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Double flange type remote liquid level meter

Double flange type remote liquid level meter in measuring liquid level at the time of installation, …

Description：

、產(chǎn)品概述：">Productoverview:

ZW3051LDC series Double flange type remote liquid level meter ，元器件和零部件均源自進(jìn)口

，整機(jī)經(jīng)過嚴(yán)格組裝和測(cè)試

，該產(chǎn)品具有設(shè)計(jì)原理xj****

、品種規(guī)格齊全

、安裝使用簡(jiǎn)便等特點(diǎn)。">Is the introduction of a new type of differential pressure transmitter foreign advanced production technology and equipment, key raw materials, components and parts are imported from the machine, after strict assembly and testing, the product has advanced design principle, complete specifications, convenient installation and operation etc.. ，并被廣泛使用的兩種變送器（羅斯蒙特3051與橫河EJA）的結(jié)構(gòu)優(yōu)點(diǎn)

，讓使用者有耳目一新的感覺，同時(shí)與傳統(tǒng)的1151

、CECC等系列產(chǎn)品在安裝上可直接替換

，有很強(qiáng)的通用性和替代能力。">Due to the double flange level transmitter appearance completely fused currently popular two transmitters and widely used (Ross and Henghe 3051 Monte EJA) structure advantages, allowing users to find everything fresh and new feeling, at the same time with the traditional 1151, CECC series products in the installation can be directly replaced, there is very strong the versatility and ability to substitute. ，該系列雙法蘭液位變送器除設(shè)計(jì)小巧精致外

，更推出具有HART現(xiàn)場(chǎng)總線協(xié)議的智能化功能

。">For the continuous improvement and development for domestic automation level, this series of double flange level transmitter in addition to the design of small and exquisite, launched more intelligent functions with HART Fieldbus protocol.

、工作原理：">Two, work principle:

，作用在δ元件（即敏感元件）的兩側(cè)隔離膜片上

，通過隔離片和元件內(nèi)的填充液傳送到測(cè)量膜片兩側(cè)。">ZW3051LDC series <strong> double flange type remote liquid level gauge</strong> principle is when the measured medium pressure into two kinds of high and low pressure chamber two, role in the delta element (i.e. sensitive element) on both sides of the diaphragm, the spacer and components inside the filling liquid transferred to the measuring diaphragm on both sides. 。">The liquid level transmitter is measured by the diaphragm and the both sides of insulation on the electrode sheet of each component of a capacitor. ，致使測(cè)量膜片產(chǎn)生位移

，其位移量和壓力差成正比，故兩側(cè)電容量就不等

，通過振蕩和解調(diào)環(huán)節(jié)

，轉(zhuǎn)換成與壓力成正比的信號(hào)。">When the pressure is inconsistent, resulting in measuring diaphragm displacement, the displacement and the pressure difference is proportional to the capacitance on both sides from it, through stages of oscillation and demodulation, signal into proportional to pressure.

、測(cè)量方法：">Third, measurement method:

，就成為雙法蘭液位變送器，它仍具有差壓/壓力變送器的各種特點(diǎn)

。">Z3051DC/GC type differential pressure / pressure transmitter with remote seal device, has become a double flange level transmitter, it still has the characteristics of differential pressure / pressure transmitter.

，通過它進(jìn)行設(shè)定，監(jiān)控

。">With the HART manipulator communicate with each other through setting, monitoring.

，這種測(cè)量方法適用于下述幾種情況：">To avoid the measured medium directly and diaphragm contact transmitter, this measurement method is applicable to the following circumstances:

；">1, the medium is corrosive to the transmitter sensitive element;

、需要將高溫被測(cè)介質(zhì)與變送器隔離；">2, needs to be measured medium and high temperature transmitter isolation;

、被測(cè)介質(zhì)中有固體懸浮物或高粘度介質(zhì)

；">3, measured in suspended solids or high viscosity medium medium;

；">4, measured by medium pressure tube at the same time easy solidification or crystallization;

、更換被測(cè)介質(zhì)需嚴(yán)格凈化測(cè)量頭；">5, the replacement of the measured medium need strict purification of measuring head;

、測(cè)量頭須***保持衛(wèi)生

，嚴(yán)禁污染。">6, the measuring head must maintain health, no pollution. 。">Object: the use of corrosive or viscous liquid.

