Tenma 72-14435 User manual

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Flexible AC Current Clamp meter

Part Number: 72-14435

User Manual

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1. Introduction

Congratulations on your purchase of the True RMS Rexible AC Current Clamp meter.

The Trua RMS AC/DC Current Clamp meter features:

• Auto Power OFF

• Data Hold

• MAXIMIN

• Backm LCD display

2. Safety

2-1. International Safety Symbols

This symbol, adjacent to another symbol or terminal, Indicates the user must refer to the manual for further information.

This symbol, adjacent to a terminal, indicates that, under normal use, hazardous voltages may be present

Double Insulation

2-2. Safety Notes

Do not exceed the maximum allowable input range of any fun<:tion.

Do not use when Instrument power is off.

Remove the battery if meter is to be stored for longer than 60 days.

Table of Contents

1. Introduction..............................................................................................2

2. Safety.........................................................................................................2

3. Description................................................................................................3

4. Display Icons Description........................................................................3

5. Specications............................................................................................3

6. General Specications.............................................................................4

7. Operation...................................................................................................4

8. Maintenance..............................................................................................5

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2-3. Cautions

• Improper use of this meter can cause damage, shock, injury or death. Read and understand this user manual before

operating the meter.

• Inspect the condition of the test coil and the meter itself for any damage before operating the meter. Repair or replace any

damage before use.

• Use great care when making measurements if the voltages are greater than 25V ACRMS or 35V DC. These voltages are

considered a shock hazard.

• Iftheequipmentisusedinamannernotspeciedbythemanufacture,theprotectionprovidedbytheequipmentmaybe

Impaired.

• Do not operate meter while Low Battery warning is on. Replace batteries immediately.

3. Description

Malar Description

1. Flexible current coil

2. LCD display

3. MAX/MIN button

4. Power button

5. Data Hold/Backlight button

6. Turn knob

4. Display Icons Description

Data Hold

Measurement display digits

Alternating Current

Amperes

Maximum

Minimum

Low Battery

Auto power off

5. Specications

Function Range Resolution Accuracy

(% of reading + digits)

AC Current

50-400Hz

True RMS

30.00A AC 0.01A ±(3.0% + 8d)

300.0A AC 0.1A ±(3.0% + 5d)

3000A AC 1A ±(3.0% + 5d)

Note:AccuracyIsgivenas±(%ofreading+countsofleastsignicantdigit)at23°C±5°C,withrelativehumiditylessthan

80%RH. The measured conductor is placed In the centre of the coil.

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6. General Specications

Display : 3000 counts backlit LCD

Low Battery Indication : “ ” is displayed

Over-range Indication : “OL” display

OperatingTemperature :41°Fto104°F(5°Cto40°C)

StorageTemperature :-4°Fto140°F(-20°Cto60°C)

OperatingHumidity :Max80%upto87°F(31°C)decreasinglinearlyto50%at104°F(40°C)

Storage Humidly : <80%

Operating Altitude : 7000ft. (2000 meters) maximum.

Battery : 1.5V “AAA” Size Battery × 2

Auto power Off : After approx. 15 minutes

Safely Standard : EN61010-1, EN61010-2-032, EN61326-1. Over voltage Category Ill 1000V and Category IV

600V, Pollution Degree 2.

7. Operation

7-1. AC Current Measurements

Opentheexiblecoil,loopitaroundthecablebeingmeasured,lockinplaceandpowerthemeteron.

Foraccuratemeasurementsplacethecableinthecentreoftheexiblecoil.

The results will then be displayed on the LCD screen.

7-2. Power button

Short press the power button to boot, long press the power button to shut down.

7-3. MAX/MIN Button

• Press the MAX/MIN button to activate the MAX/MIN mode. The “MAX” Indicator will appear on the LCD display along with

the highest reading. The display will update every time a higher “MAX” occurs.

• Momentarily press the MAX/MIN button again to view the lowest reading. The “MIN” Indicator will appear on the LCD

display along with the lowest reading.

The display will update every time a lower reading occurs.

• Press and hold the MAX/MIN button to end MAX/MIN and return to normal operation.

7-4. Data Hold/Backlight Button

Press this button, the measured AC current value will be displayed on the LCD screen then press again to cancel.

Keep this button pressed in to turn on the backlight, press the button again to turn off the backlight

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7-5. Automatic Power OFF

In order to save power, the instrument without any key operation, automatic shutdown after about 15 minutes. After the shut-

down to press the power button once again open the instrument

8. Maintenance

8-1. Cleaning and Storage

Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents. If the meter is not to be

used for 60 days or more, remove the battery and store it separately.

8-2. Battery Replacement

• Remove the Phillips head screw that secures the rear battery door.

• Open the battery compartment

• Replace two AAA batteries.

• Secure the battery compartment.

Important Notice : This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted

for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change

without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any

error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any

assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the

Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence.