Ideal for detecting leaks from HVAC systems, plumbing, appliances, water heaters, etc. Also helps find mold-causing moisture.uf
72-12945 - 4-In-1 Soil Meter - Temp, Light, pH, and Moisture
Ideal for measuring the temperature, pH and moisture content of soil and the intensity of sunlight it receives.
72-12955 - 3-In-1 Stud and Volt Finder
Locates wood studs/joists and metal cables/pipes behind walls or inside furniture. Also detects energized AC outlets and "live" wires behind walls or ceilings. Ideal for building contractors, carpenters, plumbers, HVAC/R specialists, home inspectors, electricians,...
72-12960 - Analog Gas Pressure Test Gauge - 0 to 5 psi
Measures natural gas (methane) or LP gas pressure across appliance manifolds. Easier to use than a manometer. Ruggedized for heavy-duty field use.
I have dealt with MCM Electronics a number of times and have been more than satisfied.