。">Note: vacuum situation should not use remote transmitter.

Four, application:

，這種測(cè)量方法適用于下述幾種情況：">ZW3051LDC series <strong> double flange type remote liquid level meter</strong> can avoid the measured medium directly and transmitter diaphragm contact, this measurement method is applicable to the following situations:

、高溫下粘稠介質(zhì)。">1, viscous medium under high temperature.

、易結(jié)晶的介質(zhì)

。">2, crystallizing media.

；驊腋∥锏某恋硇越橘|(zhì)

。">3, precipitation medium with solid particles or suspended solids.

4, strong corrosive or toxic medium.

；可免去采用隔離液時(shí)

，因測(cè)量信號(hào)的不穩(wěn)定，需要經(jīng)常補(bǔ)充隔離液的繁瑣工作

。">Can eliminate the pipe leakage phenomenon of the pollution of the environment; to be isolated by liquid, because the measurement signal is not stable, tedious work often supplement the isolation liquid.

、連續(xù)準(zhǔn)確測(cè)量界面和密度。">5, continuous measurement of interface and density.

，從而使測(cè)量結(jié)果真實(shí)地反映過程變化的實(shí)際情況

。">The remote device can avoid different instant mixing medium, the actual situation which makes the measurement results reflect the process of change.

。">6, cleaning requirements of high places.

、飲料和醫(yī)藥工業(yè)生產(chǎn)中，不僅要求變送器接觸介質(zhì)部位符合衛(wèi)生標(biāo)準(zhǔn)

，并且應(yīng)便于沖洗

，以防止不同批量介質(zhì)的交叉污染。">Such as food, beverage and pharmaceutical industry production, not only requires the transmitter contact media site to meet health standards, and should be easy to wash, to prevent cross contamination of different mass media.

、主要特點(diǎn)：">Five, main features:

、逐臺(tái)進(jìn)行模擬“在線運(yùn)行"考核，保證變送器在極限環(huán)境溫度

、介質(zhì)溫度和工作壓力（包括正壓或真空）下

，穩(wěn)定而可靠地工作。">1, one by one to simulate the "run" online examination, ensure the transmitter in ambient temperature, medium temperature and working pressure (including positive pressure or vacuum), stable and reliable work.

、采用“動(dòng)態(tài)型面"遠(yuǎn)傳膜片結(jié)構(gòu)

，超載后膜片不會(huì)受損；長(zhǎng)期工作后精度不會(huì)發(fā)生變化

。">2, the "remote diaphragm structure dynamic surface, damaged the membrane cannot be overloaded; change accuracy does not occur after long time working.

、選用全熔焊和剛性密封結(jié)構(gòu)的灌充系統(tǒng)，根除了漏油現(xiàn)象的發(fā)生

。">3, the full penetration and rigid seal filling system structure, eliminate the occurrence of the oil leakage phenomenon.

、設(shè)計(jì)新穎的毛細(xì)管結(jié)合部件，使毛細(xì)管得到可靠的保護(hù)

，在現(xiàn)場(chǎng)使用不易折斷

。">4, the design of novel capillary components, the capillary reliableprotection, used in the field is not easy to break.

、形式和尺寸多樣的遠(yuǎn)傳裝置

，以及豐富的灌充液種類，可以滿足各種不同場(chǎng)合的測(cè)量需要

。">5, varieties, forms and sizes of various remote devices, as well as the rich filling liquid, can meet the needs of measuring various occasions.

