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Home /Product /Level instruments /Tuning fork level switch

Tuning fork level switchTuningforklevelswitch

Compact fork liquid level switch

ZW-ZBK series Compact fork liquid level switch Is dedicated to the economical level measurement limi…

Description：

、產(chǎn)品概述：">Productoverview:

ZW-ZBK series Compact fork liquid level switch 。">Is dedicated to the economical level measurement limit control switch.

，產(chǎn)品總長度160.5mm

，大直徑31.5mm

，其中音叉長度僅有38mm

。">The overall product structure compact and lightweight, the total length of 160.5mm products, large diameter 31.5mm, the fork length of only 38mm. 、儲罐、槽罐以及有泡沫

、氣泡

、粘稠液體以及有振動干擾的液位測量，更適用于小型容器和罐體周圍空間狹小的場合

。">This product is not only applicable to the container, storage tank, tank and bubble, bubble, viscous liquid and liquid level measurement of vibration interference, more suitable for small containers and tanks around the narrow occasion. ，產(chǎn)品可測量介質(zhì)密度低至0.7g/cm3。">The design principle is also based on the detection of the fork body is soaked in the medium when the vibration frequency changes of the product can be measured medium density as low as 0.7g/cm3.

、工作原理：">Two, work principle:

。">ZW-ZBK Series <strong> Compact fork liquid level switch</strong> principle is through the installation of the fork on the base of the piezoelectric tuning fork in resonant frequency vibration. ，這些變化由智能電路來進(jìn)行檢測

，處理并將之轉(zhuǎn)換為一個開關(guān)信號。">When the tuning fork and the medium contact, the frequency and amplitude of the tuning fork will change, these changes are detected by the intelligent circuit, and converts it into a signal switch.

，當(dāng)音叉被液體或固體浸沒時振動頻率發(fā)生變化

，這個頻率變化由電子線路檢測出來并輸出一個開關(guān)量。">Fork liquid level switch by the crystal vibration excitation, when it is liquid or solid immersion when the vibration frequency changes, the frequency change detected by electronic circuit and the output of a switch.

，凡使用浮球開關(guān)和由于結(jié)構(gòu)

、湍流、攪動

、氣泡

、振動等原因不能使用浮球開關(guān)的場合均可使用“電氣浮子"。">Tuning fork switch is also called "float", and because the electrical switch can where the use of floating ball structure, turbulence, agitation, bubble, vibration and other reasons can not use the float switch use electric float".

，因此無需維護(hù)和調(diào)整

，是浮球開關(guān)的升級換代產(chǎn)品。">No moving parts, so there is no need of maintenance and adjustment, is a replacement of the float switch upgrade.

、下限報(bào)警及控制

。">On the level of the upper and lower limit alarm and control.

、應(yīng)用場合：">Three, application:

、氣體及介電常數(shù)的影響

，適用于各種料倉固體物料和各種容器內(nèi)液位的定點(diǎn)報(bào)警或控制。">ZW-ZBK Series <strong> Compact fork liquid level switch</strong> without foam, eddy current, gas and the effect of dielectric constant, applicable to all kinds of solid materials and various bin container liquid level alarm or control point.

。">Solid material: free flowing solid powder or granule.

、水泥、石粉

、塑料顆粒

、沙子、鹽

、糖等">Fly ash, cement, stone powder, plastic particles, sand, salt, sugar, etc.

，腐蝕性液體。">Liquid medium: explosive and non explosive liquid, corrosive liquid.

、硫酸

、泥漿、紙漿

、油類

、牛奶、酒類

，飲料等

。">Water, sulfuric acid, slurry, pulp, oil, milk, wine, beverage etc..

