Automatic Drug Relative Density Meter Touch Screen Test 0.001 ～ 1.999g/Cm3 ChP 0601

ST217B Automatic drug relative density meter touch screen

The ST217B automatic drug relative density meter (touch screen) is designed and manufactured based on the oscillation type density meter method in the third method of the 2025 Chinese Pharmacopoeia 0601 relative density determination method. The oscillation type density meter is mainly composed of a U-shaped oscillation tube (usually made of glass material, used to place samples), an electromagnetic excitation system (causing the oscillation tube to oscillate), a frequency meter (used to determine the oscillation period), and a temperature control system

Testing principle:

Inject a small amount of sample into a temperature controlled sample tube, record the vibration frequency or period, and calculate the density of the sample using the pre obtained sample tube constant. The constant of the sample tube is determined by the vibration frequency when the sample tube is filled with a calibration solution of known density. The instrument will directly display the density value after injecting the sample into the sample tube

Performance characteristics

● Built in sample pump, automatic sampling, cleaning, and drying measuring tank

● High definition video camera technology, convenient for direct observation of the measurement pool

● The operating program can be manual or automatic, with manual operation lasting 1-4 minutes and automatic program lasting 2-10 minutes (depending on the actual temperature of the sample)

● Automatic sampling: Using a microcontroller to control a stepper motor to drive a peristaltic pump for sample suction, the automation level of the product is improved

● Acid and alkali resistant pipelines: The pipelines that come into direct contact with liquids are all imported acid and alkali resistant pipelines to ensure that the instrument can measure acid and alkali solutions.

● 100 sets of test values are automatically saved, and the average, maximum, and minimum values can be automatically calculated

● Calibration function: When the instrument is not used for a long time, drift will occur. This instrument can be calibrated using 20 ℃ pure water as a standard, which is a function that glass density meters cannot achieve.

Main technical parameters

● Measurement method: Store 100 sets of custom measurement methods, including measurement parameters for each sample

● Stability assessment: Based on measurement accuracy and time, the stability time can be set independently

● Concentration conversion: Input density and concentration table or conversion formula, automatically convert concentration values

● Statistical calculation: 100 sets of test values are automatically saved, and the average, maximum, and minimum values can be automatically calculated

● Software extension: User management, audit tracking, and the ability to export data in Excel format.

Note: The appearance pictures, dimensions, volume, and weight of the instrument are for reference only. If there are any updates to the instrument, there may be slight changes without prior notice.

Packing list

Shandong Shengtai Instrument Co., Ltd. provides the following quality assurance for the instruments sold to you:

----The provided instrument materials are brand new, meet national quality standards, and have a manufacturer's certificate of conformity;

----The materials and main components provided meet the technical requirements specified in the technical documentation;

----The overall quality assurance period of the equipment is one year (excluding normal wear and tear of vulnerable parts).

----We are responsible for free maintenance of any instrument quality issues that occur during the warranty period. Due to equipment malfunction caused by the user's responsibility, we are responsible for repairing and charging reasonable fees.

----Lifetime discounted supply of parts for equipment, and lifetime maintenance and repair of the entire machine.

----After the expiration of the warranty period, if the user needs maintenance and technical services, we will only charge a cost fee.