Mastercool 82172 Black Series Mini-Fold R1234yf Compact 2-Way Aluminum Manifold Gauge

The Mastercool Black Series Compact 2-Way Digital Manifold Gauge Set delivers professional-grade performance in a portable package. This precision-engineered tool effortlessly performs pressure and temperature calculations for up to 91 different refrigerants including R134a, R410a, R22, and R1234yf, displaying results on a large 4-digit blue backlit LCD screen that remains vibrant even in low-light conditions.

Key Features:

• Compact black anodized aluminum block with matte chrome fittings for maximum portability
• Supports 91 refrigerants with automatic pressure/temperature calculations
• Multiple unit conversions: MPa, kPa, bar, psi, kg/cm², inHg
• Large blue backlit LCD display with 4-digit readout
• Built-in alarm indicators for over range, low battery, and temperature scale (°F/°C)
• Large sight glass for quick visual refrigerant condition checks
• Easy-grip control knobs for comfortable operation
• Automatic shut-off feature to conserve battery life
• Max and min value memory for diagnostic tracking

Constructed from high-quality materials and precision-machined to the highest standards, this compact manifold is designed to meet the demanding needs of busy HVAC/R technicians. The Mini-Fold design provides a powerful diagnostic solution without sacrificing portability, making it ideal for both mobile service and shop use.