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Sensors • Flow Sensors • Water Flow Sensors

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  • Thomas Products, Ltd., Flow Switch Div.

    Thomas Products, Ltd. offers flow indicator, fixed set point, and adjustable set point water flow sensors. 5200 Series flow indicator sensors come in operating temperatures ranging from -40 to 225°F, operating pressures up to 400 PSI, and flow indication ratings ranging from 1.5 to 5 GPM. 1300 Series fixed set point flow sensors feature housings constructed from bronze materials, and they are designed for the machine tool, HVAC equipment, and coolant system industries. These sensors have proof loads up to 800 PSI and flow settings ranging from 0.75 to 10 GPM.

  • Harwil

    Harwil Corp. offers water flow sensors in the following models: QD Series, Q-4E, Q-16, Q-12CR, and Q-1. These sensors can fit onto pipe sizes starting at 3/4" and up, and they have the following industry applications: spa, pool, carpet cleaner, boiler, water treatment, geothermal, scrubber, etc. Model Q-4E water flow sensors feature continuous maximum temperatures to 180°F, line pressures to 300 PSIG, switch-point adjustment ranges from 4-8 to 25-70 GPM, and SPDT 15 amp switching capacities. These sensors are constructed from plastic, stainless steel, noryl, and brass materials.

  • Futurlec

    Futurlec offers 0.8 to 8.0 L/min flow sensors for water cooler, water dispenser, and commercial/residential water treatment systems. These sensors come in supply voltages ranging from 2.4 to 26V, flow rates ranging from 0.8 to 8.0 liter/min, pressures up to 85 PSI, and temperature limits ranging from 0 to 40°C. They can fit onto 1/4" pipe sizes, and they are constructed from long-living acetal co-polymer materials.

  • Omega Engineering, Inc.

    Omega Engineering, Inc. offers air/water flow sensors for a variety of laboratory, commercial, and industrial applications. These sensors can handle flows ranging from 0.2 to 1000 L/min, pressure ratings up to 500 PSIG, and temperature ratings ranging from 32 to 122°F. They feature 1% liquid accuracies, 0 to 5 VDC outputs, and they are constructed from the following materials: sapphire, FKM, PPS, glass, Pyrex, epoxy, and 316 stainless steel.

  • Keyence Corp. of America

    Keyence Corp. of America offers FD-M Series non-wetted electrode electromagnetic flow sensors. These sensors feature IP65 protected housings, LED flow indicators, dual colored digital displays, conductivity ratings as low as 5μS/cm, and temperature limits up to 185°F. They are constructed without electrodes, paddle wheels, moving parts, or obstructions.

  • SeaMetrics, Inc.

    SeaMetrics, Inc. offers industrial/municipal water sensors in a variety of configurations. MJ-Series meters feature a dry-top construction, multiple field-changeable pulse rates, 100:1 turn-down ratios, and a rugged epoxy-coated bronze body. They can handle pressures up to 150 PSI, temperatures up to 194°F, pulse rates ranging from 3/4" to 2", and flow rates ranging from 0.22 to 132 GPM. Applications include: deduct metering, industrial water treatment, and cooling tower chemical control.

  • Onset Computer Corporation

    Onset Computer Corporation offers water flow sensors for a variety of applications requiring hot/cold flow rate measurement, e.g. commercial buildings, assisted living communities, apartments, etc. These sensors have measurement ranges from 0.25 to 22, water temperature ranges from 86 to 194°F, lengths up to 5.12", and a nickel-plated brass body construction.