Should be in the mage-ohms (you need an isolation tester / high voltage ohm meter for this). Check the voltage when the compressor is running. If the voltage drop significantly when the compressor starts/runs, you have a bad connection somewhere. Check all relays, fuses and electrical connections.
[pdf] It adopts a two-stage screw booster structure and is suitable for industrial applications with a pressure demand of 1.8MPa~4.0MPa. The medium and high pressure screw rotary air compressor features an imported integrated head for a compact structure, smooth operation, and low noise.
[pdf] They are powered by two counter-rotating screws that compress air as it moves through the compressor. These units are designed for continuous use, capable of operating 24 hours a day, 7 days a week.
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