Coolsour Oil Pressure Compound Gauge
1. With Stainless steel housing, or without frame;
2. Screw connector at bottom or mounting hole around at frame;
3. Oil filled inside can resist high frequency vibration of the units;
4. Zore error is ensured with strengthening overpressure measures;
5. Pressure versus temperature readings;
6. Rational oil seal design, no oil leakage.
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