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Instructions for Selection of Rotor Flowmeter with Metal Tube for Lithium Battery Power Supply

File Name：Instructions for Selection of Rotor Flowmeter with Metal Tube for Lithium Battery Power Supply
Add Time：2019-04-12 10:30:21
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、產品概述：">Productoverview:
、脈沖輸出、上下限報警輸出等功能

，該型智能信號變送器具有及高的精度和可靠性

，******可以取代進口******型儀表

，且具有性價比高、多參數(shù)標定

、掉電保護等特點

。">ZW-LZ series of lithium battery powered metal tube rotameter can realize the liquid crystal indicator, and cumulative output distance (4 ~ 20mA), pulse output, alarm output function, the intelligent signal transmitter and has high precision and reliability, and can completely replace the imported type instrument, and has high cost performance, multi parameter calibration, the power down protection etc..、對小流量

、低流速、各種苛刻介質條件的流量測量與過程控制

。">It is widely used in various industries complex, harsh environment, small volume and low velocity, a variety of harsh conditions of medium flow measurement and process control.
、結構和計量原理：">Two, the structure and principle of measurement:

1, structure:
ZW-LZ series of lithium battery powered metal tube rotameter is mainly composed of three parts:
、指示器（智能型指示器

，就地指示器）；">A (Intelligent indicator, indicator, local indicator);
、浮子

；">B, float;
。">C, a conical measuring chamber.
、計量原理：">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

，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.，在浮子隨介質上下移動時

，磁場隨浮子的移動而變化。">A built-in magnet, the float with the medium moves up and down, with the movement of the float magnetic field changes.
、對于就地型

，由就地指示器中的旋轉磁鋼與浮子內磁鋼耦合，而發(fā)生轉動

，同時帶動指針

，通過刻度盤指示出此時的流量大小。">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.
、對于智能型

，由智能型指示器中的一個固態(tài)磁傳感器將磁場的變化轉化成電信號

，經(jīng)A/D變換、微處理器

，D/A輸出

，LCD液晶顯示

，來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.
Third, widely used:
，維護量小

，壽命長；廣泛應用于：化工

、發(fā)電

、食品、水處理等

。">ZW-LZ series of lithium battery powered metal tube rotameter is reliable, low maintenance, long service life; widely used in chemical industry, power generation, food, water treatment etc.. 、惡劣環(huán)境條件，及各種介質條件的流量測量過程中

。">The complex and harsh environmental conditions, the flow measurement process and various medium conditions in.
、主要特點：">Four, main features:
，堅固

、簡潔、耐高壓

、耐高溫

、防腐、使用壽命長

；">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;
，LCD液晶顯示瞬時流量

、累積流量；">3, mechanical pointer instructions LCD liquid crystal display instantaneous flow, instantaneous flow, cumulative flow;
、智能型指示器

，采用國外***新信號采集處理芯片，模塊化設計

，無磁滯后

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

、掉電保護及錯誤自診斷功能

；">5, data recovery, data backup, power down protection and fault self diagnosis function;

，二線制24VDC供電

，4-20mA標準電流信號輸出疊加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HART通訊手操器可進行參數(shù)組態(tài)和現(xiàn)場調整

；">7, through the HART communication manipulator configuration and parameters can be adjusted;

，通過Windows程序

，實現(xiàn)現(xiàn)場對儀表進行標定；">8, with the PC serial connection, through the Windows program, to achieve on-site calibration of the instrument;

、可用于易燃

、易爆危險場合；">9, can be used in flammable and explosive occasions;

、垂直

、水平、上進下出

、底進側出

、側進側出等多種安裝形式，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：1.0、1.5

、2.5">3, 1, 1.5, accuracy: 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
、介質溫度：-40℃～300℃">5, medium temperature: -40 to 300 DEG C
、介質粘度：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
8, connection: flange (executive standard DIN2501 or as required by standard flange manufacturing)
、儀表高度：250mm">9 meter height: 250mm

、電纜接口：M20*1.5">10, cable interface: M20*1.5
11, power supply: 24VDC two-wire 4 ~ 20mA or 85 ~ 265VAC 50/60Hz (remote type)

、報警輸出：上限或下限瞬時流量報警繼電器輸出（觸點容量***大5A-250VAC）或集電極開路輸出（***大100mA-30VDC內部阻抗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).

