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K type thermocouple

WRN series K type thermocouple Usually by the temperature sensing element, the main component of the…

Description：

、產(chǎn)品概述：">

、產(chǎn)品概述：">Productoverview:

WRN series K type thermocouple

。">Usually by the temperature sensing element, the main component of the fixing device and install wiring box etc.. ，其用量為其他熱電偶的總和。">Is currently the largest amount of base metal thermocouple, the sum of the amount of other thermocouple. 。">K type thermocouple wire diameter is 1.2 ~ 4.0mm. ，負(fù)極（KN）的名義化學(xué)成分為：Ni：Si=99：3，其使用溫度為-200~1300℃

。">Positive (KP) nominal chemical composition: Ni:Cr=92:12, negative (KN) nominal chemical composition: Ni:Si=99:3, the temperature of -200~1300 DEG C.

Two, work principle:

，兩種不同成份的導(dǎo)體兩端經(jīng)焊接

，形成回路，直接測(cè)溫端叫工作端

，接線端子端叫冷端，也稱(chēng)參比端

。">WRN series <strong> K type thermocouple</strong> is the working principle, two different components of the conductor ends by welding, forming a loop direct temperature measuring end called the working end, the terminal end is called the cold end, also called the reference terminal. ，就會(huì)在回路中產(chǎn)生熱電流，接上顯示儀表

，儀表上就會(huì)指示出熱電偶所產(chǎn)生的熱電動(dòng)勢(shì)的對(duì)應(yīng)溫度值。">When the temperature difference between the working end and the reference end, will produce thermal current in the circuit, connected to display instrument, the instrument will indicate the corresponding temperature of the thermocouple electromotive force generated by the value of the.

，是由導(dǎo)體

、高絕緣氧化鎂、外套 1Cr18Ni9Ti不銹鋼保護(hù)管

，經(jīng)多次一體拉制而成。">The structure of K type thermocouple, is a conductor, high insulation, Magnesium Oxide jacket 1Cr18Ni9Ti stainless steel protection tube, after repeated one drawn. 、接線端子和鎧裝熱電偶組成基本結(jié)構(gòu)，并配以各種安裝固定裝置組成

。">The product is mainly composed of armored thermocouple junction box, terminal and sheathed thermocouple components of the basic structure, and with various fixed device. 。">Armored thermocouple type insulation shell and then two.

Three, application:

、耐高壓、熱響應(yīng)時(shí)間快和堅(jiān)固耐用等許多優(yōu)點(diǎn)

，它和工業(yè)用裝配式熱電偶一樣，作為測(cè)量溫度的變送器

，通常和顯示儀表

、記錄儀表和電子調(diào)節(jié)器配套使用，同時(shí)亦可作為裝配式熱電偶的感溫元件

。">WRN series <strong> K type thermocouple</strong> has high pressure resistance, thermal bending, fast response time and durable, and its industrial thermocouple assembly, as temperature transmitter, and usually display instrument and record instrument and electronic regulator supporting the use of, at the same time as the assembly type thermocouple temperature sensing element. 、蒸汽和氣體介質(zhì)以及固體表面的溫度。">It can directly measure a kind of production process from the 0~1300 temperature range of liquid, steam and gas solids and surface temperature.

、主要特點(diǎn)：">Four, main features:

。">1, the detection (measuring component thermocouple) is one of the most commonly used temperature sensor industry.，其優(yōu)點(diǎn)是：">Must be equipped with two meter, the utility model has the advantages of:

The high accuracy of measurement. ，不受中間介質(zhì)的影響。">Thanks to direct contact with the object, is not affected by the intermediate medium.

。">The wide range of measurement. ，***高可達(dá)+2800℃（如鎢-錸）

。">The commonly used thermocouple from -50~+1600 DEG C can be continuously measured, some special thermocouple minimum measured to -269 degrees (such as gold, iron nickel chromium) up to +2800 DEG C (such as tungsten rhenium).

。">The structure is simple, easy to use. ，而且不受大小和開(kāi)頭的限制，外有保護(hù)套管

，用起來(lái)非常方便。">A thermocouple is usually composed of two different metal wires, and the limitation of size and opening, with protective sleeve, it is very easy to use.

