1. Three-digit nixie tube display with independent direction and external control indicator lights for simple and intuitive operation.

2. Adopting dual-CPU control with separated drive and control modules, it features fast computing speed, stable operation and high transmission accuracy. It is equipped with precise one-key filling and accurate dispensing functions, with a repeatability accuracy of up to ±0.3%.

3. It integrates functions including audio prompts, stepless speed regulation, start/stop and direction reversal. A full-speed button is provided to enable quick filling and emptying operations.

4. A rich array of external control functions are available as options. For instance, the DC 12V output allows direct connection to various sensors such as capacitive sensors, liquid level sensors and photoelectric sensors. Multiple circuit interfaces are reserved in the product hardware to meet customers' special customization requirements.

5. Stepper motor is adopted for speed control, which is not affected by load changes, featuring high accuracy, long service life, low power consumption and strong adaptability.

6. The drive circuit boasts excellent performance, with good heat dissipation, low operating noise and smooth operation, as well as a power-off memory function. All internal circuits are treated with three-proof protection (moisture-proof, dust-proof and corrosion-proof), providing anti-interference capability and suitability for complex power supply environments.

7. The BT-S series products are compact in size, light in weight and easy to carry, and can be fitted with various pump heads.