Industrial Temperature Transmitters Manufacturers

Temperature Transmitters for Industrial Measurement and Control

At Jiangsu Zhaolong Electrics Co., Ltd., we design and manufacture temperature transmitters that sit between the temperature sensor and the control system, converting small thermocouple or RTD signals into stable, standardized outputs for PLCs, DCS, and panel instruments. As a Temperature transmitter manufacturer, we support simple loop replacements and large automation projects with DIN rail, intelligent, and analog configurations from our Jiangsu, China factory.

Operating since 2005, our factory covers 33,300 m² with around 100 employees, and we function as a high-tech enterprise and production base for temperature sensors and temperature control instruments. Typical applications include chemical processing, natural gas, petroleum refining, power, metallurgy, building materials, and food machinery, where thermocouple or RTD signals must reach a controller reliably. Our engineering team has developed thermocouples, RTDs, and temperature control electronics together with Shanghai R&D institutions and academies, and we routinely adapt transmitter assemblies to customer drawings, samples, and process conditions.

Our Temperature Transmitter Range

The range is divided into three application-oriented subcategories, all built around the same measurement principle: receive a temperature-dependent sensor signal, condition it, and output a standardized signal for monitoring or closed-loop control.

How Transmitters Improve Signal Quality in the Loop

Temperature sensors produce low-level signals that can be affected by cable length, electrical noise, and ground potential differences. A transmitter conditions the signal close to the sensor or in the cabinet so the control system receives a cleaner, more consistent value.

• Sensor matching: We support thermocouple and RTD inputs, and the full-isolation integrated transmitter also accepts resistance and voltage signals for flexible field connection.
• Standardized output: Analog configurations are typically wired as 4-20 mA loop transmitters; intelligent versions add digital communication and diagnostic information.
• Electrical isolation: Full-isolation designs separate input, output, and power to reduce ground loops in multi-point installations.
• Mounting flexibility: Rail transmitters suit control cabinets, while integrated and head-mounted versions can be assembled with the sensor itself.

Configuration and Automation Integration

We configure each transmitter based on sensor type, temperature range, output requirement, and cabinet or field mounting. Our intelligent line includes a full-isolation integrated temperature transmitter and an integrated temperature transmitter, both of which can be supplied as complete measurement assemblies with thermocouple or RTD sensing elements.

At project level, we design and install automatic temperature control boxes, temperature control rooms, and remote monitoring temperature control systems. This allows a customer to source the sensor, transmitter, controller, and system integration from one manufacturing base. For complete loops, we can also supply matching thermocouple heads, connectors, and compensation wire from the same factory.

Quality, Calibration, and Compliance

We implement quality supervision throughout production and test products before dispatch. Our quality system follows GB/T 19001-2016/ISO9001:2015, with ISO14001 environmental management certification and CE marking on relevant products; the company also holds multiple invention and utility patents.

• Factory testing covers accuracy and stability across the operating temperature range.
• Calibration equipment supports temperatures from -200°C to 2000°C with a resolution of 0.01°C.
• Explosion-proof thermocouples and RTDs are produced under national explosion-proof production qualification, obtained in 2013.

Information We Use to Configure Your Solution

To prepare a precise configuration and quotation, we start from the working point and installation rather than from a generic catalog model. The input data below defines the transmitter module, housing, sensor match, and output:

• Normal operating temperature and maximum or minimum process excursions
• Sensor type, calibration, and connection head or probe construction
• Required output signal and power supply arrangement
• Mounting position: DIN rail, connection head, field bracket, or integrated assembly
• Distance to the control room and expected electrical interference level
• Process connection, material, pressure, and environmental rating
• Hazardous area classification and required protection method
• Target accuracy, response, quantity, and delivery schedule
• Drawings or samples for OEM-style customization

Installation, Maintenance, and Lifecycle Support

Temperature transmitter modules are designed for straightforward installation in existing loops. Integrated versions are supplied and tested with the sensing element, reducing field assembly time and simplifying loop commissioning.

We provide up to 12 months warranty, calibration service, and spare parts supply. Technical inquiries normally receive a response within 12 hours. For export deliveries, we use sea freight from the Jiangsu area and can arrange air freight for urgent schedules; trade terms are confirmed at quotation.

Frequently Asked Questions

What is the difference between rail, intelligent, and analog temperature transmitters?

Rail units mount on DIN rail in control cabinets and are selected when thermocouple or RTD signals are brought back to a central panel. Analog modules suit simple 4-20 mA loops for direct replacement or OEM use. Intelligent transmitters add digital communication, diagnostics, and more flexible input handling; our integrated and full-isolation models fit directly in a temperature sensor assembly.

Which sensors can be connected to your transmitters?

Depending on the module, we support thermocouple, RTD, resistance, and voltage signal inputs. The full-isolation integrated transmitter is configured for RTD, thermocouple, resistance, and voltage, which allows one range to work with our assembled thermocouples, RTDs, and custom resistive elements.

Can you supply the transmitter together with a thermocouple or RTD?

Yes. Integrated temperature transmitters combine the transmitter module with a thermocouple or thermal resistance sensing element in one structure, so the assembly measures and transmits directly to the control system. We also make complete sensor assemblies in our factory, so the transmitter and sensor can be matched and tested together.

Do you offer explosion-protected measurement assemblies?

We hold national explosion-proof production qualification for explosion-proof thermocouples and RTDs, obtained in 2013, and we can combine these sensors with suitable transmitter configurations for hazardous-area projects.

How do you test transmitters before delivery?

Each product is tested for accuracy and stability within its operating range before shipping. Our calibration equipment covers -200°C to 2000°C with resolution to 0.01°C, and we provide calibration guidance and standard specifications with deliveries.

Can the transmitter be customized based on drawings or samples?

Yes. Customized production is our core business. We develop and manufacture according to drawings or samples, and we design and install automatic temperature control boxes, temperature control rooms, and remote monitoring systems when a project needs more than a single transmitter.