Fluke 360 Manual de usuario

360

Leakage Current Clamp Meter

Instruction Sheet

Safety Information

XW Read First: Safety Information

To avoid shock or personal injury, ensure safe

operation and service of the Leakage Current Clamp

Meter (“Clamp Meter”), follow these instructions:

•Read the operating instructions before use and

follow all safety instructions.

•Use the Clamp Meter only as specified in the

operating instructions otherwise the

instrument’s safety features may not protect

you.

•Adhere to local and national safety codes.

Individual protective equipment must be used

to prevent shock and arc blast injury where

hazardous live conductors are exposed.

•Before each use, inspect the Clamp Meter. Look

for cracks or missing portions of the clamp

housing. Also look for loose or weakened

components. Pay particular attention to the

insulation surrounding the jaws.

•Disconnect the Clamp Meter from measurable

conductors under test before opening the case

to replace the battery.

•Avoid using the instrument if it has been

exposed to rain or moisture or if your hands are

wet.

•Do not use the instrument in an atmosphere

where flammable or explosive gas is present.

•Do not use the Clamp Meter near noise-emitting

equipment or where there may be sudden

changes in temperature. Otherwise the Clamp

Meter may produce unstable readings or errors.

•Never use the Clamp Meter on a circuit with

voltages greater than 300 V CAT III.

CAT III equipment is 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.

•Use extreme caution when working around bare

conductors or bus bars. Contact with the

conductor could result in electric shock.

•Use caution when working with voltages above

60 V dc or 30 V ac. Such voltages pose a shock

hazard.

•Do not leave the Clamp Meter exposed to direct

sunlight or in a hot or humid location for any

prolonged period of time.

•Keep fingers behind the tactile barrier. See

Figure 1.

PN 2726405

October 2006

All product names are trademarks of their respective companies.

Symbols

Table 1. Symbols

Symbol Explanation

TProduct is protected by double insulation.

WRisk of Danger. Important information. See Instruction

Sheet.

XHazardous voltage

BAlternating Current

FDirect Current

JEarth

,May be used on hazardous live conductors

~Do not dispose of this product as unsorted municipal

waste. Contact Fluke or a qualified recycler for disposal.

PConforms to relevant European Union directives

MBattery

Components

POWER

AUTO POWEROFF

epq001.eps

Item Explanation

A Place fingers behind the Tactile Barrier

B The Jaw is a precision sensor for detecting current

C Use the mA/A Selector Switch to choose the range of

ac current (either mA or A) to be measured

D The Display shows the measured value (digital reading

or bargraph), unit, function, and low-battery symbol

E Open and close the jaw with the Open/Close Lever

The Data Hold Switch retains the measured data on

the display. If pressed,

D • H

appears and the data is

retained. If pressed again, data hold is canceled and

D • H

disappears.

G Press the Power Button to turn on Clamp Meter power

H Battery Housing holds the battery

Figure 1. The 360 Clamp Meter

Measuring Instructions

WCaution

Do not subject the jaw to unreasonably strong

shock, vibration, or force.

If dust gets into the top of the jaws, remove it

immediately. Do not close the jaws when dust is

trapped in its joints as the sensor may be damaged.

1. Turn the Clamp Meter on by pressing the power button.

2. Open the jaws and insert the conductor under test through

the jaws, making sure the tops of the jaws are tightly shut.

3. Once the reading stabilizes, read the value. Use the DATA

HOLD function if the reading is difficult to read.

4. Make sure the jaws are perpendicular to the conductor.

5. For optimal readings, make sure the conductor is positioned

between the alignment marks on the jaws of the Clamp

Meter. Refer to Figure 2.

Load

Single-Phase

Two-Wire Circuit

Load

Grounding Wire

(1) (3)

(2)

Load

Insert only one of the wires through the jaws.

• Example of Load Current

Measurement

Single-Phase Three-

Wire or Three-Phase

Three-Wire Circuit

epq002.eps

Figure 2. Measurements

Auto Power Off

The instrument automatically turns off 10 minutes after the last

switch operation. A beeper sounds 15 seconds before the

automatic power off.

