Fluke 1630 Operating Manual
Earth Ground Clamp
Users Manual
®
1630
PN 2729710
October 2006
© 2006 Fluke Corporation, All rights reserved. Printed in China
All product names are trademarks of their respective companies.
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. This warranty
extends only to the original buyer or end-user customer of a Fluke authorized reseller,
and does not apply to fuses, disposable batteries, or to any product which, in Fluke's
opinion, has been misused, altered, neglected, contaminated, or damaged by accident or
abnormal conditions of operation or handling. Fluke warrants that software will operate
substantially in accordance with its functional specifications for 90 days and that it has
been properly recorded on non-defective media. Fluke does not warrant that software will
be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to enduser customers only but have no authority to extend a greater or different warranty on
behalf of Fluke. Warranty support is available only if product is purchased through a Fluke
authorized sales outlet or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when
product purchased in one country is submitted for repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price,
free of charge repair, or replacement of a defective product which is returned to a Fluke
authorized service center within the warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center to obtain
return authorization information, then send the product to that service center, with a description of the difficulty, postage and insurance prepaid (FOB Destination). Fluke assumes no risk for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that failure
was caused by neglect, misuse, contamination, alteration, accident, or abnormal condition
of operation or handling, including overvoltage failures caused by use outside the product’s specified rating, or normal wear and tear of mechanical components, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work.
Following repair, the product will be returned to the Buyer transportation prepaid and the
Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF
ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF
DATA, ARISING FROM ANY CAUSE OR THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty,
or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is
held invalid or unenforceable by a court or other decision-maker of competent jurisdiction,
such holding will not affect the validity or enforceability of any other provision.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
To register your product online, visit register.fluke.com
Table of Contents
Title Page
Introduction .......................................................................................... 1
Standard Accessories............................................................................ 1
Contacting Fluke................................................................................... 2
Safety Information................................................................................ 2
Symbols ................................................................................................ 3
Getting Acquainted with the Clamp...................................................... 4
Using the Clamp ................................................................................... 6
Ground Resistance Measurements .................................................... 6
Ground Leakage Current Measurement............................................ 8
Memory and Alarm Functions.............................................................. 9
Using the High and Low Alarms ...................................................... 9
Setting the Sampling Interval............................................................ 10
Logging Data .................................................................................... 11
Reading Data Stored in Memory....................................................... 12
Clearing Memory.............................................................................. 12
Canceling Auto-Power Off ............................................................... 12
Maintenance.......................................................................................... 12
Cleaning the Clamp .......................................................................... 13
Replacing the Battery........................................................................ 13
Specifications........................................................................................ 14
Electrical Specifications.................................................................... 14
General Specification........................................................................ 14
Ground Loop Resistance................................................................... 15
Ground Leakage Current mA............................................................ 15
Ground Leakage Current A............................................................... 15
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List of Tables
Table Title Page
1. 1630 Earth Ground Clamp Features...................................................... 4
2. Display Features ................................................................................... 5
List of Figures
Figure Title Page
1. 1630 Earth Ground Clamp Features...................................................... 4
2. Display Features ................................................................................... 5
3. Ground Resistance Measurement Principles......................................... 7
4. Ground Leakage Current Measurement................................................ 8
5. Alarm Functions ................................................................................... 9
6. Setting the Sampling Interval................................................................ 11
7. Stored Data Display.............................................................................. 12
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1630
Earth Ground Clamp
Introduction
The Fluke 1630 Earth Ground Clamp (hereafter called the “the Clamp”) is a
hand-held battery-operated clamp that measures the ground resistance of a
ground rod without using auxiliary ground rods. The Clamp can be used in
multi-grounded systems without disconnecting the ground under test.
The Clamp can be used in the following applications:
• Earth resistance testing of high voltage pylons, buildings, cell phone
substations and RF transmitters
• Inspection of lightning protection systems
Standard Accessories
The following standard accessories are provided with the Clamp:
1 9-V alkaline battery (type IEC 6F22, NEDA 1604 installed)
1 Resistance test/check loop
1 1630 Users Manual
1 Carrying Case
1
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