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      1. 產品展示



        • p690.jpg








        Service intended

        P690 differential pressure gauge series are designed to measure differential pressure from 25 kPa to 2.0 MPa at static pressure up to 10 MPa and have inductive contact. P690 series are designed to control alarm for differential pressure, providing the right time to replace air and sludge filter during the process.

        Nominal diameter 160 mm
        Accuracy ±1.6 % of full scale
        Scale range (MPa, kPa, bar, mbar) 0 ~ 25 kPa to 0 ~ 0.25 MPa
        0 ~ 0.4 MPa to 0 ~ 2 MPa
        Static pressure Max. 10 MPa
        Working temperature Ambient : -20 ~ 65 °C
                       -40 ~ 65 °C (With silicone filling)
        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)
        Element Bellows
        Stainless steel (316L SS)
        Case and cover Stainless steel (304SS) Bayonet type
        Dial White aluminium with black graduations
        Window Polycarbonate
        Pointer Black painted aluminium alloy
        Contact Inductive contact
        Conduit connection M20 x 1.5P
        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
        Certificates NEPSI Ex ia IIC T6 Ga
        Tamb = -25 ~ 56 ºC
        Option ■ Remote seal
        ■ ½" (N)PT female conduit connection
        ■ ¾" (N)PT female conduit connection
        ■ Mounting bracket with 316SS for 2" pipe mounting
        ■ 3-way manifold valve (316SS)
        ■ 5-way manifold valve (316SS)
        ■ 3-way manifold valve (Monel)
        ■ 5-way manifold valve (Monel)