Fluke I800 Manual de usuario

Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

PN 2842289

June 2007

i800

AC/DC Current Clamp

Instruction Sheet

Introduction

The i800 AC/DC Current Clamp (“the Clamp”) has been designed

for use with multimeters, recorders, power analyzers, safety

testers, etc. for accurate non-intrusive ac current measurement.

Using the latest transformer technology, the Clamp range can

measure currents from 100 mA to 800 A and is available with

current or voltage outputs.

The Clamp complies with the safety standards EN61010-2-032

for input and output circuits.

Symbols

The table below lists the symbols used on the Clamp and/or in

this manual.

Symbol Description

~Do not dispose of this product as unsorted municipal

waste. Go to Fluke’s website for recycling information.

WImportant Information. See manual.

XHazardous Voltage. Risk of electric shock.

TDouble insulation.

,Application around and removal from HAZARDOUS

LIVE conductors is permissible.

)Conforms to Canadian Standards Association.

PComplies with the relevant European standards.

;Conforms to Australian standards.

CAT III

Equipment designed to protect against transients in

equipment in fixed-equipment installations, such as

distribution panels, feeders and short branch circuits,

and lighting systems in large buildings.

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

i800 English Instruction Sheet

Page 2

Safety Instructions

Please read this section carefully. It will make you familiar with

the most important safety instructions for handling the Clamp. In

this instruction sheet, a Warning identifies conditions and actions

that pose hazard(s) to the user. A Caution identifies conditions

and actions that may damage the Clamp or the test instruments.

WX Warning

The Clamp may only be used and handled by

qualified personnel. To avoid electric shock or

personal injury, follow these precautions:

•Do not use the Clamp if damaged. Always

connect to display device before it is installed

around the conductor.

•If the Clamp is not used as specified by the

manual, protection provided by the Clamp may

be impaired.

•Do not clamp around a conductor before

connecting current to the measuring

equipment.

•Do not disconnect the output from the

measuring equipment while the Clamp is still

around a conductor.

•Connect the Clamp output to measuring

equipment having safety receptacles.

•Do not use prior to consulting local and

national safety codes and use of protective

equipment is recommended.

•Do not hold the Clamp beyond the tactile

barrier.

•Before each use, inspect the Clamp. Look for

cracks or missing portions of the housing or

output cable insulation. Also look for loose or

weakened components. Pay particular attention

to the insulation surrounding the jaws. Open

and close the Clamp, noting detent action

indicating proper mechanical operation of

SIACTM anti short circuit feature.

•Use caution when working with voltages above

60 V dc, 30 V ac rms or 42 V ac peak. Such

voltages pose a shock hazard.

•Do not use Clamp in wet environments or in

locations that hazardous gases exist.

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

i800 English Instruction Sheet

Page 3

SIAC

™

(Security Internal Anti Short Circuit)

SIACTM (Security Internal Anti Short Circuit), patent applied for,

provides protection against short circuits between adjacent

primary conductors when clamped around conductors. This

mechanism ensures that the magnetic circuit separates at the

bottom of the jaw prior to the jaw opening at the top.

A detent action produced by SIAC™can be felt when opening

the jaws. This detent action should always be present in use.

If the jaws open smoothly, service is indicated and the Clamp

should be inspected at the nearest Fluke Service Center. See

“Contacting Fluke”.

Operating Instructions

WX Warning

To avoid electric shock or personal injury when

using the Clamp:

•Ensure that your fingers are behind the tactile

barrier as shown in Figure 1.

•Do not use the Clamp if any part, including the

lead and connector(s), appears to be damaged

or if a malfunction of the instrument is

suspected.

•Clamp around the current carrying conductor

ensuring good contact between the jaw faces.

Center the cable between the Clamp jaws.

Note

The arrow on the labels shows the direction of the

current flow form the source to the lead. In order to have

a correct phase relationship between the primary

current and the clamp output, care must be taken

regarding the direction of current flow.

1. Connect the Clamp output connectors between the

common and the appropriate current input jack of a

suitable meter, then switch the meter on.

2. Select a 20 mA ac or greater current range.

3. Clamp the probe around the current-carrying conductor

to be measured (see Figure 1). Make sure the probe

jaws are tightly closed around the conductor.

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

i800 English Instruction Sheet

Page 4

Note

Wire size and the position of the wire within the probe

jaws does not affect measurement accuracy.

4. Multimeter readings displayed in milliamps (mA) can be

read directly as amperes of conductor current. Readings

displayed in amperes (A) must be multiplied times 1000

to obtain the amperes of conductor current.

