Products

Temperature Transmitter

Categories Smart Industrial Transmitters, Temperature Transmitters

Temperature Transmitter

The ADDA-T-GY Series temperature transmitter uses thermocouple or RTD sensing to measure, transmit, and display the temperature of solid surfaces, liquids, and gases. It supports digital cold-junction compensation, nonlinear correction, and local or remote parameter adjustment through HART communication.

Authoritative Qualification Certifications

We hold ISO quality certification, national high-tech enterprise qualification, China measuring instrument type approval, and explosion-proof and safety certifications to support reliable product quality.

Custom Engineering

Configurable materials, connections, signals, displays, and installation solutions for different process environments.

Product Features

The ADDA-T-GY Series thermocouple and RTD temperature transmitter measures, transmits, and displays the temperature of solid surfaces, liquids, and gases. Key features include:

Sealed with silicone rubber or epoxy resin for vibration and moisture resistance; suitable for harsh operating environments.
High accuracy, low quiescent power consumption, stable and reliable operation, and long service life.
Two-wire 4mA.dc.~20mA.dc output with strong interference resistance and long transmission distance.
Digital cold-junction compensation and nonlinear correction.
Intrinsically safe and flameproof versions for installation in Zone 0, Zone 1, Zone 2, and other hazardous areas.
The digital display orientation can be adjusted to suit installation requirements. It displays measured temperature, output current, and percentage in real time.
HART communication supports local or remote parameter adjustment and monitoring through a handheld communicator.

Applications

Temperature measurement in petroleum, chemical, metallurgical, electric power, and other industries.

Measuring Medium

Media compatible with the wetted materials.

Performance Specifications

Accuracy	±0.1%, ±0.2%, 0.5% Upper Range Limit, see specifications for details
Range	-230~1820 degrees C, see selection table for details
Annual Stability	±0.1% Span/2 years
Voltage Influence	When the supply voltage varies within 10.5V/16.5V~36V DC, changes in zero point and span shall not exceed ±0.001%URL/V
Output Signal	4mA~20mADC+HART Modbus-RTU/RS485
Protection Grade	IP67

Range

Sensor Type	Measuring Range degrees C	Minimum Measurable Range degrees C	Measurement Accuracy (whichever is greater) degrees C
Pt100	-200~600	50	±0.2% range or ±0.2
Pt1000	-200~350	50	±0.2% range or ±0.2
K	-230~1370	100	±0.1% range or ±0.5
N	-200~1300	100	±0.1% range or ±0.5
E	-200~1000	100	±0.1% range or ±0.5
J	-210~1200	100	±0.1% range or ±0.5
T	-200~400	100	±0.1% range or ±0.5
R	-50~1760	200	±0.1% range or ±1
S	-50~1760	200	±0.1% range or ±1
B	0~1820	200	±0.1% range or ±1
Note: cold-junction compensation error must also be added during thermocouple measurement (internal cold-junction error <0.5 degrees C)

Environmental Conditions

Hazardous Area	PCEC	Certificate No.: CE19.2398X Certificate No.: CE19.3332 Ex ia IIC T6 Ga Ex d IIC T6 Gb
Item	Condition
Operating Ambient Temperature Range	-40 degrees C ~ 85 degrees C, LCD display: -20 degrees C ~ 70 degrees C
Storage Ambient Temperature Range	-40 degrees C ~ 100 degrees C, LCD display: -40 degrees C ~ 85 degrees C
Operating Ambient Humidity Range	5%RH~100%RH@40 degrees C

Electromagnetic Compatibility Environment

No.	Test Item	Basic Standard	Test Condition	Performance Level
1	Radiated Disturbance (Enclosure)	GB/T 9254.1/CISPR22	30MHz-1000MHz	B (Note 2)
2	Conducted Disturbance (DC Power Port)	GB/T 9254.1/CISPR22	0.15MHz-30MHz	B (Note 2)
3	Electrostatic Discharge (ESD) Immunity	GB/T 17626.2/IEC61000-4-2	4kV (contact), 8kV (air)	A (Note 1)
4	RF Electromagnetic Field Immunity	GB/T 17626.3/IEC61000-4-3	10V/m (80MHz-1GHz)	A (Note 1)
5	Power Frequency Magnetic Field Immunity	GB/T 17626.8/IEC61000-4-8	30A/m	A (Note 1)
6	Electrical Fast Transient/Burst Immunity	GB/T 17626.4/IEC61000-4-4	2kV (5/50ns, 100kHz)	A (Note 1)
7	Surge Immunity	GB/T 17626.5/IEC61000-4-5	4kV (line-to-line) 2kV (line-to-ground)	A (Note 1)
8	Conducted Disturbance Immunity Induced by RF Fields	GB/T 17626.6/IEC61000-4-6	3V (150kHz-80MHz)	A (Note 1)
Note 1: For performance level A, performance remains normal within the technical specification limits Note 2: For performance level B, function or performance may temporarily decrease or be lost, but can recover automatically, actual operating status, storage and data remain unchanged

Power Supply and Load Conditions

Item	Operating Condition
Power Supply Voltage	HART communication protocol: 16.5V~36V DC
Intrinsically safe version: HART communication protocol: 18.5V~28V DC
Modbus-RTU/RS485: 12V~36V DC
Load Resistance	0Ω~2119Ω during operation 250Ω~600Ω for HART communication
Transmission Distance	< 1000m
Power Consumption
4mA~20mA	<= 500mW@24V DC, 20.8mA
Modbus-RTU/RS485	<= 240mW@24V DC, 10mA

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Frequently Asked Questions

Find quick answers about product selection, customization, technical parameters, delivery, and support for ADDA industrial measurement instruments.

What information should I provide before selecting an instrument?

Please provide the measured medium, measuring range, process temperature, process pressure, connection type, output signal, power supply, installation environment, and communication method if remote monitoring is required.

Can ADDA customize instruments for specific applications?

Yes. ADDA can provide customized solutions based on measuring range, process connection, wetted material, display type, communication protocol, installation method, and working environment.

Are your instruments suitable for hazardous areas?

Many ADDA instruments are available with explosion-proof or intrinsically safe configurations. Please confirm the site classification and certification requirements before selection.

What industries are your products used in?

Yes. Our team can help recommend a suitable instrument configuration after reviewing your application conditions, including medium, range, connection, output signal, and installation requirements.

Do you provide technical support for product selection?

Lead time depends on product type, quantity, customization requirements, and certification needs. Standard products usually have a shorter delivery time, while customized models may require additional production time.

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Temperature Transmitter