Ⅰ. Product Introduction

GRAEFF has always been centered on "precise perception", and its GT series temperature sensors are tailor-made for multiple scenarios such as industry, pharmaceuticals, plastics, and automobiles. From material selection to manufacturing process, and then to the rapid response measurement design, the GT series temperature sensors, with advantages such as "high reliability, strong adaptability, and high precision", have become the "temperature nerve center" for stable production in various industries.

• GT7032/GT7132

Preferred for plastics, pharmaceuticals, and power plants. Perforated protective tube for rapid gas flow temperature measurement. Made of stainless steel 1.4571 for moisture resistance. Tool/heating block monitoring without pressure

• GT7027/GT7127

Suitable for industrial plants/furnaces, resistant to 600℃ high temperature, supports anti-vibration design + interchangeable inserts, flexible selection of protective tube diameter 6-12mm

• GT7082/GT7182

Plastic processing machinery partners, single/double thermocouples/thermal resistors available, spring wire protection to prevent breakage, maximum resistance to 400℃

• GT9000

Specifically designed for melt temperature measurement (liquid/paste plastics), with a conical head suitable for high-viscosity materials, resistant to 400℃ and with a fast response

• GT8000/GT8100

Versatile for industrial and mechanical engineering, resistant to 600℃ high temperature, neck tube heat insulation protective connection head, optional head transmitter output 0-10V/4-20mA signal

• GT7012/GT7112

Compatible with extrusion equipment, resistant to 450℃, stainless steel cable anti-aging, 10,000mm long torsion protection spring to prevent wire breakage

• GT7043/GT7143

Injection molding tools, 50 years of melt testing experience, customizable connection dimensions (M10/M14*1.5, etc.), special coatings extend service life

• GT7040/GT7140

Pipeline/storage tank liquid monitoring, no leakage when replacing sensors with closed sleeves, quick-release snap-lock, installation length freely determined

• GT9110

Suitable for extrusion/injection molding, it can accurately measure temperature even in harsh working conditions. Special material versions (such as Hastelloy, etc.)

Customized Series:

Provide exclusive solutions tailored to the special scenarios and personalized needs of various industries. Temperature sensors can be customized in terms of core parameters and structural design according to customers' specific requirements. It covers multi-dimensional customization including measurement range, accuracy class, sensor type (thermocouple, thermal resistor, etc.), material selection (special alloy, anti-corrosion coating, etc.), installation method (thread, flange, etc.), output signal, protection class, and overall dimension. These customizations ensure compatibility with customers' unique production equipment, working conditions, and application needs, providing dual guarantees of accurate temperature measurement and stable adaptation.

Ⅱ. Application Fields

The GRAEFF GT series temperature sensor, as a device capable of sensing ambient temperature and converting it into a usable output signal, It has extensive applications in fields such as plastic extrusion equipment, chemical fiber industry, food processing, pharmaceutical industry, industrial automation, petrochemicals, construction and HVAC, automotive electronics, medical and health care, environmental monitoring, aerospace, etc.

1. Plastic extrusion equipment

During the plastic extrusion production, the temperature of each section of the barrel needs to be monitored through temperature sensors to prevent the material from degrading or charring due to excessively high temperatures, or the melting effect of the material from being affected by excessively low temperatures. By precisely feeding back the temperature of each section of the barrel, uneven melting or overheating degradation of the plastic is avoided. At the same time, the mold temperature is stabilized to ensure that the plastic parts do not deform and have accurate dimensions after molding, providing a reliable guarantee for the quality of plastic products.

2. Chemical fiber industry

The entire process of chemical fiber production relies on its precise temperature control. During the polymerization reaction stage, it monitors the temperature inside the reactor in real time to maintain a stable polymer reaction rate and ensure the uniformity of the molecular structure of the fiber raw materials. During the spinning process of chemical fibers, a stable spinneret temperature is the core to ensure uniform fiber thickness and meeting strength standards. Sensors continuously monitor and adjust the spinneret temperature to prevent fiber breakage and an increase in defective product rates due to temperature fluctuations, ensuring continuous and stable production. The stretching and heat setting processes in post-treatment also rely on it to maintain a constant temperature and enhance the elasticity and strength of chemical fiber products.

3. Food processing

During the baking process, the oven temperature must be kept constant. The temperature sensor adjusts the temperature in real time to prevent the food from burning due to excessively high temperatures or affecting the taste and doneness due to excessively low temperatures. During the pasteurization process, the temperature must be precisely controlled at 60-85℃. Sensors continuously monitor the temperature to ensure that harmful bacteria are killed while preserving the nutrition and flavor of the food, safeguarding the bottom line of food quality and safety.