、根據(jù)溫度測(cè)量范圍及精度

，選用相應(yīng)分度號(hào)的熱電偶">2, according to the temperature measurement range and accuracy, the corresponding selection of thermocouples

，一般選用B型熱電偶；要求精度不高

，氣氛又允許可用鎢錸熱電偶，高于1800℃一般選用鎢錸熱電偶

；使用溫度在1000~1300℃要求精度又比較高可用S型熱電偶和N型熱電偶；在1000℃以下一般用K型熱電偶和N型熱電偶

，低于400℃一般用E型熱電偶；250℃下以及負(fù)溫測(cè)量一般用T型電偶

，在低溫時(shí)T型熱電偶穩(wěn)定而且精度高

。">The use of temperature at 1300~1800 DEG C, and accuracy is relatively high, generally used in the B type thermocouple; the precision requirements, the atmosphere allows available tungsten rhenium thermocouple, above 1800 DEG C, generally used tungsten rhenium thermocouple; temperature at 1000~1300 degrees and relatively high precision by S type thermocouple and N type thermocouple; at 1000 DEG C general thermocouple thermocouple type K and type N, E type generally lower than 400 DEG C by thermocouples; 250 DEG C and negative temperature measurement with the general T type thermocouple, temperature stability and high precision T type thermocouple.

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

Product executive standard

IEC584

IEC1515

GB/T16839-1997

JB/T5582-91

。">Nominal pressure thermocouple: generally refers to the static outer protective tube can withstand working temperature and pressure rupture.

Thermocouple: minimum insertion depth should be not less than 8-10 times the diameter of the protective sleeve (Frederick product exception)

，相對(duì)濕度＜80％時(shí)絕緣電阻≥5兆歐（電壓100V）

。">Insulation resistance: when the ambient air temperature is 15-35 DEG C, relative humidity is less than 80% when the insulation resistance is more than 5 megohm (voltage 100V). ，絕緣電阻≥0.5兆歐（電壓100V）">With the splash proof junction box of the thermocouple, when the relative temperature is 93 + 3 DEG C, the insulation resistance of more than 500 billion euro (voltage 100V)

。">The insulation resistance of high temperature thermocouples under high temperature, the thermal electrode (including double type) and the insulation resistance between protection tube and double heat electrode (per meter) should be greater than the value specified under the table.

，相對(duì)濕度不大于80%，試驗(yàn)電壓為500±50V（直流）電極與外套管之間的絕緣電阻>1000Ω.m

。">Armored thermocouple at ambient temperature for 20 + 15 ~ C, the relative humidity is not more than 80%, the test voltage is 500 + 50V (DC) insulation >1000 resistor between.M electrode and outer tube.

Sixth, code:

Model										Explain
W										Temperature meter (Zhongwei control)
	R									Thermocouple
		P	The temperature sensing element material							P 10- platinum rhodium
		M								Nickel chromium nickel silicon - silicon
		N								Nickel chromium nickel silicon
		E								Nickel chromium - nickel copper
		C								Copper - copper nickel
		F								Iron - nickel copper
			K							Armoured type
				nothing	Wire log					Single
				Two						Double branch
					One	installfixedform				No fixed device
					Two					The fixed clip sleeve thread
					Three					The movable clamping sleeve thread
					Four					The fixed clip sleeve flange
					Five					The movable clamping sleeve flange
						Two	Connection box			Blowout type
						Three				Waterproof type
						Six				Round type
						Seven				Flat type
						Eight				Handle type
						Nine				The compensation wire type
							One	The working end form		Insulation type
Four								M	Additional chargeThe form	Contact block
								G		Hoop type package

；">Note: 1, according to the ordering protocol I thermocouple;

、保護(hù)管其余材質(zhì)根據(jù)協(xié)議訂貨

。">2, the remaining material according to the ordering protocol protection tube.
、設(shè)計(jì)選用及訂貨須知：">Seven, design selection and ordering information:
、型號(hào)；">1, model;
、分度號(hào)；">2, division no.;
、精度等級(jí)

；">3, precision grade;
、保護(hù)管材質(zhì)及形式

；">4, protection tube material and form;
、長(zhǎng)度或插入深度

。">5, the length or depth of insertion.
Customer service service commitment:

、我公司所售中偉熱電偶系列產(chǎn)品在十二個(gè)月以?xún)?nèi)出現(xiàn)質(zhì)量問(wèn)題的

，負(fù)責(zé)免費(fèi)維修

。">1, my company sold Zhongwei thermocouple series product 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(wèn)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.

，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.

，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(chǎng)服務(wù)，對(duì)省內(nèi)用戶我公司服務(wù)人員12小時(shí)內(nèi)到達(dá)現(xiàn)場(chǎng)

，省外用戶48小時(shí)內(nèi)到達(dá)現(xiàn)場(chǎng)。">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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