FLIR Extech Instruments MA410 Manual de usuario

MA410 V2.2 08/08

Introduction

Congratulations on your purchase of this Extech MA410 Clamp Meter. This meter measures

AC Current, AC/DC Voltage, Resistance, Capacitance, Frequency, Diode Test, Duty Cycle

and Continuity. Special features include Thermocouple Temperature and Non-Contact

Voltage detection. The double molded case is designed for heavy duty use. This meter is

shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

Safety

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

This WARNING symbol indicates a potentially hazardous situation, which

if not avoided, could result in death or serious injury.

This CAUTION symbol indicates a potentially hazardous situation, which

if not avoided, may result damage to the product.

PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY

OVERVOLTAGE CATEGORY I

Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in

which measures are taken to limit the transient overvoltages to an appropriate low level.

Note – Examples include protected electronic circuits.

OVERVOLTAGE CATEGORY II

Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be

supplied from the fixed installation.

Note – Examples include household, office, and laboratory appliances.

OVERVOLTAGE CATEGORY III

Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.

Note – Examples include switches in the fixed installation and some equipment for industrial

use with permanent connection to the fixed installation.

OVERVOLTAGE CATEGORY IV

Equipment of OVERVOLTAGE CATEGORY IV is for use at the origin of the installation.

Note – Examples include electricity meters and primary over-current protection equipment

WARNING

CAUTION

MA410 V2.2 08/08

SAFETY NOTES

•Do not exceed the maximum allowable input range of any function.

•Do not apply voltage to meter when resistance function is selected.

•Set the function switch OFF when the meter is not in use.

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

WARNINGS

•Set function switch to the appropriate position before measuring.

•When measuring volts do not switch to current/resistance modes.

•Do not measure current on a circuit whose voltage exceeds 600V.

•When changing ranges always disconnect the test leads from the circuit under test.

CAUTIONS

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

understand this user manual before operating the meter.

•Always remove the test leads before replacing the battery or fuses.

•Inspect the condition of the test leads 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 25VAC

rms or 35VDC. These voltages are considered a shock hazard.

•Always discharge capacitors and remove power from the device under test before

performing Diode, Resistance or Continuity tests.

•Voltage checks on electrical outlets can be difficult and misleading because of the

uncertainty of connection to the recessed electrical contacts. Other means should be

used to ensure that the terminals are not "live".

•If the equipment is used in a manner not specified by the manufacturer, the protection

provided by the equipment may be impaired.

Function Maximum Input

A AC, 400A

V DC, V AC 600V DC/AC

Resistance, Capacitance, Frequency, Diode

Test, Continuity, Temperature 250V DC/AC

MA410 V2.2 08/08

Description

Meter Description

1. Current clamp

2. NCV LED indicator

3. Clamp opening trigger

4. MODE button

5. HZ/% button

6. LCD Display

7. Negative input jack

8. Non-Contact Voltage Detector

9. HOLD button

10. Function switch

11. Relative Button

12. Battery compartment (rear)

13. Positive input jack

Display icons Description

HOLD Data Hold

AUTO Autoranging

DC Direct Current

AC Alternating Current

Low battery

REL Relative

V Volts (Voltage)

ΩOhms (Resistance)

A Amperes (Current)

F Farad (Capacitance)

Hz Hertz (Frequency)

% Duty Ratio

oF and oC Fahrenheit and Celsius units (Temperature)

n, m, μ, M, k Unit of measure prefixes: nano, milli, micro, mega, and kilo

•))) Continuity test

Diode test

MA410 V2.2 08/08

AC/DC Voltage, Frequency, Duty Cycle Measurements

CAUTION: Do not measure voltages if a motor on the circuit is being switched ON or

OFF. Large voltage surges may occur that can damage the meter.

1. Rotate the function switch to the V position.

2. Press the MODE button to select AC or DC Voltage.

3. Insert the black test lead banana plug into the negative COM jack.

Insert the red test lead banana plug into the positive Vjack.

4. Touch the black test probe tip to the negative side of the circuit.

Touch the red test probe tip to the positive side of the circuit.

5. Read the voltage value in the display.

6. Press the Hz % button to display Frequency

7. Press the Hz % button to display Duty Cycle

Resistance, Diode, Continuity Measurements

Note: Remove power from the device under test before making resistance measurements

1. Set the function switch to the Ω position.

2. Insert the black test lead banana plug into the negative COM jack.

Insert the red test lead banana plug into the positive Vjack.

3. Touch the black test probe tip to one side of the device.

Touch the red test probe tip to the other side of the device.

