Thermocouple assembly.

WRNWith thermocouple As a measurement of the temperature transmitter and usually display instrument …

Description：

、產(chǎn)品概述：">、產(chǎn)品概述：">Productoverview:

WRN With thermocouple 、蒸汽和氣體介質(zhì)以及固體的表面溫度

。">As a measurement of the temperature transmitter and usually display instrument and record instrument and electronic regulator supporting the use of. It can be directly measured in various production processes from 0 to 1800 DEG C. the range of liquid, steam and gas and solid surface temperature.

、鉑銠10－鉑、鎳鉻－鎳硅

、鎳鉻－康銅等等的裝配式熱電偶。">According to state regulations, thermocouple assembly production company according to the international standard IEC 30 - Platinum Division No. 6, 10 Platinum Rhodium Platinum, nickel chromium nickel silicon, nickel constantan etc..

、工作原理：">Two, work principle:

。">WRN series of <strong> assembly type thermocouple</strong> electrodes by two different conductor materials. 、形成回路，直接測溫端叫測量端

，接線端子端叫參比端

。">The working principle of two different components of the conductor ends by welding, forming a loop direct temperature measuring end call measurement end, terminal end call reference end. ，就會在回路中產(chǎn)生熱電勢

，接上顯示儀表

，儀表上就指示出熱電偶所產(chǎn)生的熱電動勢的對應(yīng)溫度值

。">When there is temperature difference between the measuring terminal and a reference terminal, will produce thermal emf 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.

，熱電動勢的大小只與熱電偶導(dǎo)體材質(zhì)以及兩端溫差有關(guān)，與熱電極的長度

、直徑無裝配式熱電偶主要由接線盒

、保護管

、絕緣套管

、接線端子

、熱電極組成基本結(jié)構(gòu)，并配以各種安裝固定裝置組成

。">WRN series <strong> thermocouple assembly</strong> of the thermoelectric power with the measuring end temperature rise, thermoelectric sizeonly withthermocouple conductor material and the temperature difference between the two ends of the length, diameter and thermal electrode without thermocouple assembly is mainly composed of a junction box, protection tube, insulation casing, terminals, power extremely basic structure, and in a variety of fixed device.

Three, main features:

、裝配簡單，更換方便；">1, simple assembly, convenient replacement;

、壓簧式感溫元件，抗振性能好

；">2, the pressure spring type temperature sensing element, good anti vibration performance;

；">3, large range of temperature measurement;

、機械強度高

，耐壓性能好

。">4, high mechanical strength, good pressure resistance.

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

Product executive standard

IEC584

IEC1515

GB/T16839-1997

JB/T5582-91

Insulation resistance at room temperature:

，相對濕度不大于80%

，試驗電壓為500±50V（直流）電極與外套管之間的絕緣電阻>1000Ω.m

。">When the environment temperature is 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.

、測量范圍及基本誤差限：">Fifth, the measurement range and basic error limit:

Thermocouple type	Code	Graduation	measuring range	Basic error limit
Nichrome constantan	WRK	E	0-800 C	+ 0.75%t
Nickel chromium nickel silicon	WRN	K	0-1300 C	+ 0.75%t
13- platinum rhodium	WRB	R	0-1600 C	+ 0.25%t
Platinum Rhodium 10 platinum	WRP	S	0-1600 C	+ 0.25%t
30 platinum rhodium 6	WRR	B	0-1800 C	+ 0.25%t

Note: t is the sense of temperature measured temperature component values (c) thermal inertia level

Thermal inertia level	Time constant (seconds)	Thermal inertia level	Time constant (seconds)
I	90180	III	10-30
II	30-90	IV	< 10

。">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)
，相對濕度＜80％時絕緣電阻≥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). ，當(dāng)相對溫度為93± 3℃ 時，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)
，其熱電極（包括雙支式）與保護管以及雙支熱電極之間的絕緣電阻（按每米計）應(yīng)大于下表規(guī)定的值。">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.
、選型代碼：">Sixth, code:

W	R	Specifications					Content (Zhongwei control)
		R					30- platinum rhodium 6
		P					10- platinum rhodium
		N					Nickel chromium nickel silicon
		E					Nickel - chromium (chromium Constantan)
		heat electric even materialmaterial	-	One			No fixed device
				Two			Fixed screw type
				Three			Movable flange
				Four			Fixed flange
				Five			A movable flange square form
				Six			Fixed thread taper protection tube
				Fixed form	Two		Splash proof
					Three		Waterproof type
					Four		Flameproof type
					Connection box	Zero	16mm protection tube
						One	25mm protection tube (double casing)
						Two	16mm high aluminum tube (single tube)
						Three	20mm high aluminum tube
						DesIgn Serial Number	.
W	R	.	-	.	.	.	.

、設(shè)計選用及訂貨須知：">Seventh, design selection and ordering information:

、安裝固定形式、保護管材質(zhì)

、長度或插入深度（保護管總長L=l+150

，特殊插入深度及其保護管材質(zhì)可按協(xié)議定貨）。">Please provide the indexing number, precision grade, fixed form, protection material, length or depth of insertion tube (protective tube length L=l+150, special insertion depth and protection tube material can be ordered according to the agreement).
Customer service service commitment:
、我公司所售熱電偶系列產(chǎn)品在十二個月以內(nèi)出現(xiàn)質(zhì)量問題的

，負(fù)責(zé)免費維修。">1, my company sold thermocouple series products in quality problems arise 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

。">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

。">4 after the warranty period, 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)到達現(xiàn)場，省外用戶48小時內(nèi)到達現(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, 48 hours outside users arrive at the scene.

、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)到達現(xiàn)場

，省外用戶48小時內(nèi)到達現(xiàn)場

。">

，對省內(nèi)用戶我公司服務(wù)人員12小時內(nèi)到達現(xiàn)場，省外用戶48小時內(nèi)到達現(xiàn)場。" style="background: transparent;">

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