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Type Selection Instructions for Threaded Metal Tube Rotor Flowmeter

File Name：Type Selection Instructions for Threaded Metal Tube Rotor Flowmeter
Add Time：2019-04-12 10:30:16
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、產(chǎn)品概述：">Productoverview:

，惡劣環(huán)境及各種介質(zhì)條件的流量測(cè)量與過(guò)程控制中

，適用于測(cè)量液體、氣體。">ZW-LZW series threaded metal tube rotameter for complex flow measurement and process control environment and various medium conditions, suitable for the measurement of liquid and gas.

、電遠(yuǎn)傳型、耐腐型

、高壓型

、夾套型、防爆型

。">According to the instructions, the applicable situation and the signal output form classification: pointer type, electric remote type, corrosion type, pressure type, jacket type, explosion-proof type.，現(xiàn)場(chǎng)顯示累積、瞬時(shí)流量

，支持?jǐn)?shù)字通訊

，現(xiàn)場(chǎng)修改測(cè)量參數(shù)，電遠(yuǎn)傳可輸出0～10mA

，4～20mA的標(biāo)準(zhǔn)模擬量信號(hào)

，特別適用于小口徑和低流速介質(zhì)流量測(cè)量。">Support for liquid crystal display, the scene shows the cumulative, instantaneous flow, digital communication, site measurement parameters, the electric remote can output 0 ~ 10mA, 4 ~ 20mA standard analog signal, especially suitable for small diameter and low flow velocity medium measurement.
、結(jié)構(gòu)和計(jì)量原理：">Two, the structure and principle of measurement:
、結(jié)構(gòu)：">1, structure:
ZW-LZW series threaded metal tube rotameter is mainly composed of three parts:
，就地指示器）；">A (Intelligent indicator, indicator, local indicator);
、浮子

；">B, float;
。">C, a conical measuring chamber.
、計(jì)量原理：">2, the principle of measurement:
，浮子便上升

，環(huán)隙面積就隨之增大

，環(huán)隙處流體流速立即下降，浮子上下端差壓降低

，作用于浮子的上升力亦隨著減少

，直到上升力等于浸在流體中浮子重量時(shí)，浮子便穩(wěn)定在某一高度

。">On the lower end of the measured medium from the measuring tube through a conical float generating differential pressure form the upward force, when the float on the lift is greater than immersion float in the fluid weight, the float will rise, annulus area increases, the annulus fluid velocity decreased immediately, float on the lower pressure reduced, to float up with the decrease in stress, until the lift is equal to the weight of the float when immersed in a fluid, the float will stabilize at a certain height.

。">The float position that corresponds to the size of the measured medium flow.

，磁場(chǎng)隨浮子的移動(dòng)而變化

。">A built-in magnet, the float with the medium moves up and down, with the movement of the float magnetic field changes.

，由就地指示器中的旋轉(zhuǎn)磁鋼與浮子內(nèi)磁鋼耦合

，而發(fā)生轉(zhuǎn)動(dòng)，同時(shí)帶動(dòng)指針

，通過(guò)刻度盤(pán)指示出此時(shí)的流量大小

。">A, for in situ, by rotary magnetic float and the local indicator in the inner magnetic coupling, rotate, and drives the pointer, through the dial indicates the size of the flow.

，由智能型指示器中的一個(gè)固態(tài)磁傳感器將磁場(chǎng)的變化轉(zhuǎn)化成電信號(hào)

，經(jīng)A/D變換、微處理器

，D/A輸出

，LCD液晶顯示，來(lái)顯示出流量的大小及累積流量

。">B, the intelligent, by a solid state magnetic sensor intelligent indicator in the magnetic field will change into electrical signal output by A/D transform, D/A microprocessor, LCD liquid crystal display to show the size and cumulative flow flow.