CAT

RANGEHOLD

MIN MAX

320 A

Tactile

Barrier

Single

Current Carrying

Conductor

eyd001f.eps

Figure 1. Current Measurement

Meter Readings

When the Clamp is connected to a compatible current meter and

clamped around a single current-carrying conductor, the meter

reading will be one 1000th of the actual current in the conductor.

For example, a 5 A input current will be transformed into a 5 mA

output current (see Figure 1). When measuring current in an ac

line cord, the jaws should be clamped around only one conductor

(the black or hot wire in a three wire cord). If the jaws are

clamped around both current carrying conductors, the currents

will cancel and produce a zero reading. If the probe is clamped

around two wires carrying current in the same direction, the sum

will be read. Reversing one of the wires causes the difference to

be read.

Low-Level Current Measurement

The Clamp is specified to measure currents of 100 mA or

greater. Currents less than 100 mA will produce meter readings

that are below the true value. Low-level currents can be

measured by looping the input wire through the jaws so that the

sum of the current through the jaws is greater than 100 mA. The

actual current can then be calculated by dividing the meter

reading by the number of turns looped through the jaws. For

example, to measure a current of 40 mA (0.04 A), form a 10-turn

loop and clamp the jaws around all 10 turns. The meter reading

will be 400 mA, which corresponds to a primary current of 4 A.

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

i800 English Instruction Sheet

Page 5

The actual current in the conductor is 400 mA divided by 10-

turns, or 40 mA.

Maintenance

Performance Test

Verify Probe accuracy by measuring the output of a 20 A (±0.2

%), 60 Hz current source (Fluke 5100B and 5220A or

equivalent). When used with a compatible DMM with ± 0.75 % or

better ac current accuracy (Fluke 8060A or equivalent), the probe

should measure 20.00 A ± 0.40 A (20.00 mA, ± 0.40 mA). There

are no calibration adjustments in the Clamp.

Cleaning

Clean the case periodically by wiping it with a damp cloth and

detergent. Do not use abrasive cleaners or solvents. Do not

immerse the Clamp in liquids.

Specifications

Electrical Characteristics

Current Range 800 A rms

Continuous Measuring Range 100 mA to 800 A rms

Overload Capability

for 1 Hour, 33 % Duty Cycle 1500 A rms (50/60 Hz)

Output Sensitivity 1 mA / A

Turns Ratio 1000:1

Accuracy (at 100 A, 2 kHz, +25 °C) ± 1% of reading

Load Impedance ≤20 Ω

Phase Shift at 2 kHz ± 1 degree

Frequency Range 30 Hz to 10 kHz (-3 dB)

Working Voltage

(see Safety Standards section) 600 V ac rms or dc

General Characteristics

Maximum Conductor Size 54 mm diameter

Output Connection 4 mm safety plugs

Operating Temperature Range -10 to +55 °C

Storage Temperature Range -40 to +70 °C

Operating Humidity 15 % to 85 %

(non condensing)

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Distributor of Fluke Electronics: Excellent Integrated System Limited

Datasheet of I800 - CURRENT CLAMP PROBE AC

i800 English Instruction Sheet

Page 6

Weight 650 g

Cable Length 1.6 meters

Overload Conditions Operation above 1200 A

should be limited to

frequencies below 1 kHz

Duty Cycle 1500 A at 50 / 60 Hz for 1

hour, 33 % duty cycle

(20 min ON, 40 min OFF).

Safety Standards

EN 61010-1: 2001

EN 61010-2-032: 2002

EN 61010-031: 2002

600 V rms, Category III, Pollution Degree 2

Use of the clamp on uninsulated conductors is limited to 600 V

ac rms or dc and frequencies below 1 kHz.

CAT III equipment is designed to protect against the transients in

the equipment in fixed equipment installations, such as

distribution panels, feeders and short branch circuits, and the

lighting systems in large buildings.

EMC Standards

EN 61326 :1998 +A1, A2, & A3

LIMITED WARRANTY AND LIMITATION OF LIABILITY

This Fluke product will be free from defects in material and

workmanship for one year from the date of purchase. This

warranty does not cover fuses, disposable batteries, or damage

from accident, neglect, misuse, alteration, contamination, or

abnormal conditions of operation or handling. Resellers are not

authorized to extend any other warranty on Fluke’s behalf. To

obtain service during the warranty period, 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 problem.

THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER

WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR PURPOSE,

ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY

SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES

OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some

states or countries do not allow the exclusion or limitation of an

implied warranty or of incidental or consequential damages, this

limitation of liability may not apply to you.

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

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