XRY-1A+ The type of oxygen bomb calorimeter is based on the national standards of the People's Republic of China GB/T 213-2008《 Methods for determining calorific value of coal》, GB/T 384-1981《 Petroleum Products Catalyst Value Determination Method and National Measuring and Verification Regulations of the People's Republic of China JJG 672-2001《 Designed and manufactured in the requirements stipulated in the Oxygen Bomb Catalog. It is suitable for the determination of the calorific value of combustible substances such as petroleum products (gasoline, jet fuel, diesel and fuel oil, etc.) and coal, coke, paraffin and other high-end instruments with automatic, efficient, safe, high test accuracy, fast test speed and easy use.

1. Main technical parameters and indicators
1．Heat capacity: （14000 ～15000）J/K。
2．Temperature measurement range: (10 ～35）℃。
3．Temperature resolution: 0.001 ℃。
4．Measurement deviation:　　　　　　   ±60J/g。
5．Repeatability error:　　　　　    ≤0.2 %（C class).
6．Oxygen bomb pressure resistance: 20 MPa。
7．Ambient temperature: (15 ～28）℃（Room temperature), temperature fluctuation shall not exceed 1 during one measurement ℃。
8．Relative humidity: 　　　　　　  ＜85%。
9．Working power supply: 　　　　　　  AC 220V，50Hz。

Note: The cake press is an optional item.

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