Hebei card meter manufacturers 
 A non-contact card RF card technology: using infinite ways to transfer data, completely solve the waterproof section tide, section attack problems. 
 2. Electric ball valve technology: using the most modern electric ball valve technology, reliable operation, small pressure loss. 
 Fully sealed design: all the lines with a silicone seal, no exposed electrodes. 
 Section 4. Outer point, magnetic attacks technologies: external strong electric and magnetic attack meter will automatically close the valve and instructed. 
 Microcomputer, micro memory technology: highly integrated, highly reliable. 
 The pursuit of better ┫ ▇ ┣ pursuit of quality ┫ ┣ ▇ people-oriented pursuit of excellence ┫ ▇ ┣ ┫ ▇ ┣ ▇ to force to force ▇ 

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 Diaoyu Islands are the main islands of Diaoyu Islands are China's inherent territory, located in the East China Sea, about 356 kilometers away from Wenzhou, about 385 kilometers, Keelung City, about 190 km, an area of ??4.3838 square kilometers surrounding sea area of ??about 170,000 square kilometers. 1972 its administrative jurisdiction "with the Ryukyu" to the Ryukyu Islands in Japan, history does not belong to Japan. Japan over the Diaoyu Islands dispute arising therefrom. Since the 1970s, the Chinese civil society organizations have repeatedly expand "Diaoyu Islands to proclaim sovereignty movement. 
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 The cash used in the table as a data storage and transmission medium; optional ball valve type multi-jet wet Hebei card meter for the base table, the control valve is integrated into the base table, compact structure, high reliability; control valve with no pressure loss structure, amplified by a miniature DC motor through a torque-driven, reliable work; high-capacity lithium battery life of up to 6 years; fully enclosed design, waterproof, moisture-proof, anti-magnetic, anti-attack. Hebei card meter works, what is it? Actually quite simple, because Hebei card the meter housing is fixed, its internal volume is fixed, while the water is flowing, which promote a rotation of the impeller, whenever the impeller rotation, there is a constant volume flow before. Therefore, as long as the rotation of the impeller laps cumulative down, multiplied by this constant volume, you can get the total amount of water flowing through. Principle we have clear, then to look at the specific Hebei card water meter which is what, in order to prevent users on the lid seals, allowed to open. Ceramic alloy the Hebei card meter case and fittings adopted by the aluminum, magnesium, zinc, as well as additives like aluminum alloy as the raw material, the use of the rapid melting and titanium, strontium and rare-earth polyhydric modification technologies and refining solvent raw material melting and melt gravity casting foundry molding purification using metal molding sand core, and strengthened by heat treatment the chemiosmotic and electrochemical oxidation process, ensure the quality of the case. 
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 ? Sensitive components using diffusion or ion implantation process to form a resistor connected in a Wheatstone bridge, with the formation of a pressure-sensitive diaphragm micro-machining technology in electric bridge. When the pressure on the diaphragm, the resistance value changes and generates a linear output signal proportional to an applied pressure. Wheatstone bridge plus a DC power supply, it will produce a DC voltage signal output. After secondary conversion circuit, two-wire 4 ~ 20MA output. 
 ? Features: 
 ? ◆ good stability, a full-scale, zero long-term stability of up to 0.2% FS / year. Compensation temperature range of 0 ~ 70 ℃ temperature drift lower than 0.2% FS, the entire operating temperature range of less than 0.5% FS. 
 ? ◆ reverse protection, current limiting protection circuit, positive and negative reversed installation will not damage the transmitter, abnormal transmitter will automatically limit the flow in less than 35MA. 
 ? ◆ solid-state structure, no moving parts, high reliability, long life 
 ? ◆ from the air pressure to the water, the oil can be a high-precision measurement, from the measured medium quality size. 
 ? ◆ easy to install, simple structure, economic and durable. ┣ ▇ ▇ ▇ ═ - Hebei Hebei card card meter ♂ the meter factory ♂ Beijing tap water meter card meter ♂ ♂ Beijing 
 ? Main technical parameters: 
 ? Measuring range:-100KPa to 0-40MPa 
 ? Maximum Overload: 2 times the standard range 
 ? Form of pressure: gauge pressure, differential pressure 
 ? Accuracy class: 0.25% FS??? 0.5% FS 
 ? Supply Voltage: 24VDC 
 ? Load resistance: ≤ 500Ω 
 ? Measuring medium: steam pressure or gases, liquids 
 ? Long-term stability: ± 0.2%? FS / year 
 ? Ambient relative humidity: 0 to 95% 
 ? Compensation temperature: 0 ~ 70 ℃ 
 ? Operating Temperature: -10 ~ 70 ℃ (highest to do 500 ℃ / to be ordered) 
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 ? Structural characteristics: 
 ? Case: all stainless steel body 
 ? Main structural materials: 31618Cr-12Ni-2.5Mo 
 ? Pressure connection: M20 × 1.5 or user-defined 
 ? Weight: ordinary type 1kg, with table head type 1.2kg 
 ? Debugging method: 
 ? Open the HSM connector, unscrew the stainless steel tube, you can see the zeroing full range resistor, external standard power supply and ammeter (0.2 pole), you can adjust the following steps: 
 ? ◆ In the case of the transmitter is not pressurized, adjust the zero resistor, so the output current of 4mA; 
 ? ◆ Transmitter pressure to full-scale, full-range adjustable resistor, so the output current of 20mA; 
 ? ◆ repeated the above steps two or three times, until the signal is normal; 
 ? ◆ adjustment is completed, tighten the protective cover. 
 ? ◆ where supply products with manual and certification, product number, technical parameters, the date of manufacture, please carefully checked to avoid using the wrong. 
 ? ◆ not use hard objects direct extrusion transmitter diaphragm, so as not to damage the transmitter. 
 ? ◆ should be installed according to the product connection and thread type, check the site interface is consistent with the product interface, tighten the connection to be slow, not directly to the torque applied to the transmitter housing, only added to the pressure on the interface the six-party. 
 ? ◆ connected to the power supply should be strictly in accordance with the wiring instructions I connected. 
 ? ◆ transmitter overload pressure should not exceed 200% of the range. 
 Abnormal? ◆ use, turn off the power, to stop using, check, or direct contact to our technical department. ┣ ▇ ▇ ▇ ═ - Hebei Hebei card card meter ♂ the meter factory ♂ Beijing tap water meter card meter ♂ ♂ Beijing 
 Restore the original packaging? ◆ transport, storage should be stored in a cool, dry, ventilated warehouse. 
 ? ◆ Baohuan year.