The Refrigeration Ammonia Gauge from Marsh Instruments includes a restrictor that protects the gauge against sudden shock or pulsating pressure.
The inner dial arc shows pressure, outer arc shows the corresponding temperature scale.
The Marsh Instruments Refrigeration Ammonia Gauge is available in a plain stainless steel case.
Marsh Instruments Refrigeration Ammonia Gauge is designed for use on ammonia compressors and other ammonia refrigeration equipment.
Features- Range 30″ Hg to 150 psi or 300 psi.
- Case Sizes: 63 mm and 3-1/2″.
- ASME Grade B.