一、进口应力式管道涡街流量计产品概述

应力式涡街流量计是速度式流量计的一种，广泛应用于石油、化工、电力、轻工、动力供热等行业。

二、进口应力式管道涡街流量计性能参数

三、进口应力式管道涡街流量计产品特点

1、无可动部件，长期稳定，结构简单便于安装和维护;

2、传感器输出为脉冲频率，其频率与被测流体的实际流量呈线性，零点无漂移，性能十分稳定，结构形式多样，有管道式、插入式流量传感器形式;

3、精确度较高，通常液体的测量精度为±1.0%；气体的测量精度为±1.5%;

4、测量量程范围宽，在雷诺数为2×104 ～7×106范围内，可达1:20;

5、压损小（约为孔板流量计的1/4～1/2），属于节能流量仪表;

6、安装方式灵活，根据现场工艺管道不通，可水平，垂直和不同角度倾斜安装;

7、采用消扰电路和抗震动传感头，具有一定抗环境振动性能;

8、采用超低功耗单片微机技术，1节3V10AH锂电池可使用5年以上;

9、由软件对仪表系数非线性进行修正，提高测量精度;

10采用EPROM对累积流量进行掉电保护，保护时间大于10年。

1. No movable parts, long-term stability, simple structure, easy installation and maintenance;

2. The output of the sensor is a pulse frequency, which is linear with the actual flow rate of the measured fluid. The zero point has no drift, and the performance is very stable. There are various structural forms, including pipeline and plug-in flow sensors;

3. High accuracy, usually with a measurement accuracy of ± 1.0% for liquids; The measurement accuracy of gas is ± 1.5%;

4. The measurement range is wide, and can reach 1:20 within the Reynolds number range of 2 × 104 to 7 × 106;

5. Low pressure loss (about 1/4 to 1/2 of the orifice plate flowmeter), belonging to energy-saving flow instruments;

6. The installation method is flexible, and can be installed horizontally, vertically, and at different angles according to the on-site process pipeline not being connected;

7. Adopting anti-interference circuits and anti vibration sensing heads, it has certain anti environmental vibration performance;

8. Using ultra-low power single-chip microcomputer technology, one 3V10AH lithium battery can be used for more than 5 years;

9. Using software to correct the nonlinearity of instrument coefficients and improve measurement accuracy;

10. EPROM is used for power-off protection of accumulated flow, with a protection time greater than 10 years.