When two 549i are used in conjunction with two 115i pipe-clamp temperature probes it is easy to monitor superheat and sub-cooling in AC/refrigeration systems. The testo 549i easily connects to standard Schrader valves without tools and without hoses, eliminating any refrigerant loss.
eBay
eBay
1 x Male 1/8 NPT thread, 1 x female 1/8 NPT thread, 1 x female 1/8 NPT thread. R-Spec 1/8 NPT to 1/8 NPT Remote Dual Sensor Adaptor (Stainless steel/clear PVC finish). This is not to be confused with cheaper mass produced and unverified kits.
eBay
03011 ALATRI FROSINONE. Punto vendita. Condizioni Vendita.
eBay
Thread size sensor:1/8NPT. Numbers and pointer clearly show theOil Pressure. 1 x Oil Pressure Gauge. Yellow LED light on the dial for easy reading in the darkness. Color: Black Face, Yellow LED. Power: 12V DC, Max.
eBay