Job Link� System Probes Charge Kit - Connect two pressure probes and two pipe temperature clamps to immediately see system charge on your Job Link� System mobile app. Easily determine if unit is running properly, or if troubleshooting is needed. All measurements can be sent up to 1000' away directly your mobile device. Each tool is designed for agility and speed. The pressure probe fits into tight spaces. The pipe clamp uses a new Rapid Rail� sensor design to deliver accuracy, speed, and agility, even on the most awkward pipe configurations. Do more with Job Link probes!