、廣泛應(yīng)用：">Third, widely used:
，廣泛用于石油

、化工、冶金

、電力

、醫(yī)藥、食品

、造紙等行業(yè)液體

、氣體、蒸汽介質(zhì)的測(cè)量與過(guò)程控制

。">ZW-LZW series screw metal tube rotameter strong, long service life, widely used in measurement and process control of petroleum, chemical, metallurgy, electric power, medicine, food, paper and other industries of liquid, gas and steam medium.
、主要特點(diǎn)：">Fourth, the main features:
、簡(jiǎn)潔

、耐高壓、耐高溫

、防腐

、使用壽命長(zhǎng)；">1, all metal structure design, strong, simple, high pressure resistance, high temperature resistance, corrosion resistance, long service life;

、短行程

，總高250mm，安裝方便

；">2, a short trip, the total height of 250mm, easy to install;

、機(jī)械指針現(xiàn)場(chǎng)指示瞬時(shí)流量，LCD液晶顯示瞬時(shí)流量

、累積流量

；">3, mechanical pointer instructions LCD liquid crystal display instantaneous flow, instantaneous flow, cumulative flow;

，采用國(guó)外***新信號(hào)采集處理芯片

，模塊化設(shè)計(jì)，無(wú)磁滯后

；">4, intelligent indicator, using the latest foreign signal processing chip, modular design, no hysteresis;
、具有數(shù)據(jù)恢復(fù)、數(shù)據(jù)備份

、掉電保護(hù)及錯(cuò)誤自診斷功能

；">5, data recovery, data backup, power down protection and fault self diagnosis function;
，二線制24VDC供電

，4-20mA標(biāo)準(zhǔn)電流信號(hào)輸出疊加HART協(xié)議；">6, HART type indicator, two-wire 24VDC power supply, 4-20mA standard current signal output of HART protocol stack;
、通過(guò)HART通訊手操器可進(jìn)行參數(shù)組態(tài)和現(xiàn)場(chǎng)調(diào)整

；">7, through the HART communication manipulator configuration and parameters can be adjusted;
，通過(guò)Windows程序

，實(shí)現(xiàn)現(xiàn)場(chǎng)對(duì)儀表進(jìn)行標(biāo)定；">8, with the PC serial connection, through the Windows program, to achieve on-site calibration of the instrument;
、可用于易燃

、易爆危險(xiǎn)場(chǎng)合；">9, can be used in flammable and explosive occasions;
、垂直、水平、上進(jìn)下出

、底進(jìn)側(cè)出

、側(cè)進(jìn)側(cè)出等多種安裝形式，法蘭或螺紋連接

。">10, vertical and horizontal, upper lower, bottom side, side into the side such as the installation of a variety of forms, flange or threaded connection.
、技術(shù)參數(shù)：">Five, technical parameters:
1, water measuring range: 2.5 ~ 100000l/h (20 C)
、量程比：10:1">2, range: 10:1
、精度等級(jí)：1.0、1.5

、2.5">3, 1.0, 1.5, precision grade: 2.5
、工作壓力：DN15、DN25

、DN50為PN4.0MPa***大為10.0MPa

、DN80、DN100為PN1.6MPa***大為6.4MPa">4, working pressure: DN15, DN25, DN50, PN4.0MPa, DN80, DN100 to 10.0MPa to PN1.6MPa to 6.4MPa
、介質(zhì)溫度：-40℃～300℃">5, medium temperature: -40 to 300 DEG C
、介質(zhì)粘度：DN15：η<5mPa·s（F15.1～F15.3）">6, medium viscosity: DN15: <5mPa - s eta (F15.1 ~ F15.3)
<30mPa - S (F15.4 - F15.8)
DN25: <250mPa - s.
DN50: <300mPa - S - DN150.
7, the ambient temperature: LCD type: -40 to 85 DEG C
Pointer type: -40 to 120 DEG C
、連接形式：法蘭（執(zhí)行標(biāo)準(zhǔn)DIN2501或按用戶提供法蘭標(biāo)準(zhǔn)制造）">8, connection: flange (executive standard DIN2501 or as required by standard flange manufacturing)
、儀表高度：250mm">9 meter height: 250mm
10, cable interface: M20*1.5
、供電電源：24VDC二線制4～20mA或85～265VAC 50/60Hz（遠(yuǎn)傳型）">11, power supply: 24VDC two-wire 4 ~ 20mA or 85 ~ 265VAC 50/60Hz (remote type)
、報(bào)警輸出：上限或下限瞬時(shí)流量報(bào)警繼電器輸出（觸點(diǎn)容量***大5A-250VAC）或集電極開(kāi)路輸出（***大100mA-30VDC內(nèi)部阻抗100Ω）。">12, alarm output: alarm relay output lower or upper limit of instantaneous flow (contact capacity 5A-250VAC) or open collector output (maximum 100mA-30VDC internal impedance of 100 ohm).

