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      1. 產品展示



        • p680.jpg








        Service intended

        P680 series are differential pressure gauge is designed to measure differential pressure from 25 kPa to 2.0 MPa at static pressure 10 MPa. A set of two stainless steel bellows mounted on a force balance allows direct reading of the actual differential pressure. The contacts uses a reed switch for warning and control applications.

        Nominal diameter 150 mm
        Accuracy ±1.0 % of full scale
        ±1.5 % of full scale
        Scale range (MPa, kPa, bar, mbar) 0 ~ 25 kPa to 0 ~ 0.25 MPa (P681 model)
        0 ~ 0.4 MPa to 0 ~ 2.0 MPa (P682 model)
        Static pressure Max. 10 MPa
        Working temperature Ambient : -20 ~ 65 °C
        Fluid : Max. 100 °C
        Degree of protection EN60529/IEC529/IP65
        Temperature effect Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately
        ±0.5 % per 10 ℃ of full scale

        Standard features

        Pressure connection Stainless steel (316SS), Monel and Hastelloy-C
        Element Bellows
        Stainless steel (316SS), Monel and Hastelloy-C
        Case and cover ALDC12.1, black painted Screwed type
        Window Safety glass
        Dial White aluminium with black graduations
        Filling liquid for differential cell Silicone oil
        Pointer Black painted aluminium alloy (Zero adjustable)
        Contact Reed switch, One and two SPST
        Conduit connection ¾" PF(F)
        Process connection ¼" NPT(F)
        ½" NPT(F) at 3-way and 5-way manifold valve
        Standard accessories Mounting bracket for 2” pipe
        mounting with silver gray finished steel
        Option ■ Remote seal - Not available with less than 40 kPa of differential pressure range
        ■ Mounting bracket with 316SS for 2" pipe
        ■ 3-way and 5-way manifold valve
        ■ 3-way and 5-way manifold valve (Monel)