产品简介
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*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......
详细介绍
产品介绍 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*。
The integrated chip uses new MCU with high performance, Computing precision is high, the function is powerful, superior performance.
③采用*的微功耗*，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..
