Product description of strain type pressure transmitter:
Chip:
Adopt imported pressure sensitive chip; select the chip technology;
High impedance, high precision and high stability;
elastomer:
Imported elastic materials, precision machining integrated structure, strict machining, heat treatment, aging process;
The highest range is 500MPa, and the safety failure pressure is over 750MPa;
More than 1 million service life;
High impedance, high precision and high stability; high pressure, impact resistance and fatigue resistance;
Structure:
Integral structure, without welding connection;
Process connection seal: taper seal, face seal, spherical seal, high strength, impact resistance, fatigue resistance;
Compact and reliable overall structure;
Four core color wire or enameled wire;
Signal processing:
Constant voltage supply, differential bridge output;
With temperature compensation;
Application:
Pressure sensing core of pressure transmitter;
Pressure sensor core;
Pressure measurement in other civil / industrial automation fields
Application fields:
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Steam supply system
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Oil pressure system
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Metallurgical equipment
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petrochemical industry
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Petroleum Pipeline
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High pressure pump
Common problem
Question 1: no output of pressure core?
Reason--------------------------Processing method
Lead open circuit--------------Check leads and repair
Broken Bridge------------------Unable to repair, replace
Poor wire connection----------Rewiring
Question 2: is the pressure core output correct?
Reason----------------------------------------Processing method
Wrong bridge and road connection-------Connect the wires correctly according to the product instructions
External force on chip sealing-------------Check and remove external force
Core or chip damage-----------------------Unable to repair, replace
Question 3: unstable pressure core output information?
Reason-----------------------------------------------------------Processing method
Poor wire contac------------------------------------------------Check leads and repair
External force on chip sealing--------------------------------Check and remove external force
Power supply of constant voltage source is unstable-----Check and repair
Input impedance mismatch of constant voltage source--Replace
Insufficient power of constant voltage source-------------Replace
Overpressure or large impact of elastomer-----------------Replace
Poor insulation--------------------------------------------------Check and repair