<Digital & Electronic Pressure Gauge - Hwa Chih Technology
| LED Pressure Switch | LED contact manometer, Diaphragm production/product no. | LED PP Diaphragm W/ Attached Contactor Pressure Gauge |
| ALL Stainless Steel Electric Contactor Pressure Gauges, Vacuum Gauges, Compound Gauges | LED Electric Contactor Pressure Gauges, Vacuum Gauges, Compound Gauges |
| LED Steam Electric Contactor Pressure Gauges, Vacuum Gauges, Compound Gauges | LED Square Type Electric Contactor Pressure Gauges, Vacuum Gauges, Compound Gauges |
| With Electric Contactor Pressure Gauge & Circuit Route Example |

With Electric Contactor Pressure Gauge & Circuit Route Example
AB Double Relay BA Double Relay AA Double Relay
BB Double Relay A Single Relay B Single Relay
AB Double Relay BA Double Relay AA Double Relay
BB Double Relay A Single Relay B Single Relay
With Electric Contactor Pressure Gauge & Circuit Route Example
AB Double Relay BA Double Relay AA Double Relay
BB Double Relay A Single Relay B Single Relay