Four, main features:

、運(yùn)動真正免受流動

，湍流、氣泡

、泡沫

、振動、固體含量

、涂覆

、液體特性以及產(chǎn)品變化影響；">1, from the real flow, turbulence, bubble, bubble, vibration, solid content, coating, liquid properties and product changes;

、不需要標(biāo)定而且所需要的安裝工序少

；">2, does not require calibration and installation procedures need less;

；">3, polarity insensitive and short-circuit protection function;

、采用標(biāo)準(zhǔn)的工業(yè)插頭/插座連接件；">4, using a standard industrial plug / socket connector;

；">5, no movable parts or slot to realize free maintenance;

、電子元件、自檢和狀態(tài)監(jiān)控-LED顯示狀態(tài)信息和完好信息

；">6, electronic components, inspection and monitoring of -LED display status information and good information;

、磁性測試點(diǎn)為功能測試提供方便；">Provide convenient, 7 magnetic test points for functional testing;

、緊湊型設(shè)計(jì)使外形小巧且重量較輕；">8, compact design makes compact and lightweight;

、“快速低落”的音叉設(shè)計(jì)對于粘性液體具有更快的響應(yīng)時間

；">9, "low" fork design for the viscous liquid has a faster response time;

。">10, health connections.

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

A, physical properties:

、產(chǎn)品該產(chǎn)品為緊湊型液位開關(guān)

；">1, this product is compact type liquid level switch;

；">2, the measuring principle of tuning fork vibration;

、應(yīng)用可用于大多數(shù)液體，包括涂敷液體

、充氣液體和漿液

。">3, the application can be used for most liquids, including coating liquid, gas liquid and slurry.

B, mechanical properties:

、過程材料 316L 不銹鋼（1.4404）

；">1, the process of 316L stainless steel materials (1.4404);

；">For Tri-Clamp connections, smooth surface, manual polishing is better than 0.8um;

，配有橡膠粘合劑。">1 "BSPP (G1) for non asbestos gasket material BS7531 X carbon fiber, equipped with rubber adhesive.

、外殼材料">2, shell material

，配有聚酯標(biāo)牌；">Shell body: 304 stainless steel with polyester label;

；">LED display window: flame retardant polyamide (Pal2) UL94 V2;

；">Plug: polyamide FRP plug;

Seal: nitrile rubber 122 (50mm).

、安裝">3, installation

3/4 BSPT (R) or NPT

，或者2”（51mm）衛(wèi)生Tri-clamp接頭配件">1 "BSPT (R) or BSPP (G) thread, or 2" (51mm) Tri-clamp sanitary fittings

Six, use and maintenance:

、進(jìn)料孔不能直接對準(zhǔn)音叉

，如果無法躲避時

，為防止壓實(shí)的大塊物料落到音叉上，須在音叉上面大于20cm處設(shè)防護(hù)板

，或加保護(hù)罩

，以免損壞叉體。">1, the feeding hole can not be directly at the fork, if cannot avoid, in order to prevent bulk material compaction to fork, fork must be greater than 20cm above provided protection board, or with protective cover, so as not to damage the fork. 。">If the air material can fortify the wind plate.

、振動較強(qiáng)的場合，可用繩索吊裝叉頭（須***特殊定貨）

。">2, strong vibration occasions, available rope hoisting fork (have special orders).

、不可將儀表設(shè)置在陽光直射處，如陽光直射可設(shè)一塊隔熱板

。">3, can not be instruments in direct sunlight, such as sunlight can be provided with a heat insulating plate.

、外殼安裝要使電纜出線孔朝下，并加橡皮圈密封防止水滴滲入殼內(nèi)

。">4, shell installation to make cable outlet holes down, and the rubber sealing ring to prevent the infiltration of water droplets in the shell.

、使用前先檢查儀表的工作和延時，無誤時方能投入運(yùn)行

。">5, before use to check instrument work and delay, can be run correctly.

、儀表要定期檢查，清除叉體上的沉積物

。">6, the instrument should be inspected regularly, remove sediment on fork.

、接地線要與容器壁或大地良好接觸，接地電阻＜2Ω

。">7, grounding wire to the vessel wall or the earth with good contact, the grounding resistance is less than 2.

、音叉限位開關(guān)通常采用側(cè)裝方式安裝與倉體側(cè)壁對料高度進(jìn)行上下限位置檢測，當(dāng)倉體不便側(cè)面開孔時可采用頂裝

，位置選擇能避開料位沖擊的位置

。">8, fork limit switch usually uses side mounted installation and silo wall material on the height of the upper and lower position detection, when the inconvenience of silo of side hole can be used when the top loading, location selection can avoid material impact position.