4. Read the resistance value in the display.

5. Press the MODE button to select the DIODE mode. The Diode

symbol will appear in the display.

6. Press the MODE button to select the Continuity mode. The

continuity symbol will appear in the display. If the resistance is <150

ohms the tone will sound.

MA410 V2.2 08/08

Data Hold

To freeze the LCD reading, press the HOLD button. The HOLD icon appears on the LCD.

Press the HOLD button again to return to normal operation.

Relative

Press the REL button (REL will appear in the display) to zero the reading and create a

reference point. All future reading will be the difference between the actual reading and the

stored “REL” reading. In the REL mode, autoranging is disabled and measurements are

limited to the range active when the REL button was pressed. Press the REL button to exit

the mode.

Note: Relative does not function in Frequency or Duty Cycle mode.

Automatic Power Off

In order to conserve battery life, the meter will automatically turn off after approximately 30

minutes. To turn the meter on again, change the position of the function switch.

Low battery indication

When the icon appears in the display, the battery should be replaced. Refer to the

battery replacement procedure in the maintenance section.

MA410 V2.2 08/08

Maintenance

WARNING: To avoid electrical shock, disconnect the meter from any circuit, remove the

test leads from the input terminals, and turn OFF the meter before opening the case. Do

not operate the meter with an open case.

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.

Battery Replacement

1. Remove the 2 Phillips head screws that secures the rear battery cover

2. Open the battery compartment

3. Replace the 2 AAA batteries.

4. Secure the battery compartment door

Calibration and Repair Services

Extech offers repair and calibration services for the products we sell. Extech also

provides NIST certification for most products. Call the Customer Care Department for

information on calibration services available for this product. Extech recommends that

annual calibrations be performed to verify meter performance and accuracy.

Warranty

EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to be

free of defects in parts and workmanship for one year from date of shipment (a six month limited

warranty applies to sensors and cables). If it should become necessary to return the instrument for

service during or beyond the warranty period, contact the Customer Service Department at (781)

890-7440 ext. 210 for authorization or visit our website www.extech.com for contact information. A

Return Authorization (RA) number must be issued before any product is returned to Extech. The

sender is responsible for shipping charges, freight, insurance and proper packaging to prevent

damage in transit. This warranty does not apply to defects resulting from action of the user such as

misuse, improper wiring, operation outside of specification, improper maintenance or repair, or

unauthorized modification. Extech specifically disclaims any implied warranties or merchantability

or fitness for a specific purpose and will not be liable for any direct, indirect, incidental or

consequential damages. Extech's total liability is limited to repair or replacement of the product.

The warranty set forth above is inclusive and no other warranty, whether written or oral, is

expressed or implied.

MA410 V2.2 08/08

Specifications

Function Range Resolution Accuracy

(% of reading + digits)

40.00 AAC 0.01A ±(2.5% + 8 digits)AC Current

50/60Hz 400.0 AAC 0.1A ±(2.8% + 8 digits)

4.000 VAC 0.001V

40.00 VAC 0.01V

400.0 VAC 0.1V

±(1.8% + 8 digits)

AC Voltage

50 to 400Hz

600 VAC 1V ±(2.5% + 8 digits)

400.0 mVDC 0.1mV ±(0.8% + 2 digits)

4.000 VDC 0.001V

40.00 VDC 0.01V

400.0 VDC 0.1V

±(1.5% + 2 digits)

DC Voltage

600 VDC 1V ±(2.0% + 2 digits)

400.0Ω0.1Ω±(1.0% + 4 digits)

4.000kΩ0.001kΩ

40.00kΩ0.01kΩ

400.0kΩ0.1kΩ

±(1.5% + 2 digits)

4.000MΩ0.001MΩ±(2.5% + 3 digits)

Resistance

40.00MΩ0.01MΩ±(3.5% + 5 digits)

40.00nF 0.01nF ±(4.0% + 20 digits)

400.0nF 0.1nF

40.00µF 0.01µF

Capacitance

100.0µF 0.1µF

±(3.0% + 5 digits)

10 to 10kHz 0.01Hz ±(1.5% + 2 digits)Frequency

Sensitivity: 15V rms

0.5% to 99.0% 0.1% ±(1.2% + 2 digits)Duty Cycle

Pulse width: 100μs to 100ms, Frequency: 10Hz to 10kHz

-4.0 to 1400°F

-20 to 760°C 0.1° <400°

1° >400° ±(3% + 9°F/5°C)

Temperature

Type K

Specification does not include probe accuracy. Range of supplied probe

is -4 to 482°F (-20 to 250°C).

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