1Main technical indicators of the equipment:

1.1 measuring range(1gsample)：0.00001%-99.999%

1.2 Analysis accuracy:RSD≤1%

1.3 Analysis error: compliantGB/T20123-2006/ISO15350:2000standard

1.4 Minimum reading:0.1ppm

1.5 Analysis time:20-60Adjustable in seconds, usually within35About seconds

1.6 Minimum reading:0.1ppm

1.7 Electronic balance reading accuracy:0.0001gAutomatic online input

1.8 Working environment: Indoor temperature:10-30℃Relative humidity: less than90%

1.9High frequency furnace: power≥2.7kVAFrequency:20MHz

1.10Power supply: requires good grounding

voltageAC220V±5%; Frequency50Hz±2%

1.11 Oxygen: Purity≥99.5%

INPUT0.18MPa±5%

Oxygen carrying pressure0.08MPa±2%

1.12 Power gas: nitrogen or compressed air (purified); INPUT0.25MPa±5%

1.13 Gas flow rate: Top oxygen flow rate1.0-2.0L/minAnalyze air flow rate3.0-4.5L/min

1.14 Desiccant: Efficient color changing desiccant

1.15 Filter agent: quartz cotton

2Main features of the equipment

2.1Infrared detection system

-Circuit design: The whole machine adopts dualCPUModular design of upper and lower computers, selection of lower computersAtmega162To control the microcontroller. Highly integrated electronic circuits, stable and reliable; Simultaneously adopting multi-level concealed isolation circuits to completely solve high-frequency interference.

-Light source: Imported platinum infrared light source, with continuous heating and high spectral efficiency.

-Analysis pool: gold-plated carbon sulfur analysis pool and high-precision pyroelectric infrared detector (capable of10^-11）Ensure signal stability.

-Motor: Digital modulation motor, good thermal stability, continuous service life10More than 10000 hours.

2.2 High frequency combustion system

-High frequency circuit: high-power high-frequency circuit design, using7.5KVAHigh frequency power tube (actual usage power greater than)2.7KVATo reduce the load on the high-frequency combustion system and improve its service life, no sample air burning is required.

-High frequency control circuit: automatically detects the working conditions of solenoid valves, lifting cylinders, and high frequency, automatically alarms for over time and over-current, and protects the high frequency furnace from working in a normal state.

-Air circuit: High precision electronic flow controller and imported air circuit system (solenoid valve, pipe joint, lifting cylinder) ensure stable air flow and automatic leak detection.

-Double calibration of fixed and gas standards.

-Dust removal system: The furnace head heating device ensures constant temperature of the furnace head; The buckle type automatic cleaning device can reduce the impact of dust on the analysis results; Imported high-pressure ash discharge system.

-0.4Micro sized ultra microporous metal filter ensures complete separation of dust and gas.

-Using current/voltage/power/Choose a method to adjust the furnace temperature, suitable for samples of different materials.

2.3 Random software

-WINDOWSFull Chinese operation interface, easy to operate and master;

-The program design adoptsDeliphSoftware compilation;

-The software provides a multi-user management system, which allows administrators to set different user permissions;

-Provide channel management function, allowing channels to be added, deleted, and edited without any quantity limit;

-Provide sample management function, which allows editing of sample names and labels, as well as adding and deleting sample names;

-The analysis results are based onACCESSDatabase storage, capable of storing all data and curves for each analysis of carbon and sulfur;

-The analysis results can be freely queried based on various factors such as time, operator, sample name, and identification;

-The switch diagnostic function can be implemented by software to detect the sealing of the furnace head and gas chamber;

-Sulfur curve box, dynamically displaying real-time data and sulfur release curves during the analysis process;

-Integration of dynamic data during the analysis process, per second24Subsampling improves the sensitivity and accuracy of analysis;

-Diversified printing modes, providing two printing modes for laboratory and testing stations, and the ability to design printing formats independently;

-The software is fully functional and provides curves/Multiple functions including data storage, blank deduction, parameter setting, channel selection, mathematical statistics, result correction, curve comparison, etc;

-Adopting high-speed technology24positionADS1224Sampling chip, with up to four sampling channels, can switch between sulfur and high sulfur detection pools at will;

-Pressure regulation and flow control can be achieved through software;

-Data can be remotely transmitted through networked operations, enabling furnace front reporting.