6 Digital Ground Resistance Tester Model 3640 and 4610CHAPTER 2PRODUCT FEATURES2.1 3640 Control and Connector IdentificationΩPress ToMeasureX-ZXv-YXv-YZYXC1 P2 C2FaultHi ResistanceHi NoiseGROUND RESISTANCE TESTERMODEL 3640AUTORANGINGREFER TO USER MANUALFOR FAULT WARNING LIGHTEXPLANATIONS!2 3 4 56789101Figure 11. Press-to-Measure button2. Input terminal X (C1)3. Input terminal Y (P2)4. Ground resistance shorting link5. Input terminal Z (C2)6. Display7. Low battery indicator8. Xv-Y high noise indicator9. Xv-Y high resistance indicator10. X-Z fault indicator
