What are the characteristics of the comprehensive performance test bench for automobile air-conditioning electronic expansion valves?

　　
Designed in accordance with JBT-10212 and JBT-10386, this equipment is suitable for testing electronic expansion valves, including flow characteristics, valve opening pulse, valve port leakage, maximum operating pressure differential, reverse valve opening pressure differential, and fatigue resistance. What are the features of the comprehensive performance test bench for automotive air conditioning electronic expansion valves? Let's take a look at how Guangzhou Zhipinhui Electronic Technology describes it.

1. Test Items: ① Internal Leakage Test

② Flow Characteristics Test

③ Forward Maximum Open Valve Pressure Differential Test

④ Reverse Maximum Open Valve Pressure Differential Test

2. Digital Pressure Gauge: Accuracy better than ±0.5%, range 0-6 MPa

3. Digital Gas Flow Meter: Accuracy better than ±2%, range 0-500 L/min

4. Voltage and Current: Digital display, accuracy better than ±0.5%,