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Device ZRJ-2 for determining the tendency of coal to spontaneous combustion
Product description The device meets the requirements of the GB/T 20104-2006 standard “Method for determining the susceptibility of coal to spontaneous combustion by chromatographic oxygen adsorption method.” Main Specifications 1. Network management Built-in 10/10 Ethernet communication technology...
Description
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Product Description
The device complies with the requirements of the GB/T 20104-2006 standard “Method for determining the susceptibility of coal to spontaneous combustion by chromatographic oxygen adsorption method.”
Main technical characteristics
1. Network management
Built-in 10/100 Mbit/s Ethernet communication technology with automatic negotiation, allowing you to connect devices into a local network; analysis results can be transmitted over a remote distance via a network.
2. Full reverse control (reverse control)
All instrument parameters can be set and controlled remotely via a computer, and chromatograms are also processed.
3. Full EPC/EFC control
A new technology for automatic control of flow and pressure has been applied, providing digital control of all gas parameters (flow and pressure).
4. Touch screen
The device is equipped with a large-format color touch screen that provides clear information display and ease of operation.
5. The device is equipped with a specialized workstation for assessing the susceptibility of coal to spontaneous combustion.
6. Protection in case of gas loss or leakage with text alert, ensuring the safety of the TCD filament and chromatography column.
7. Function for saving parameters when the power is turned off (non-volatile memory).
8. Protection against impulse noise in the network and stopwatch function.
9. Overheat protection - if the specified temperature limit is exceeded, automatic power off and sound alarm.
10.Measurement method: chromatographic oxygen adsorption method.
11. Number of measuring tubes with a sample: 4 groups.
12. Measuring range: oxygen absorption from 0.01ml-5ml/g (coal).
13.Measurement error: ≤ 1%.
14. Zero line drift: ≤0.02mv/hr.
15. Sensitivity: ≥10mv/ml (N₂ carrier gas, O₂ peak);
TCD sensitivity: S≥15000mv.ml/mg (after amplification).
16. Column thermostat: from 0 to 450 °C, maintenance accuracy 0.5 °C; Temperature programming: 7 steps, speed from 0.1 to 40 °C/min; Evaporator: from 0 to 450 °C; Detector: from 0 to 450 °C.
17. Power supply: 220V±20%,50Hz±0.5.
18. Power consumption: 2200W.
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