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MPM489W

Operation Manual

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Summary of Contents for MPM489W

Page 1: ...MPM489W Operation Manual...

Page 2: ...tion Maintenance and Fault Diagnosis 15 8 Responsibility 16 Our company reserves the modification right for this operation manual due to renovation of production technology and craftwork If some infor...

Page 3: ...the top of the transmitter protects the steel diaphragm of the transducer yet allows the water free access to it The waterproof cable sealed tightly to the housing The reference tube is in the cable...

Page 4: ...Error Range 10mH2O 0 2 FS year Range 10mH2O 20mmH2O year Temperature Drift Zero Drift FS Drift Range 10mH2O 0 02 FS 0 05 FS Range 10mH2O 0 05 FS 0 05 FS Operation Temperature 10 60 Intrinsic safety 20...

Page 5: ...ient Ui 28VDC Ii 93mA Pi 0 65W Ci 0 044uF Li 0mH ATEX Ui 28VDC Ii 115mADC Li 0mH Ci 0 055uF Pi 0 66W 2 wire Ui 26VDC Ii 140mADC Li 0mH Ci 0 055uF Pi 0 66W 3 wire Ui 15VDC Ii 200mADC Li 0mH Ci 0 0451uF...

Page 6: ...lease specify a connection box is to be connected to MPM489W when ordering Indicator only for transmitter with 2 wire 4mA 20mADC output and connection box Ye indicator could be provided according to t...

Page 7: ...with transmitter special amplifying circuit by wires see Fig 4 Due to the good linearity relationship between the electric signal of Wheatstone bridge on the sensitive chip and the measured pressure t...

Page 8: ...m the measuring point to the liquid surface or level 5 Unpacking Storage and Shipment Enclosed 5 1 Unpacking Attention a Check the package completed or not firstly and the box should be put as the sig...

Page 9: ...ith ambient temperature 20 85 relative humidity no more than 85 and the air in the room without corrosive gas 6 Installation 6 1 Check before Installation Attention before transmitter installation a T...

Page 10: ...ould be installed as Fig 7 protected by steel tube The installation method in the deep well see Fig 7 Steel tube inserted method is usually used The steel tube cannot be bent the diameter of steel tub...

Page 11: ...ter calming equipments are required Method one Insert a steel tube in the water channel see Fig 8 The steel tube wall should be thicker and several holes should be made at different heights on the tub...

Page 12: ...10 Ele ctn ical Co nnec tio n Bo x Fig 8 ELectnical Connection Box Fig 9 Method three see Fig 10...

Page 13: ...terminal definitions on production quality certificate The specific method is to see following steps 6 3 1 Electrical connection method Electrical connection method of transmitter with Two wire 4mA 2...

Page 14: ...onform Standard GB3836 1 and GB3836 4 used for explosive condition When electric is connecting the transmitter and safe barrier should set up intrinsically safe explosion proof system The diffused ind...

Page 15: ...nput ExiaIICT6Ga Exia IIC Fig 13 Transmitter ex proof parameter Safe barrier ex proof parameter Ui 28VDC Ii 93 115mADC ATEX mADC Uo 28VDC Li 0mH Ci 0 0440 055 F ATEX Io 93 115mA DC ATEX Pi 0 65 0 66W...

Page 16: ...cial cable the back pressure cavity of gauge sensor is connected to atmosphere by this tube In the process of installation and operation be sure to keep the reference tube be well connected with the a...

Page 17: ...ation and electrical connection are correct or not before operation Connect the excitation and operate The transmitter could work at once as soon as it is connected with excitation but the output sign...

Page 18: ...nnection conform with the operation manual or not the excitation is correct or not and the reference tube is unobstructed or not If unsuccessful the transmitter may be destroyed please contact our com...

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