The technical specifications of the tank vacuum sampling constant current evaluation instrument mainly cover multiple aspects such as flow range, flow stability, flow measurement accuracy, pumping pressure, instrument characteristics, software functions, interfaces and compatibility, operating interface, environmental adaptability, durability, and typical applications. The following is a detailed introduction:
1、 Core parameters
Flow range: 0.2~1000mL/min (some models support 0.2~1200mL/min), meeting different sampling needs.
Flow stability: Error ≤ ± 0.1%, ensuring constant sampling flow.
Flow measurement accuracy: up to 0.1mL/min, improving sampling accuracy.
Extraction pressure: Some models can reach 0.18Pa, suitable for sampling in low-pressure environments.
2、 Instrument features
Non obstructive design: does not affect the flow rate of the tank sampling process, ensuring sampling efficiency.
Industrial grade chips: using industrial grade A/D and control chips, supporting indoor and outdoor use.
Standard Interface: Equipped with a standard interface, compatible with all brands of sampling tanks on the market.
3、 Software functions
Data recording and display: Real time display and recording of pressure and flow changes inside the tank during the sampling process, supporting real-time drawing and screenshot functions.
Measurement process control: The measurement process can be timed to stop, making it convenient for users to operate.
Historical data comparison: supports viewing and comparing historical data for easy analysis of sampling results.
Target flow rate calculation: Calculate the target flow rate based on parameters such as tank volume and sampling duration to improve sampling efficiency.
4、 Interface and compatibility
Standard interface: Equipped with a standard interface for easy connection with the sampling tank.
Compatibility: Compatible with all brands of sampling tanks on the market, improving instrument versatility.
5、 Operation interface
Chinese user interface: Adopting a super simple Chinese user interface, no need to install green software, and easy to operate.
Ease of operation: Users can complete sampling and evaluation tasks through simple operations.
6、 Environmental adaptability
Temperature range: Some models can operate within a temperature range of -10 ℃ to 55 ℃, adapting to different environmental conditions.
Humidity range: Adapt to a certain humidity range to ensure that the instrument works properly in a humid environment.
7、 Durability
Service life: The service life exceeds 3 years under maximum flow and resistance, reducing the cost of replacement for users.
Running time: Some models can run for a long time at the highest flow rate and resistance, meeting the requirements for long-term sampling.
8、 Typical applications
Sampling current limiting valve adjustment and calibration: used to adjust and calibrate various brands of sampling current limiting valves (constant current valves).
Record of tank sampling process: Record the changes in flow rate and pressure inside the tank during the entire sampling process.
Sampling tank leak detection: used for sampling tank leak detection and leak detection of closed pipeline systems.
Pressure measurement and recording: Supports pressure measurement and recording functions, making it convenient for users to monitor pressure changes inside the sampling tank.