Extech 412440-S Current Loop Checker
Easy to use pocket checker for simulating 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 240 Ohms
• Easy Push Button Control Steps Output in 8 mA Incraments
• Bright LED Indicates output Status and Battery Level
• Size: 3.5" x 2.3" x 1", 10 Ounces with Spade Lug Leads