1. Reasonably designed paddles, with servo or frequency conversion control;

2. Optional inner tank material: 316 stainless steel; optional wall thickness: 1.5-6mm;

3. Instruments and probes adopt international famous brand products;

4. Rational structure of heat exchange layer, firm welding, and high energy exchange efficiency; temperature accuracy: ±0.1℃, measurement range: 0-150℃, with intelligent PID control for automatic heating or cooling, and automatic temperature control during fermentation;

5. pH adopts digital communication signal; display range: 0-14, accuracy: ±0.01pH; full-automatic control range: 2-12pH; control accuracy: ±0.02pH, resolution: 0.01pH; pH adjustment can be achieved via liquid ammonia or acid-alkali tanks;

6. DO adopts digital communication signal; display range: 0-100% or 0-200% (configurable); control accuracy: ±1%, resolution: 0.1%; equipped with original Hamilton (Switzerland) stainless steel optical dissolved oxygen electrode, shielded wire, and original transmitter;

7. Combination of automatic welding, automatic polishing, and craftsmen's unique techniques, integrating traditional and modern manufacturing technologies;

8. No rust, no leakage, no deformation, high polishing precision, and service life of over 15 years;