，***小間隔每10秒一個脈沖（交流型）或每50毫秒一個脈沖

。">13, the cumulative output pulse: pulse output, minimum interval of every 10 seconds a pulse (AC) or a pulse every 50 milliseconds.

，顯示瞬時流量及累積流量

。">14, double liquid crystal display: LCD display, display the instantaneous flow and cumulative flow.

。">15: Exia II CT4, explosion-proof.

。">16, the measuring tube material: 316 stainless steel (common type) or Teflon liner (corrosion type).

、產品維護：">Six, product maintenance:

，管道內不可避免會有鐵磁性雜質吸附在浮子上

，這樣會將浮子卡死或影響測量精度，要時常對傳感器內浮子進行清洗

；如果安裝磁過濾器

，也要進行定期清洗。">1, in the process of long-term use, the pipeline inevitably there will be ferromagnetic impurity adsorption on the float, it will float stuck or affect the measurement accuracy, from time to time to clean the sensor float; if the installation of magnetic filters should be cleaned regularly.

、儀表指示器內裝有電子元件

，儀表接線或拆卸殼體后，要將螺釘旋緊

，須***保證殼體的密封性

，防止雜質、水或其它物質進入

，同時還要保證儀表殼體的可靠接地

。">2, instrument indicator equipped with electronic components, instrument wiring or demolition of housing, to housing screws, must ensure sealing, prevent impurities, or other material into the water, and also to ensure reliable earthing of the meter casing.

，*********次使用時

，要注意：">3, instrument installation, on first use, should pay attention to:

，一定要緩慢地打開閥門

！">When the valve is opened to avoid the formation of pressure shock makes the float slamming limiting device, causing damage to the instrument, slowly open the valve!

，可以在儀表的出口安裝一節(jié)流閥

。">The measurement of gas meter is equipped with gas damper, to minimize the shock; to ensure the stability of the float, a throttle valve can be installed in the instrument export.

，首先要保證儀表的接線正確后

，方可通電；對于危險場合

，須***選擇防爆型

，并按防爆要求進行安裝使用。">4, for the remote type instrument, we must first ensure that the instrument wiring correctly, keeps power; for dangerous situations, must choose the explosion-proof, and the installation and use of proof required by the.

、結構分類說明：">Seven, structure classification:

、高溫型結構(G型)">1, the high temperature structure (G type)
High temperature structure type (G type) is used for medium temperature is too high or too low and the need to take measures on the insulation of the measuring tube medium flow measurement.

、增加隔熱材料厚度

，保證指示器工作在允許的環(huán)境溫度范圍內。">The high temperature structure is increased and the distance between the measuring tube indicator to increase heat dissipation and increase the insulation thickness, ensure the working environment temperature indicator in the allowable range.

。">The selection of the "G" type.

。">The flow of G type metal tube flowmeter can measure the temperature of -80 DEG -+300 DEG medium.
The structure of 2, with a damper device (Z type)

，特別是對于氣體的測量

。">Damper structure type flowmeter for entrance flow (pressure) medium flow measurement is unstable, especially for gas measurement.
3, jacket type structure (T type)

。">Jacket structure for heating or cooling of needs (such as high viscosity and flow measurement of the medium Yi Jiejing).

，流體不汽化和不結晶。">In the jacket by heating or cooling medium, fluid vaporization and no crystallization.
Import and export with thermal medium connection standard to use HG20594-97 DN15 PN1.6 flange, flange connection and other specifications may be marked with production plant, pressure rating jacket for 1.6MPa.

、外形尺寸圖

。">Jacket type flowmeter structure see FA standard flange type flowmeter and the size of map.
4, high pressure type structure (Y type)

。">High pressure type structure for media pressure is greater than the standard pressure level measurement.

。">At present, the maximum pressure can reach 32MPa.

。">In addition high pressure type flowmeter can provide built-in magnetic filter type, installation height is 350mm.

、FB和FC型***大壓力為10MPa。">FA, FB and FC type maximum pressure of 10MPa.
、故障排除方法：">Troubleshooting eight fault:
、檢查SU中報警值設定大小。">1, check the alarm set value size SU.
、檢查偏差設定d值不能太大

。">2, check the deviation set D value can not be too large.
。">3, FUN function, logic function is correct.。">HA-A said the upper limit is logical.LA-A said the lower limit is.
，更換線路板

。">4, circuit board failure, replace the board.
，輸出無動作

，可檢查外部電源及外部電源的負極是否與儀表供電的負極相連。">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)抖動的幅度來判定是哪種幅度的抖動

。">If the wobble in use, according to the jitter amplitude to determine what kind of amplitude jitter.。">Divided into mild and moderate jitter jitter jitter and jitter.
、輕微抖動：一般由于介質波動引起。">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：一般由于介質流動狀態(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.

