HKL-3612 Gas Chromatograph for Gas Dissolved in Electrical Insulating oil
Overview
HKL-3612 Gas Chromatograph for Gas Dissolved in Electrical Insulating oil conforms to ASTM D3612 Analysis of Gases Dissolved in Electric Insulating Oil by Gas Chromatography. It is used for the measurement of gases dissolved in electrical insulating oil having a viscosity of 20 cSt (100SUS) or less at 40℃ (104℉).
Oil and oil-immersed electrical insulation materials may decompose under the influence of thermal and electrical stresses, and in doing so, generated gaseous decomposition products of varying composition which dissolve in the oil. The nature and amount of the individual component gases that may be recovered and analyzed maybe indicative of the type and degree of the abnormality responsible for the gas generation of specific gases over time are also used to evaluate the condition of the electric apparatus.
Features
Real-time computer control and data processing
(1) The TOGA can expand the 10/100M Ethernet interface, and can be connected to the TOGA through the computer in the local area network to realize remote data acquisition and management. Increases the freedom of the device and promotes efficient application in the laboratory.
(2) Through the user-friendly software operation interface, it is very convenient for users to set parameters including temperature, range rise, event, detector and so on; Intuitive operation includes functions such as FID automatic ignition, TCD switching bridge flow, turning on and off temperature control, turning on and off the rise and closing of the range and various time events.
The unique design of gasification chamber and detector ensures the stability and convenient maintenance of the TOGA
(1) The unique inlet design solves injection bias, and the dual-column compensation function not only solves the baseline drift caused by the program heating, but also reduces the influence of background noise, which can achieve lower detection limits.
(2) Unique vaporization chamber design, smaller dead volume; The replacement of injection pads, liners, polarizing poles, collecting poles, nozzles and other accessories can be replaced easily; Filling columns, capillary injectors, TCD, FID detectors and other main replacements can be completely disassembled with only one wrench, which is very convenient for maintenance.
High precision and stable temperature control system
(1) The main control circuit adopts advanced microprocessor, large-capacity FLASH and EEPROM memory, so that the data preservation is more reliable; The integrated design of the circuit board integrating measurement, control and power supply improves the anti-interference and reliability of the TOGA.
(2) Adopts the temperature control circuit of the microprocessor, the temperature accuracy of the controlled object in each heating zone reaches 0.1℃.
(3) The column chamber has a double overtemperature protection device. If the temperature exceeds the setting, the instrument stops heating up and reports the fault on the display.
(4) The intelligent double rear door technology ensures that the TOGA can have good temperature control accuracy when the column chamber temperature is close to room temperature, and can quickly cool down.
(5) Twenty-step programmed heating to accommodate the analysis of complex samples with wide boiling points.
Simple operation interface
(1) Adopts 7-inch LCD display and supports capacitive touch, which is intuitive and easy to operate; Self-diagnosis function and display of the fault site.
(2) Data power-off protection function, the operating data set by the TOGA can be stored for a long time after the power failure.
Protection: Will stop heating when there is no carrier gas, so as to protect the column and thermal conductivity cell.
Auto ignition: It is able to set the time for automatic ignition, and at the same time has the function of fire extinguishing hydrogen protection.
