Features:
Model SGN and Model SGS
★Be applicable to HCFC/HFC refrigerants.
★Indicate high water cut in system if any.
★Indicate no overcooling in refrigerant liquid.
★Indicate insufficient charging of refrigerant if any.
★Both welded and threaded connections are available.
Model SGR
★Be applicable to HCFC/HFC refrigerants.
★Indicate the liquid level in the liquid drum.
★Indicate the oil level in the compressor crankcase.
★NPT threaded connection.