、脈沖輸出：累積脈沖輸出

，***小間隔每10秒一個(gè)脈沖（交流型）或每50毫秒一個(gè)脈沖。">13, the cumulative output pulse: pulse output, minimum interval of every 10 seconds a pulse (AC) or a pulse every 50 milliseconds.

、液晶顯示：雙排液晶顯示

，顯示瞬時(shí)流量及累積流量。">14, double liquid crystal display: LCD display, display the instantaneous flow and cumulative flow.

、本安防爆：Exia II CT4

。">15: Exia II CT4, explosion-proof.
。">16, the measuring tube material: 316 stainless steel (common type) or Teflon liner (corrosion type).
、轉(zhuǎn)換指示器：">Six, conversion indicator:
The converter is actually the height conversion taper pipe float into the corresponding volume scale.From the output signal: local display and remote signal output type:
、就地顯示型：由就地指示器中的隨動(dòng)磁鋼與浮子內(nèi)磁鋼耦合

，而發(fā)生轉(zhuǎn)動(dòng)

，同時(shí)電動(dòng)指針通過(guò)刻度盤(pán)指示出此時(shí)流量">1, local display type: by in situ indicator in the follow-up magnetic float and the inner magnetic coupling, and rotate, and the electric pointer by dial indicating the flow
，由智能型指示器中的隨動(dòng)磁鋼與浮子內(nèi)磁鋼耦合

，而發(fā)生轉(zhuǎn)動(dòng)，同時(shí)帶動(dòng)傳感磁鋼及指針

，通過(guò)一個(gè)磁傳感器將磁場(chǎng)變化轉(zhuǎn)化成電信號(hào)

，經(jīng)A/D轉(zhuǎn)換，數(shù)字濾波

，微處理器處理

，D/A輸出，LCD液晶顯示

，來(lái)顯示出瞬時(shí)流量及累積流量大小

。">2, intelligent remote type, by the intelligent indicator in the follow-up magnetic float and the inner magnetic coupling, rotate, and drives the magnet and the sensing pointer through a magnetic sensor magnetic field change into electrical signals by A/D conversion, digital filter, D/ microprocessor, A output, LCD liquid crystal display, to show the instantaneous flow and cumulative flow rate.
Seven, the type of flow meter:
、水平型（又分水平T型

、水平彈簧型）、底進(jìn)側(cè)出型

、側(cè)進(jìn)側(cè)出型

、側(cè)進(jìn)上出型，而每種類型又有標(biāo)準(zhǔn)型

、高溫型

、夾套型等。">The metal pipe flowmeter will 5 types of products according to the fluid into the entrance and exit of direction: vertical type, horizontal type (including the level T, level of spring type), into the side of the bottom and side into the side, side in the type, and each type had type, standard type, high temperature jacket etc..
，選用T型結(jié)構(gòu)的

，當(dāng)大于DN50時(shí)，選用彈簧結(jié)構(gòu)的

。">Horizontal mounting type flowmeter when the diameter is less than DN50 (inclusive), using T structure, when more than DN50, the spring structure.
，法蘭標(biāo)準(zhǔn)可根據(jù)顧客需求制作；還可選用螺紋連接方式

