注：以上所标价格为含17%税，含运费（默认发快递或物流,需要发其他方式运费另计，新疆，西藏等偏远地区需要另加运费）;不开票下浮10%,拍了联系客服改价！
B型、C型为双供电,液晶显示瞬时流量和累计总量，3.6V锂电池供电时无输出，DC24V供电时输出二线制4~20mA，可选带RS485通讯，可同时读取瞬时流量和累计总量(显示为m3工况流量,可设置定值补偿显示Nm3标况)；
D型为带温度和压力双补偿，液晶显示瞬时流量、累计总量、温度和压力，3.6V锂电池供电时无输出，DC24V供电时输出二线制4~20mA，可选带RS485通讯，可同时读取瞬时流量、累计总量，温度和压力(显示为Nm3标况流量)；
一、产品简介 Product introduction
LWQ系列气体涡轮流量计是吸取了国内外流量仪表先进技术经过优化设计，综合了气体动力学、流体力学、电磁学等理论而自行研制开发的集温度、压力、流量传感器和智能流量积算仪于一体的新一代高精度、高可靠性的气体精密计量仪表，具有出色的低压和高压计量性能，多种信号输出方式以及对流体扰动的低敏感性，重复性好、结构简单、耐高压、测量范围宽、体积小、重量轻、压力损失小、寿命长、操作简单、维修方便等优点，温压补偿型仪表可集流量、温度、压力检测功能于一体，并能进行温度、压力、压缩因子自动补偿。是石油、化工、电力、冶金、工业锅炉等行业对燃气计量和城市天然气、燃气调压站封闭管道中低粘度气体的体积流量和总量及燃气热计量的理想气体流量检测仪表。
LWQ series gas turbine flowmeter is to draw on the domestic and foreign advanced technology through the optimized design of flow meter, Gas dynamics. Fluid mechanics, Electromagnetic theory and developed Temperature, pressure, flow sensor and intelligent flow totalizer in one A new generation of high precision, high reliability. Gas metering instrument, With the excellent performance of low and high pressure measurement, A variety of signal output and low sensitivity to the fluid disturbance, Good reproducibility, simple structure, high pressure resistance, wide measurement range, small volume, light weight, low pressure loss, long service life, simple operation, The advantages of convenient repair, Temperature and pressure compensation type instrument can set flow, temperature, pressure detection functions, And can carry on the temperature, pressure, compression factor automatic compensation. Is the industry of petroleum, chemical, electric power, metallurgy, industrial boiler The gas metering and city gas, Gas pressure regulating station closed pipe low viscosity of gas volume flow rate and total The ideal gas flow meter and gas heat metering.
LWQ系列气体涡轮流量计严格按照产品执行标准《GBT18940-2003封闭管道中气体流量的测量涡轮流量计》，《GBT21391- 2008用气体涡轮流量计测量天然气流量》和检定标准《JJG 1037-2008涡轮流量计检定规程》来执行和检定。
LWQ series gas turbine flowmeter In strict accordance with the product standard "GBT18940-2003 closed measuring turbine flowmeter gas flow in pipeline","GBT21391- 2008 gas turbine flow meter to measure gas flow" The implementation and verification of standard "JJG 1037-2008 verification regulation of turbine flowmeter" and verification.
LWQ系列气体涡轮流量计经国家防爆产品质检部门按GB3836.2000《爆炸性气体环境用电气设备第1部：通用要求》，GB3836.2-2000《爆炸性气体环境用电气设备第2部分：隔爆型“d”》和GB3836.4-2000《爆炸性气体环境用电气设备第4部分：本质安全型“i”》标准检验合格，防爆标志为Exd‖BT6（隔爆型）、Exia‖CT4（本安型）。适用于含有‖A、‖B、‖C类T1~T6温度组别爆炸性气体混合物的0（仅本安型）1、2区危险场所。
LWQ series gas turbine flowmeter By the national quality inspection department according to the electrical equipment, explosion-proof products first for explosive gas environment: General requirements "GB3836.2000", GB3836.2-2000 "electrical apparatus for explosive gas atmospheres - Part second: Flameproof Enclosures" d " And GB3836.4-2000 "electrical apparatus for explosive gas atmospheres Part fourth: intrinsic safety type" I "" standard inspection, Explosion proof mark Exd ‖ BT6 (explosion-proof), Exia ‖ CT4 (Ben Anxing). Suitable for containing A, B, C class T1~T6 temperature group explosive gas mixture of 0 (only intrinsically safe type) 1, zone 2 dangerous places.
二﹑产品特点 Product features
①采用新型传感器，始动流量低、压力损失小、抗振与抗脉动流性能好，不易腐蚀、可靠性好、使用寿命长。
Using a new type of sensor, The initial low flow, low pressure loss, anti vibration and anti pulsating flow performance, Not easy to corrosion, good reliability, long service life.
②采用新型微处理器与高性能的集成芯片，运算精度高，整机功能强大，性能优越。
The integrated chip uses new MCU with high performance, Computing precision is high, the function is powerful, superior performance.
③采用先进的微功耗高新技术，整机功耗低。既能用内电池长期供电运行，又可由外电源供电运行。
Using micro power advanced high-tech, The low power consumption. Not only can be used in battery powered operation, but also by the external power supply operation.
④按流量频率信号，可将仪表系数最多分八段自动进行线性修正，可根据用户需要提高仪表的计算精度。
According to the flow frequency signal, The instrument coefficient up to eight automatic linear correction, According to user needs to improve calculation precision instrument.
⑤采用EEPROM数据存贮技术，具备历史数据的存贮与查询功能，三种历史数据记录方式可供用户选择。
Using EEPROM data storage technology, The storage and query of historical data, Three kinds of historical data records available.
⑥流量计表头可180°旋转，安装使用简单方便。
Flow meter which can rotate 180 degrees, the installation is simple and convenient to use.
⑦高精确度，一般可达±1.5%R、±1.0%R。
High precision, generally up to ± 1.5%R, ± 1.0%R.
⑧重复性好，短期重复性可达0.05%R~0.2%R，正是由于具有良好的重复性，在贸易结算中是优先选用的流量计。
Good repeatability, Short term reproducibility of up to 0.05%R~0.2%R, It is because of its good repeatability, Trade settlement in the meter is preferred.
⑨可检测被测气体的温度、压力和流量，能进行流量自动跟踪补偿，并显示标准状态下（Pn=101.325KPa，Tn=293.15K）的气体流量；可实时查询温度、压力、时间、日期等数据。
Detection of measured gas temperature, pressure and flow, Can flow automatic tracking compensation, And display the standard condition (Pn=101.325KPa, Tn=293.15K) gas flow; Can be real-time data query temperature, pressure, time, date, etc..
