Lab Testing Equipment, Brand Name : changshafriend

The instrument composes of tubular oven, oven temperature controller, airflow indicator, timer and so on.
fdh-2501dark petroleum products sulphur content tester (tubular oven method)
purpose and scope
the instrument is designed and made as per gbt387 test methods for sulfur content of petroleum products (tubular furnace method) in the national standard of peoples republic of china. It is suitable to determine sulfur content in the black petroleum products as per standard gbt387.
burn sample in the purified high temperature air flow completely at a certain flow rate and absorb sulfurous acid anhydride and sulfuric acid anhydride by oxidized hydrogen and sulfuric acid. Then titrate sulfuric acid using standard sodium hydroxide solution.
technical specification and parameters
1. Power supply: ac 220 v±10%, 50 hz
2. Heating furnace type and quantity: horizontal juxtaposed double tube tubular resistance furnace
3. Furnace diameter of resistance furnace: φ 22 mm
4. Heating power of resistance furnace: 1400 w×2
5. Maximum temperature of resistance furnace: 950
6. Moving distance of resistance furnace: not less than 135 mm
7. Flow rate of air: not less than 150 lh
8. Maximum time setting value: 99 minutes 60 second (100 min).