、卡箍連接方式

。">Specifications: standard type flowmeter connected by GB/T9119-2000 standard flange, flange standard can be made according to customer demand; also can be used threaded connection, clamp connections.
Magnetic filter:
。">If there is a ferromagnetic particle medium, magnetic filter installed in the entrance before the flowmeter.
、在安裝時(shí)應(yīng)遵循以下步驟：">Eighth, the installation should follow the following steps:
，應(yīng)拆卸所有安裝并檢查有沒(méi)有運(yùn)輸損壞

；">1, before installation to process piping, should remove all installed and checked for any transport damage;
，不要指針位置變化

；">2, in order to prevent in transit, with a rubber band fixed pointer indicator, indicator should open the left cover it gently removed before connection, do not change the pointer position;
、打開(kāi)指示器右蓋，電纜線穿過(guò)電纜引入裝置后

，按旋轉(zhuǎn)角變送器的接線圖接線后

，旋緊壓螺母

，使電纜固定

，然后旋緊左右蓋的緊固螺釘，使指示器防水防塵

；">3, open the indicator of the right cover, cable through the cable introducing device, according to the wiring diagram wiring rotation transmitter, pressure screw nut, the cable is fixed, and then tighten the fastening screws around the cover, the indicator of waterproof and dustproof;
、儀表的上下游管道應(yīng)與儀表的口徑相同,連接法蘭或螺紋應(yīng)與儀表的法蘭和螺紋匹配，儀表上游直管段長(zhǎng)度應(yīng)保證是儀表公稱口徑的5倍

，下游直管段長(zhǎng)度h2不少于250mm

；">The upstream and downstream pipeline 4, instrument and instrument should be the same caliber, flange or threaded connection should be matched with the flange and screw instrument, instrument upstream straight pipe length should ensure that the instrument is 5 times the nominal diameter, downstream straight pipe length not less than H2 250mm;
，所以為了保證浮子流量計(jì)的性能

，傳感器的安裝周?chē)辽?00mm處，不允許有鐵磁性物質(zhì)存在

；">5, due to the use of the instrument measuring mechanism is magnetic transfer, so in order to ensure the performance of rotameter installed around the sensor, at least 100mm, the existence of ferromagnetic material is not allowed;
、儀表安裝前,工藝管道應(yīng)進(jìn)行吹掃，防止管道中滯留的鐵磁性物質(zhì)附著在儀表里

，影響儀表的性能

，甚至?xí)p壞儀表.如果不可避免，應(yīng)在儀表的入口安裝磁過(guò)濾器

；">Before installation, 6 meter pipeline sweeping shall be carried out, to prevent the retention of ferromagnetic material in the pipeline is attached to the instrument, the instrument performance, or even damage the instrument. If unavoidable, should be installed at the entrance of the magnetic filter instrument;
、測(cè)量氣體的儀表,是在特殊壓力下的校準(zhǔn),如果氣體在儀表的出口直接排放到大氣，將會(huì)在浮子處產(chǎn)生壓降,并引起數(shù)據(jù)失真

。">7, the measurement of gas meter is calibrated in special pressure, if the gas meter in the outlet directly discharged into the atmosphere, will produce a pressure drop in the float, and lead to data distortion.

，應(yīng)在儀表的出口安裝一個(gè)閥門(mén)，以便能對(duì)所需流量值進(jìn)行設(shè)定

，當(dāng)浮子上維持標(biāo)校壓力時(shí)

，氣體將在閥門(mén)處膨脹；">If this is the working conditions, should install a valve in the instrument exports, so that the required flow value is set, when the float to maintain calibration pressure, gas expansion in valve;
、儀表的安裝形式分為垂直安裝和水平安裝