、可提供各種特殊需要產(chǎn)品

，包括高溫

、高真空

、快響應(yīng)和不等長(zhǎng)毛細(xì)管（差值≤4.5米）。">6, can provide a variety of products with special needs, including high temperature, high vacuum, fast response and unequal length capillary (the difference is less than 4.5 meters).

、小型化（2.4kg）全不銹鋼法蘭

，易于安裝。">8, small (2.4kg) stainless steel flange, easy to install.

、技術(shù)參數(shù)：">Six, technical parameters:

Output signal: 4 ~ 20MA.DC two-wire (Analog)

，由用戶選擇線性或開方輸出。">Two line 4 ~ 20mA DC superimposed on the signal digital signal, linear or square output selected by the user.(Intelligence)

Power supply: 12 ~ 45V.DC (see map load)

Effect: <0.005% power output range /V

，無負(fù)載影響

。">Influence of load: stable power supply, no load effect.

Measurement accuracy: adjustable range + 0.1%, + 0.2

，若選擇其他精度請(qǐng)?jiān)谟嗀涍x型時(shí)注明

。）">(standard error is about 0.2%, if you choose other precision please specify. In order selection)

Range: 10:1 or 100 to 1

，當(dāng)灌充惰性液或帶遠(yuǎn)傳裝置時(shí)

，時(shí)間常數(shù)會(huì)增大。">Damping: usually in 0.1 to 16 seconds between the adjustable, when filling liquid with inert or remote transmission device, the time constant will increase.

，不需預(yù)熱">Start time: <2 seconds, without preheating

Work environment: the environment temperature of -29 to 93 DEG C (analog amplifier)

-29 ~ 75 C (digital / intelligent amplifier)

-29 to 65 DEG C (with display gauge)

The environmental humidity of 0 ~ 95%

Protective properties: protective ability of IP65

Explosion-proof type: flameproof type Exd II BT4-6

This type of Exia II CT5

，對(duì)于32MPa在管道壓力下通過調(diào)零給予校正。">The static effect of zero error: + 0.5%zui large range limit value for 32MPa in the pipeline under pressure by zero corrected.

，接受輻射頻率27～500MHz

，試驗(yàn)場(chǎng)強(qiáng)3V/m。">The effects of electromagnetic radiation: 0.05%zui large range value, the radiation frequency is 27 ~ 500MHz, the test field 3V/m.

Indicator (%): LCD digital display precision + 0.2%

，±0.05%/g

。">Effect of vibration: vibration direction of any 200Hz, 0.05%/g.

，但可通過調(diào)零來修正

。">Installation position: the diaphragm is not installed vertically, may produce less than 0.24KPa by adjusting the zero error, but zero correction.

Weight: 3.9Kg (not including attachments)

Note: specifications on selected flange static pressure differential pressure transmitter on the remote.

，由所選擇的灌充液種類確定

。">The remote device is determined by the temperature, liquid filling type was selected.

。">The effect of the medium temperature remote transmitter is a remote device on both sides of the room temperature by the temperature effect of the same start at the same time, due to the change of output.

，均是在zui大量程時(shí)測(cè)得。">The influence of pressure and temperature are measured in a wide range of zui.

，兩側(cè)長(zhǎng)度差為4.5米

。">The length of the capillary Zui DP type remote differential pressure transmitter on both sides of 7.5 meters, 4.5 meters on both sides of the length difference.

、遠(yuǎn)傳裝置形式有四種：">Seven, there are four forms of remote device:

、工作壓力2.5MPa）

；">1, flat type remote device (3 "standard, the working pressure of 2.5MPa);

；">2, screw type remote device (Zui working pressure 10MPa);

、法蘭安裝式遠(yuǎn)傳裝置；">3, flange mounted remote device;

、插入筒式遠(yuǎn)傳裝置（標(biāo)準(zhǔn)3″或4″

，工作壓力2.5MPa）。">4, insert the tube type remote device (standard 3 "or 4", working pressure of 2.5MPa).

