Features and Characteristics:
1. Utilizes a spray-coated steel chassis, robust and durable, with an integrated meter and source structure, aesthetically pleasing and elegant;

2. Simple operation with few buttons, employing a touchscreen human-machine interface;

3. Touchscreen operation, simultaneously displaying pressure, temperature, and concentration values, along with range switching display, using high-precision pressure sensors;

4. Touchscreen operation, achieving balance with atmospheric pressure;
6. High precision in pressure generation, allowing for precise adjustment of generated pressure;
7. Equipped with a communication interface, can be paired with dedicated software to form a calibration system, featuring functions such as original record storage, automatic data collection, and automatic certificate printing.

Main Technical Parameters:

1. Power supply voltage: AC220V±10%;

2. Stability: ±5Pa;

3. Repeatability: 0.1%;

4. Temperature: (0～50)℃, display accuracy 0.1;

5. Concentration measurement range: Dual-range switching, Range I: (0～10)%CH4,

Range II: (0～100)%CH4, display accuracy 0.01%CH4;

6. Generated pressure range: Type I: (0～7)kPa, Type II: (0～70)kPa, display accuracy 0.1%;

7. Accuracy: Pressure ±0.1%; Concentration: 0.01%CH4; Temperature: ±0.5℃.