Technical Parameters
(1) 1ml Injection volume, the minimum detected concentration (ul/L)
(2) Ambient requirements: 0~40℃
(3) Accuracy: ±0.1℃
(4) Temperature control range: Ambient+5℃~450℃
(5) Analysis cycle: 7min
(6) Power: 1.9KW
(7) Dimension: 660*560*480mm
Temperature control parameters
(1) Column Oven: Ambient+5℃~450℃, Accuracy:±0.1℃
(2) Injector:Ambient+5℃~450℃, Accuracy:±0.1℃
(3) Detector:Ambient+5℃~450℃, Accuracy:±0.1℃
(4) Maximum control 7 paths temperature
Column Oven parameters
(1) Column Oven: Ambient+5℃~450℃, Accuracy:±0.1℃
(2) Volume:260mm*270mm*230mm
(3) Programmed heating: 20 steps
(4) Programmed heating rate: 1~80℃/min (0.1℃ increment)
(5) Retention time of each step: 0~655min (1min increment)
(6) Automatic rear opening design to guarantee the fast cooling speed, It will only cost within 7min to cool from 350℃ to 50℃
(7) Fan with big power and low noise to guarantee the uniformity of the temperature
Detector
FID
(1) Adopts unique and stable amplifier technology, the signal amplification board has been specially treated to maintain stable operation in harsh conditions
(2) Be suitable for packed column and capillary column
(3) Operation temperature: 450℃
(4) Minimum limit of detection:<5pg c/s (n-Hexadecane)
(5) Linear dynamic range (LDR): 107(±10%)
(6) Data acquisition frequency: 100Hz
(7) Automatic ignition: Auto hydrogen cut off after fire extinguished
TCD
(1) Be suitable for packed column and capillary column
(2) Fast stabilization time, small dead volume, short equilibrium time
(3) Operation temperature: 400℃
(4) Data acquisition frequency: 100Hz
(5) Linear dynamic range (LDR): 105(±10%)
(6) Minimum limit of detection: <800pg propane/ml (Helium)
Others
(1) Dimension: 586*500*530mm
(2) Weight: 46g Rated voltage: 220V±50Hz, Power≤2.5kW
FAQ
Q1: What standards does this product (HKL-3612 Gas Chromatograph for Gas Dissolved in Electrical Insulating oil) comply with?
A: HKL-3612 Gas Chromatograph for Gas Dissolved in Electrical Insulating oil conforms to ASTM D3612 Analysis of Gases Dissolved in Electric Insulating Oil by Gas Chromatography. It is used for the measurement of gases dissolved in electrical insulating oil having a viscosity of 20 cSt (100SUS) or less at 40℃ (104℉).
Q2: Significance and use of HKL-3612 Gas Chromatograph for Gas Dissolved in Electrical Insulating oil?
A: Oil and oil-immersed electrical insulation materials may decompose under the influence of thermal and electrical stresses, and in doing so, generated gaseous decomposition products of varying composition which dissolve in the oil. The nature and amount of the individual component gases that may be recovered and analyzed maybe indicative of the type and degree of the abnormality responsible for the gas generation of specific gases over time are also used to evaluate the condition of the electric apparatus.
Q3: What international shipping methods do you support?
A: We offer a variety of flexible international shipping options to meet your needs:(1)International Express: Collaborating with globally leading courier companies such as DHL, FedEx, UPS, and TNT, suitable for small batches and high-value goods.(2)Air Freight: Ideal for medium-sized shipments, offering good cost-effectiveness.(3)Sea Freight: Suitable for large-volume orders, providing Full Container Load (FCL) and Less than Container Load (LCL) services, with a transit time of approximately 20–40 days (depending on the destination port).Rail Freight: Targeting clients across the Eurasian continent (e.g., Central Asia, Russia, Europe), offering stable and efficient China-Europe Railway Express services.
Q4: Do you offer customized solutions?
A: Yes, we can provide customized instrument configurations and testing solutions based on the customer’s specific application needs.
Q5: Do you provide online training services?
A: To support your success, our team is ready to assist with online installation, commissioning, and comprehensive operational training. For your team, we also provide round-the-clock online training and support, every day of the year. We are always here to ensure you get the most out of your instrument.

About us
Hong Kong Laboratory Technology Limited specializes in supply chain integration and full-chain technical services for laboratory instruments. With years of industry expertise, our company operates under a stringent quality management system, complying with multiple international standards including ISO 9001, ASTM, and IP requirements. The core products not only comply with the ISO/IEC 17025 instrument calibration and testing standards, but are also widely used in research institutions,petrochemical andmining industries, medical institutions,and environmental protection departments. This high-standard quality has earned broad market and customer trust.
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
According to the type of instrument, we can provide specialized maintenance services. Our goal is to become the highest-quality and most reliable instrument supplier in the market. We welcome your valuable opinions and suggestions to help us continuously improve our service quality.
Logistics and Shipping
Worldwide Shipping: We have extensive experience in shipping goods to Asia, Europe, the Middle East, and other regions.
Secure Packaging: Laboratory instruments are carefully packed to ensure they are properly secured and protected during transit.
International Certification
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ISO 9001 Certification | ASTM Certificate |










