Fluke 1621 Manuale utente

1621

Earth Ground Tester

Users Manual

PN 2842206

June 2007 Rev. 1, 7/17

All product names are trademarks of their respective companies.

Specifications are subject to change without notice.

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Table of Contents

Title Page

Introduction ................................................................................ 1

Unpacking.................................................................................. 1

Packing ...................................................................................... 1

Safety Information...................................................................... 2

Symbols ..................................................................................... 3

Accessories................................................................................ 4

Features..................................................................................... 5

Software ................................................................................. 7

LCD Display............................................................................ 7

Interference Detection ............................................................ 8

Auto Shut-Off.......................................................................... 8

Resistance Limit Mode ........................................................... 9

Battery Installation...................................................................... 10

Operating Instructions................................................................ 11

3-Pole Measurement .............................................................. 11

AC Resistance Measurement................................................. 13

How to Clean.............................................................................. 13

Troubleshooting.......................................................................... 14

Specifications............................................................................. 15

Storage....................................................................................... 18

Service....................................................................................... 18

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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. The Tester can also perform ac resistance testing.

To further simplify and increase the probability of an accurate measurement in

the 3-pole mode, the Tester measures the resistance of the probe and auxiliary

electrode to verify that they are within prescribed limits. The Tester also tests

for stray interference voltage (noise) and indicates if the value is too high to

take a proper measurement.

The Tester features a lighted LCD display, automatic shut-off, and a limits

mode for setting maximum resistance readings.

Unpacking

Refer to Accessories while unpacking the Tester and its accessories from the

shipping carton. Keep the packing material for future transport.

Check for missing parts and inspect the unit carefully for damage, like cracks,

dents, or bent parts. If items are missing or any physical damage is apparent,

call Fluke for assistance. Refer to Service for information on contacting Fluke.

Packing

Use only the original packing material to ship the Tester.

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1621

Users Manual

Safety Information

This measuring device is only to be installed and operated by qualified

personnel in compliance with the safety precautions and regulations that follow.

Additionally, the use of this equipment requires compliance with all legal and

safety regulations pertaining to each specific application. Similar regulations

apply to the use of accessories.

Qualified personnel are persons familiar with the setup, installation, starting,

and operation of the device, and are formally qualified to perform such

activities.

A Warning identifies 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.

XW Warning

To prevent possible electrical shock, fire, or personal injury:

•Read all safety information before you use the Product.

•Do not alter the Product and use only as specified, or the

protection supplied by the Product can be compromised.

•Operating electrical devices implies that parts of the device

carry dangerous voltages.

•Assume that safe operation of the Product is not possible if

the device shows visible damage.

•Assume that safe operation of the Product is not possible if

the device has been exposed to unfavorable conditions (for

example, storage beyond the permissible climatic limits

without adaption to the ambient climate and dewing).

•Assume that safe operation of the Product is not possible if

the device has been exposed to major strain during transport

(for example, dropped from some height without visible

external damage).

•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.

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Earth Ground Tester

Symbols

These symbols are on the Product or in this manual.

XWARNING. HAZARDOUS VOLTAGE. Risk of electric

shock.

WWARNING - RISK OF DANGER. Consult user

documentation.

TDouble Insulated

Battery

This product complies with the WEEE Directive 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.

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.

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1621

Users Manual

Accessories

The following accessories are shipped with your Product:

•Users manual

•Two measuring leads with alligator clips, 2 m (6 ft)

•One battery, 9 V alkaline (IEC 6LR61)

•One protective holster, yellow

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

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Earth Ground Tester

Features

Refer to Figure 1 and Table 2 for Tester features and functions.

123

evp01.eps

Figure 1. Features and Functions

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1621

Users Manual

Table 2. Features and Functions

No. Description

H/C2 jack for connection to the auxiliary electrode

S/P2 jack for connection to the probe

E/C1 jack for connection to the earth ground electrode

LCD display (see “LCD Display”)

Stand (on back) to prop Tester upright

Rotary switch for selecting measurement function, limit mode and

on/off

Holster that helps protect Tester from damage

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

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Earth Ground Tester

Features

Software

To check the software version, set the rotary switch to OFF, and then press and

hold START and set the rotary switch to any On position (3 pole, 2 pole or

LIMIT). The software version displays.

LCD Display

The Tester features a lighted LCD display that shows measurement readings,

messages and icons. Refer to Figure 2 and Table 3 for descriptions of the

display’s icons.

To turn on the display light, press and hold DISPLAY for 2 seconds. To turn off

the light, press and hold DISPLAY again for 2 seconds. The light turns off

automatically after 30 seconds.

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).

124

6789

evp02.eps

Figure 2. Display

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1621

Users Manual

Table 3. Display

No. Description



RH,RS and REicons indicate the resistance type being displayed:

RH = Auxiliary electrode resistance

RS = Probe resistance

RE =Earth ground electrode resistance

Hazardous voltage. Voltage >30 V dc or ac peak might be

present.

ACTIVE icon indicates a measurement is in progress

Digits display measurement results and messages

keicon indicates reading value is in kilohms (x1000)

>LIMIT icon indicates measurement value exceeds the set limit or

that auxiliary electrode resistance or probe resistance value

exceeds 199 ke

Wicon flashes if measurement value exceeds set limit or leakage

voltage exceeds 20 V

LO-BAT icon indicates battery voltage is low

U icon indicates the displayed measurement is stray interference

voltage (above 20 V)

Interference Detection

The Tester automatically checks for interference voltage (noise) fault voltage

above 20 V. Interference above 20 V greatly diminishes the accuracy of

measurements. If the Tester detects interference voltage above 20 V, the

measurement automatically stops, the Wicon flashes, the U icon displays, and

the value of the stray voltage displays.

Auto Shut-Off

The Tester has an auto shut-off feature that turns the device off after

10 minutes of inactivity. The Tester beeps to alert you that it is about to turn off.

To disable auto shut-off, simultaneously press and hold START and DISPLAY

while setting the rotary switch to any 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.

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