1. Dual-Window Observation Design** Front and rear double-layer tempered glass windows provide clear visibility of samples during operation. Users can monitor experimental conditions without frequently opening the lid, reducing heat loss and making the HS-40 ideal for experiments requiring continuous observation.

2. Precise & Stable Temperature Control** The digital controller offers a temperature range from Room Temp. +5°C to 100°C, with ±0.1°C fluctuation and ±0.2°C uniformity. Dual-row LED display clearly shows actual and set temperatures for reliable and repeatable laboratory testing.

3. Built-in Water Circulation System** A built-in circulation pump continuously moves water throughout the chamber, helping minimize hot and cold spots and creating a more uniform temperature field. It supports stable sample conditioning, chemical analysis and constant-temperature experiments.

4. Durable Stainless-Steel Chamber** The inner tank and top cover are made of corrosion-resistant stainless steel for long service life and convenient cleaning. The 400 x 350 x 300 mm working chamber provides generous space for beakers, flasks, test tubes and other laboratory vessels.

5. Designed for Versatile Laboratory Use** Simple digital controls, independent circulation operation and a large observation area make daily use convenient. The HS-40 is suitable for scientific research, universities, chemical laboratories, pharmaceutical research, metrology, quality control and other temperature-controlled applications.

Changsha CenLee Technology Co., Ltd. is a professional centrifuge factory headquartered in Changsha, Hunan-the birthplace of China's centrifuge industry. With over 40 years of experience in manufacturing centrifuges and laboratory instruments, the company operates 4 national branches, has an R&D team of more than 30 members, holds 20 product certifications and over 80 patents, and maintains a 20,000-square-meter production base. These capabilities enable the company to consistently offer cutting-edge products at competitive prices.
All products comply with international quality standards, including CE, ISO9001, and ISO13485. Backed by a strong R&D and QC team, the company ensures product development and quality control. With stable quality, competitive pricing, OEM & ODM services, and an experienced international trade team, CenLee exports to markets such as the United States, Germany, Japan, Turkey, India, Mexico, and Vietnam. The company warmly welcomes visitors to its factory and looks forward to building strong business relationships.

Company overview

Competitive advantages

Factory profile

Trade show participation

Packaging & shipping specifications

Extended company profile