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Extech 412440-S Calibration Source Checker
Part Number:
EX 412440-S
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Price:
$119.99 
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CAD (change) 
- 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
- 0.1mA accuracy
- Current: 4mA, 12mA and 20mA; Overload indication when load exceeds 240Ohm
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