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    AMETEK 675压力变送器的详细资料

    AMETEK 675压力变送器Description 
    The Model 675 is specifically designed for slurry and highly viscous applications where clogging of the sensor area is common. The Model 675 uses a 3.5” flush diaphragm to prevent unwanted clogging of the sensing area. This submersible level device is made of 316SS which offers outstanding environmental protection and is available in depths up to 138 feet of water.

    The non-fouling flush diaphragm and cage assembly are designed to eliminate unwanted buildup of debris, fats, oils, greases, and other bio-solids by eliminating any potential gaps on the measurement area. The high integrity seal’s heavy construction eliminates the effects of turbulence on the sensor.
    AMETEK 675压力变送器

    The 675 Series Transmitters indicate the level of liquid by continuously measuring hydrostatic pressure via its sensing element, an ion implanted silicon semiconductor chip with integral Wheatstone Bridge circuit. Once the sensor measures the pressure, the data is transmitted by a 4 to 20 mA output signal. This design provides for excellent reliability in remote and inaccessible locationss.

    The Model 675 is approved for intrinsically safe operation in hazardous locationss as designated by Class I, Div 1, Groups A, B, C & D and Class II, Groups E, F & G. when used with an approved barrier.

    All Model 675 transmitters are equipped with a sealed cable termination area and moisture absorbing desiccant canister. The purpose is to restrict moisture from entering the transmitter through the cable vent.

    Specifications
     

    RangesUser customizable ranges between 0-6 psi
    (13.8 ft of water) and 0-60 psi (138 ft of water)
    Output4 to 20 mA, 2 wire, current limited to 30 mA DC
    Power Supply12 to 40 VDC with reverse polarity surge protection; Limited to 28 VDC for Intrinsic Safety with Approved Power Supply.
    Loop Resistance1400 ohms maximum at 40 volts
    Temperature Range**Ambient Operating: -25° to 180°F (-32° to 82°C)
    Storage: -40° to 180°F (-40° to 82°C)
    ** If submerged in a liquid that has frozen, damage will result. Limit high temperature to 140°F (60°C) for intrinsically safe operation.
    Overrange Effect±0.15% full scale at 200% of maximum range
    Overrange Limit200% of maximum range
    Burst Pressure3X Upper Range Limit
    Accuracy±0.25% full scale, BFSL (including linearity, hysteresis and repeatability)
    Zero Offset±1.00% full scale set at 77°F (25°C)
    Span±0.50% full scale set at 77°F (25°C)
    Temperature EffectsCompensated: 32° to 122°F (0°C to 50°C);
    Maximum: ±2.5% URL output change for ±25°C temperature change within compensated range when calibrated at 25°C. Consult factory for lower or alternate pressure ranges.
    Power Supply Effect±0.005% full scale per volt
    Diaphragm Seal316L SS construction with 4.75” OD and 3.5” sensing area
    ConstructionDiaphragm: 316L stainless steel
    Housing Type: 316 stainless steel
    Nut/Washer Type: 316 stainless steel
    Cable Grommet: Viton standard. Please contact factory for other options.
    Housing O Ring: Viton standard. Please contact factory for other options.
    Cable Jacket: Polyurethane (Standard). See Model Code.
    Media CompatibilityReference materials of construction
    Electrical ConnectionAttached 22 gauge, vented, polyurethane, shielded, cable. Unspliced lengths available up to 5000 ft. (1662 m
    Weight7 lb. 3 oz (Without cable)
    ApprovalsMeets CSA requirements for intrinsically safe operation in hazardous locationss as designated by Class I, Div 1, Groups A, B, C & D and Class II, Groups E, F & G. Temperature Code T3C (when used with approved barrier).
    Option and AccessoriesDMC Meter Controller and Housing
    Stainless Steel Support Cable (K515183)
    LMA912 - DC Lightning and Surge Protector
    LMA918 - 120 VAC Lightning and Surge Protector
    Dessicant Canister (K234436

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    温馨小贴士:请您仔细阅读产品使用说明书,正确使用本产品。 

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    地址:深圳市南山区前海路振业国际商务中心1206
    :、83983899

     

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