X-Meritan is your reliable China high quality Two Stages Thermoelectric Coolers supplier. The two-stage thermoelectric cooler (Two-stage TEC) is a deep cooling solution specially designed by X-Meritan to break through the limits of single-stage cooling. It can provide an extremely low constant temperature environment for precision detectors and medical analysis equipment. As a leading comprehensive wholesale supplier and manufacturer in China, we rely on the semiconductor material research and development capabilities of our own factory to make sure that our Double Stages Thermoelectric Coolers meets international standards in terms of structural coupling and heat pump density. Through the scientific stacking of two-level modules, this device can stably maintain an ultra-low temperature range of minus 50 degrees Celsius to minus 100 degrees Celsius, making it an ideal choice for applications requiring extreme temperature differences.
The X-Meritan self-developed Two Stages Thermoelectric Coolers adopts a unique double-layer series structure. The first-stage module creates a pre-cooling environment for the second stage, enabling a depth of temperature difference that single-stage cooling cannot achieve. As a professional supplier of high-performance two-stage thermoelectric coolers, X-Meritan produces every Dual Stages Thermoelectric Coolers Peltier Module through rigorous thermal stress testing. This ensures that it maintains silent and vibration-free cooling performance even in a pure solid-state operation without moving parts or refrigerants. This device only requires direct current drive. With its compact ceramic substrate structure, it perfectly suits the research and industrial fields that have strict requirements for space, weight, and long-term reliability.
The core of theTwo Stages Thermoelectric Coolers lies in its precise thermal and mechanical balance design:
● High-performance ceramic substrate: Made of high-purity aluminum oxide (Al2O3) ceramics, it boasts excellent electrical insulation and thermal conductivity, ensuring efficient and directional heat transfer from the cold end to the hot end.
● Precision P-N coupling arm: The interior is composed of P-type and N-type semiconductor materials with high ZT values, which is the core for achieving deep heat dissipation. Xi'an Technology has enhanced the heat exchange efficiency of the materials in the low-temperature range through its independently developed material formula.
● Flow diversion and thermal coupling structure: The flow diversion blades connect each coupling arm to form an electrical circuit. The two-stage structure ensures that the first and second stages are closely physically aligned, creating a thermal coupling interface with extremely low thermal resistance.
● Industrial-grade power lead: Special wires are used to connect to an external DC power source, ensuring stable power supply even in special environments such as high vacuum or high humidity.
1. Xi'an Technology has its own production facility and is a professional supplier of electrical heating materials in China. We not only assemble modules, but also have control over the upstream semiconductor ingot production process, enabling us to provide customers with more cost-effective cryogenic solutions.
2. For the standard model of the dual-stage module, we maintain a regular inventory. With a well-established production scheduling system, standard orders can be shipped quickly, significantly shortening your R&D and procurement cycles.
3. For precision semiconductor devices, we use vacuum packaging that is anti-static and moisture-proof. This ensures that the products are protected from electrical interference and moisture damage during long-distance international transportation.
4. With extensive international freight handling experience, we have deep cooperation with renowned logistics companies such as DHL and FedEx, as well as high-quality express delivery services from China. We can provide the most cost-effective air or land transportation solutions based on the volume of goods, eliminating concerns about export qualifications and customs clearance.
5. Currently, the product has been exported to markets in Europe, Southeast Asia and North America, and is serving multiple Fortune 500 companies and leading research institutions.
Our Two Stages Thermoelectric Coolers have beem widely applied in the following areas:
- Infrared detection, CCD sensor noise reduction
- Aerospace, satellite communication equipment
- Medical biochemical analysis, laboratory ultra-low temperature cold stage
- Low-temperature characteristic testing of electronic components
A: The temperature difference (Delta T) of a single-stage TEC is limited by the physical properties of the materials and is usually difficult to reach below minus 50 degrees Celsius at ambient temperature. The two-stage structure utilizes the cascade effect, with the first stage bearing most of the environmental heat load, and the second stage further reducing the temperature at a lower reference point, thus breaking through the limit of single-stage cooling.
A: Heat dissipation is the lifeline of the two-stage module. Since the heat output of the hot end of the two-stage TEC is much greater than that of the single-stage product (including the total power consumption of the two-stage circuit), high-performance heat sinks or water cooling systems must be equipped. If the heat output from the hot end is not smooth, the heat will accumulate rapidly, causing the temperature at the cold end to rise and even damaging the internal coupling structure.
