HKL-ALS Automatic Liquid Sampler
Overview
HKL-ALS Automatic Liquid Sampler is a piece of automation equipment that facilitates the injection of samples into chromatography columns for analysis. Besides separating and analyzing samples in a column, it can also sequentially and automatically deliver samples according to preset programs. Due to its features, it is also applicable in life sciences, pharmaceutical research, environmental analysis, and food safety. When compared with manual injection, a liquid autosampler can greatly increase the speed and accuracy of pain, minimize human error, and thus render the analytical results more trustworthy.
Features
1. With a size of 5.0 inches and visual touchscreen HMI, this device is very simple to handle.
2. Intelligent operation; user input mode offers smart prompts for step-by-step data entry guidance.
3. High stability; live encoder feedback and comparison provide a more reliable instrument operation.
4. Provides several I/O port modes, thus making it possible to work with the range of gas chromatograph models.
5. The system has a high level of automation which enables it to be worked on without the presence of the operator, for a whole day.
6. Beautifully designed, small, light in weight, simple to install, extremely flexible in use.
7. The plunger used in the injector is equipped with a buffering device to reduce the dead space in injection as much as possible.
8. To compensate for cumulative operation errors, the sample tray uses an absolute position encoder.
9. Modular design internally using a dual-wire CAN communication system, excellent expansion capability for functional modules.
10. The precision motor drive equipped with variable speeds allows for maintaining stable injection rates and achieving very accurate quantitative injections.
11. Provides a standard Modbus communication protocol and a universal USB interface, facilitating the development of host-side control programs.
12. Secure error checking: After the user inputs data, the system validates it to ensure safer instrument operation.
13. Full remote control via PC-based software, enhancing user efficiency.
14. 160-position sample tray expansion supporting dual-tower injection; time reproducibility for synchronous injection is less than 1/1000 of a second.
15. Features barcode scanning for samples and sample temperature control, meeting diverse user needs.
Operating environment
1. Temperature: -20°C to 50°C (Operating), -40°C to 70°C (Storage)
2. Humidity: 10% to 90% (Operating), 5% to 90% (Storage)
Technical Parameters
Syringe sizes | 1, 5, 10, 25, 50, 100, 250, 500 (Unit: μL) |
Sample tray capacity | 22-position tray (expandable to 160 positions) |
Sample vial positions | 19 (expandable to 160) |
Solvent vial positions | 2 (expandable to 11) |
Waste vial positions | 1 (expandable to 5) |
Injections per vial | 1–99 |
Maximum time interval | 999 min |
Minimum injection volume | 0.1 μl |
Maximum injection volume | 250 μL |
Method selection | 1–20 methods |
Max. supported inlets | 1 |
Max. needle wash cycles | 99 |
Max. pump cycles | 99 |
Max. pump cycle interval | 5000ms |
Viscosity delay | 0–60 s |
Pre-/post-injection dwell time | 0–120 s |
Needle insertion speed | Fast, slow, user-defined |
Aspiration/injection speed | Fast, slow, user-defined |
Injection modes | Standard, continuous, Sample+L1, Sample+L1+L2, PTV |
Control modes | Internal interval control, external signal control, PC control |
Dual-tower injection | Time reproducibility < 1/1000 s |
FAQ
Q1: What is the smallest quantity we can order? And what is the time frame for delivery?
A: The minimum order quantity is one piece, and delivery will be about 20 days after advance payment.
Q2: What sort of after-sales support can I expect from you?
A: We strive to supply a thorough and dependable after-sales support network for you during the whole lifespan of your device. That involves a skilled customer service group ready to make sure your questions are handled without delay, knowledgeable technical engineers who can do remote diagnosis to quickly fix problems, plus continuous online training. We are not just a help desk, we want to be your lab friends you can trust.
Q3: How do I get a price quote for a product?
A: Feel free to tell us about your needs by contacting us via the contact form on our official website or sending an email to our customer service department. Once we have your request, we will provide you with a detailed quotation in the next 24 hours.

About us
Since 2018 Hong Kong Laboratory Technology Limited has been a reliable partner in the instrumentation industry. In the last 8 years we have established a strong network and through our exclusive representation of over 50 internationally renowned brands, assisting more than 500 clients. Leveraging our extensive industry knowledge, we offer an end-to-end supply chain solution starting from research and development stage to the final product, all backed by a stringent quality management system. We primarily use instruments that meet the highest international standards (ISO 9001, ASTM, IP) and are regularly calibrated to ISO/IEC 17025 standards, ensuring accuracy and reliability. Our goal is to support innovation and safety through our instruments in a variety of sectors such as research centers, petrochemical and mining industries, hospitals, and environmental organizations.
Company Advantages
(1)Full-Chain Resource Integration Capability
(2)Professional Technical Service Team
(3)Rich Industry Practical Cases
(4)Reliable After-Sales Service
Service Guarantee
1. Online Training Services
If assistance is needed, we will provide online installation and commissioning services, as well as comprehensive operation training for you. Meanwhile, we also offer 24/7 online training support for end users throughout the year.
2. Professional After-Sales Service
We provide specialized maintenance according to each instrument type. Our ultimate aim is to become the top provider of high quality and dependable instruments. Our development depends very much on you, so we warmly welcome your feedback for us to continually improve our service levels.
Logistics and Shipping
Worldwide Shipping: Our experience of shipping goods to Asia, Europe, and the Middle East is pretty extensive we are proud to say.
Secure Packaging: Laboratory instruments are carefully packed to guarantee that they are well secured and protected during transportation.
International Certification
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ISO 9001 Certification | ASTM Certificate |












