Emerson Alco 048800 Moisture Indicator

The Emerson Alco 048800 (Model AMI-1FM2) is a high-sensitivity moisture indicator designed for rigorous field duty in commercial refrigeration and HVAC systems. Engineering for the modern technician, this sight glass features a 1/4" Female Flare x Male Flare connection, allowing for straightforward installation into liquid lines. It is rated for a 650 PSI maximum working pressure, making it fully compatible with a wide range of CFC, HCFC, and HFC refrigerants, including high-pressure R-410A and standard R-22 systems. Unlike standard paper-based indicators, the AMI series utilizes a calibrated crystal element that provides superior moisture detection at low ppm levels. This ensures system protection by allowing contractors to identify refrigerant moisture contamination before acid formation damages the compressor. The wide-angle viewing lens and take-apart design facilitate easy maintenance and clear visibility under low-light conditions, ensuring your refrigeration components operate at peak efficiency.

• Advanced Crystal Element: Provides higher sensitivity and a longer service life than traditional paper indicators, resisting "wash-out" even in wet systems.
• High Pressure Rating: Robust brass body construction safe for 650 PSI, suitable for R-410A and other modern high-pressure HFC refrigerants.
• Serviceable Design: The take-apart configuration allows for easy replacement of the moisture indicator element and lens without removing the entire body from the line.
• Wide Angle Visibility: Features a large, clear viewing window for rapid assessment of refrigerant liquid line status and vapor/liquid transition.

What do the different colors on the indicator mean?
The Emerson AMI-1FM2 uses a calibrated color scale. Generally, dark blue indicates a dry system, while pink or purple signals various levels of moisture contamination. Technicians should refer to the specific ppm chart for the refrigerant type being used.

Can I use this with POE oils?
Yes, this 048800 moisture indicator is designed for use with Mineral, Alkylbenzene, and Polyol Ester (POE) lubricants commonly found in HVACR systems.

Does this part require a bypass for installation?
No, the AMI series is installed directly into the liquid line, eliminating the need for a bypass and ensuring a positive, real-time reaction to the actual moisture levels in the refrigerant flow.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.