，如果是垂直安裝形式，應(yīng)保證儀表的直度優(yōu)于1%

；如果是水平安裝形式應(yīng)保證儀表的水平度優(yōu)于1%

；">The installation form 8, instrument installation for vertical and horizontal installation, if it is installed in a vertical straight form, should ensure that the instrument is better than 1%; if the level of installation form should ensure that the level of less than 1% meters;
，儀表的出口和入口應(yīng)有合適的管道支撐,可以使儀表處于***小應(yīng)力狀態(tài)

；">9, installed in the pipeline in the instrument should not be subject to stresses, the instrument should be a proper entrance and exit pipe support, can make the instrument in the minimum stress state;
、產(chǎn)品與計(jì)算機(jī)等相關(guān)聯(lián)進(jìn)行標(biāo)校等操作時(shí)，須***在安全場(chǎng)所進(jìn)行

。">10, product and computer related to calibration and other operations, must be in a safe place.
、安裝時(shí)的注意事項(xiàng)：">Note nine, the installation of the:
，焊按雜質(zhì)等噴吹干凈

，如果液體中含有固體雜質(zhì)，應(yīng)在閥門(mén)與直管段之間安裝相應(yīng)的過(guò)濾器

。">In 1, before the first installation flowmeter in the pipeline, dirt, impurities such as welding blowing clean, if the liquid contained solid impurities, should the corresponding filter is installed between the valve and the straight pipe.
、屏蔽和接地:為了保證系統(tǒng)的理想電磁兼容性能，屏蔽和接地是非常重要,尤其是總線電纜

，要使電纜盡可能連續(xù)地屏蔽

。">2, shielding and grounding system: in order to ensure ideal electromagnetic compatibility, shielding and grounding is very important, especially the bus cable, cable as far as possible to make continuous shielding.
，電纜要按照常規(guī)要求盡可能接地

。">3, the safety zone, according to the requirements of conventional cable grounding as much as possible.
，要確保在整個(gè)總線范圍內(nèi)安全場(chǎng)所與危險(xiǎn)所有足夠的等電位匹配,這種情況下

，多重接地是很******的。">4, in dangerous places, to ensure that the whole range of bus safe places and dangerous enough, all the potential, in this case, multiple ground is very superior.
、故障排除方法：">Troubleshooting ten fault:
、檢查SU中報(bào)警值設(shè)定大小。">1, check the alarm set value size SU.

、檢查偏差設(shè)定d值不能太大

。">2, check the deviation set D value can not be too large.

，邏輯功能是否正確

。">3, FUN function, logic function is correct.HA-A said the upper limit is logical.LA-A said the lower limit is.

、線路板故障

，更換線路板。">4, circuit board failure, replace the board.

、若液晶條碼指示正確

，輸出無(wú)動(dòng)作，可檢查外部電源及外部電源的負(fù)極是否與儀表供電的負(fù)極相連

。">5, if the lcd barcode indicates the correct output, no action, the cathode can check the external power and external power supply is connected with the anode of instrument power supply.

，可以根據(jù)抖動(dòng)的幅度來(lái)判定是哪種幅度的抖動(dòng)。">If the metal tube rotameter jitter in use, according to the jitter amplitude to determine what kind of amplitude jitter.

、中度抖動(dòng)和劇烈抖動(dòng)

。">Divided into mild and moderate jitter jitter jitter and jitter.

、輕微抖動(dòng)：一般由于介質(zhì)波動(dòng)引起。">1, a slight jitter due to fluctuations caused by the media.

。">Can be used to increase the damping of the way to overcome.

、中度抖動(dòng)：一般由于介質(zhì)流動(dòng)狀態(tài)造成。">2, moderate jitter caused by medium flow state: general.

。">For general gas as the medium pressure instability caused by.

