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    Series 616WL Differential Pressure Transmitter

    Differential Pressure Transmitter
    Low Ranges Down to 0.25" w.c. (60 Pa), NEMA 4X Housing

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    Series 616WL Differential Pressure Transmitter

    Low Ranges Down to 0.25" w.c. (60 Pa), NEMA 4X Housing

    The SERIES 616WL Differential Pressure Transmitter senses very low pressures of air and non-combustible, compatible gases and sends a standard 4-20 mA output signal. All models, including those featuring the 3 digit LCD digital read-out, are factory calibrated to specific ranges as listed in the chart below.

    Positive, negative and differential pressures can be measured within a full span accuracy of ±0.50%. This weatherproof unit is enclosed in a polycarbonate case, designed to meet (IP66/NEMA 4X). Internal digital push button zero and span allow for quick and simple field calibration.

    Product Applications

    • Low pressure applications
    • Outdoor HVAC
    • Dust collection
    • Roof-top equipment
    More Information
    Model Chart
    EXAMPLE 616WL 1 AT Series 616WL-1-AT Differential Pressure Transmitter, range 0-0.10" w.c., with aluminum tag.
    SERIES 616WL     Differential Pressure Transmitter
    RANGE   2
    4
    12
    14
    22
    24
    32
    34    		   0 to 0.25" w.c.
    0 to 1.00" w.c.
    0 to ±0.25" w.c.
    0 to ±1.00" w.c.
    0 to 60 Pa
    0 to 125 Pa
    0 to ±60 Pa
    0 to ±125 Pa
    OPTIONS     AT
    LCD
    NIST
    PRESETD    		 Aluminum Tag
    Liquid Crystal Display
    NIST Certificate of Calibration
    LCD Display Set to 0-100%
    Service: Air and non-combustible, compatible gases.
    Wetted Materials: Consult factory.
    Accuracy: ±0.50% F.S., display accuracy ±0.5%.
    Stability:±1% F.S./yr.
    Temperature Limits: 0 to 140°F (-17.8 to 60°C).
    Compensated Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
    Pressure Limits: See Catalog page.
    Thermal Effect: ±0.02% F.S./°F (0.036% F.S./°C).
    Power Requirements: 12 to 30 VDC (2-wire).
    Output Signal: 4 to 20 mA.
    Zero and Span Adjustments: Digital, Push Button Adj.
    Loop Resistance: DC; 0 to 900 Ω maximum.
    Current Consumption: DC; 38 mA maximum.
    Electrical Connections: Screw-type terminal block.
    Process Connections: Barbed, dual size to fit 1/8" and 3/16" (3.12 and 4.76 mm) I.D. rubber or vinyl tubing.
    Enclosure Rating: NEMA 4X (IP66).
    Mounting Orientation: Vertical, consult factory for other position orientations.
    Weight: Without LCD 17 oz (482 g); with LCD 18 oz (510 g).
    Agency Approvals: CE.
    • NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
    • Easy to read LCD display provides immediate local alerts allowing corrective action to be taken quicker to eliminate the problem from becoming widespread
    • Zero and span controls provides easy calibration checks and shorter installation time to get device running and monitoring
    • High precision accuracy at low pressure ranges provides exceptional accuracy for insuring tight-control and minimizing costly out of specification conditions