Original Gammon Gauge in Alum or Stainless Steel. For more information see Bulletin No.25
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Features:
- Read differential pressure directly at top of piston
- Accurate within ¹⁄4 psi at system pressures to 300 psi
- No subtraction calculation required
- All models available in aluminum or stainless steel
- Positive and negative surge pressure will not influence calibration
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