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Petroleum Product Acid Value And Base Value Tester (Potentiometric Titration)
Product model: JF7304

Product Introduction
The oil product acid value and alkali value tester is used to determine the acid value and alkali value of petroleum products, and it meets the GB/T7304 standard.

Product parameter
1. Applicable standards: GB/T7304 SH/T0251
2. Measuring range: pH value: (0.00～14.00)pH;
The mV value: (-1999.9～1999.9)mV;
The temperature value: (-5.0～105.0)℃.
3. Resolution: pH value: 0.01pH;
MV value: 0.1mV;
Temperature value: 0.1°C.
4. The basic error of the electronic unit: pH value: ±0.01pH±1 word;
MV value: ±0.03% full scale;
Temperature value: ±0.3℃;
5. Burette capacity tolerance: 10ml burette: ±0.025ml;
20ml burette: ±0.035ml.
6. Repeatability of titration analysis: 0.2%.
7. Repeatability error of electronic unit: not more than 0.2mV.
8. Stability of electronic unit: ±0.3 mV±1 word/3h.
9. Control titration sensitivity: ±2mV.

Features
1. 7-inch color touch screen, navigational operation experience, real-time display of test methods, titration curves, and measurement results
2. Adopt the integrated design of valve burette, direct replacement, effectively avoid interference, support 10mL, 20mL various burettes
3. The case is made of materials resistant to perchloric acid corrosion to meet non-aqueous titration and double high-impedance input. Different electrodes can be used for acid-base titration, redox titration, precipitation titration, complexometric titration, non-aqueous titration, etc. pH measurement
4. Different measurement methods are built in different measurement sheets, including pre-titration method, preset end-point titration method, blank titration method, constant titration method, manual titration method, and 2 applications provided randomly
5. Support USB, RS232 to connect to PC, two-way communication, support U disk plug and play
6. Cooperate with specially developed supporting titration software control. The titration curve and its first and second derivatives can be displayed on the computer in real time. It is convenient to edit and modify the titration mode, and can carry out the statistics of the results, etc.

Data management function:
1. Support storage of 100 sets of titration methods
2. Support GLP specifications and meet the storage of 200 sets of titration results
3. Data statistics: Allow users to count, view, analyze, and compare titration results

Measurement management function:
1. Real-time display of relevant test methods, measurement curves, measurement results, and dynamic display of measurement curves
2. Connect the autosampler to realize automatic measurement of multiple samples and automatic calibration of pH electrodes
3. Supports functions such as viewing, copying, editing, and creating new titration methods, allowing users to edit the titration process and create special titration methods to meet exploratory applications
4. Support dual-tube combination titration to meet customer special requirements★
5. Support multiple measurement units, such as potential measurement unit, permanent stop measurement unit, conductance measurement unit, etc.
6. Electrode automatic calibration, 3-point calibration, automatic identification of various pH buffers such as GB, DIN, NIST, etc.
7. Interface management function: support to create shortcuts, enter the start measurement interface in multiple ways, and support backlight setting adjustment
8. Safety management function: support power-off protection function, self-diagnosis function
9. User management function: password management, which can support 8 user passwords
10. Operating language: Chinese and English are optional
11. Support equipment management, allowing individual deb ing, control, and management
12. A variety of firmware upgrade methods, including direct upgrade with U disk; allow instrument function expansion and individual requirements.