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technical article
Related knowledge of precession vortex flowmeter
2011-9-3 10:45:07

旋进旋涡流量计 特点 First , the characteristics of precession vortex flowmeter

电路 结构紧凑 可靠性 高; 1. The circuit using surface mount technology has compact structure and high reliability ;

运用 高性能微处理器和现代滤波技术,软件功能强大,性能 也比较 优越 2. Using high-performance microprocessor and modern filtering technology, the software is powerful and the performance is superior ;

用微功耗高新技术,内、外电源 工作,整机功耗低 3 , using micro-power high-tech, internal and external power can work, low power consumption of the whole machine ;

前后直管段要求 也比较 低,前 直管段大于等于 3DN,后 直管段大于等于 1DN; 4. The requirements for the front and rear straight pipe sections are also relatively low. The front straight pipe section is 3DN or more and the rear straight pipe section is 1DN or more.

没有 机械可动部件 稳定性好 易腐蚀 ,不 机械维修 5 , no mechanical moving parts , good stability , not easy to corrode , no need for mechanical maintenance ;

、 仪表具有 特定的 设置密码功能,防止非法作弊设定 和其它现在的发生 6. The meter has a special setting password function to prevent illegal cheating and other current occurrences ;

、 采用 的是 高对比度的液晶显示器,可 显示瞬时流量 累积流量,读数方便,清晰直观; 7 , using a high-contrast liquid crystal display, can display instantaneous flow and cumulative flow, convenient reading, clear and intuitive;

在停电时, 仪表具有停电数据 保存功能; 8. In the event of power failure, the meter has the function of saving power failure data ;

- 20mA标准模拟信号远传输出, 便于和二次仪表连接。 9. The new ground shows the flow value, and it has a pulse signal and a 4-20mA standard analog signal for long-distance transmission to facilitate connection with the secondary instrument.

旋进旋涡流量计的工作电源 Working power of precession vortex flowmeter

  外电源:24VDC±15%,功耗≤1W 内电源:3V锂电池,功耗≤0.3mW,可使用两年; 1. External power: 24VDC ± 15%, power consumption ≤ 1W ; Internal power: 3V lithium battery, power consumption ≤ 0.3mW, can be used for two years;

2. Pulse signal: Three-wire pulse signal output, transmission distance ≤200m;

3. Explosion-proof grade: Ex DⅡBT4

旋进旋涡流量计的使用条件 Third , the use of vortex flowmeter conditions

- +55℃ Ambient temperature: -30- + 55 ° C

Medium temperature: -30 ~ + 80 ℃

     - 95% Relative temperature: 5% -95%

- 106kPa Atmospheric pressure: 86-106kPa