The 845AB Null Detector is an all solid-state null detector designed for extremely high input impedance, sensitivity, and isolation. Operates from either AC line or Battery. Offers 19 ranges from 1 ?V to 1000 VDC. Accuracy of ?2%. Input isolation is greater than 10E+12 ohms. Input may be floated to 1100 V above ground and overload protected to 1100 V on all ranges. Recorder output isolated from input.
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