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® 1630 Earth Ground Clamp Calibration Information Introduction This document provides the following information for the 1630 Earth Ground Clamp (hereafter referred to as the Clamp or UUT): • Safety information • Symbols • Specifications • Maintenance • Performance Tests •...
Battery or battery compartment. Low battery when shown on display. Conforms to requirements of European Union. Do not dispose of this product as unsorted municipal waste. Go to Fluke’s website for recycling information. Canadian Standards Association. Complies with Canadian and US Standards.
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Earth Ground Clamp Specifications Specifications General Specifications Conductor Size..........33 mm (1.3 in) approximately Dimensions (L x W x H) ........276 mm x 100 mm x 47 mm (10.8 in x 3.9 in x 1.9 in) Weight ..............750 g (1.65 lb) Electrical Specifications Display ...............
The recommended calibration interval is 12 months. In the performance tests, the Clamp is referred to as the unit under test (UUT). If the UUT fails any performance test, contact Fluke Service for repair. See Contacting Fluke.
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Table 2 lists the required equipment to complete the performance tests. If the recommended models are unavailable, use equipment with equivalent specifications. Table 2. Required Equipment Equipment Minimum Required Characteristics Recommended Model Fluke 5520A High Performance AC current: Multi-Product Calibrator • Range 9 mA to 10 A ± 1.25 % Calibrator •...
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5. Continue accuracy tests for the other functions listed in Table 3. If any display readings fall outside of the Display Reading Limits in Table 3, the UUT requires calibration adjustment or repair. See Contacting Fluke. Table 3. 1630 Accuracy Tests...
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Earth Ground Clamp Performance Tests Table 3. 1630 Accuracy Tests (cont.) Display Reading Step Source Applied Value Function Limits/Instruction Press F and set the HI alarm to 40 Ω Press F to return to measurement function Clamp Beeps and Display shows 50 Ω...
The UUT is now in the calibration adjustment mode. Refer to Figure 2 for adjustment locations and complete the adjustments as instructed in Table 4. If the UUT fails to meet any expected results, contact Fluke Service for repair. See Contacting Fluke. Table 4. Calibration Adjustment Steps...
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Earth Ground Clamp Calibration Adjustment Table 4. Calibration Adjustment Steps (cont.) Meter Applied Expected Step Action Source Adjust Function Value Result/Instruction Enter Cal Mode Harmonic displays Press Honce when 1 A / 60 Hz reading is stable. Press Honce when Calibrator and 6-in.
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1630 Earth Ground Clamp Press tab and lift to remove battery holder from PCA. 6LR61 BATTERY Do not remove shield during adjustment. Shield removed for demonstration purposes only. Do not remove during adjustment. VR11 VR10 VR20 VR6 is not used fcy02.eps...
Limited Warranty and Limitation of Liability Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is one year and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days.
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