GD-251 Petroleum Products Base Number Tester
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GD-251 Petroleum Products Base Number Tester
Summary
This instrument is designed and made as per industrial standard of People’s Republic of China SH/T0251-93 Test method for base number of petroleum products. It is composed of ZD-2A automatic potentiometric titrator,titrate stand and burette.It is suitable to determine the alkali component of petroleum products and used petroleum products and additives.
I. Main Technical Features
² 1. This instrument adopts principle of acid-alkali neutralization and method of potentiometric titration for perchloric acid to determine the alkali value of sample by judging the electric potential change to finishing point.
² 2. This instrument is equipped with 5 pieces of electrodes and 3 pieces of burettes of different specifications.It can satisfy the determination for alkali component of petroleum products.
² 3. The measuring range of the instrument is wide,measuring accuracy is high. Accessories complete and convenient to use.
II. Main Technical Specifications
² ZD-2A automatic potentiometric titrator(Outside drawing,size and net weight refer to real product)
² 1. Measuring range: pH:(0~14.00)pH; mV:(0~±1999)mV
² 2. Measuring accuracy: pH:±0.01; mV:0.1%F.S
² 3. PT control accuracy: ±0.03pH or ±3mV;
² 4. Input impedance: ≥(1×1012)Ω
² 5. Repeatability of volumetric analysis: ≤0.3%F.S
² 6. Ambient temperature: (0~35)℃
² 7. Relative humidity: ≤85%
² 8. Dimension: 280mm×200mm×130mm(Main machine)
² 9. Net weight: 3.5Kg