Maintenance

If the Clamp Meter does not work or perform properly, use the

following steps to help isolate the problem:

1. Inspect the jaw mating surface for cleanliness. If any foreign

material is present, the jaw will not close properly and

measurement errors will result.

2. Verify that the range on the Clamp Meter is correct.

Cleaning

Periodically wipe the case with a damp cloth and mild detergent.

WCaution

To avoid damaging the Clamp Meter, do not use

abrasives or solvents to clean the clamp.

Open the jaws and blow air to remove dust or debris at the jaw

mating surfaces.

Battery Replacement

If battery voltage drops below the operating voltage, the battery

symbol (M) appears on the display. If this happens, replace the

battery as soon as possible.

XW Warning

There is risk of electric shock during battery

replacement. Always remove the Clamp Meter from

measurable conductors under test before replacing

the battery.

Always use the correct replacement battery.

To replace the battery, see Figure 3:

1. Make sure the power is off.

2. Place the Clamp Meter on its face and turn the battery cover

counter clockwise using a Phillips screwdriver.

3. Remove the cover and the installed battery.

4. Replace the battery, making sure that the polarity is correct.

5. Reinstall the battery cover, turn it clockwise and reinstall the

screw.

A B

epq003.eps

A Insert the battery ensuring the polarity is correct.

B Close the battery cover, aligning the arrow’s tail with the

dot and then turn clockwise

Figure 3. Changing the Battery

General Specifications

Measurement functions AC current

Additional functions Data hold and Auto power-off

Display (LCD) Digital reading : 3200 counts

Bar Graph: 32 segments

“OL” over-range indication

Low-battery symbol

Range Selection Automatic

Sampling Digital reading: 2 times/sec

Bar graph: 12 times/sec

Operating temperature

and humidity range

0 to 50 °C, with a maximum

humidity of 80 % RH

(no condensation)

Storage temperature and

humidity range

-20 to 60 °C, with humidity range

20 to 70 % RH

(no condensation)

Temperature Coefficient ±0.05 % of measuring range/°C

(< 18 °C or > 28 °C).

Measuring range: 0 to 50 A

0.0005 % typical value (in terms

Effect of external

magnetic fields

of the magnitude of current in

adjacent wires)

Maximum conductor Size 40 mm

Maximum circuit voltage 300 V rms

Power Consumption 6 mW maximum

Automatic Power off Automatically turns off the power

approximately 10 minutes after

the last switch operation. The

beeper will turn on 15 seconds

before power off.

Power Supply CR2032 lithium battery

Battery Life Approximately 90 hours of

continuous operation

Dimensions 70 mm (W) x 176 mm (H) x 25

mm (D)

Weight Approximately 200 g

(including battery)

Safety Specifications

Category Rating

CAT III 300 V per IEC/EN61010-1, and 61010-2-032 Pollution

Degree 2, indoor use

EMC

EN61326-1

Effect of Radiated Immunity

Rated accuracy +4.0 % in an electromagnetic field of 3 v/m.

Operating Altitude

2000 m

Accessories

C75 soft carrying case

Electrical Specifications

Reference Conditions: 23 ±5 °C and 80 % RH maximum

Accuracy: ±(percent of reading + digit)

AC Current Measurement

Range Resolution Accuracy (50/60 Hz)

Maximum

Allowable

Current

3 mA 0.001 mA

30 mA 0.01 mA 1% + 5

30 A 0.01 A

60 A 0.1 A

0 to 50 A: 1 % + 5

50 to 60 A: 5 % + 5

60 A rms

Zero correction: Fractions smaller than approximately 0.01 mA

are calibrated to zero.

Contacting Fluke

To contact Fluke, call one of the following telephone numbers:

USA: 1-888-44-FLUKE (1-888-443-5853)

Canada: 1-800-36-FLUKE (1-800-363-5853)

Europe: +31 402-675-200

Japan: +81-3-3434-0181

Singapore: +65-738-5655

Anywhere in the world: +1-425-446-5500

USA Service: 1-888-99-FLUKE (1-888-993-5853)

Or, visit Fluke'sWeb site at www.fluke.com.

To register yourproduct, visit register.fluke.com

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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