412440-S Calibration Source Checker

Product Features

• 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
• Sources three discrete current levels: 4mA, 12mA, and 20mA
• Ideal for checking calibration and as a current source for setting up engineering units on a process indicator or controller 
• Bright red LEDs indicate simulation output or battery status 
• Accurate to 0.1mA
• Overload indication when load exceeds 240Ω
• Compact case features push button output selector switch