、劇烈抖動：主要由于介質脈動

，氣壓不穩(wěn)或用戶給出的氣體操作狀態(tài)的壓力、溫度

、流量與儀表實際的狀態(tài)不符

，有較大差異造成儀表過量程。">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.

、安裝要求

。">Nine, installation requirements.
，流量計應垂直安裝在無震動的管道上

，如要水平安裝，訂貨時應額外說明

。">Remove the filler, 1 meter box after check, the meter should be installed vertically in the pipeline without vibration, such as to the level of the installation, the order should be additional instructions.。">The angle between the line and the plumb line flowmeter center should not exceed 5 degrees.
，如果被測介質含有顆粒雜質或氣泡

，則應在流量計上游安裝過濾裝置或設置排氣口，安裝時流體須***從下向上流動，若流體從上向下流動

，則流量計不能工作

。">In 2, the newly installed pipeline flow meter should be installed before the new pipeline clean metal pipe, if the measured medium containing impurity particles or bubbles, you should install filtering device or exhaust in flowmeter installation, the fluid must be flowing from down to up, if the fluid flow from top to bottom, then the flowmeter can not work.，如穩(wěn)壓罐等以消除脈動

。">If the measured medium is pulsating flow, it should be appropriate to the size of the buffer device is arranged in the downstream, such as surge tank to eliminate pulsation.
，應在流量計上

、下游安裝截止閥和旁通閥。">3, in order to check the meter zero and disassembly and maintenance and debugging, should stop valve and bypass valve installed in the upstream and downstream flow meter.
、一次儀表按規(guī)定安裝好后

，應先關閉流量計上、下游截止閥

，再檢查一次儀表同二次儀表接線

，無誤后，開啟二次儀表電源則瞬時流量應顯示為零

。">4, an instrument according to the provisions after installation, should close the flow meter on the downstream shut-off valve, check again with the two meter instrument wiring, error free, open the two meter power supply is the instantaneous flow rate should be zero.，則應先開啟上游閥呈全開后，用金屬管流量計下游調節(jié)閥由小到大緩慢調節(jié)流量

，則瞬時流量應有變化

。">For normal use, you should first open the upstream valve is fully open, with a metal tube flowmeter downstream from the valve slowly adjust the flow, instantaneous flow should change.、然后關閉下游調節(jié)閥

。">Stop working when they should close the valve, then close the upstream downstream of the valve.

Table ten 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：">11, selection table:

ZW-LZ	Description (Zhongwei control)
	Code	indicator
	Z	Basic type indicator
	D	The remote type indicator
		Code	Nominal diameter
		-15	DN15
		-25	DN25
		-40	DN40
		-50	DN50
		-80	DN80
		-100	DN100
		-150	DN150
			Code	structural style
			/	In the next
			H1	The left into the right
			H2	Right into the left out
			AA	The side into the side
			LA	The bottom side
			S	Threaded connection
			M	Quick coupler
				Code	Body material
				R1	321 stainless steel
				R4	304 stainless steel
				R6	316 stainless steel
				R6L	316L stainless steel
				Hc4	Ha C alloy
				Ti	titanium
				F	With F46 (PTFE)
					Code	Type indicator
					M7	Linear indicator
					M9	Nonlinear indicator (local pointer display flow)
						Code	Combination function
						ESK	；遠傳4-20mA標準電流信號">24VDC; remote 4-20mA standard current signal
						ESK-Z	；現(xiàn)場LCD顯示瞬時及累計流量">24VDC; remote 4-20mA; LCD display instantaneous and cumulative flow field
						ESK-D	；LCD顯示瞬時及累計流量">The power lithium battery; LCD display instantaneous and cumulative flow
						K1	With an on-line alarm signal
						K2	With on-line alarm signal
						K12	With a line and a line alarm signal
							Code	Explosion proof type
							Ex	Explosion-proof
							Exd	Flameproof
								Code	Measuring medium classification
								L	liquid
								G	Gas
									Code	Increase function
									T	The measuring tube with a heat / heat insulation jacket
									HT	More than 120 degrees high temperature medium temperature measurement

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