Digital Single Manifold Gauge SMG-1H are professionally digital gauges used for maintaining, monitoring and evacuating refrigeration systems and charging refrigerants. The gauges can measure system pressure and display various parameters such as the evaporation temperature of the corresponding refrigerant. They have a backlight, auto-off, unit switch, over-range alarm, and other functions.

Key Feature:

Professional Design: 2-Way Air conditioning diagnostic manifold gauge set for R134A R12 R22 and R410A refrigerants. Designed for AC charging, diagnostic check and recovery work.

Easy to use: Double pressure test, dual temperature test, digital readout, multi-unit switching, multi-mode function and built-in refrigerant database.

High Accuracy: High-quality dual-table valve with the imported pressure sensor, excellent workmanship, stable performance, Large screen, display data clearly.

Long battery life: Powered by 3AAA batteries, up to work for about 6 months.

Wide Application: The intelligent electronic refrigerant group instrument is an auxiliary instrument for the installation, testing and maintenance of refrigeration equipment such as air conditioners, fridge and cold storage. 24/7 US Technician Support via Email and Phone.

Service 1-year warranty. 30 days free & easy return