Description
The SGI and SGN are fitted with an indicator which changes colour to show the moisture content in the refrigerant.
The SGR is used to indicate the liquid level in a receiver or the oil level in a compressor crankcase.
The SGRN is a sight glass like SGR, but supplied with a moisture indicator.
The moisture indicator in the sight glasses are dirt repelling.
Features
Type SGN / SGRN
■ For HFC and HCFC refrigerants
■ Indicates too high water contents in the refrigeration system
■ Indication of lack of sub-cooling
■ Indication of refrigerant deficiency
■ Flare or solder connection
Type SGI
■ For HCFC and CFC refrigerants
■ Indicates too high water contents in the refrigeration system
■ Indication of lack of sub-cooling
■ Indication of refrigerant deficiency
■ Flare- or solder connection
