一、產品簡介 Product introduction
LWQ系列氣體渦輪流量計是吸取了國內外流量儀表*技術經過優化設計，綜合了氣體動力學、流體力學、電磁學等理論而自行研制開發的集溫度、壓力、流量傳感器和智能流量積算儀于一體的新一代高精度、高可靠性的氣體精密計量儀表，具有出色的低壓和高壓計量性能，多種信號輸出方式以及對流體擾動的低敏感性，重復性好、結構簡單、耐高壓、測量范圍寬、體積小、重量輕、壓力損失小、壽命長、操作簡單、維修方便等優點，溫壓補償型儀表可集流量、溫度、壓力檢測功能于一體，并能進行溫度、壓力、壓縮因子自動補償。是石油、化工、電力、冶金、工業鍋爐等行業對燃氣計量和城市天然氣、燃氣調壓站封閉管道中低粘度氣體的體積流量和總量及燃氣熱計量的理想氣體流量檢測儀表。
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 inligent 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系列氣體渦輪流量計嚴格按照產品執行標準《GBT18940-2003封閉管道中氣體流量的測量渦輪流量計》，《GBT21391- 2008用氣體渦輪流量計測量天然氣流量》和檢定標準《JJG 1037-2008渦輪流量計檢定規程》來執行和檢定。
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系列氣體渦輪流量計經國家防爆產品質檢部門按GB3836.2000《爆炸性氣體環境用電氣設備第1部：通用要求》，GB3836.2-2000《爆炸性氣體環境用電氣設備第2部分：隔爆型“d”》和GB3836.4-2000《爆炸性氣體環境用電氣設備第4部分：本質安全型“i”》標準檢驗合格，防爆標志為Exd‖BT6（隔爆型）、Exia‖CT4（本安型）。適用于含有‖A、‖B、‖C類T1~T6溫度組別爆炸性氣體混合物的0（僅本安型）1、2區危險場所。
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﹑產品特點 Product features
①采用新型傳感器，始動流量低、壓力損失小、抗振與抗脈動流性能好，不易腐蝕、可靠性好、使用壽命長。
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采用新型微處理器與高性能的集成芯片，運算精度高，整機功能強大，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*，整機功耗低。既能用內電池*供電運行，又可由外電源供電運行。
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按流量頻率信號，可將儀表系數zui多分八段自動進行線性修正，可根據用戶需要提高儀表的計算精度。
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數據存貯技術，具備歷史數據的存貯與查詢功能，三種歷史數據記錄方式可供用戶選擇。
Using EEPROM data storage technology, The storage and query of historical data, Three kinds of historical data records available.
⑥流量計表頭可180°旋轉，安裝使用簡單方便。
Flow meter which can rotate 180 degrees, the installation is simple and convenient to use.
⑦高精確度，一般可達±1.5%R、±1.0%R。
High precision, generally up to ± 1.5%R, ± 1.0%R.
⑧重復性好，短期重復性可達0.05%R~0.2%R，正是由于具有良好的重復性，在貿易結算中是優先選用的流量計。
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可檢測被測氣體的溫度、壓力和流量，能進行流量自動跟蹤補償，并顯示標準狀態下（Pn=101.325KPa，Tn=293.15K）的氣體流量；可實時查詢溫度、壓力、時間、日期等數據。
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..
智能天然氣氣體渦輪流量計LQW-80/20/25/32/40/50/65/80/100/125
智能天然氣氣體渦輪流量計LQW-80/20/25/32/40/50/65/80/100/125
