Extech 412440-S Calibration Source Checker, Current Loop Checker, Spade LU
Choose the Extech 412440-s Calibration Source Checker to easily simulate current loops.
- Pocket Checkers are easy to use and provide a quick and easy way for checking calibration of meters or controllers
- Instantly determine if your device needs calibration or if sensor needs to be replaced
- Current Loop model is accurate to 0.1mA
- Current: 4mA, 12mA and 20mA; Overload indication when load exceeds 240Ω