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    Series 634ES Adjustable Range Pressure Transmitter

    Adjustable Range Pressure Transmitter
    0.5% Full Span Accuracy, Ranges to 5000 psi

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    Series 634ES Adjustable Range Pressure Transmitter

    0.5% Full Span Accuracy, Ranges to 5000 psi

    Series 634ES Transmitters sense a single pressure for air, compatible gas or liquid and provide 4-20 mA output signal. Positive pressure can be measured within an accuracy of ±0.5% of span. The Series 634ES uses an isolated piezoresistive pressure sensor to produce a resistance change across a wheatstone bridge. Convenient 2-wire operation simplifies installation. Zero and span adjustments are fully protected inside a rugged die cast aluminum housing with durable gray polyurethane finish. Enclosure is designed to meet NEMA 4X requirements.

     

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    Model Chart
    EXAMPLE 634ES 0 AT Series 634ES-0-AT Adjustable Range Pressure Transmitter, range 10-20 psi, with aluminum tag.
    SERIES 634ES     Adjustable Range Pressure Transmitter
    RANGE   0
    1
    2
    3
    4
    5
    6
    7
    8
    9    		   10-20 psi
    20-40 psi
    40-60 psi
    60-120 psi
    100-250 psi
    250-350 psi
    350-600 psi
    600-1250 psi
    1250-2500 psi
    2500-6000 psi
    OPTIONS     AT
    NIST
    PRESET
    ST    		 Aluminum Tag
    NIST Certificate of Calibration
    Preset
    Stainless Steel Tag
    Service: Compatible, gases & liquids.
    Wetted Materials: Types 316, 316L SS.
    Accuracy: ±0.5% F.S.
    Stability: ±1% F.S./yr.
    Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
    Compensated Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
    Pressure Limit: 1.5x maximum pressure range.
    Thermal Effect: ±0.025% F.S./°F (0.045% F.S./°C).
    Power Requirements: 10 to 35 VDC (2-wire).
    Output Signal: 4 to 20 mA.
    Zero and Span Adjustments: Protected potentiometers located in auxiliary housing.
    Loop Resistance: 1250 ohms DC max.
    Current Consumption: 38 mA DC max.
    Electrical Connections: Terminal block.
    Process Connection: 1/4" (6.35 mm) female NPT x 1/2" (12.7 mm) male NPT.
    Enclosure Rating: Designed to meet NEMA 4X.
    Mounting Orientation: Not position sensitive.
    Weight: 1 lb 10.6 oz (754 g).
    Agency Approvals: CE.