FDT-30 Series

Compact Enclosure Large Digital Display 4 to 20 mA, TTL and Turbine Simulated Outputs Rate and Total Displays Clean Liquid Compatible
The FDT-30 Series provides easy and low cost installation by clamping to the outside of existing piping systems. Non-invasive transit time system allows solids to pass through the pipe with no affect on the meter. Y-strainers or filtering devices are not needed. Greater accuracy can be attained in applications consisting of entrained gases. The FDT-30 Series will automatically correct displayed flow rates and electronic outputs. Direct interface is provided to data collection systems via 4 to 20 mA output and either TTL-pulse or simulated turbine meter outputs that are proportional to fluid flow rate. Designed to replace mechanical flowmeters in applications where liquid conditions tend to damage or impede mechanical flow meter operation. No maintenance is required. The FDT-30 Series can be used on applications such as well water and other liquids with moderate amounts of suspended solids or aeration. FDT-30 Series is housed in an enclosure suitable for outdoor mounting. Integral mount transducers are available for pipes 50 mm (2") and smaller.

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SPECIFICATIONS

Liquid Types: Most clean liquids, or liquids containing moderate amounts of suspended solids

Power: 11 to 30 Vdc @ 0.25 A

Velocity: 0.03 to 12.4 MPS (0.1 to 40 FPS)

4 to 20 mA Output (Standard): 12-bit resolution; source power; 5V max insertion loss; 900 Ω max loop impedance; can share ground common with power supply-isolated from piping system

Turbine Frequency Output (TTL Pulse): Switch selectable; non-ground referenced AC, ground referenced squarewave; 100 mV pp min/5 Vdc amplitude; 0 to 1 kHz range; 50% ±10% duty cycle

Display: 2 line x 8 character LCD alternates between rate and total in 10 second intervals

Top Row: 18 mm (0.7"), 7-segment

Bottom Row: 9 mm (0.35"), 14-segment

Rate: 8 digits max

Totalizer: 8 digits max; exponential multipliers from -1 to +6

Units: Feet, gallons, ft³, million-gal, barrels (liquid and oil), acre-feet, lbs, meters, m³, liters, million-liters, kg; rates programmable for per: sec, min, hr, or day

Operating Ambient: -40 to 85°C (-40 to 185°F)

Enclosure: NEMA 3 ABS, PVC and Ultem, brass or SS hardware

Dimensions: 75 W x 150 L x 63 mm D (3 x 6 x 2.5")

Transducer Type: Clamp-on for pipe mount; time of flight ultrasonic Accuracy: ±1% rdg @ rates > 0.3 MPS (1 FPS); ±0.003 MPS (0.01 FPS) @ rates < 0.3 MPS (1 FPS)

Repeatability: ±0.5% rdg

Response Time: 0.3 to 30 sec, adjustable

Protection: Reverse polarity, surge suppression

Pipe Sizes: 12 to 50 mm (0.5 to 2")

Pipe Materials: Carbon steel, stainless steel, copper and plastic

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