Mastercool 55900 Intellasense II Refrigerant Leak Detector – Heated Tin Oxide Sensor, Super Sensitive Mode, Certified for R134a and R1234yf, Compact Design with LED Display and Leak Vial

Brand: Mastercool

Color: Blue

Features:

• ✔️ HEATED TIN OXIDE SENSOR – Detects all refrigerants (CFCs, HCFCs, HFCs, and blends) with high sensitivity and fast response time
• ✔️ CERTIFIED PERFORMANCE – Complies with SAE J2791 (R134a), J2913 (R1234yf), and EN 14624 standards
• ✔️ SUPER SENSITIVE MODE – Enables enhanced detection of small leaks, including R1234yf and R407C
• ✔️ INTELLIGENT PROBE DESIGN – 15.5” flexible probe with environment-sensing tip minimizes false alarms
• ✔️ PEAK HOLD FUNCTION – Locks the highest leak signal while continuing to scan for additional leaks
• ✔️ USER-FRIENDLY INTERFACE – Volume/mute control, three sensitivity levels, and LED indicators for signal strength, sensor status, and diagnostics
• ✔️ INCLUDES ACCESSORIES – Comes in a blow molded case with leak test vial, replacement filters, and 2 “C” batteries
• ✔️ U.S. BASED CUSTOMER SUPPORT – Reliable service from Mastercool’s New Jersey headquarters

Release Date: 13-05-2016

model number: 55900

Part Number: 55900

Details: Overview
The Mastercool 55900 Intellasense II is a compact, professional-grade leak detector designed to deliver reliable performance in real-world HVAC and automotive environments. Using an advanced heated tin oxide sensor, it detects refrigerant leaks down to 0.15 oz/year with exceptional speed and precision. Designed for R134a, R1234yf, and all common refrigerants, this tool is fully certified to SAE J2791, J2913, and EN 14624 standards.

Key Features
✔️ ADVANCED SENSOR TECHNOLOGY – Heated tin oxide sensor detects refrigerants with high accuracy
✔️ PEAK FUNCTION – Highlights the highest leak detected for multi-leak environments
✔️ INTELLIGENT TIP DESIGN – Reduces false alarms by sensing and adjusting to the environment
✔️ MULTI-COLOR LED INDICATORS – Visual signal strength and diagnostic feedback in real-time
✔️ FLEXIBLE PROBE – 15.5' gooseneck reaches tight or hidden leak zones with ease
✔️ INTERTEK CERTIFIED – Complies with J2791 (R134a), J2913 (R1234yf), and EN 14624 standards

Why Mastercool
With over 35 years of innovation in A/C service equipment, Mastercool builds tools trusted by technicians worldwide. The 55900 combines accuracy, durability, and ease of use—offering dependable performance for serious leak detection needs.

Technical Specifications
- Sensor Type: Heated tin oxide
- Sensor Life: 2000 hours
- Sensitivity: High (0.15 oz/yr), Medium (0.25 oz/yr), Low (0.50 oz/yr)
- Response Time: Less than 1 second
- Probe: 15.5' flexible probe with intelligent tip
- Display: 6-level LED indicator with diagnostics
- Battery: 2 'C' alkaline batteries
- Battery Life: 30 hours
- Certifications: SAE J2791, J2913, EN 14624
- Includes: Detector, leak test vial, filters, 2 “C” batteries, blow molded case

EAN: 0700376559002

Package Dimensions: 14.5 x 9.1 x 4.7 inches