※ The error calculation tool applies pressure gauge：
- General Pressure Gauge (standard name for the general gauge)
- Precision Pressure Gauge
- Electric Contact Pressure Gauge
- Explosion-proof Electric Contact Pressure Gauge
- Ammonia Pressure Gauges
- Oxygen Pressure Gauges
- Stainless steel pressure gauge
- Seismic pressure gauge
- Acid-pressure gauge
- Alkali-pressure gauge
- Corrosion-resistant pressure gauge
- Marine Pressure Gauge
- Other Analog Pressure Gauge
▲ For 4.0; 2.5; 1.6; 1.0; 0.4; 0.25; 0.16; 0.1 gauge.
▲ Pressure vacuum gauge dial joint schedule of the total number of sub-grid should be negative pressure and positive pressure compartments Conjecture.