1. Brief Introduction
LU-50 is suit for flow measuring of each kind of liquid, gas and vapor, and will carry on the compensation calculation according to the measured medium’s temperature and pressure. It has many input methods, may connected with frequency pulse sensor such as vortex or other flow transmitter of 0-10mA output or 4-20mA output.
LU-50 adopts the looking for form compensation method, may carry on high precision compensation calculating for excessively hot vapor, saturated steam and has many display method, may display the accumulated flow, instant flow, pressure, temperature frequency, density and time, the display interval can be set willfully.
LU-50 may set ten different flow constant according to the different input frequency, and will automatically calibrate the flow constant with interpolation algorithm.

2. The main Technical Parameters
◆Input accuracy: ± (0.2%F.S+1) digit
◆Flow signal: >2V pulse, 0-6.5KHz frequency，0-10mA、4-20mA current
◆Pressure signal: 0-10mA、4-20mA current
◆Temperature signal: Pt100
◆Output signal: instant flow transform output current 0-10mA or 4-20mA, can be set willfully, the transform range can be set willfully.
◆Alarm output: AC220V/3A
◆Output voltage: DC12V/50mA, DC24V/50mA
◆Communication connection: RS232, RS485
◆display method: instant flow is 4 bit numerical Code to display, decimal point automatically shifting.
             Accumulated flow is 8 bit numerical code to display, decimal point automatically shifting
◆Data preserve capacity: data can be preserved for 10 years when electricity fall
◆measuring range ultra: Display Sb
◆sampling rate: 0.8 seconds
◆power voltage: 85-264VAC
◆power consumption: 4W

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