First, product characteristics, purpose and scope of 
 1.1 Features 
 ● the XFE Series electromagnetic flow meters, has the following characteristics: 
 ● from the fluid density, viscosity, temperature, pressure and electric rate change, the linear measurement principle can achieve high-precision measurements; 
 ● measuring tube unimpeded flow, pressure loss is small and low, straight pipe requirements; 
 ● Nominal Path ND6 was-DN2000 cover a wide range of liners and electrodes have several options to meet the requirements of measuring a variety of conductive fluid; 
 ● converter with programmable frequency low-frequency square wave excitation, and improve the stability of the flow measurement, the power loss is small; 
 ● 16-bit embedded microprocessor in the converter, all-digital processing and computing speed, strong anti-interference ability, reliable measurement, high accuracy flow measurement range of up to 1500:1; 
 High-definition backlit LCD display, full Chinese menu operation, easy to use, simple operation, easy to learn; 
 ● RS485 or RS232O digital communication signal output; 
 ● has a conductivity measurement can distinguish the sensor whether the air traffic control, with self-test and self diagnostic functions; 
 ● SMD devices and surface mount (SMT) technology, circuits and high reliability; 
 ● can be used in explosion-proof occasions. 
 1.2 The main purpose 
 XFE series electromagnetic flow meter can be used to measure the volume flow of conductive fluids in closed conduits. Widely used in petrochemical, iron and steel metallurgy, water supply, drainage, irrigation, water treatment, environmental protection, sewage and Control, paper, pharmaceutical, food and other industrial and agricultural production in the process of flow measurement and control. 
 1.3 Environmental Conditions 
 Ambient temperature: Sensor -25 ° C ~ +60 ° C converter -10 ° C to +60 ° C 
 Relative humidity: 5% -95% 
 1.4 The working conditions 
 Maximum temperature of fluid: a size 70 ℃ 
 Separation type: PTFE lining 150 ° C 
 Neoprene lining 80 ℃ 
 Polyurethane rubber lining 70 ℃ 
 Fluid conductivity: ≥ 5uS/cm