CheckPoint employs a proprietary digital technology similar to physical probe technology. The level controller uses a two-probe configuration, where one probe is for reference and the other is the indicator. It can be field calibrated using a small magnet, which calibrates the unit in less than 10 sec when it is swiped over top of internal reed switch. The 0 to 20 mA output is accurate to within 2 percent.

Waterline Controls, (888) 905-1892

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