• Model NO.：GD-251
• Transport Package：Plywood Case
• Trademark：Gold
• Origin：China
• HS Code：9031809090
• Production Capacity：100 PCS,Month

Basic Info.

Model NO. GD-251 Transport Package Plywood Case Trademark Gold Origin China HS Code 9031809090 Production Capacity 100 PCS/Month

Product Description

GD-251 Total Base Number Tester
Purpose:GD-251 Total Base Number Tester is designed and made as per the Industry Standard of Petrochemical SH/T0251-93 "Test Methods for Base Number of Petroleum Products".It is composed of ZD-2 Automatic Potential Titrimeter and DZ-1 Titration Device.It is suitable to determine base number of petroleum products and additive.GD-251 Total Base Number Tester determines and calculates base number of sample based on acid-alkali neutralization principle, perchloric acid potentiometric titration methods, and potential changes to detect end point. Technical parameters1. Volumetric analysis:(1) Titration condensation: 0.1 N;(2) Controlling accuracy: ≤±0.02ml;2. Automatic acid titration:(1) Titration condensation: 0.1 N;(2) Controlling accuracy: ≤±0.1pH;3. Automatic potential control:(1) Titration condensation: 0.1 N;(2) Controlling accuracy: ≤10mV;4. Temperature compensation:(1) Manual compensation;(2) 5~60°C;5. Preset adjustment range of end point: pH 1 to 13 or ±100~1300 mV;6. Preset controlling range for titration: 1~3 pH or 100~300 mV from end point;7. Power supply: AC 220V±10%, 50 Hz;8. Ambient temperature: 0~35°C;9. Relative humidity: ≤85%
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