。">The regulator or stabilizer to overcome or increase the damping of gas meter.
，氣壓不穩(wěn)或用戶給出的氣體操作狀態(tài)的壓力

、溫度、流量與儀表實(shí)際的狀態(tài)不符

，有較大差異造成儀表過(guò)量程。">3, severe jitter: mainly due to medium gas pulsation, operation pressure instability or give users pressure, temperature, flow meter and the actual state does not have large differences over range instrument.
，平時(shí)多注意保養(yǎng)

，就能夠確保它的正常使用。">Metal tube rotameter as long as you use the correct method, usually pay more attention to maintenance, to ensure the normal use of it.

、技術(shù)參數(shù)對(duì)照表：">Table eleven, technical parameters:

Path (mm)	Flow range			The pressure loss of KPa
	Water L/h		Air m3/h	water		atmosphere
	The conventional type	Anti-corrosion type	The conventional type / anti-corrosion type	The conventional type	Anti-corrosion type	atmosphere
Fifteen	2.5-25 4.0-40 6.3-63 10-100 16-160 25-250 40-400 63-630	2.5-25 4.0-40 6.3-63 10-100 16-160 25-250 40-400	0.07-0.7 0.11-1.1 0.18-1.8 0.28-2.8 0.48-4.8 0.7-7.0 1.0-10.0 1.6-16.0	Six point five Six point five Six point six Six point six Six point eight Seven Eight point six Eleven point one	Five point five Five point five Five point six Five point six Five point eight Six point one Seven point three	Seven point one Seven point two Seven point three Seven point five Eight Ten point eight Ten Fourteen
Twenty-five	100-1000 160-1600 250-2500 400-4000	63-630 100-1000 160-1600 250-2500	3-30 4.5-45 7-70 11-110	Seven Eight Ten point eight Fifteen point eight	Five point nine Six Six point eight Nine point two	Seven point seven Eight point eight Twelve Nineteen
Fifty	630-6300 1000-10000 1600-16000	400-4000 630-6300 000-10000	18-180 25-250 40-400	Eight point one Eleven Seventeen	Six point eight Nine point four Fourteen point five	Eight point six Ten point four Fifteen point five
Eighty	2500-25000 4000-40000	1600-16000 2500-25000	60-600 80-800	Eight point one Nine point five	Six point nine Eight	Twelve point nine Eighteen point five
One hundred	6300-63000	4000-40000	100-1000	Fifteen	Eight point five	Nineteen point two
One hundred and fifty	20000-100000		600-3000	Nineteen point two		Twenty point three

、選型表：">Twelve, selection table:

- 80 -250 OC

Specification code				Explain
The name of the factory	ZW			Zhongwei control
Instrument types		LZ		Metal tube rotameter
structural style		A		In the next
		B		Progress under the
		C		Side measure
		D		The bottom side
		R		Right into the left out
		L		The left into the right
		K		Clamp connection (sanitary polishing tube)
		W		Screw installation
Size code		- XXX		DN15 said: 15 cases
The measuring tube material		R1		1Cr18Ni9Ti, 304
		R0		，316">0cr18Ni12M02Ti, 316
		RL		316L
		RP		PTFE (PTFE)
		Ni		Hastelloy (Hastelloy C)
		Ti		TitHXium (Tai Hejin)
Media type		L		liquid
		G		Gas
working temperature		H1		- 40 -100 OC
		H2
Rated pressure		One point six		1.6MPa
		Four		4.0MPa
		Sixteen		16MPa
		Twenty-five		25MPa
Additional structure		O		nothing
		Z		Damping type
		T		Jacket
		H		High temperature type
		Y		High pressure type
Form indicator			M1	Local indication
			M2	Intelligent
			M3	Intelligent (explosion)
The output signal in the communication			N	nothing
			A	4-20mA
			H	4-20mA+Hart
Alarm controller			K1	The upper limit alarm
			K2	Alarm
			K12	、下限報(bào)警">The upper and lower limit alarm
Explosion proof type			E1	Intrinsically safe EXiaCT5 square casing
			E2	Flameproof shell EXiibt4 Park
Power supply			Zero	24VDC (optional)
			Two	220VAC
			Three	The 3.6 volt lithium battery

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