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PT100 Rtd 4-20mA Temperature Transmitter Thermocouple Temeperature Sensor

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Product Description

Basic Information
Model NO.
PT100
Output Signal Type
Analog Type
Material
SS316 SS304
Measuring Medium
Liquid, Gas
IP Rating
IP65
Output
4-20mA
Communicate
Hart
Sensor Type
PT100 / Thermocouple
Measure Range
-40-1800℃
Power
24VDC
Probe Material
SS304 SS316 Ceramic
Accuracy
0.1% 0.2%
Explosion Proof
Yes
Origin
China
Product Description

Temperature transmitter is usually used in conjunction with display instruments, recording instruments, electronic computers, etc. It can directly measure the temperatures of liquids, vapors, gases and solid surfaces during various production processes.

Thermocouple Principle: The working principle is based on the thermoelectric effect (Seebeck effect). When two different conductors form a closed circuit and a temperature difference exists between ends, a thermoelectric potential proportional to the temperature difference is generated.

Resistance Temperature Transmitter: The working principle is based on the physical property that the resistance value of a conductor or semiconductor changes with temperature. The transmitter converts the thermocouple and thermoresistor into standard electrical signals.

LQT2088/3051 Intelligent Temperature Transmitter

LQT2088 adopts an integrated design of transmission, measurement and display. Compared with traditional discrete digital display transmitters, it saves space and reduces installation difficulty. The product utilizes a 24-bits sigma-delta analog front end to ensure high precision. Enhanced security designs include anti-surge, anti-reverse connection, and multi-task scheduling optimization.

Technical Parameters
Power12~35VDC Output4~20mA
PrecisionRTD 0.1%; TC 0.2% Current Limit20.8mA
Excitation0.2±0.01mA SensorTC / RTD
Load250Ω or 500Ω Working Temperature-30~80ºC
Drift≤25ppm/ºC F.S. Shell MaterialPA66
Product Presentation
Certifications & Shipping
Frequently Asked Questions
What is the measurement range of the PT100 temperature transmitter?
The device supports a wide measurement range from -40℃ up to 1800℃, depending on the sensor type (RTD or Thermocouple) used.
Does this transmitter support Hart communication?
Yes, the transmitter is designed to communicate via the Hart protocol and provides a standard 4-20mA analog output signal.
What is the accuracy level of the LQT2088 series?
The transmitter offers high precision with 0.1% accuracy for RTD signals and 0.2% accuracy for Thermocouple (TC) signals.
Can it be used in hazardous environments?
Yes, the product is explosion-proof and has an IP65 rating, making it suitable for demanding industrial applications.
What power supply is required for operation?
The transmitter operates on a standard 24VDC power supply, with a functional range of 12V to 35VDC.
What materials are available for the sensor probe?
The probes are available in high-grade materials including SS304, SS316, and Ceramic to suit different measuring mediums.

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