Fluke 1623-2 Operating Manual
1623-2
Earth/Ground Tester
January 2014
© 2014 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
Users Manual
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 two years 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 end-user 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
How to Contact Fluke ......................................................................................... 1
Safety Information .............................................................................................. 2
Storage ............................................................................................................... 3
Models and Accessories .................................................................................... 4
Additional Accessories ....................................................................................... 5
Features ............................................................................................................. 6
Display ............................................................................................................... 7
Setup .................................................................................................................. 8
Batteries ......................................................................................................... 8
Description of Functions ................................................................................ 10
Operation ........................................................................................................... 11
RA 2-Pole, 3-Pole Measurements .................................................................. 11
RA 4-Pole Measurements .............................................................................. 13
RA 3-Pole Selective Earth Resistance Measurement with Current Clamp .... 15
RA 4-Pole Selective Earth Resistance Measurement with Current Clamp .... 17
Stakeless Ground Loop Measurement .......................................................... 19
Advanced Operation .......................................................................................... 21
Measurements on High Voltage Pylons ........................................................ 21
Measurement of Soil Resistivity .................................................................... 24
Export Stored Data to PC .................................................................................. 26
Delete Stored Data ............................................................................................. 26
How to Troubleshoot .......................................................................................... 27
Maintenance ....................................................................................................... 29
Calibration .......................................................................................................... 29
Service ............................................................................................................... 29
Specifications ..................................................................................................... 30
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ii
List of Tables
Table Title Page
1. Symbols .................................................................................................................. 3
2. Models and Accessories ........................................................................................ 4
3. Features and Functions .......................................................................................... 6
4. Display .................................................................................................................... 7
5. Sample .CSV File for Logged Data ........................................................................ 26
6. Troubleshooting ...................................................................................................... 27
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iv
List of Figures
Figure Title Page
1. External Current Transformer EI-162BN ................................................................ 5
2. Battery Insertion ..................................................................................................... 9
3. R
4. R
5. R
6. R
7. R
8. Stakeless Ground Loop Measurement ................................................................... 20
9. Earthing Resistance without Disengaging the Overhead Earth Wire ..................... 21
10. Measurement of Soil Resistivity ............................................................................. 24
11. Troubleshooting ...................................................................................................... 28
2-Pole Measurement ......................................................................................... 12
A
3-Pole Measurement ......................................................................................... 12
A
4-Pole Measurements ....................................................................................... 14
A
3-Pole Selective Earth Resistance Measurement with Current Clamp ............. 16
A
4-Pole Selective Earth Resistance with Current Clamp .................................... 18
A
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vi
Introduction
The 1623-2 Earth Ground Tester (Tester or Product) is a compact, field-rugged
instrument that performs all four types of earth ground measurement. Specifically, the
Tester is able to measure earth ground loop resistances using only clamps – called
Stakeless testing. This method doesn’t require the use of earth ground stakes or the
disconnection of ground rods.
The 1623-2 features:
• One-button measurement concept
• 3-pole and 4-pole earth ground measurement
• 4-pole soil resistivity testing
• Selective testing, no disconnection of ground conductor (1 clamp)
• Stakeless testing, quick ground loop testing (2 clamps)
• Measuring frequency 128 Hz
How to Contact Fluke
To contact Fluke, use one of these telephone numbers:
• USA: 1-800-760-4523
• Canada: 1-800-36-FLUKE (1-800-363-5853)
• Europe: +31 402-675-200
• Japan: +81-3-6714-3114
• Singapore: +65-6799-5566
• Anywhere in the world: +1-425-446-5500
Go to www.fluke.com to register your product, download manuals, and find more
information.
To view, print, or download the latest manual supplement, visit
http://us.fluke.com/usen/support/manuals.
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1623-2
Users Manual
Safety Information
A Warning identifies hazardous conditions and procedures that are dangerous to the
user. A Caution identifies conditions and procedures that can cause damage to the
Product or the equipment under test.
