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User Manual
1621
Earth Ground Tester
Users Manual
PN 2842206
June 2007 Rev. 1, 7/17
© 2007-2017 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
Specifications are subject to change without notice.
MyFlukeStore
1.888.610.7664
www.
.com
Shop for Fluke products online at:
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Summary of Contents for Fluke 1621
- Page 1 1621 Earth Ground Tester Users Manual PN 2842206 June 2007 Rev. 1, 7/17 © 2007-2017 Fluke Corporation. All rights reserved. All product names are trademarks of their respective companies. Specifications are subject to change without notice. MyFlukeStore 1.888.610.7664 www. .com...
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Page 2: Table Of Contents
Operating Instructions ..............11 3-Pole Measurement .............. 11 AC Resistance Measurement ..........13 How to Clean ................13 Troubleshooting ................14 Specifications ................15 Storage ..................18 Service ..................18 MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 3: Introduction
1621 Earth Ground Tester Introduction The Fluke 1621 Earth Ground Tester (the Product or Tester) is an easy-to-use instrument for measuring the resistance to earth ground of a specified earth ground electrode. The Tester can perform a 3-pole fall-of-potential test conforming to IEC 61557-5. -
Page 4: Safety Information
Do not connect Product to hazardous voltage. • Do not open the battery compartment when leads are connected. • While a measurement is in progress, do not touch the earth electrode, auxiliary electrode, or probe. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 5: Symbols
Measurement Category II is applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low-voltage MAINS installation. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 6: Accessories
For a list of optional accessories, see Table 1. To order an accessory, see Service. Table 1. Optional Accessories Description Item/Part No. Ground/Earth Cable Reel 50 M Wire 2539117 Ground/Earth Cable Reel 25 M Wire 2539100 Ground/Earth Stake 2539121 MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 7: Features
Earth Ground Tester Features Features Refer to Figure 1 and Table 2 for Tester features and functions. evp01.eps Figure 1. Features and Functions MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... - Page 8 Battery compartment (on back) for one 9 V battery DISPLAY button for selecting measurement results and other functions START button for triggering the measurement function and other functions MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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Page 9: Software
To test the LCD display, set the rotary switch to OFF, and then press and hold DISPLAY and set the rotary switch to any On position (3 pole, 2 pole or LIMIT). evp02.eps Figure 2. Display MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 10: Interference Detection
On position (3 pole, 2 pole or LIMIT). To reset auto shut-off or to reset the Tester, turn off the Tester and then turn it on again. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 11: Resistance Limit Mode
Repeat steps 3 and 4 until you have set the maximum resistance value. When you have finished, set the rotary switch to OFF for 5 seconds to store the value. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 12: Battery Installation
Snap the battery cover shut, insert the Tester into its holster, and install the test leads. evp006.eps Figure 3. Battery Installation MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 13: Operating Instructions
When the measurement is finished, the earth ground electrode resistance (R ) automatically displays. To display the auxiliary electrode resistance (R ), press DISPLAY. To display the probe resistance (R ), press DISPLAY again. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... - Page 14 1621 Users Manual Earth Aux. Electrode Earth Electrode Probe >20 M (64 FT) >20 M (64 FT) evp03.eps Figure 4. Three-Pole Measurement Setup MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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Page 15: Ac Resistance Measurement
When the measurement is complete, the resistance (R) automatically displays. evp05.eps Figure 5. AC Resistance Measurement How to Clean Wipe the case with a damp cloth and mild detergent. Dirt or moisture in the terminals can affect readings. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 16: Troubleshooting
Weak battery If the battery is weak (<6.5 V), the supply voltage may break down during measurement. LO-BAT icon displays. Hint: Replace the battery. Use one 9 V alkaline (LR61) battery. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:... -
Page 17: Specifications
Earth Ground Tester Specifications Specifications Note Fluke reserves the right to modify specifications without notice for the purpose of product improvement. 3-pole earth ground resistance, 2 pole AC Measuring functions: resistance of a conductor Interference voltage Refers to the reference temperature range and is... - Page 18 (3-pole) or without probe (2-pole) as per IEC 61557-5 Open circuit voltage: 23 to 24 V ac Short circuit current: >50 mA ac Measuring frequency: 128 Hz Maximum permissible overload: 250 Veff MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
- Page 19 Tester retains set value even if instrument is turned off (assuming battery power supply is sufficient) If Tester detects stray interference voltage ≥20 V, W is displayed and the measurement is not started. MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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Page 20: Service
1621 Users Manual Automatic changeover of resolution: Resolution 0.01 Ω <7 kΩ 0.1 Ω <50 kΩ 1 Ω >50 kΩ MyFlukeStore 1.888.610.7664 www. .com Shop for Fluke products online at:...
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