronic unit that is totally gas-tight. When installed in a vapor-control valve mounted on a storage (cargo) tank, it forms a tightly sealed system that prevents toxic vapors from escaping and creates a closed gauging system for that tank. The tape is marked in metric or english units and is anti-static coated (as is the sensor). In addition, the tape is color marked to make tape direction and motion easily seen and to ensure full rewind position. A coiled grounding cable with large alligator clip is standard. This closed system is recognized by many worldwide regulatory bodies as equivalent to a fixed gauging system as long as the tape remains in the valve from the beginning until the end of loading or discharging of the tank.
Product Temperature Limits: -40° F (-40° C) to 190° F (88° C).
Battery: 9-Volt Duracell MN1604.
Tape Lengths: 50 ft. (15m), 75 ft. (25m), 100 ft. (30M).
Typical Weights: 14 lbs. (6.4 KG).
Pressure Limits: 3 psi working, 7.5 psi maximum.
Approvals: Intrinsically safe--FM, BASEEFA, CSA, NKK (Japan).
FLEXI-DIP Gauging Tapes (Restricted and Open)Restricted and Open Gauging Tapes provide a convenient and accurate means for measuring ullage, product temperature and the oil-water interface. The units are configured to operate in the trimode, bimode, interface or temperature mode. Each instrument is designed to maximize ease of use. A single penetration of each tank can provide comprehensive data about internal tank conditions. When the electronic probe senses hydrocarbon, a steady tone is heard; when sensing water, it emits an intermittent tone. Temperature is shown on an LED display in the hub of the instrument.
Operation: U-Ullage, I-Interface (oil/water), T-Temperature.
Note: Calibrations for Temperature and Linear Measurement Accuracy are performed in accordance with the instruments and procedures in NIST Test No. 250972 and MIL-STD-45662A, and in a manner that meets or exceeds API industry standards. Certification documents are available upon request.
All MMC Flexi-Dip Gauging Tape systems come with a sturdy, molded plastic carrying case for convenient transportation and safe storage, and include a spare battery and instruction manual.