Instrument

RTD Type Thermocouple

Platinum Thermocouple

Features

• Spring thermal element with good shock-proof/Wide measuring range/High precision

• Material: stainless steel

• Measurement temperature range: -200℃～500℃

• Type: RTD-Type

• Wiring Mothed: Single Wiring Method, Double branch wiring method

• Min. order: 1 piece

• Customization

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RTD Type Thermocouple Overview

An RTD type thermocouple (Resistance Temperature Detector or Resistance Temperature Device) is one of the most prevalent RTD type temperature sensors used in industry today. Also commonly referred to as PT100/PT1000, its resulting popularity is due to its accuracy and response, at temperatures between -200℃ to +500℃.

Industrial RTD type thermocouple is used as a measuring temperature sensor. It is usually used with instruments, recorders, and electronic regulators. It can directly measure or control liquid, vapor, and the temperature of the surface of gaseous media and solids, in various production processes from -200°C to +500℃.

According to the national regulations, our company’s fabricated thermocouples, meet the IEC international standard graduation number Pt100 platinum thermal resistance, and the professional standard graduation number Cu50 copper thermal resistance, two types of assembly, unified design type thermal resistance. If you need another size, we can customize it for you. According to the connection method, RTD type thermocouple can be divided into RTD Type thermocouple without fixing device, fixed thread type RTD Type thermocouple, movable flange type RTD Type thermocouple, fixed thread conical RTD Type thermocouple, flexible pipe joint type RTD Type thermocouple, and straight pipe joint type RTD Type thermocouple, and fixed threaded pipe joint type RTD Type thermocouple, the following is an example of fixed threaded RTD Type thermocouple, the specific product parameters are as follows:

Fixed Thread RTD Type Thermocouple Parameter
Type	Graduation	Measuring Range	thermal response time	Specification
				d/mm	L*I/mm
WZP-220	PT100	-200℃ ~+500℃	<90s	φ16	300x150 350x200 400x250 450x300 500x350 550x400 650x500 900x750 1150x1000 1650x1500 2150x2000
WZP2-220
WZP-220G	PT100	-200℃ ~+500℃	<24s<90s<90s	φ16
WZP2-220G
WZP-221	PT100	-200℃ ~+500℃	<90s<24s<90s<90s<24s<90s	φ12
WZP2-221
WZP-221G	PT100	-200℃ ~+500℃	<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s	φ12
WZP2-221G
WZP-230	PT100	-200℃ ~+500℃	<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s	φ16
WZP2-230
WZP-230G	PT100	-200℃ ~+500℃	<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s	φ16
WZP2-230G
WZP-231	PT100	-200℃ ~+500℃	<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s	φ12
WZP2-231
WZP-231G	PT100	-200℃ ~+500℃	<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s	φ12
WZP2-231G
WZC-220	Cu50, Cu100	-50℃ ~+100℃	<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s	φ16
WZC-220G	Cu50, Cu100	-50℃ ~+100℃	<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ16
WZC-230	Cu50, Cu100	-50℃ ~+100℃	<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ16
WZC-230G	Cu50, Cu100	-50℃ ~+100℃	<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ16
WZC-221	Cu50, Cu100	-50℃ ~+100℃	<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ12
WZC-221G	Cu50, Cu100	-50℃ ~+100℃	<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ12
WZC-231	Cu50, Cu100	-50℃ ~+100℃	<120s<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ12
WZC-231G	Cu50, Cu100	-50℃ ~+100℃	<40s<120s<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<24s<90s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s<120s<40s<120s<40s<120s<40s<120s<24s<90s<24s<90s<24s<90s<24s<90s	φ12
Remark:
A) Models 220 and 221 are spray-proof type with protection level IP65; models 230 and 231 are waterproof type with protection level IP55
B) The material of the protective tube is 1Cr18Ni9Ti, and other materials are ordered according to the agreement
C) Nominal pressure ≤ 10MPa
D) If you need another size, we can customize it for you.

RTD Type Thermocouple Classification

· According to the structure, RTD Type Thermocouple can be divided into assembly thermocouple, armored thermocouple, and explosion-proof thermocouple;

· According to the logarithm, RTD Type Thermocouple can be divided into single, double, and multiple thermocouples;

· According to the electrode resource status, there are PT100 thermocouples and Cu metal thermocouples;

· According to the purpose, there are thermocouples for vacuum, high temperature wear-resistant thermocouples, and so on.

· Thermocouple product names generally contain various classification meanings such as structural features, graduation numbers, and logarithms, such as WZP-type double-branched thermocouples.

RTD Type Thermocouple Features

◒ Spring thermal element with good shock-proof

◒ No need to compensate wire, save cost

◒ Wide measuring range, high measuring accuracy

◒ High mechanical strength, good press-resistant performance

◒ Import thin-film resistance element, stable performance

RTD Type Thermocouple Main Parameters

RTD Type Thermocouple Main Technical Parameters
Executive standard			IEC751JB/T8622-1997JB/T8623-1997
Insulation Resistance at Normal Temperature			The thermal resistance is at an ambient temperature of 15~35°C, a relative humidity of not more than 80%, and a test voltage of 10~100v (DC). The insulation resistance between the electrode and the outer casing is ≥100MΩ.
Wiring Method			Single Wiring MethodDouble branch wiring method
Measuring Range&Tolerance Deviation
Type	Graduation	Measuring Range ℃	Accuracy	Tolerance Deviation
WZP	Pt100	-200 ~+500	A class	±(0.15+0.002\|t\|)
			B class	±(0.15+0.002\|t\|)
WZC	Cu50Cu100	-50~+100	--	±(0.3+0.006\|t\|)

RTD Type Thermocouple Working Principle

Company Profile

CN BOILER ENGINEERING SOLUTION LLC is a comprehensive service provider of thermal energy systems in China, devoted to providing customers with one-step thermal energy system solutions by safe, save energy, environmentally, intelligent, and reliable. Main products include industrial boilers(hot water boilers, steam boilers, thermal oil boilers, waste heat boilers, and CFB boilers), steam generators(electric steam generators, electric hot water generators), intelligent control system by PLC control, PLC+PC control or DCS control, remote instrument and valves, and so on. The control system includes industrial boiler control system(oil fired boilers, gas fired boilers, biomass fired boilers, coal fired boilers, electric boilers, waster heat boilers, CFB boilers), PLC deaerator control system, condensate recovery system, reactor control system, heating exchanger control system, hot air boiler control system etc. The remote instrument and valves include temperature sensors, pressure transmitters, pressure sensors, pressure controllers, liquid level meters, flowmeters, electric control valves, Zirconia, TDS sewage, and so on.

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