Warning
To prevent possible electrical shock, fire, or personal injury:
• Read all safety information before you use the Product.
• Use the Product only as specified, or the protection supplied by
the Product can be compromised.
• Do not use the Product if it operates incorrectly.
• Do not use the Product if it is damaged.
• Do not use test leads if they are damaged. Examine the test leads
for damaged insulation, exposed metal, or if the wear indicator
shows. Check test lead continuity.
• Do not use the Product around explosive gas, vapor, or in damp or
wet environments.
• Do not apply more than the rated voltage, between the terminals or
between each terminal and earth ground.
• Use only current probes, test leads, and adapters supplied with the
Product.
• Do not use a current measurement as an indication that a circuit is
safe to touch. A voltage measurement is necessary to know if a
circuit is hazardous.
• The battery door must be closed and locked before you operate the
Product.
• Replace the batteries when the low battery indicator shows to
prevent incorrect measurements.
• Do not connect directly to mains.
• Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc.
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Earth/Ground Tester
Storage
Table 1 is a list of symbols used on the Tester and in this manual.
Table 1. Symbols
Symbol Description
Risk of Danger. Important information. See Manual.
Hazardous voltage. Risk of electrical shock.
Battery Indicator
Conforms to European Union directives.
Conforms to relevant South Korean EMC Standards.
Conforms to relevant Australian EMC requirements.
This product complies with the WEEE Directive (2002/96/EC) marking
requirements. The affixed label indicates that you must not discard this
electrical/electronic product in domestic household waste. Product Category:
With reference to the equipment types in the WEEE Directive Annex I, this
product is classed as category 9 "Monitoring and Control Instrumentation”
product. Do not dispose of this product as unsorted municipal waste. Go to
Fluke’s website for recycling information.
Storage
If the Tester is stored for an extended period of time or is not in use for a long time, you
should remove the batteries.
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Users Manual
Models and Accessories
These standard accessories were shipped with your Tester:
• 6 alkaline AA – type (LR6) batteries
• 2 measuring leads 1.5 m
• 1 connector cable (for RA 2-pole measurements)
• 2 alligator clips
• 1 Documentation CD with Users Manual
• Quick Reference Guide
• Safety Information
Table 2 lists the models and accessories.
Table 2. Models and Accessories
Description Part Number
1623-2 Earth Ground Tester
(Includes Users Manual, Safety Information, QRG, Geox Probe
Cable, 2 clips, Lead set) 4325155
1623-2 Earth Ground Tester Kit
(Includes Users Manual, Safety Information, QRG, Geox Probe
Cable, 2 clips, Lead set, 4 Earth Stakes, 3 Cable Reels, C1620
Carrying Case, EI-162X & EI-162AC) 4325170
162x-7001 Service Replacement Kit
(Includes Lead set & 2 clips) 2577167
Earth Stake 4325492
ES-162P3-2 Stake Set for 3 Pole Measurement
(Includes 3 Earth Stakes, 1 Cable Reel 25M Blue, 1 Cable Reel 50M
Red) 4359377
ES-162P4-2 Stake Set for 4 Pole Measurement
(Includes 4 Earth Stakes, 1 Cable Reel 25M Blue, 1 Cable Reel 25M
Green, 1 Cable Reel 50M Red) 4359389
EI-1623 Selective/Stakeless Clamp Set for 1623-2/1625-2
(Includes EI-162X, EI-162AC) 2577115
EI-162X Clip-on Current Transformer (sensing) with shielded cable
set 2577132
EI-162AC Clip-on Current Transformer (inducing) 2577144
EI-162BN Split Core Transformer - for Pylon Testing
(12.7 inch - 320 mm) 2577159
Shielded Cable (Used w/ EI-162X Clamp) 2630254
4
Cable Reel, 25M, Blue wire 4343731
Cable Reel, 25M, Green wire 4343746
Cable Reel, 50M, Red wire 4343754
C1620 Carrying Case 4359042
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