Seventh, note:

，將其插入罐體

，用扳手卡住傳感器螺紋上部的六方形擰緊即可，注意不要用手?jǐn)Q動殼體

，因?yàn)樵跀Q緊的過程中會造成殼體與探桿間發(fā)生轉(zhuǎn)動

。">When installing the sensor, inserted into the tank, with a wrench at the upper part of the hexagonal sensor screw can be tightened, not moving case wring their hands, because in the process of tightening will cause the shell and the probe rod rotates between. 。">The connecting cable electronic unit and sensor in the factory inside the casing is connected, screwing the shell will connect the internal tensile cable.

，以免損壞壓電晶體。">A. installation when the fork body do not have a strong impact, so as to avoid damage to the piezoelectric crystal.

，叉體的兩個平行叉板應(yīng)取與地面垂直方式（此時叉體方向標(biāo)記沖上或者沖下）

，以保證物料能容易地從叉板之間流出。">B. meter sensor should try to avoid the impact of the material, the level of installation, the fork body two parallel fork plate should be perpendicular to the ground (the way fork onto or down direction markers), to ensure that the material can easily flow out from between the forks.

、選型編碼：">Eight, the selection of encoding:

Code	name call
ZW-ZBK-	Compact fork liquid level switch (Zhongwei control)
Code	DesIgn Serial Number
A	Ordinary type
B	High temperature type
C	Health type
D	Anti-corrosion type
	Code	Insertion depth
	01	100mm (standard)
	02	Bar type extension 100mm-3000mm Optional
	03	Cable type lengthened body 1m-100m Optional
	04	38mm (compact)
		Code	Texture of material
		One	220V AC +-10%
		Two	24V DC +-10%
			Code	Texture of material
			One	Three hundred and four (standard)
			Two	Three hundred and sixteen
			Three	Stainless steel +PTFE
			Four	Other materials shall be marked
				Code	Process connection
				G	G1 Thread (standard)
				T	One inch NPT Thread
				F	(the need for flange flange installation specifications and standards specify)
				C	The user shall indicate the optional
					Code	Other parameters
					A	Normal atmospheric temperature C DEG
					B	Atmospheric pressureKpa
					C	Protection grade IP66
					D	Explosion isolationEXdIICT6
					E	high temperature C DEG
					F	high pressure Kpa ，">, Mpa
					()	Other user requirements

Nine, design selection and ordering information:

、請按選型標(biāo)記注明各項(xiàng)參數(shù)

；">1, please specify the parameters according to the selection marker;

、溫度

、壓力；">2, also indicate the medium name, temperature and pressure;

、測量料位時，注明物料名稱

、粒度及容量

；">3, to measure the material level, indicating the material name, size and capacity;

，請注明標(biāo)準(zhǔn)號

；">4, such as the use of other standard flanges, please indicate the standard no.;

。">5, please indicate whether a protective cover or protection plate flange.

Customer service service commitment:

、我公司所售液位開關(guān)系列產(chǎn)品在十二個月以內(nèi)出現(xiàn)質(zhì)量問題的，負(fù)責(zé)免費(fèi)維修

。">1, our level switch series products quality problems within twelve months, responsible for free maintenance.

、質(zhì)保期內(nèi)如我公司產(chǎn)品出現(xiàn)任何質(zhì)量問題，我公司負(fù)責(zé)免費(fèi)維修或更換

。">2, the warranty period if the products of our company have any quality problems, our company is responsible for free repair or replacement.

、質(zhì)保期內(nèi)如用戶使用不當(dāng)，造成產(chǎn)品損壞

，我公司負(fù)責(zé)維修

，收取損壞部件成本費(fèi)。">3, the warranty period if the user use undeserved, cause damage to the product, our company is responsible for the maintenance, collect the damaged parts cost.

、質(zhì)保期后產(chǎn)品出現(xiàn)質(zhì)量問題

，我公司負(fù)責(zé)維修，收取損壞部件成本費(fèi)

。">4, after the warranty period of product quality problems, our company is responsible for the maintenance, collect the damaged parts cost.

、如用戶需我公司現(xiàn)場服務(wù)，對省內(nèi)用戶我公司服務(wù)人員12小時內(nèi)到達(dá)現(xiàn)場，省外用戶48小時內(nèi)到達(dá)現(xiàn)場

。">5, if the user needs to our service, our company in the province of the user service personnel arrived at the scene within 12 hours, arrived at the scene 48 hours outside users.

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