4. Pharmaceutical industry

Pharmaceutical production must strictly follow GMP standards. The temperature stability of the fermentation tank directly affects the activity of the strain and the generation of drug components. The temperature sensor regulates the temperature in real time to ensure the stability of the fermentation process. In sterilization equipment, sensors precisely monitor the sterilization temperature and duration to ensure the sterility of the drugs, eliminating the impact on drug efficacy or safety issues caused by temperature fluctuations. Meanwhile, its moisture-proof and corrosion-resistant properties can also adapt to the special environment of pharmaceutical workshops.

5. Industrial automation

In the context of steel smelting, temperature sensors track the internal temperature of the furnace in real time, providing precise data support for the automatic temperature control system, ensuring the stability of the smelting process temperature and guaranteeing the quality of steel. In chemical production, real-time monitoring of temperature changes in reactors, timely early warning of abnormal temperatures, and prevention of reaction failure or safety accidents caused by temperature runaway are key links in building an automated closed loop of production lines.

6. Petrochemical industry

In the petrochemical industry, the operating temperature of large generators and transformers directly affects the lifespan and safety of the equipment. Temperature sensors monitor the temperature in real time to prevent equipment damage due to overheating. Meanwhile, in core equipment such as reactors and distillation towers, sensors precisely control the reaction temperature and separation temperature, ensuring the refining and chemical efficiency and product quality, and avoiding raw material waste or substandard products due to temperature deviations.

7. Architecture and HVAC

As a core component of building temperature control, it is compatible with various building HVAC systems. Real-time monitoring of indoor environmental temperature (such as 20-24℃ in winter and 24-26℃ in summer), and automatic start and stop of heating and cooling equipment in linkage, taking into account both living comfort and energy conservation. At the same time, monitor the water temperature of the heating pipes to prevent them from cracking due to freezing in winter. In large shopping malls, office buildings and other places, temperature can also be monitored in different zones to achieve precise temperature control and reduce energy consumption.

8. Automotive electronics

In the field of automotive electronics, it safeguards the safety and performance of vehicles. Monitor the temperature of the engine coolant (normal: 80-100℃). When it is too high, trigger the cooling system to prevent the engine from boiling over. Monitor the temperature of the transmission to ensure smooth gear shifting and extend the lifespan of components. When adapted to new energy vehicles, it can assist in monitoring the temperature of the battery pack, prevent overcharging and overheating from causing fires, and at the same time optimize battery range, enhancing the safety and reliability of vehicle use.

9. Medical and health care

In medical equipment, temperature sensors are used to measure human body temperature, the temperature of surgical instruments, etc., to ensure the safety and effectiveness of medical processes. When medical equipment such as blood analyzers are in operation, there are strict requirements for the ambient temperature and the internal temperature of the equipment. Sensors regulate the temperature in real time to ensure the normal operation of the equipment and avoid distorted test results due to temperature deviations, which may affect medical diagnosis and the formulation of treatment plans.

10. Environmental monitoring

In meteorological stations, temperature sensors monitor changes in atmospheric temperature over a long period of time, providing basic data for meteorological prediction and climate analysis. In the Marine observation station, sensors penetrate deep into the water body to monitor water temperature, facilitating the study of Marine ecology and ocean current changes. In soil monitoring scenarios, sensors record soil temperature, providing data support for agricultural production and ecological protection. Their long-term stability and resistance to environmental interference are the keys to ensuring the reliability of monitoring data.

11. Aerospace

The aerospace field has extremely high requirements for the environmental adaptability of equipment. This series can cope with extreme temperature differences. Monitor the temperature of the combustion chamber of the aircraft engine to prevent high temperatures from burning out components and ensure stable power output. Inside the cabin, the ambient temperature is precisely controlled to enhance the comfort of the occupants. In the electronic component compartments of satellites and rockets, real-time temperature feedback (able to withstand extreme environments ranging from -200 ℃ to 150℃) is provided to prevent component failures caused by excessive temperature differences, thus supporting the smooth progress of space missions.

From industrial furnaces capable of withstanding 600℃ to demanding pharmaceutical workshops, from high-speed automobiles to sophisticated medical equipment, the GRAEFF GT series temperature sensors provide a strong guarantee for safe production and efficient operation in various fields by precisely measuring and controlling temperature.