、注意事項(xiàng)與日常維護(hù)：">Eight, attention matters and daily maintenance:

、使用雙法蘭差壓變送器前，要檢查法蘭膜片內(nèi)充液是否充足(各商家生產(chǎn)的電極對(duì)內(nèi)充液的多少要求不同)如太少

，需返廠維修

。">1, the use of double flange differential pressure transmitter, to inspect the diaphragm liquid filled the adequacy (how many businesses on the production requirements of electrode liquid filled different) such as too little, need to return to factory maintenance.

，在使用前要在需要查看有無損壞

，目的是使受壓后，傳感器膜片破裂

，造成油液混入測(cè)量介質(zhì)中

。">2, there is no solution in diaphragm and a long stem on sensor before use to check whether there is damage in need, the purpose is to make the pressure sensor, diaphragm rupture caused by oil mixed with measuring medium.

，切忌將膜片裸露外面

。">The use of protective sleeve should be 3, daily use of flange disassembly when not in use, should not be exposed outside the diaphragm.

，經(jīng)常使用需保存在電極保護(hù)液中

，但使用前要浸泡活化。">4, can not long dry, often used to be kept in the electrode protection solution, but to soak activated before use.

、測(cè)量強(qiáng)酸強(qiáng)堿會(huì)大大降低電極壽命

，因此如需頻繁測(cè)量強(qiáng)酸強(qiáng)堿需要選購(gòu)特種耐強(qiáng)酸強(qiáng)堿膜片。">5, measurement of acid alkali will reduce the electrode life greatly, so often need to buy special measurement of acid alkali resistance to acid and alkali for diaphragm.

、清洗膜片清水沖洗

，水力不應(yīng)過大，不要使用鐵刷或其它金屬擦洗

。">6, cleaning the membrane rinse water should not be too large, do not use scrub brush iron or other metals.

、法蘭要輕拿輕放，膜片極為脆弱

，以免磕碰

。">7, flange tohandlegentlyand, diaphragm is very fragile, so as to avoid collision.

、智能選型:">Nine, intelligent selection:

、測(cè)量范圍和結(jié)構(gòu)材料

，然后按現(xiàn)場(chǎng)的安裝要求確定遠(yuǎn)傳裝置類型和尺寸。">Remote liquidometer is a variant of additional remote device in the transmitter based on the subject, so the selection work can be divided into two steps: first determine the type of the main transmitter (DP), measuring range and structure of materials, and then according to the installation requirements to determine the size and type of remote transmission device. 、粘度和毛細(xì)管的長(zhǎng)度）與變送器的性能指標(biāo)密切相關(guān)

，因此歸入變送器主體選型范疇

，不單獨(dú)列表選擇

。">Because the parameters are composed of filling system (such as filling liquid temperature, viscosity and capillary length) is closely related with the performance of the transmitter, so as the main body of the transmitter selection category, no separate list selection.

Ten, the selection of encoding:

ZW3051LDC	Double flange type remote differential pressure level meter (Zhongwei control)
	Code	Range KPa
	Three	0-1.3 ~ Seven point five
	Four	0-6.2 ~ Thirty-seven point four
	Five	0-31.1 ~ One hundred and eighty-six point eight
	Six	0-117 ~ Six hundred and ninety
	Seven	0-345 ~ Two thousand and sixty-eight
	Eight	0-117 ~ Six hundred and ninety
		Code	output
		E	4-20mADC
		S	Intelligent type
			Code	Flange material	Flange material
			Twenty-two	316SST	316SST
				Code	Additional function
				S1	A remote transmission device
				S2	Two remote device
					Code	option
					M1	0-100% Linear indicator
					M2	LED Show table
					M3	LCD Show table
					B1	Tube bracket
					B2	Plate bracket
					B3	Tube plain bracket
					D	Flameproof D IIBT4
					I	Intrinsically safeIaCT6

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