Buy Fieldpiece MG44 Wireless Vacuum Gauge – Digital Micron Meter for HVAC & Refrigeration

Professional Wireless Digital Micron Gauge

The Fieldpiece MG44 Wireless Vacuum Gauge is a professional-grade digital micron meter designed to accurately measure vacuum levels during HVAC and refrigeration system evacuation. Engineered for technicians who demand precision and convenience, the MG44 features wireless Bluetooth® connectivity, a rugged IP54-rated housing, and an easy-to-read backlit display. It can be used as a standalone vacuum gauge or connected to the Fieldpiece Job Link® System App or compatible SMAN® Digital Manifolds for remote monitoring of evacuation progress.

Key Features

• Wireless Bluetooth® connectivity
• Digital micron vacuum gauge
• Measures 50 to 25,000 microns
• Accuracy: ±(5% of reading + 5 microns) from 50–2,000 microns
• Three display modes: Rate, Bar Graph, and Rate Meter
• Large backlit LCD display
• 1/4″ SAE male fitting with reversible 45° angled coupler
• Wireless range up to 1,000 ft (305 m) line of sight
• Compatible with the Job Link® System App
• Compatible with SM380V and SM480V digital manifolds
• Rugged IP54 weather-resistant housing
• Overpressure protection up to 870 psig (60 bar)
• Powered by two AA alkaline batteries
• Battery life up to 40 hours
• Compact and lightweight (300 g)
• A2L refrigerant compatible

Technical Specifications

Compatible Refrigerants

The Fieldpiece MG44 Wireless Vacuum Gauge is suitable for evacuation and vacuum measurement on systems using:

• R22
• R32
• R134a
• R404A
• R407C
• R410A
• R448A
• R449A
• R452A
• R454B
• R507
• R1234yf
• R1234ze
• Most CFC, HCFC, HFC, HFO, and A2L refrigerants.

Applications

The Fieldpiece MG44 Wireless Vacuum Gauge is ideal for:

• Residential air conditioning installation
• Commercial HVAC service
• Refrigeration system evacuation
• Heat pump installation
• Cold room servicing
• Refrigerant recovery preparation
• Vacuum dehydration
• Leak verification after evacuation
• Preventive HVAC maintenance
• Industrial refrigeration systems

Why Choose the Fieldpiece MG44 Wireless Vacuum Gauge?

The Fieldpiece MG44 Wireless Vacuum Gauge provides technicians with precise, real-time vacuum measurements without requiring them to remain next to the equipment. Wireless connectivity allows evacuation progress to be monitored from a smartphone or compatible digital manifold, improving efficiency and reducing time on the job.

Its rugged construction, IP54 weather resistance, reversible angled coupler, and overpressure protection make it suitable for demanding field environments. The integrated display offers multiple viewing modes, while compatibility with modern refrigerants—including R32, R410A, R134a, and R1234yf—makes it an excellent choice for servicing today’s HVAC and refrigeration systems.

Package Includes

• Fieldpiece MG44 Wireless Vacuum Gauge
• Reversible 45° angled coupler
• Two AA alkaline batteries
• Protective storage case
• User manual

Related Products

• Fieldpiece VP87 Vacuum Pump
• Fieldpiece MR45 Refrigerant Recovery Machine
• Fieldpiece SM480V Digital Manifold
• Refrigerant Charging Scales
• Refrigerant Recovery Cylinders
• HVAC Leak Detectors